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Panasonic : S-26PU1U6 Technical Data & Service Manual

Summary of : S-26PU1U6

  • Page 1

    85464849303004 reference no . Sm830203-04 technical data & service manual model no. Outdoor units remarks remarks 42 36 26 42 36 26 type type u single u-26pe1u6 u-36pe1u6 u-42pe1u6 cooling/heating u-26ps1u6 u-36ps1u6 u-42ps1u6 cooling indoor units nominal capacity nominal capacity indoor units type ...

  • Page 2

    I ii ii important! Please read before starting this air conditioning system meets strict safety and operating standards. As the installer or service person, it is an important part of your job to install or service the system so it operates safely and effi ciently. For safe installation and trouble-...

  • Page 3

    I ii important! Please read before starting this air conditioning system meets strict safety and operating standards. As the installer or service person, it is an important part of your job to install or service the system so it operates safely and effi ciently. For safe installation and trouble-fre...

  • Page 4

    Iii iv precautions for installation using new refrigerant 1. Care regarding tubing 1-1. Process tubing material: use c1220 phosphorous deoxidized copper specified in jis h3300 “copper and copper alloy seamless pipes and tubes.” tubing size: be sure to use the sizes indicated in the table below. Use ...

  • Page 5

    Iii iv precautions for installation using new refrigerant 1. Care regarding tubing 1-1. Process tubing material: use c1220 phosphorous deoxidized copper specified in jis h3300 “copper and copper alloy seamless pipes and tubes.” tubing size: be sure to use the sizes indicated in the table below. Use ...

  • Page 6: Contents

    V vi section 1: specifications .....................................................................................................1-1 1-1. Unit specifications .............................................................................................. 1-2 1-2. Major component specifications .......

  • Page 7

    V vi section 6: test run .................................................................................................................6-1 6-1. Preparing for test run ........................................................................................6-2 6-2. Caution ............................

  • Page 8: — Memo —

    Vii — memo — sm830203-04.Indb 8 15/10/13 17:18:01.

  • Page 9: 1.  Specifications

    1-1 1. Specifications 1-1. Unit specifications.................................................................................................... 1-2. 1-29 1-2 major component specifications .......................................................................... 1-100 1-3. 1-53 other component s...

  • Page 10

    1-3 1-2 1. Specifications 1-1. Unit specifications concealed duct (type f2) indoor model s-26pf2u6 panel model - - outdoor model u-26pe1u6 branch pipe model - performance test condition ari standard 210/240 power supply ph, hz 1ph, 60hz 1ph, 60hz v 208 230 - 208 230 - min max c o o l i n g capacity ...

  • Page 11

    1-3 1-2 1. Specifications 1-1. Unit specifications concealed duct (type f2) indoor model s-36pf2u6 panel model - - outdoor model u-36pe1u6 branch pipe model - performance test condition ari standard 210/240 power supply ph, hz 1ph, 60hz 1ph, 60hz v 208 230 - 208 230 - min max c o o l i n g capacity ...

  • Page 12

    1-5 1-4 1. Specifications 1-1. Unit specifications 4-way cassette (type u1) cooling: rating conditions (*) : room temperature 80 °f db / 67 °f wb, ambient temperature 95 °f db / 75 °f wb heating: rating conditions (*) : room temperature 70 °f db / 60 °f wb, ambient temperature 47 °f db / 43 °f wb lo...

  • Page 13

    1-5 1-4 1. Specifications 1-1. Unit specifications 4-way cassette (type u1) cooling: rating conditions (*) : room temperature 80 °f db / 67 °f wb, ambient temperature 95 °f db / 75 °f wb heating: rating conditions (*) : room temperature 70 °f db / 60 °f wb, ambient temperature 47 °f db / 43 °f wb lo...

  • Page 14

    1-7 1-6 1. Specifications 1-1. Unit specifications 4-way cassette (type u1) cooling: rating conditions (*) : room temperature 80 °f db / 67 °f wb, ambient temperature 95 °f db / 75 °f wb heating: rating conditions (*) : room temperature 70 °f db / 60 °f wb, ambient temperature 47 °f db / 43 °f wb lo...

  • Page 15

    1-7 1-6 1. Specifications 1-1. Unit specifications 4-way cassette (type u1) cooling: rating conditions (*) : room temperature 80 °f db / 67 °f wb, ambient temperature 95 °f db / 75 °f wb heating: rating conditions (*) : room temperature 70 °f db / 60 °f wb, ambient temperature 47 °f db / 43 °f wb lo...

  • Page 16

    1-9 1-8 1. Specifications 1-1. Unit specifications 4-way cassette (type u1) cooling: rating conditions (*) : room temperature 80 °f db / 67 °f wb, ambient temperature 95 °f db / 75 °f wb heating: rating conditions (*) : room temperature 70 °f db / 60 °f wb, ambient temperature 47 °f db / 43 °f wb lo...

  • Page 17

    1-9 1-8 1. Specifications 1-1. Unit specifications 4-way cassette (type u1) cooling: rating conditions (*) : room temperature 80 °f db / 67 °f wb, ambient temperature 95 °f db / 75 °f wb heating: rating conditions (*) : room temperature 70 °f db / 60 °f wb, ambient temperature 47 °f db / 43 °f wb lo...

  • Page 18

    1-11 1-10 1. Specifications 1-1. Unit specifications wall mounted (type k1) cooling: rating conditions (*) : room temperature 80 °f db / 67 °f wb, ambient temperature 95 °f db / 75 °f wb heating: rating conditions (*) : room temperature 70 °f db / 60 °f wb, ambient temperature 47 °f db / 43 °f wb lo...

  • Page 19

    1-11 1-10 1. Specifications 1-1. Unit specifications wall mounted (type k1) cooling: rating conditions (*) : room temperature 80 °f db / 67 °f wb, ambient temperature 95 °f db / 75 °f wb heating: rating conditions (*) : room temperature 70 °f db / 60 °f wb, ambient temperature 47 °f db / 43 °f wb lo...

  • Page 20

    1-13 1-12 1. Specifications 1-1. Unit specifications ceiling (type t1) s-26pt1u6 ti n u r o o d n i u-26pe1u6 ti n u r o o d t u o power source 230 - 208v / 1 phase / 60hz performance cooling heating capacity * [minimum~muximum] btu / h 24,400 [9,500~24,400] 30,800 [8,000~30,800] 0 0 9 , 7 1 h / u t...

  • Page 21

    1-13 1-12 1. Specifications 1-1. Unit specifications ceiling (type t1) s-36pt1u6 ti n u r o o d n i u-36pe1u6 ti n u r o o d t u o power source 230 - 208v / 1 phase / 60hz performance cooling heating capacity * [minimum~muximum] btu / h 31,200 [9,500~31,200] 37,400 [8,000~37,400] 0 0 0 , 1 2 h / u t...

  • Page 22

    1-15 1-14 1. Specifications 1-1. Unit specifications ceiling (type t1) s-42pt1u6 ti n u r o o d n i u-42pe1u6 ti n u r o o d t u o power source 230 - 208v / 1 phase / 60hz performance cooling heating capacity * [minimum~muximum] btu / h 39,000 [9,500~39,000] 44,500 [8,000~44,500] 0 0 8 , 8 2 h / u t...

  • Page 23

    1-15 1-14 1. Specifications 1-1. Unit specifications ceiling (type t1) s-26pt1u6 ti n u r o o d n i u-26ps1u6 ti n u r o o d t u o power source 230 - 208v / 1 phase / 60hz performance cooling capacity * [minimum~muximum] btu / h 24,400 [9,500~24,400] (17˚f)** btu / h 7 . 7 h / s t n i p ) h g i h ( ...

  • Page 24

    1-17 1-16 1. Specifications 1-1. Unit specifications ceiling (type t1) s-36pt1u6 ti n u r o o d n i u-36ps1u6 ti n u r o o d t u o power source 230 - 208v / 1 phase / 60hz performance cooling capacity * [minimum~muximum] btu / h 31,200 [9,500~31,200] (17˚f)** btu / h 0 . 0 1 h / s t n i p ) h g i h ...

  • Page 25

    1-17 1-16 1. Specifications 1-1. Unit specifications ceiling (type t1) s-42pt1u6 ti n u r o o d n i u-42ps1u6 ti n u r o o d t u o power source 230 - 208v / 1 phase / 60hz performance cooling capacity * [minimum~muximum] btu / h 39,000 [9,500~39,000] (17˚f)** btu / h 6 . 2 1 h / s t n i p ) h g i h ...

  • Page 26

    1-19 1-18 1. Specifications 1-1. Unit specifications low silhouette ducted (type f1) cooling: rating conditions (*) : room temperature 80 °f db / 67 °f wb, ambient temperature 95 °f db / 75 °f wb heating: rating conditions (*) : room temperature 70 °f db / 60 °f wb, ambient temperature 47 °f db / 43...

  • Page 27

    1-19 1-18 1. Specifications 1-1. Unit specifications low silhouette ducted (type f1) cooling: rating conditions (*) : room temperature 80 °f db / 67 °f wb, ambient temperature 95 °f db / 75 °f wb heating: rating conditions (*) : room temperature 70 °f db / 60 °f wb, ambient temperature 47 °f db / 43...

  • Page 28

    1-21 1-20 1. Specifications 1-1. Unit specifications low silhouette ducted (type f1) cooling: rating conditions (*) : room temperature 80 °f db / 67 °f wb, ambient temperature 95 °f db / 75 °f wb heating: rating conditions (*) : room temperature 70 °f db / 60 °f wb, ambient temperature 47 °f db / 43...

  • Page 29

    1-21 1-20 1. Specifications 1-1. Unit specifications low silhouette ducted (type f1) cooling: rating conditions (*) : room temperature 80 °f db / 67 °f wb, ambient temperature 95 °f db / 75 °f wb heating: rating conditions (*) : room temperature 70 °f db / 60 °f wb, ambient temperature 47 °f db / 43...

  • Page 30

    1-23 1-22 1. Specifications 1-1. Unit specifications 4-way cassette 36” × 36” (type u2) indoor model s-26pu2u6 panel model cz-36kpu3u - outdoor model u-26pe1u6 branch pipe model - performance test condition ari standard 210/240 power supply ph, hz 1ph, 60hz 1ph, 60hz v 208 230 - 208 230 - min max c ...

  • Page 31

    1-23 1-22 1. Specifications 1-1. Unit specifications 4-way cassette 36” × 36” (type u2) indoor model s-36pu2u6 panel model cz-36kpu3u - outdoor model u-36pe1u6 branch pipe model - performance test condition ari standard 210/240 power supply ph, hz 1ph, 60hz 1ph, 60hz v 208 230 - 208 230 - min max c ...

  • Page 32

    1-25 1-24 1. Specifications 1-1. Unit specifications 4-way cassette 36” × 36” (type u2) indoor model s-42pu2u6 panel model cz-36kpu3u - outdoor model u-42pe1u6 branch pipe model - performance test condition ari standard 210/240 power supply ph, hz 1ph, 60hz 1ph, 60hz v 208 230 - 208 230 - min max c ...

  • Page 33

    1-25 1-24 1. Specifications 1-1. Unit specifications wall mounted (type k2) indoor model s-26pk2u6 panel model - - outdoor model u-26pe1u6 branch pipe model - performance test condition ari standard 210/240 power supply ph, hz 1ph, 60hz 1ph, 60hz v 208 230 - 208 230 - min max c o o l i n g capacity ...

  • Page 34

    1-27 1-26 1. Specifications 1-1. Unit specifications ceiling (type t2) indoor model s-26pt2u6 panel model - - outdoor model u-26pe1u6 branch pipe model - performance test condition ari standard 210/240 power supply ph, hz 1ph, 60hz 1ph, 60hz v 208 230 - 208 230 - min max c o o l i n g capacity *1 kw...

  • Page 35

    1-27 1-26 1. Specifications 1-1. Unit specifications ceiling (type t2) indoor model s-36pt2u6 panel model - - outdoor model u-36pe1u6 branch pipe model - performance test condition ari standard 210/240 power supply ph, hz 1ph, 60hz 1ph, 60hz v 208 230 - 208 230 - min max c o o l i n g capacity *1 kw...

  • Page 36

    1-29 1-28 1. Specifications 1-1. Unit specifications ceiling (type t2) indoor model s-42pt2u6 panel model - - outdoor model u-42pe1u6 branch pipe model - performance test condition ari standard 210/240 power supply ph, hz 1ph, 60hz 1ph, 60hz v 208 230 - 208 230 - min max c o o l i n g capacity *1 kw...

  • Page 37

    1-29 1-28 1. Specifications 1-22 1-2. Major component specifications (a) indoor unit model no. S-26pf2u6 source 230 - 208 v / 1 phase / 60 hz controller p. C. B ass'y a73c8391 fan (number … diameter) in. (mm) fan motor model sic-70cw-d8120-4 source 325 vdc no. Of pole … r.P.M. (230 v, high) 8p ... 1...

  • Page 38

    1-31 1-30 1. Specifications 1-23 1-2. Major component specifications (a) indoor unit model no. S-36pf2u6 source 230 - 208 v / 1 phase / 60 hz controller p. C. B ass'y a73c8392 fan (number … diameter) in. (mm) fan motor model sic-101cw-d8200-2 source 325 vdc no. Of pole … r.P.M. (230 v, high) 8p ... ...

  • Page 39

    1-31 1-30 1. Specifications 1-2. Major component specifications (a) indoor unit model no. S-26pu1u6 source 230 - 208 vac / 1 phase / 60hz remote controller (supplied / optional) wired / wireless (see unit specifications) controller p. C. B ass'y cr-26pu1u6-p control circuit fuse 250 vac, 5 a fan (nu...

  • Page 40

    1-33 1-32 1. Specifications 1-2. Major component specifications (a) indoor unit model no. S-36pu1u6 source 230 - 208 vac / 1 phase / 60hz remote controller (supplied / optional) wired / wireless (see unit specifications) controller p. C. B ass'y cr-26pu1u6-p control circuit fuse 250 vac, 5 a fan (nu...

  • Page 41

    1-33 1-32 1. Specifications 1-2. Major component specifications (a) indoor unit model no. S-42pu1u6 source 230 - 208 vac / 1 phase / 60hz remote controller (supplied / optional) wired / wireless (see unit specifications) controller p. C. B ass'y cr-26pu1u6-p control circuit fuse 250 vac, 5 a fan (nu...

  • Page 42

    1-35 1-34 1. Specifications 1-2. Major component specifications (a) indoor unit model no. S-26pk1u6 source 230 - 208 vac / 1 phase / 60hz remote controller ( optional / supplied) wired / wireless (see unit specifications) controller p. C. B ass'y cb-kr254gxh56a a 5 , v 0 5 2 e s u f ti u c ri c l o ...

  • Page 43

    1-35 1-34 1. Specifications 1-2. Major component specifications (a) indoor unit model no. S-26pt1u6 source 230 - 208 vac / 1 phase / 60hz remote controller (supplied / optional) wired / wireless (see unit specification) controller p. C. B ass'y cr - th2672 control circuit fuse 250 v, 5 a fan (number...

  • Page 44

    1-37 1-36 1. Specifications 1-2. Major component specifications (a) indoor unit model no. S-36pt1u6 source 230 - 208 vac / 1 phase / 60hz remote controller (supplied / optional) wired / wireless (see unit specification) controller p. C. B ass'y cr - th2672 control circuit fuse 250 v, 5 a fan (number...

  • Page 45

    1-37 1-36 1. Specifications 1-2. Major component specifications (a) indoor unit model no. S-42pt1u6 source 230 - 208 vac / 1 phase / 60hz remote controller (supplied / optional) wired / wireless (see unit specification) controller p. C. B ass'y cr - th2672 control circuit fuse 250 v, 5 a fan (number...

  • Page 46

    1-39 1-38 1. Specifications 1-2. Major component specifications (a) indoor unit model no. S-26pf1u6 source 230 - 208 vac / 1 phase / 60hz remote controller (supplied / optional) wired / wireless (see unit specification) controller p. C. B ass'y cr - th2672 control circuit fuse 250 v, 5 a fan (number...

  • Page 47

    1-39 1-38 1. Specifications 1-2. Major component specifications (a) indoor unit model no. S-36pf1u6 source 230 - 208 vac / 1 phase / 60hz remote controller (supplied / optional) wired / wireless (see unit specification) controller p. C. B ass'y cr - th2672 control circuit fuse 250 v, 5 a fan (number...

  • Page 48

    1-41 1-40 1. Specifications 1-2. Major component specifications (a) indoor unit model no. S-26pu2u6 source 230 - 208 v / 1 phase / 60hz controller p. C. B ass'y fan (number … diameter) ) m m ( . N i fan motor model source m p r ) h g i h , v 0 3 2 ( . M . P .R … e l o p f o . O n 0 6 w t u p t u o l...

  • Page 49

    1-41 1-40 1. Specifications 1-2. Major component specifications (a) indoor unit model no. S-26pu2u6 source 230 - 208 v / 1 phase / 60hz controller p. C. B ass'y fan (number … diameter) ) m m ( . N i fan motor model source m p r ) h g i h , v 0 3 2 ( . M . P .R … e l o p f o . O n 0 6 w t u p t u o l...

  • Page 50

    1-43 1-42 1. Specifications 1-2. Major component specifications (a) indoor unit model no. S-42pu2u6 source 230 - 208 v / 1 phase / 60hz controller p. C. B ass'y fan (number … diameter) ) m m ( . N i fan motor model source m p r ) h g i h , v 0 3 2 ( . M . P .R … e l o p f o . O n 0 9 w t u p t u o l...

  • Page 51

    1-43 1-42 1. Specifications 1-2. Major component specifications (a) indoor unit model no. S-42pu2u6 source 230 - 208 v / 1 phase / 60hz controller p. C. B ass'y fan (number … diameter) ) m m ( . N i fan motor model source m p r ) h g i h , v 0 3 2 ( . M . P .R … e l o p f o . O n 0 9 w t u p t u o l...

  • Page 52

    1-45 1-44 1. Specifications 1-2. Major component specifications (a) indoor unit model no. S-26pt2u6 source 230 - 208 v / 1 phase / 60hz controller p. C. B ass'y fan (number … diameter) ) m m ( . N i fan motor model source m p r ) h g i h , v 0 3 2 ( . M . P .R … e l o p f o . O n 74 w t u p t u o l ...

  • Page 53

    1-45 1-44 1. Specifications 1-2. Major component specifications (a) indoor unit model no. S-26pt2u6 source 230 - 208 v / 1 phase / 60hz controller p. C. B ass'y fan (number … diameter) ) m m ( . N i fan motor model source m p r ) h g i h , v 0 3 2 ( . M . P .R … e l o p f o . O n 74 w t u p t u o l ...

  • Page 54

    1-47 1-46 1. Specifications 1-2. Major component specifications (a) indoor unit model no. S-42pt2u6 source 230 - 208 v / 1 phase / 60hz controller p. C. B ass'y fan (number … diameter) ) m m ( . N i fan motor model source m p r ) h g i h , v 0 3 2 ( . M . P .R … e l o p f o . O n 111 w t u p t u o l...

  • Page 55

    1-47 1-46 1. Specifications 1-2. Major component specifications (a) indoor unit model no. S-42pt2u6 source 230 - 208 v / 1 phase / 60hz controller p. C. B ass'y fan (number … diameter) ) m m ( . N i fan motor model source m p r ) h g i h , v 0 3 2 ( . M . P .R … e l o p f o . O n 111 w t u p t u o l...

  • Page 56

    1-49 1-48 1. Specifications 1-2. Major component specifications (b) outdoor unit model no. Source controller p.C.B. Ass'y control circuit fuse (on the p.C.B.“fil-ch4872r”) compressor model....Number w t u p t u o l a n i m o n gal. (cc) li o r o s s e r p m o c coil resistance Ω c – r : 0.665 r – s ...

  • Page 57

    1-49 1-48 1. Specifications 1-2. Major component specifications (b) outdoor unit model no. Source controller p.C.B. Ass'y compressor model....Number w t u p t u o l a n i m o n gal. (cc) li o r o s s e r p m o c coil resistance Ω c – r : 0.169 r – s :0.169 (ambient temperature 25 ° c ) c – s :0.169 ...

  • Page 58

    1-51 1-50 1. Specifications 1-2. Major component specifications (b) outdoor unit model no. Source controller p.C.B. Ass'y compressor model....Number w t u p t u o l a n i m o n gal. (cc) li o r o s s e r p m o c coil resistance Ω c – r : 0.665 r – s : 0.665 (ambient temperature 25 ° c ) c – s : 0.66...

  • Page 59

    1-51 1-50 1. Specifications 1-2. Major component specifications (b) outdoor unit model no. Source controller p.C.B. Ass'y compressor model....Number w t u p t u o l a n i m o n gal. (cc) li o r o s s e r p m o c c e c n a t s i s e r l i o c – r : 0.665 r – s : 0.665 (ambient temperature 25 ° c ) c ...

  • Page 60

    1-53 1-52 1. Specifications 1-2. Major component specifications (b) outdoor unit model no. Source controller p.C.B. Ass'y compressor model....Number w t u p t u o l a n i m o n gal. (cc) li o r o s s e r p m o c c e c n a t s i s e r l i o c – r : 0.169 r – s :0.169 (ambient temperature 25 ° c ) c –...

  • Page 61

    1-53 1-52 1. Specifications 1-3. Other component specifications outdoor unit u-26pe1u6, u-26ps1u6 . O n l e d o m thermistor (coil sensor) : th2 to 5 coil resistance k Ω 14 °f : 23.7 , 50 °f : 9.7 23 °f : 18.8 , 68 °f : 6.5 32 °f : 15.0 , 86 °f : 4.4 41 °f : 12.1 , 104 °f : 3.1 113 °f : 2.6 thermist...

  • Page 62

    1-55 1-54 1. Specifications 1-3. Other component specifications outdoor unit u-36pe1u6, u-36ps1u6 . O n l e d o m thermistor (coil sensor) : th2 to 5 coil resistance k Ω 14 °f : 23.7 , 50 °f : 9.7 23 °f : 18.8 , 68 °f : 6.5 32 °f : 15.0 , 86 °f : 4.4 41 °f : 12.1 , 104 °f : 3.1 113 °f : 2.6 thermist...

  • Page 63

    1-55 1-54 1. Specifications u-42pe1u6, u-42ps1u6 . O n l e d o m thermistor (coil sensor) : th2 to 5 coil resistance k Ω 14 °f : 23.7 , 50 °f : 9.7 23 °f : 18.8 , 68 °f : 6.5 32 °f : 15.0 , 86 °f : 4.4 41 °f : 12.1 , 104 °f : 3.1 113 °f : 2.6 thermistor (comp. Discharge gas sensor) : th6 coil resist...

  • Page 64

    1-57 1-56 1. Specifications 1-4. Dimensional data indoor unit : concealed duct (type f2) 7-21/64 (186 ) 1-1/16 (27) 6-49/64 (172) 11-1/32 (280 ) g h 25-3/64 (636) c 5-29/32 (150) 1-5/16 (33.4) d d 2-1/8 (54) e f -ø1/8 (ø3) e b a 1-5/16 (33.4) 6-1/16 (154) 27-9/1 6 (700 ) 1-3/16 (30) 11-7/16 10-3/64 ...

  • Page 65

    1-57 1-56 1. Specifications 1-4. Dimensional data indoor unit : 4-way cassette (type u1) type 26 33-27/32 3-15/16 30-9/16 19-11/16 19-11/16 12-1/8 1-3/16 4-7/8 15/32 15/32 1-7/8 33-27/32 32-9/32 (ceiling opening) grille center 29-13/16 (suspention bolt pitch) 14-1/2 1 air intake grille air outlet re...

  • Page 66

    1-59 1-58 1. Specifications 1-4. Dimensional data indoor unit : 4-way cassette (type u1) type 36, 42 45-9/32 41-31/32 31-3/32 19-11/16 13-5/16 1-3/16 4-7/8 15/32 15/32 1-7/8 33-27/32 32-9/32 (ceiling opening) grille center 29-13/16 (suspention bolt pitch) 20-3/1 61 air intake grille air outlet refri...

  • Page 67

    1-59 1-58 1. Specifications 1-4. Dimensional data dimension : inch refrigerant liquid line (3/8") flare connection refrigerant gas line (5/8") flare connection drain hose od 45/64 drain and wiring port (3-5/32) indoor unit : wall mounted (type k1) 1 sm830203-04.Indb 59 15/10/16 10:44:38.

  • Page 68

    1-61 1-60 1. Specifications 1-4. Dimensional data indoor unit : ceiling (type t1) type 26 drain connection drain connection for left side refrigerant liquid line (3/8") flare connection refrigerant gas line (5/8") flare connection hole for rear side refrigerant tubing hole for through-the-wall refri...

  • Page 69

    1-61 1-60 1. Specifications 1-4. Dimensional data indoor unit : ceiling (type t1) type 36, 42 drain connection drain connection for left side refrigerant liquid line (3/8") flare connection refrigerant gas line (5/8") flare connection hole for rear side refrigerant tubing hole for through-the-wall r...

  • Page 70

    1-63 1-62 1. Specifications 1-4. Dimensional data indoor unit : low silhouette ducted (type f1) type 26 refrigerant liquid line (3/8") flare connection refrigerant gas line (5/8") flare connection upper drain port (o.D. 1-1/4) bottom drain port (o.D. 1-1/32) suspension lug power supply inlet (condui...

  • Page 71

    1-63 1-62 1. Specifications 1-4. Dimensional data indoor unit : low silhouette ducted (type f1) type 36 refrigerant liquid line (3/8") flare connection refrigerant gas line (5/8") flare connection upper drain port (o.D. 1-1/4) bottom drain port (o.D. 1-1/32) suspension lug power supply inlet (condui...

  • Page 72

    1-65 1-64 1. Specifications 23/32 1-7/32 f g h g f 11/32 e d b (o.D.) a (hole) c-ø1/8 (hole) 1/4 (hole) 12-1/32 10-1/4 (o.D.) 29/32 7-7/8 1-25/32 5/16 1-25/32 31/32 13/32 2118_u_i 2-ø1/8 13/32 31/32 8-9/32 31/32 a b c* * ø 1/8 number of holes d e f g h i type 26 39-9/32 37-7/8 5 7-3/32 5 × 7-3/32 = ...

  • Page 73

    1-65 1-64 1. Specifications preparation for suspending this unit uses a drain pump. Use a carpenter’s level to check that the unit is level. Suspending the indoor unit fix the suspension bolts securely in the ceiling using the method shown in the diagrams by attaching them to the ceiling support str...

  • Page 74

    1-67 1-66 1. Specifications refrigerant tubing • drain hose position unit opening position (refrigerant tubing • drain hose • power inlet port • remote control wiring inlet port) required minimum space for installation and service dimensions of suspension bolt pitch and unit length type a b c 26 inc...

  • Page 75

    1-67 1-66 1. Specifications refrigerant tubing • drain hose position unit opening position (refrigerant tubing • drain hose • power inlet port • remote control wiring inlet port) required minimum space for installation and service dimensions of suspension bolt pitch and unit length type a b c 26 inc...

  • Page 76

    1-69 1-68 1. Specifications 1-4. Dimensional data outdoor unit: u-26pe1u6, u-26ps1u6 u-36pe1u6, u-36ps1u6 1 sm830203-04.Indb 68 15/10/16 10:44:41.

  • Page 77

    1-69 1-68 1. Specifications 1-4. Dimensional data outdoor unit: u-42pe1u6, u-42ps1u6 1 sm830203-04.Indb 69 15/10/16 10:44:41.

  • Page 78

    1-71 1-70 1. Specifications 1-5. Refrigerant flow diagram outdoor unit : u-26pe1u6, u-26ps1u6 indoor unit : type 26, 30, 36 u-36pe1u6, u-36ps1u6 1. Specifications 1-5 refrigerant flow diagram outdoor unit : u-26pe1u6, u-26ps1u6 indoor unit : 26, 30, 36 types u-36pe1u6, u-36ps1u6 Ø5/8 in. (Ø15.88) Ø3...

  • Page 79

    1-71 1-70 1. Specifications 1-5. Refrigerant flow diagram outdoor unit: u-42pe1u6, u-42ps1u6 indoor unit: type 42 1-6. Operating range temperature indoor air intake outdoor air intake cooling maximum 90 °f db / 77 °f wb 115 °f db minimum 64 °f db / 57 °f wb 14 °f db heating maximum 86 °f db 64 °f wb...

  • Page 80

    1-73 1-72 1. Specifications 1-7. Capacity correction graph according to temperature condition u-26pe1u6, u-26ps1u6 u-36pe1u6, u-36ps1u6 u-42pe1u6, u-42ps1u6 1-8. Noise criterion curves concealed duct (type f2) model : s-26pf2u6 sound level : high 35 db(a), nc 29/ low 26 db(a), nc 20 condition : 4.9 ...

  • Page 81

    1-73 1-72 1. Specifications 1-8. Noise criterion curves concealed duct (type f2) model : s-26pf2u6 sound level : high 35 db(a), nc 29/ low 26 db(a), nc 20 condition : 4.9 ft. Directly below unit source : 208-230v,1phase,60hz octave band sound pressure level, db (0 db = 0.0002 bar ) octave band sound...

  • Page 82

    1-75 1-74 1. Specifications 1-8. Noise criterion curves 4-way cassette (type u1) model : s-26pu1u6 sound level : high 38 db(a), nc 31 low 31 db(a), nc 23 condition : 4.9 ft. Directly below unit source : 208 - 230 v, 1 phase, 60 hz model : s-42pu1u6 sound level : high 45 db(a), nc 38 low 34 db(a), nc...

  • Page 83

    1-75 1-74 1. Specifications 1-8. Noise criterion curves wall mounted (type k1) source : 208 - 230 v, 1 phase, 60 hz condition : distance 3.3 ft., under the unit 3.3 ft. S-26pk1u6 1 sm830203-04.Indb 75 15/10/16 10:44:43.

  • Page 84

    1-77 1-76 1. Specifications 1-8. Noise criterion curves ceiling (type t1) model : s-26pt1u6 sound level : high 40 db(a), nc 34 low 36 db(a), nc 26 condition : distance 3.3 ft., under the unit 3.3 ft. Source : 208 - 230 v, 1 phase, 60 hz 60 50 40 30 20 10 octave band sound pressure level, db (0 db = ...

  • Page 85

    1-77 1-76 1. Specifications 1-8. Noise criterion curves low silhouette ducted (type f1) model : s-26pf1u6 sound level : high 34 db(a), nc 22 / low 27 db(a), nc 18 condition : 4.9 ft. Directly below unit source : 208 - 230 v, 1 phase, 60 hz 1761_u_i 60 50 40 30 20 10 approximate threshold of hearing ...

  • Page 86

    1-79 1-78 1. Specifications 1-8. Noise criterion curves 4-way cassette 36” × 36” (type u2) remarks: note 1. Value obtained in the actual place where the unit is installed may be slightly higher than the values shown in this graph because of the conditions of operation, the structure of the building,...

  • Page 87

    1-79 1-78 1. Specifications 1-8. Noise criterion curves wall mounted (type k2) low high model sound level condition source : s-26pk2u6 : high low 48 db(a) 38 db(a) : distance 3.3 ft., under the unit 3.3 ft. : 208-230v, 1 phase, 60hz 60lqge frequency at center of sound pressure band (hz) 63 125 250 5...

  • Page 88

    1-81 1-80 1. Specifications 1-8. Noise criterion curves ceiling (type t2) model high low sound level condition : s-26pt2u6 : high 39 db(a) low 31 db(a) : 3.3 ft. From front of outlet at height of 3.3 ft. Source : 208-230v, 1 phase, 60hz approximate minimum audible limit for continuous noise frequenc...

  • Page 89

    1-81 1-80 1. Specifications 1-8. Noise criterion curves outdoor units remarks: 1. Value obtained in the actual place where the unit is installed may be slightly higher than the values shown in this graph because of the conditions of operation, the structure of the building, the background noise and ...

  • Page 90

    1-83 1-82 1. Specifications 1-9. Increasing the fan speed jumper cable jumper cable electrical component box (at shipment) (jumper cable installed) 2159_m_i fan motor socket fan motor 900 air flow (cfm) external static pressure 0 50 0 0.1 0.2 0.3 0.4 0.5 150 700 500 300 limit line l 100 1982_u_i h h...

  • Page 91

    1-83 1-82 1. Specifications 1-10. External static pressure setting concealed duct (type f2) for concealed duct type indoor units, the ventilating resistance so-called “external static pressure” becomes greatly different depending on the connected duct length, shape, number of air outlet ports and ty...

  • Page 92

    1-85 1-84 1. Specifications 1. Specifications note (1) 1) 2) 3) check to make sure that the electrical wiring and ducting have been completed. Activate the stand-by mode. In particular, make sure that the closed damper located in the middle of the duct is open, if installed. Also, make sure that air...

  • Page 93

    1-85 1-84 1. Specifications 1. Specifications note (1) 1) 2) 3) check to make sure that the electrical wiring and ducting have been completed. Activate the stand-by mode. In particular, make sure that the closed damper located in the middle of the duct is open, if installed. Also, make sure that air...

  • Page 94

    1-87 1-86 1. Specifications controller (cz-rtc3 / cz-rtc5) how to set the external static pressure 1. Keep pressing the , and buttons simultaneously for 4 or more seconds. The “maintenance func” screen appears on the lcd display. Maintenance func 1. Outdoor unit error data 2. Service contact 3. Rc s...

  • Page 95

    1-87 1-86 1. Specifications controller (cz-rtc3 / cz-rtc5) how to set the external static pressure 1. Keep pressing the , and buttons simultaneously for 4 or more seconds. The “maintenance func” screen appears on the lcd display. Maintenance func 1. Outdoor unit error data 2. Service contact 3. Rc s...

  • Page 96

    1-89 1-88 1. Specifications indoor fan performance 15 cooling tap 14 13 12 11 8 6 5 3 1 1 -2 1 -3 h h m m m l l l l l l l l l l l l m m m m m m m m m m m m m l l h h h h h h h h h h h h h h h h h h m l l l l m l l m m heating cooling heating cooling heating cooling heating cooling heating cooling he...

  • Page 97

    1-89 1-88 1. Specifications indoor fan performance 15 cooling tap 14 13 12 11 8 6 5 3 1 1 -2 1 -3 h h m m m l l l l l l l l l l l l m m m m m m m m m m m m m l l h h h h h h h h h h h h h h h h h h m l l l l m l l m m heating cooling heating cooling heating cooling heating cooling heating cooling he...

  • Page 98

    1-91 1-90 1. Specifications 1-11. Air throw distance chart wall mounted (type k1) cooling - - - - - heating fan speed high high room air temp. 80 °f 70 °f flap angle 0 °, 22.5°, 45° 45 °, 67.5° axis air velocity (ft./sec.) vertical distance (ft.) horizontal distance (ft.) 10 13 5 0 type 26 1 sm83020...

  • Page 99

    1-91 1-90 1. Specifications 1-11. Air throw distance chart ceiling (type t1) type 26 0 3 7 10 13 17 20 23 26 29 33 0 3 7 10 13 17 horizontal distance (ft.) axis air velocity (ft./sec) ver tical dist ance (ft.) 2115_t_i axis air velocity type 36 2116_t_i axis air velocity 0 3 7 10 13 17 20 23 26 29 3...

  • Page 100

    1-93 1-92 1. Specifications 197 118 79 39 39 79 118 157 197 0 157 horizontal air flow distance (in.) heating : distribution of wind velocity heating : distribution of temperature 0 39 79 118 0 39 79 118 0 39 79 118 0 39 79 118 0 39 79 118 197 118 79 39 39 79 118 157 197 0 157 39 79 118 197 118 79 39...

  • Page 101

    1-93 1-92 1. Specifications horizontal air flow distance (in.) heating : distribution of wind velocity heating : distribution of temperature horizontal air flow distance (in.) (strong wind : discharge angle approx.65 ) (room temperature approx.70°f) (strong wind : discharge angle approx.65 ) (room t...

  • Page 102

    1-95 1-94 1. Specifications vertical air flow distance (in. ) vertical air flow distance (in. ) vertical air flow distance (in. ) vertical air flow distance (in. ) heating : distribution of wind velocity heating : distribution of temperature 0 0 0 0 (strong wind : discharge angle approx.54 ) (room t...

  • Page 103

    1-95 1-94 1. Specifications vertical air flow distance (in. ) vertical air flow distance (in. ) vertical air flow distance (in. ) vertical air flow distance (in. ) heating : distribution of wind velocity heating : distribution of temperature 0 0 0 0 (strong wind : discharge angle approx.54 ) (room t...

  • Page 104

    1-97 1-96 1. Specifications 0 0 0 157 79 118 39 157 79 118 39 157 79 118 39 157 79 118 39 0 59in/s 39in/s 20in/s 12in/s vertical air flow distance (in. )v ertical air flow distance (in. )v ertical air flow distance (in. )v ertical air flow distance (in. ) heating : distribution of wind velocity heat...

  • Page 105

    1-97 1-96 1. Specifications 1-12. Electrical wiring general precautions on wiring recommended wire length and wire diameter for power supply system you must follow local electrical codes for wiring. Outdoor unit type time delay fuse or circuit capacity u-26pe1u6 u-36pe1u6 u-42pe1u6 30 a 35 a 40 a ty...

  • Page 106

    1-99 1-98 1. Specifications inter-unit power wiring power wiring inter-unit control wiring 8p terminal board outdoor unit u1 u2 1 2 g l1 l2 wiring system diagrams basic wiring diagram for standard control always comply with national and local code requirements. U2 l2 u1 r2 r1 l1 l1 l2 u1 u2 2 1 l1 l...

  • Page 107

    1-99 1-98 1. Specifications inter-unit power wiring power wiring inter-unit control wiring 8p terminal board outdoor unit u1 u2 1 2 g l1 l2 wiring system diagrams basic wiring diagram for standard control always comply with national and local code requirements. U2 l2 u1 r2 r1 l1 l1 l2 u1 u2 2 1 l1 l...

  • Page 108

    1-101 1-100 1. Specifications 1-13. Installation instructions 1. Tubing size outdoor unit single type refrigerant tubing between the indoor and outdoor units should be kept as short as possible. The length of the refrigerant tubes between the indoor and outdoor units are limited by the elevation dif...

  • Page 109

    1-101 1-100 1. Specifications caution 1. This unit requires no additional refrigerant charge up to 100 ft. Tubing length. In case of more than 100 ft., additional refrigerant charge is required. Refer to table 1-5. 2. In case of multi type installation, indoor units should be installed within the sa...

  • Page 110

    1-103 1-102 1. Specifications 3. Selecting the installation site 3-1. Outdoor unit avoid: heat sources, exhaust fans, etc. (fig. 1-5) damp, humid or uneven locations do: choose a place as cool as possible. Choose a place that is well ventilated and outside air temperature does not exceed maximum 115...

  • Page 111

    1-103 1-102 1. Specifications 3-2. Air-discharge chamber for top discharge be sure to install an air discharge chamber in the field when: it is difficult to keep a space of min. 20" between the air discharge outlet and an obstacle. The air discharge outlet is facing a sidewalk and discharged hot air...

  • Page 112

    1-105 1-104 1. Specifications 3-5. Dimensions of wind ducting reference diagram for air-discharge chamber (fi eld supply) for u-26pe(s)1u6 / u-36pe(s)1u6 unit ① air discharge chamber ② air discharge chamber (base) for u-42pe(s)1u6 unit ① unit front, air discharge chamber ② unit left side, air discha...

  • Page 113

    1-105 1-104 1. Specifications dimensions of outdoor unit with air-discharge chamber (fi eld supply) u-26pe(s)1u6 / u-36pe(s)1u6 unit u-42pe(s)1u6 unit 13-3/8 2-17/32 21-13/16 1/2 6-11/16 25-31/32 4-5/16 2 / 1 2 / 1 14-31/32 15-15/16 19/3 2 23/ 52 23/ 52 13/3 2 wind direction win d directi on wind di...

  • Page 114

    1-107 1-106 1. Specifications reference diagram for air-discharge chamber (fi eld supply) u-26pe(s)1u6 / u-36pe(s)1u6 / u-42pe(s)1u6 required space around outdoor unit if the air discharge chamber is used, the space shown below must be secured around the outdoor unit. If the unit is used without the...

  • Page 115

    1-107 1-106 1. Specifications 3-6. Dimensions of snow ducting reference diagram for snow-proof vents (fi eld supply) for u-26pe(s)1u6 / u-36pe(s)1u6 unit ① unit top, snow-proof vent ② unit left side ③ unit right side ④ unit reverse side ⑤ unit reverse side ⑥ unit sides, reinforcement brackets for sn...

  • Page 116

    1-109 1-108 1. Specifications dimensions of outdoor unit with snow-proof vents (fi eld supply) u-26pe(s)1u6 / u-36pe(s)1u6 unit u-42pe(s)1u6 unit 11-57/64 16-47/6 4 15-15/1 6 14-61/6 42 5/64 19/3 2 25/32 30-5/64 25-25/64 7-3/64 3/4 30-45/64 37-1/64 wind direction wind direction wind direction wind d...

  • Page 117

    1-109 1-108 1. Specifications reference diagram for snow-proof vents – 1 space requirements for setting – (1) u-26pe(s)1u6 / u-36pe(s)1u6 / u-42pe(s)1u6 ] t i n u f o t n o r f e h t o t e l c a t s b o [ ] t i n u f o r a e r e h t o t e l c a t s b o [ : n e p o s i p o t : n e p o s i p o t top i...

  • Page 118

    1-111 1-110 1. Specifications reference diagram for snow-proof vents – 2 space requirements for setting – (2) u-26pe(s)1u6 / u-36pe(s)1u6 / u-42pe(s)1u6 [obstacles to the front and rear of unit] the top and both sides must remain open. Either the obstacle to the front or the obstacle to the rear mus...

  • Page 119

    1-111 1-110 1. Specifications 4. How to install the outdoor unit 4-1. Installing the outdoor unit use concrete or a similar material to create the base, and ensure good drainage. Ordinarily, ensure a base height of 2" or more. If a drain pipe is used, or for use in cold-weather regions, ensure a hei...

  • Page 120

    1-113 1-112 1. Specifications 4-4. How to process tubing the liquid tubing side is connected by a flare nut, and the gas tubing side is connected by brazing. 1. Connecting the refrigerant tubing use of the flaring method many conventional split system air conditioners employ the flaring method to co...

  • Page 121

    1-113 1-112 1. Specifications caution before connecting tubes tightly (1) apply a sealing cap or water-proof tape to prevent dust or water from entering the tubes before they are used. (2) be sure to apply refrigerant lubricant to the matching surfaces of the fl are and union before connecting them ...

  • Page 122

    1-115 1-114 1. Specifications do not use a spanner to tighten the valve stem caps. Doing so may damage the valves. Depending on the installation conditions, applying excessive torque may cause the nuts to crack. Precautions for packed valve operation if the packed valve is left for a long time with ...

  • Page 123

    1-115 1-114 1. Specifications 4. Taping the tubes (1) at this time, the refrigerant tubes (and electrical wiring if local codes permit) should be taped together with armoring tape in 1 bundle. To prevent condensation from overfl owing the drain pan, keep the drain hose separate from the refrigerant ...

  • Page 124

    1-117 1-116 1. Specifications 4-5. Leak test, evacuation and additional refrigerant charge perform an air-tightness test for this package a/c. Check that there is no leakage from any of the connections. Air and moisture in the refrigerant system may have undesirable effects as indicated below. Press...

  • Page 125

    1-117 1-116 1. Specifications (3) pressurize the system up to 4.15 mpa {42 kgf/cm 2 g } with dry nitrogen gas and close the cylinder valve when the gauge reading reaches 4.15 mpa {42 kgf/cm 2 g }. Then, test for leaks with liquid soap. Caution to avoid nitrogen entering the refrigerant system in a l...

  • Page 126

    1-119 1-118 1. Specifications caution to avoid gas from leaking when removing the charge hose, make sure the stem of the gas tube is turned all the way out (“back seat”) position. 3. Charging additional refrigerant charging additional refrigerant (calculated from the liquid tube length as shown in s...

  • Page 127

    1-119 1-118 1. Specifications 5. Selecting the installation site 5-1. Indoor unit avoid: areas where leakage of flammable gas may be expected. Places where large amounts of oil mist exist. Direct sunlight. Locations near inverter lamps which may affect the performance of the unit. Locations near hea...

  • Page 128

    1-121 1-120 1. Specifications concealed duct (type f2) 6-1. Required minimum space for installation and service 7-21/64 (186) 1-1/16 (27) 6-49/64 (172) 11-1/32 (280) g h 25-3/64 (636) c 5-29/32 (150) 1-5/16 (33.4) d d 2-1/8 (54) e f -ø1/8 (ø3) e b a 1-5/16 (33.4) 6-1/16 (154) 27-9/16 (700) 1-3/16 (3...

  • Page 129

    1-121 1-120 1. Specifications concealed duct (type f2) 6-1. Required minimum space for installation and service 7-21/64 (186) 1-1/16 (27) 6-49/64 (172) 11-1/32 (280) g h 25-3/64 (636) c 5-29/32 (150) 1-5/16 (33.4) d d 2-1/8 (54) e f -ø1/8 (ø3) e b a 1-5/16 (33.4) 6-1/16 (154) 27-9/16 (700) 1-3/16 (3...

  • Page 130

    1-123 1-122 1. Specifications tighten the hose clamps so their locking nuts face upward. (fig. 1-39) align the wire of hose band without separating from the drain hose and tighten so that it does not contact the bead. Drainage check section on drain port (transparent) drain hose (supplied) hard pvc ...

  • Page 131

    1-123 1-122 1. Specifications tighten the hose clamps so their locking nuts face upward. (fig. 1-39) align the wire of hose band without separating from the drain hose and tighten so that it does not contact the bead. Drainage check section on drain port (transparent) drain hose (supplied) hard pvc ...

  • Page 132

    1-125 1-124 1. Specifications 4-way cassette (type u1) 6-5. Suspending the indoor unit this unit uses a drain pump. Use a level gauge to check that the unit is level. 6-6. Preparation for suspending (1) fix the suspension bolts securely in the ceiling using the method shown in the diagrams (figs. 1-...

  • Page 133

    1-125 1-124 1. Specifications 6-7. Placing the unit inside the ceiling (1) when placing the unit inside the ceiling, determine the pitch of the suspension bolts using the supplied full-scale installation diagram. (fig. 1-49) the size of the opening for the indoor unit can be confirmed by attaching t...

  • Page 134

    1-127 1-126 1. Specifications 6-8. Installing the drain piping (1) prepare standard hard pvc pipe for the drain and use the supplied drain hose and hose band to pre- vent water leaks. The pvc pipe must be purchased separately. The transparent part allows you to check drainage. (fig. 1-51) (2) after ...

  • Page 135

    1-127 1-126 1. Specifications 6-9. Checking the drainage after wiring and piping are completed, use the follow- ing procedure to check that the water will drain smooth- ly. For this, prepare a bucket and wiping cloth to catch and wipe up spilled water. (1) take off the tube cover and through the ope...

  • Page 136

    1-129 1-128 1. Specifications ceiling panel 6-10. Before installing the ceiling panel (1) remove the air-intake grille and air filter from the ceiling panel. (figs. 1-58 and 1-59) (a) remove the 2 screws on the latch of the air- intake grille. (fig. 1-58) (b) press on the 2 latches of the air-intake...

  • Page 137

    1-129 1-128 1. Specifications 6-11. Installing the ceiling panel (1) lift the ceiling panel and position it to align the panel hook with the panel catch of the indoor unit. Note the ceiling panel must be mounted in the correct direction. Note that the 2 catches of the panel differ in size. Confirm t...

  • Page 138

    1-131 1-130 1. Specifications 6-13. Duct for fresh air there is a duct connection part on side of the indoor unit. (fig. 1-61) (1) accessories check that the following parts are in the box when unpacking. (2) installation fit the duct connection box into the rectangular hole of air-intake plenum wit...

  • Page 139

    1-131 1-130 1. Specifications (d) installing the ceiling panel attach the ceiling panel to the air-intake plenum. Drawing the panel downwards sets the panel in position temporarily with the panel catch (at 2 locations). Remove the socket cover of the air-intake plenum and pass the 8p sockets through...

  • Page 140

    1-133 1-132 1. Specifications wall mounted (type k1) 6-14. Removing the wall fixture from the unit remove the set screws and take off the rear panel. (fig. 1-64) note tubing can be extended in 3 directions as shown in fig. 1-65. Select the direction that provides the shortest run to the outside unit...

  • Page 141

    1-133 1-132 1. Specifications 6-16. Installing the rear panel on the wall be sure to confirm that the wall is strong enough to suspend the unit. See either item a) or b) below depending on the wall type. A) if wooden wall (1) attach the rear panel to the wall with the 10 screws pro- vided. (fig. 1-7...

  • Page 142

    1-135 1-134 1. Specifications 6-17. Removing the grille to install the indoor unit basically, these models can be installed and wired without removing the grille. If access to any internal part is needed, follow the steps given below: how to remove the grille (1) set the 2 flaps in the horizontal po...

  • Page 143

    1-135 1-134 1. Specifications 6-19. Wiring instructions general precautions on wiring (1) before wiring, confirm the rated voltage of the unit as shown on its nameplate, then carry out the wiring closely following the wiring diagram. (2) provide a power outlet to be used exclusively for each unit. A...

  • Page 144

    1-137 1-136 1. Specifications 6-21. Shaping the tubing (1) shape the refrigerant tubing so that it can easily go into the hole. (fig. 1-79) (2) push the wiring, refrigerant tubing and drain hose through the hole in the wall. Adjust the indoor unit so it is securely seated on the wall fixture. (3) ca...

  • Page 145

    1-137 1-136 1. Specifications ceiling (type t1) 6-23. Suspending the indoor unit (1) place the full-scale diagram (supplied) on the ceiling at the spot where you want to install the indoor unit. Use a pencil to mark the drill holes. (fig. 1-84). Note since the diagram is made of paper, it may shrink...

  • Page 146

    1-139 1-138 1. Specifications (5) before suspending the indoor unit, remove the 2 screws on the latch of the air-intake grilles, open the grilles, and remove them by pushing the claws of the hinges as shown in fig. 1-88. Then remove both side panels sliding them along the unit toward the front after...

  • Page 147

    1-139 1-138 1. Specifications ceiling surface .X or pp a hc ni 1 suspension bolt washer (supplied) nut (field supply) fig. 1-92 fig. 1-93 fig. 1-94 (7) suspend the indoor unit as follows. (a) mount a washer and two hexagonal nuts on each suspension bolt as shown in fig. 1-92. (b) lift the indoor uni...

  • Page 148

    1-141 1-140 1. Specifications 6-24. Duct for fresh air there is a duct connection port (knock-out hole) at the right-rear on the panel top of the indoor unit for drawing in fresh air. If it is necessary to draw in fresh air, remove the cover by knocking it out and connect the duct to the indoor unit...

  • Page 149

    1-141 1-140 1. Specifications low silhouette ducted (type f1) 6-26. Required minimum space for installation and service this air conditioner is usually installed above the ceiling so that the indoor unit and ducts are not visible. Only the air intake and air outlet ports are visible from below. The ...

  • Page 150

    1-143 1-142 1. Specifications 6-27. Suspending the indoor unit depending on the ceiling type: • insert suspension bolts as shown in fig. 1-103 or • use existing ceiling supports or construct a suitable support as shown in fig. 1-104. (1) when placing the unit inside the ceiling, determine the pitch ...

  • Page 151

    1-143 1-142 1. Specifications fig. 1-107 shows an example of installation. 6-28. Installing the drain piping (1) prepare standard hard pvc pipe for the drain and use the supplied hose band to prevent water leaks. The pvc pipe must be purchased separately. When doing this, leave a gap between the dra...

  • Page 152

    1-145 1-144 1. Specifications caution do not install an air bleeder tube as this may cause water to spray from the drain pipe outlet. (fig. 1-110) if it is necessary to increase the height of the drain pipe, the section directly after the connection port can be raised a maximum of 19-11/16". Do not ...

  • Page 153

    1-145 1-144 1. Specifications 6-30. Increasing the fan speed if external static pressure is too great (due to long extension of ducts, for example), the air flow volume may drop too low at each air outlet. This problem may be solved by increasing the fan speed using the following procedure: (1) remo...

  • Page 154

    1-147 1-146 1. Specifications 6-31. When installing the indoor unit confirm that the indoor unit should be installed in a horizontal position. Use the level gauge or vinyl tube and check every four corner of the unit is in horizontal. If the air outlet duct flange is positioned with downward gradien...

  • Page 155

    1-147 1-146 1. Specifications supplement on drain piping checkpoint after installation after installation of indoor and outdoor units, panels and electrical wiring, check the following items. K r a m e r k c e h c m o t p m y s t n i o p k c e h c 1 make sure whether indoor and outdoor units are cor...

  • Page 156

    1-149 1-148 1. Specifications 4-way cassette 36” × 36” (type u2) indoor unit 6-33. Selecting the installation site avoid: areas where leakage of flammable gas may be expected. Places where large amounts of oil mist exist. Direct sunlight. Locations near heat sources which may affect the performance ...

  • Page 157

    1-149 1-148 1. Specifications 4-way cassette 36” × 36” (type u2) indoor unit 6-33. Selecting the installation site avoid: areas where leakage of flammable gas may be expected. Places where large amounts of oil mist exist. Direct sunlight. Locations near heat sources which may affect the performance ...

  • Page 158

    1-151 1-150 1. Specifications 6-36. Placing the unit inside the ceiling this unit is equipped with the drain pump. Check a tape measure or carpenter’s level. Before installing the ceiling panel, complete the work of drain pipe and refrigerant pipe installation. (1) when placing the unit inside the c...

  • Page 159

    1-151 1-150 1. Specifications 6-36. Placing the unit inside the ceiling this unit is equipped with the drain pump. Check a tape measure or carpenter’s level. Before installing the ceiling panel, complete the work of drain pipe and refrigerant pipe installation. (1) when placing the unit inside the c...

  • Page 160

    1-153 1-152 1. Specifications push until they hit without space. 2. Installing the drain hose caution do not apply force to the drain port when connecting the drain hose. Install and fix it near the indoor unit as close as possible. Do not use adhesive when connecting the drain port pipe and the dra...

  • Page 161

    1-153 1-152 1. Specifications push until they hit without space. 2. Installing the drain hose caution do not apply force to the drain port when connecting the drain hose. Install and fix it near the indoor unit as close as possible. Do not use adhesive when connecting the drain port pipe and the dra...

  • Page 162

    1-155 1-154 1. Specifications 6-40. General precautions on wiring (1) before wiring, confirm the rated voltage of the unit as shown on its nameplate, then carry out the wiring closely following the wiring diagram. Warning (2) this equipment is strongly recommended to be installed with earth leakage ...

  • Page 163

    1-155 1-154 1. Specifications 6-40. General precautions on wiring (1) before wiring, confirm the rated voltage of the unit as shown on its nameplate, then carry out the wiring closely following the wiring diagram. Warning (2) this equipment is strongly recommended to be installed with earth leakage ...

  • Page 164

    1-157 1-156 1. Specifications caution if the screws are not sufficiently tightened, trouble such as that shown in the figure below may occur. Be sure to tighten the screws securely. If a gap remains between the ceiling surface and the ceiling panel even after the screws are tightened, adjust the hei...

  • Page 165

    1-157 1-156 1. Specifications caution if the screws are not sufficiently tightened, trouble such as that shown in the figure below may occur. Be sure to tighten the screws securely. If a gap remains between the ceiling surface and the ceiling panel even after the screws are tightened, adjust the hei...

  • Page 166

    1-159 1-158 1. Specifications stop the system before performing these steps. 1 keep pressing the , and buttons simultaneously for 4 or more seconds. The “maintenance func” screen appears on the lcd display. 2 press the or button to see each menu. If you wish to see the next screen instantly, press t...

  • Page 167

    1-159 1-158 1. Specifications stop the system before performing these steps. 1 keep pressing the , and buttons simultaneously for 4 or more seconds. The “maintenance func” screen appears on the lcd display. 2 press the or button to see each menu. If you wish to see the next screen instantly, press t...

  • Page 168

    1-161 1-160 1. Specifications stop the system before performing these steps. 1 keep pressing the , and buttons simultaneously for 4 or more seconds. The “maintenance func” screen appears on the lcd display. 2 press the or button to see each menu. If you wish to see the next screen instantly, press t...

  • Page 169

    1-161 1-160 1. Specifications stop the system before performing these steps. 1 keep pressing the , and buttons simultaneously for 4 or more seconds. The “maintenance func” screen appears on the lcd display. 2 press the or button to see each menu. If you wish to see the next screen instantly, press t...

  • Page 170

    1-163 1-162 1. Specifications 6-44. Accessories supplied with unit (4-way cassette 36” × 36”) part name figure q’ty remarks washer 8 for suspension bolts screw 4 for full-scale installation diagram insulating tape 2 for gas and liquid tube flare nuts flare insulator 1 for liquid tube flare insulator...

  • Page 171

    1-163 1-162 1. Specifications 6-44. Accessories supplied with unit (4-way cassette 36” × 36”) part name figure q’ty remarks washer 8 for suspension bolts screw 4 for full-scale installation diagram insulating tape 2 for gas and liquid tube flare nuts flare insulator 1 for liquid tube flare insulator...

  • Page 172

    1-165 1-164 1. Specifications (4) using a sabre saw, keyhole saw or hole-cutting drill attachment, cut a hole in the wall. See table 1-15 and fig. 1-150. Table 1-15 hole dia. 3-5/32" (80 mm) (5) measure the thickness of the wall from the inside edge to the outside edge and cut pvc pipe at a slight a...

  • Page 173

    1-165 1-164 1. Specifications (4) using a sabre saw, keyhole saw or hole-cutting drill attachment, cut a hole in the wall. See table 1-15 and fig. 1-150. Table 1-15 hole dia. 3-5/32" (80 mm) (5) measure the thickness of the wall from the inside edge to the outside edge and cut pvc pipe at a slight a...

  • Page 174

    1-167 1-166 1. Specifications 6-49. Shape the indoor side tubing (1) arrangement of tubing by direction a) right or left tubing cut out the corner of the right/left frame with a hacksaw or the like. (figs. 1-162 and 1-163) b) right-rear or left-rear tubing in this case, the corner of the frame need ...

  • Page 175

    1-167 1-166 1. Specifications 6-49. Shape the indoor side tubing (1) arrangement of tubing by direction a) right or left tubing cut out the corner of the right/left frame with a hacksaw or the like. (figs. 1-162 and 1-163) b) right-rear or left-rear tubing in this case, the corner of the frame need ...

  • Page 176: Warning

    1-169 1-168 1. Specifications 6-53. Left-side tubing (1) lead the tubing and drain hose through the wall, allowing sufficient length for connection. Then bend the tubing using a tube bender to make the attachment. (fig. 1-171) (2) switch the drain hose and drain cap. Switching drain hose and drain c...

  • Page 177: Warning

    1-169 1-168 1. Specifications 6-53. Left-side tubing (1) lead the tubing and drain hose through the wall, allowing sufficient length for connection. Then bend the tubing using a tube bender to make the attachment. (fig. 1-171) (2) switch the drain hose and drain cap. Switching drain hose and drain c...

  • Page 178

    1-171 1-170 1. Specifications ceiling (type t2) 6-55. Selecting the installation site avoid: areas where leakage of flammable gas may be expected. Places where large amounts of oil mist exist. Direct sunlight. Locations near heat sources which may affect the performance of the unit. Locations where ...

  • Page 179

    1-171 1-170 1. Specifications ceiling (type t2) 6-55. Selecting the installation site avoid: areas where leakage of flammable gas may be expected. Places where large amounts of oil mist exist. Direct sunlight. Locations near heat sources which may affect the performance of the unit. Locations where ...

  • Page 180

    1-173 1-172 1. Specifications 6-57. Preparation before installation (1) remove the bracket (for suspending the indoor unit). Loose the m8 or 5/16” suspension bolts. Then remove the bracket. (fig. 1-184) note loosen the m8 or 5/16” suspension bolts and expose the axis of bolts less than 5/16” (8 mm)....

  • Page 181

    1-173 1-172 1. Specifications 6-57. Preparation before installation (1) remove the bracket (for suspending the indoor unit). Loose the m8 or 5/16” suspension bolts. Then remove the bracket. (fig. 1-184) note loosen the m8 or 5/16” suspension bolts and expose the axis of bolts less than 5/16” (8 mm)....

  • Page 182

    1-175 1-174 1. Specifications note the hole should be made at a slight downward slant to the outside. Indoor side outdoor side fig. 1-200 inside pvc pipe (not supplied) cut at slight angle pvc pipe slight angle wall outside fig. 1-201 (1) drain hose connection the drain hose is connected below the r...

  • Page 183

    1-175 1-174 1. Specifications note the hole should be made at a slight downward slant to the outside. Indoor side outdoor side fig. 1-200 inside pvc pipe (not supplied) cut at slight angle pvc pipe slight angle wall outside fig. 1-201 (1) drain hose connection the drain hose is connected below the r...

  • Page 184

    1-177 1-176 1. Specifications 7. How to install the wireless remote controller important when using this air conditioner with the wireless remote controller it may sometimes be impossible to change the operation modes while other indoor unit is running. When this happens, a double beep tone sounds, ...

  • Page 185

    1-177 1-176 1. Specifications 7-2. Room temperature sensor setting the room temperature sensors are built into the indoor unit and the wireless remote controller. Either of these room temperature sensors can operate. The system is shipped from the factory set to the indoor unit sensor. To switch to ...

  • Page 186

    1-179 1-178 1. Specifications 4-way cassette type (type u1) 7-5. Indicator section installation remove the ceiling panel and indicator cover and install the indicator section. (1) remove the ceiling panel. (2) remove the corner cover behind the mark section. (3 screws) (3) remove the mark section in...

  • Page 187

    1-179 1-178 1. Specifications ceiling (type t1) 7-7. Indicator section installation remove the side panel to install the indicator section. (fig. 1-214) (1) remove the side panel. Open the air intake grille, remove the screw at one place and then remove the side panel by sliding it toward the front ...

  • Page 188

    1-181 1-180 1. Specifications 7-9. Electrical wiring 7-10-1. How to use the test run setting (type u1, t1) (1) set dip switch [ds] no. 1 on the wireless receiver unit pcb from off to the on position. (2) press the on/off operation button on the wireless remote controller. (3) make a test run using t...

  • Page 189

    1-181 1-180 1. Specifications 7-11. Misoperation alarm indicators alarm indicator lamps on the indoor unit indicate the error cause if the air conditioner fails to operate upon being switched on. The possible alarm indications are given in table 1-16. Fig. 1-218 shows the location of the alarm lamps...

  • Page 190

    1-183 1-182 1. Specifications cz-rwsu3u 7-12. Supplied accessories 7-13. Installing the receiver the receiver can only be installed on the corner indicated in fig. 1-219. Consider how the panel will face when it is installed on the indoor unit. 1 remove the air inlet grill. 2 remove the screw holdin...

  • Page 191

    1-183 1-182 1. Specifications 7-14. Wiring for the receiver wiring diagram how to connect the wires connect the wires from the receiver to the terminals for rc wiring on the indoor unit. (no polarity) 7-15. Test operation attention preparation : turn on the circuit breaker of units and then turn the...

  • Page 192

    1-185 1-184 1. Specifications cz-rwst2u 7-17. Supplied accessories 7-18. Installing the receiver td831159-04̲2way vrf.Indb 21 2014/08/26 13:48:00 wireless remote controller (1) remote control holder (1) aaa size battery (2) operating instructions (1) wood screw (2) clamper (1) supplied accessories 1...

  • Page 193

    1-185 1-184 1. Specifications 7-19. Self-diagnostics table and detected contents 60lqge the “alarm display” shown in the table below expresses the alarm contents displayed when the wired remote controller is connected. For how to handle the alarms, see installation instructions of indoor units or te...

  • Page 194

    1-187 1-186 1. Specifications caution if the signal receiving unit is installed near a rapid-start or inverter type fluorescent lamp (neither one uses glow lamps), it may be impossible to receive signals from the wireless remote controller. To avoid signal interference from fluorescent lamps, instal...

  • Page 195

    1-187 1-186 1. Specifications when using the signal receiving unit on a wall with the front exposed, choose a wall surface that the signal receiving unit can be mounted on. (1) insert a fl athead screwdriver into the slot on the lower side of the signal receiving unit and pry off the back case. (2) ...

  • Page 196

    1-189 1-188 1. Specifications 7-21. Electrical wiring caution be sure to do the wiring correctly (incorrect wiring will damage the equipment). Recommended wire diameter and allowable length for signal receiving unit wiring and its branch wiring: awg #18, max 1,300 ft. 7-22. Test run switch (1) remov...

  • Page 197

    1-189 1-188 1. Specifications 7-23. Misoperation alarm indicators a blinking lamp for other than the signal receiving unit fi lter shows that a problem has occurred in the unit, so make an inspection. (refer to servicing information in the service manual, etc.) also, if wired remote controller and d...

  • Page 198

    1-191 1-190 1. Specifications 7-24. Basic wiring diagram caution be sure to do the wiring correctly (incorrect wiring will damage the equipment). Wiring procedure carry out the wiring according to the above wiring diagram. Address setting is automatically executed after turning on the system. An ind...

  • Page 199

    1-191 1-190 1. Specifications 7-25. Wiring system diagram for group control this diagram shows when several units (maximum of 8) are controlled by a signal receiving unit (main unit). In this case, a signal receiving unit can be connected at any indoor unit. Group control using 2 signal receiving un...

  • Page 200

    1-193 1-192 1. Specifications 7-26. Wiring system diagram for multiple remote controllers to operate 1 indoor unit with 2 signal receiving units set at different locations. Caution carry out the wiring correctly (incorrect wiring will damage the equipment). When installing multiple remote controller...

  • Page 201

    1-193 1-192 1. Specifications 7-27. Test run procedure wall mounted (type k1) 7-28. Check items before the test run (1) turn on the remote power switch at least 12 hours before the test run in order to charge the crankcase heater. (2) fully open the service valves on the gas-tube and liquid-tube sid...

  • Page 202

    1-195 1-194 1. Specifications 7-29. Preparing for the test run 7-29-1. Changing the room temperature sensor room temperature sensors are installed inside the indoor unit and the wireless remote controller. Either room temperature sensor can be used. When “unit sensor” is indicated on the wireless re...

  • Page 203

    1-195 1-194 1. Specifications 7-30. Precautions request that the customer be present at the time the test run is performed. Explain the operating instructions to the customer, and then have the customer actually operate the system. Be sure to pass the manual and warranty certifi cate to the customer...

  • Page 204

    1-197 1-196 1. Specifications 7-31. When setting indoor unit control pcb switch for wall mounted indoor unit when using both the wired and wireless remote controller, refer to the procedure below. If this setting is not made correctly an alarm will occur. (the operation lamp on the display blinks.) ...

  • Page 205

    1-197 1-196 1. Specifications 7-32. Diagnosis ta bl e wired remote cause e 0 1 e 0 2 e 0 9 e 1 4 e 0 4 e 0 6 e 1 5 e 1 6 e 2 0 p 0 5 l 0 2 p 0 9 di spl ay ed l 0 7 displ ay ed indoor unit 1:1 connection (single type) nothing is displ ay ed nothing is displ ay ed displa ye d displa ye d operating lam...

  • Page 206

    1-198 1. Specifications 8. How to install the timer wired remote controller note refer to the instruction manual attached to the timer remote controller. 1 sm830203-04.Indb 198 15/10/16 10:45:27.

  • Page 207: 2. Processes and Functions

    2-1. Room temperature control .......................................................................................... 2-2 2-2. Cold draft prevention (heating cycle) ........................................................................ 2-4 2-3. Automatic fan speed (indoor unit) ...................

  • Page 208

    2-3 2-2 2. Processes and functions fig. 1 (thermo. Off) (thermo. On) room temp. Thermo. On 5 minutes more than 5 minutes 3 minutes set temp compressor outdoor fan (h or m) indoor fan f f o f f o f f o f f o 1 1. See outdoor unit fan control in 2-4. Control functions. More than 3 minutes more than 5 ...

  • Page 209

    2-3 2-2 2. Processes and functions fig. 2 thermo. On thermo. On +2°f f f o f f o 2 1. See outdoor unit fan control in 2-4. Control functions. Off set speed n o n o n o on (reversing cycle) on temp. Operation remote control sensor (only for wireless remote controller) body sensor off off set speed se...

  • Page 210

    2-5 2-4 2. Processes and functions fig. 3 92 88 81 77 50 set fan speed auto or h m l ll ll/off ll l l l ll ll/off ll l m m ll ll/off ll l m h max. 6 minutes “standby” indicator 79 75 72 68 50 75 72 68 64 46 indoor unit type f2,t2 u2 u1,k1,t1,f1,k2 coil temp. E2 (°f) ll= very low speed l= low speed m...

  • Page 211

    2-5 2-4 2. Processes and functions fig. 4 indoor fan speed l h m m h 1923_m_s room temp. (deg) set temp. +3 +2 +1 h m : high : middle l : low chart explanations and notes when the fan speed changes, it keeps the speed step for at least 3 minutes, even if the temperature changes to another speed step...

  • Page 212

    2-7 2-6 2. Processes and functions 124 142 2-4. Control functions electronic control valve control opening of the electronic control valve is controlled so that the appropriate operating conditions are maintained, based on the signal from each sensor (discharge temperature [td], intake temperature [...

  • Page 213

    2-7 2-6 2. Processes and functions 36 overcurrent protection control (1) if the overcurrent protection circuit detects abnormal current, the compressor is stopped. (error count = 1.) the compressor then restarts after 3 minutes. (2) if compressor start/stop is repeated 4 times (error count = 4), ala...

  • Page 214

    2-9 2-8 2. Processes and functions 1 • • • • • 2 3 defrost control defrost sequence heating operation (25-minute mask) frost detection defrost start (reverse cycle defrost) defrost in progress defrost cancel start-up operation operating frequency: 61.8 hz outdoor unit fan: off electronic control val...

  • Page 215

    2-9 2-8 2. Processes and functions 2. Processes and functions fan motor plug (cn004) eeprom ic mdc heat exchanger temperature (c2) sensor heat exchanger temperature (c1) sensor suction temperature (ts) sensor outdoor air temperature (to) sensor compressor discharge temperature (td) sensor refrigeran...

  • Page 216

    2-11 2-10 2. Processes and functions push-button switch (black): automatic address setting switch • if the system address switch (s002: set to 0 at time of shipment) setting is other than "0" (central control), press this switch once to automatically set the addresses at all indoor units which are i...

  • Page 217

    2-11 2-10 2. Processes and functions 3p plug (black): terminal plug for the communications line • at the time of shipment from the factory, the short-circuiting socket (2p, black) is installed between pins 1 and 2 on the terminal plug (terminal = yes). • when central control is used for multiple sys...

  • Page 218: - Memo -

    2-12 - memo - sm830203-04.Indb 12 15/10/15 11:03:39.

  • Page 219: 3. Electrical Data

    3-1. 3-2 indoor units .................................................................................................................. 3-2. Outdoor units ............................................................................................................. 3 -14 3. Electrical data 3-1 3 sm8...

  • Page 220

    3-3 3-2 3. Electrical data 3-1. Indoor units concealed duct type : s-26pf2u6, s-36pf2u6 3 sm830203-04.Indb 2 15/10/13 17:21:58.

  • Page 221

    3-3 3-2 3. Electrical data 3-1. Indoor units concealed duct type : s-26pf2u6, s-36pf2u6 4-way cassette type : s-26pu1u6, s-36pu1u6, s-42pu1u6 3 sm830203-04.Indb 3 15/10/13 17:21:59.

  • Page 222

    3-5 3-4 3. Electrical data 4-way cassette type : s-26pu1u6, s-36pu1u6, s-42pu1u6 3 sm830203-04.Indb 4 15/10/13 17:21:59.

  • Page 223

    3-5 3-4 3. Electrical data wall mounted type : s-26pk1u6 3 sm830203-04.Indb 5 15/10/13 17:21:59.

  • Page 224

    3-7 3-6 3. Electrical data wall mounted type : s-26pk1u6 3 sm830203-04.Indb 6 15/10/13 17:21:59.

  • Page 225

    3-7 3-6 3. Electrical data ceiling type : s-26pt1u6, s-36pt1u6, s-42pt1u6 3 sm830203-04.Indb 7 15/10/13 17:21:59.

  • Page 226

    3-9 3-8 3. Electrical data ceiling type : s-26pt1u6, s-36pt1u6, s-42pt1u6 3 sm830203-04.Indb 8 15/10/13 17:22:00

  • Page 227

    3-9 3-8 3. Electrical data low silhouette ducted type : s-26pf1u6, s-36pf1u6 3 sm830203-04.Indb 9 15/10/13 17:22:00

  • Page 228

    3-11 3-10 3. Electrical data low silhouette ducted type : s-26pf1u6, s-36pf1u6 3 sm830203-04.Indb 10 15/10/13 17:22:00

  • Page 229

    3-11 3-10 3. Electrical data 4-way cassette 36”×36” type : s-26pu2u6, s-36pu2u6, s-42pu2u6 r b y br w r b y br w r b y br w r b y br w o m m m m w. D.Chang e mo to r1 w. D.Chang e mo to r2 w. D.Chang e mo to r3 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 to the outdoor uni t or indoor uni t remote contr...

  • Page 230

    3-13 3-12 3. Electrical data wall mounted type : s-26pk2u6 sm830203-03.Indb 6 15/09/04 9:13:18 3 sm830203-04.Indb 12 15/10/13 17:22:00

  • Page 231

    3-13 3-12 3. Electrical data to the outdoor uni t or indoor uni t remote controlle r indoor air temp . Sensor (t a) indoor he at exchanger temp . Senso r (e1 ) power suppl y 208 / 230v 60h z 1p h w bl r1 r2 p b u1 u2 f204053 1 lm (wht ) 3w ay (blk) dp (wht ) fs (red ) 1 3 1 3 1 5 7 gr l (wht ) optio...

  • Page 232

    3-15 3-14 3. Electrical data 3-2. Outdoor units u-26pe1u6 3 sm830203-04.Indb 14 15/10/13 17:22:01.

  • Page 233

    3-15 3-14 3. Electrical data u-26pe1u6 3 sm830203-04.Indb 15 15/10/13 17:22:01.

  • Page 234

    3-17 3-16 3. Electrical data u-26ps1u6 3 sm830203-04.Indb 16 15/10/13 17:22:01.

  • Page 235

    3-17 3-16 3. Electrical data u-26ps1u6 3 sm830203-04.Indb 17 15/10/13 17:22:02.

  • Page 236

    3-19 3-18 3. Electrical data u-36pe1u6 3 sm830203-04.Indb 18 15/10/13 17:22:02.

  • Page 237

    3-19 3-18 3. Electrical data u-36pe1u6 3 sm830203-04.Indb 19 15/10/13 17:22:02.

  • Page 238

    3-21 3-20 3. Electrical data u-36ps1u6 3 sm830203-04.Indb 20 15/10/13 17:22:02.

  • Page 239

    3-21 3-20 3. Electrical data u-36ps1u6 3 sm830203-04.Indb 21 15/10/13 17:22:02.

  • Page 240

    3-23 3-22 3. Electrical data u-42pe1u6 3 sm830203-04.Indb 22 15/10/13 17:22:03.

  • Page 241

    3-23 3-22 3. Electrical data u-42pe1u6 3 sm830203-04.Indb 23 15/10/13 17:22:03.

  • Page 242

    3-25 3-24 3. Electrical data u-42ps1u6 3 sm830203-04.Indb 24 15/10/13 17:22:03.

  • Page 243

    3-25 3-24 3. Electrical data u-42ps1u6 3 sm830203-04.Indb 25 15/10/13 17:22:03.

  • Page 244: − Memo −

    − memo − 3-26 sm830203-04.Indb 26 15/10/13 17:22:03.

  • Page 245: 4. Service Procedures

    4-1. Meaning of alarm messages........................................................................................4-2 4-2. Symptoms and parts to inspect ..................................................................................4-5 4-3. Details of alarm messages .............................

  • Page 246

    4-3 4-2 4. Service procedures remote controller is detecting error signal from indoor unit e01 e02 e10 e11 e14 e03 e08 e09 e04 e05 e06 e07 e15 e12 e16 e20 e17 e18 e31 l01 l02 l03 l04 l07 l08 l09 l10 l11 l13 indoor unit is detecting error signal from remote controller (and system controller) error in...

  • Page 247

    4-3 4-2 4. Service procedures p09 p01 p10 p03 p04 p05 p15 p19 p20 p22 p26 p29 p31 h01 f01 f02 f10 f04 f06 f07 f08 f12 f29 ceiling panel connection failure indoor protection fan protective thermostat float switch p11 faulty drain pump. Drain pump locked. P12 dc fan error. Discharge temperature troubl...

  • Page 248

    4-5 4-4 4. Service procedures (2) led indicator messages on outdoor control pcb power on sequence 1. No communication from indoor units in system 2. Communication received from 1 or more indoor units in system 3. Regular communication ok (capacity and unit quantity match) if it is not possible to ad...

  • Page 249

    4-5 4-4 4. Service procedures 4-2. Symptoms and parts to inspect judgment condition clear condition p03 p05 p04 p15 p19 p20 p22 p26 remote controller alarm display alarm contents judgment and correction abnormal discharge temperature • discharge temp. Detected at or above the specified value. Stops ...

  • Page 250

    4-7 4-6 4. Service procedures judgment condition clear condition p29 f04 f06 alarm contents judgment and correction recovery at restart recovery at restart recovery at restart recovery at restart recovery at restart current detection circuit trouble • ac current value is high even when compressor is...

  • Page 251

    4-7 4-6 4. Service procedures judgment condition clear condition f31 l02 l04 l07 l10 l13 e07 e06 e14 e15 e16 e20 e31 h01 remote controller alarm display alarm contents judgment and correction automatic recovery eeprom trouble reading/writing failure recovery at power reset 1. Check eeprom (ic007). 2...

  • Page 252

    4-9 4-8 4. Service procedures no no no no no no no no no yes yes yes yes yes yes yes yes yes [alarm “p29”] (mdc trouble) (1) input power detection circuit trouble compressor does not run. Breakdown motor current detection circuit trouble is power ok? Correct power line. Is current detection circuit ...

  • Page 253

    4-9 4-8 4. Service procedures no no no no no no no yes yes yes yes yes yes yes replace outdoor unit control pcb. (2) [alarm “p26”] hic pcb trouble) igbt short-circuit protection on inverter control (ipdu) pcb is power ok? Correct power line. Are circuit wiring, connector connections, and reactor con...

  • Page 254

    4-11 4-10 4. Service procedures hic + between terminals resistance hic + hic + hic + hic – hic – hic – hic – u v w u v w resistance 200 k Ω or more 300 k Ω or more 300 k Ω or more 300 k Ω or more 200 k Ω or more 200 k Ω or more 200 k Ω or more no yes replace outdoor unit control pcb. (3) [alarm “e31...

  • Page 255

    4-11 4-10 4. Service procedures no no no no yes yes yes yes (4) [alarm "p22"] outdoor unit fan motor drive circuit trouble are connectors cn003 and cn004 connected correctly to the outdoor unit control pcb? Correct the connector connections. Disconnect connectors cn003 and cn004 from outdoor unit co...

  • Page 256

    4-13 4-12 4. Service procedures no no yes yes check the outdoor unit control pcb. Replace if pcb has failed. Sensor trouble (5) [alarms “f04,” “f06,” “f07,” “f08,” “f12”] are connectors cn020, 021, 022, 023, and 024 (td, to, c1, c2, and ts sensors) connected correctly to the outdoor unit control pcb...

  • Page 257

    4-13 4-12 4. Service procedures n sensor temperature display function (displayed regardless of whether unit is operating or stopped) the procedure below displays the sensor temperatures from the remote controller, indoor unit, and outdoor unit on the remote controller. (1) press and hold the and but...

  • Page 258

    4-15 4-14 4. Service procedures (1) keep pressing the , and buttons simultaneously for 4 or more seconds. The “maintenance func” screen appears on the lcd display. (2) press the or button to see each menu. If you wish to see the next screen instantly, press the or button. Select “5. Sensor info.” on...

  • Page 259

    4-15 4-14 4. Service procedures note the temperature display appears as “- - - -” for units that are not connected. * if monitor mode is engaged while normal operation is in progress, only the parts of the lcd display shown in the figure will change. Other parts continue to display the same informat...

  • Page 260

    4-16 4. Service procedures check pin short-circuit the cooling check pin (or heating check pin) on the outdoor unit control pcb to perform the control described below. 1. Thermistor checks the checks listed below are performed for 1 second each, in order from the top down. The results are displayed ...

  • Page 261

    5-1. Overview in the case of cz-rtc2 ...................................................................................................................... 5-2 .................................................................................................................... 5-11 .....................

  • Page 262

    5-3 5-2 5. Outdoor unit maintenance remote control 5-1. Overview what is the outdoor unit maintenance remote controller? Beginning with the dc-inv series of outdoor units, nonvolatile memory (eeprom) is used in the outdoor unit pcb. In this way, the setting switches that were located on earlier pcbs...

  • Page 263

    5-3 5-2 5. Outdoor unit maintenance remote control remote controller assy special service checker wiring relay connector (2p, white) pcb connector (3p, blue) rc (3p, blue) outdoor unit pcb 5-3. Normal display operations and functions normal display functions • connect the special service checker wir...

  • Page 264

    5-5 5-4 5. Outdoor unit maintenance remote control display (functions) • use the temperature setting and buttons to change the item code. S k r a m e r display contents item code 00 (1) s u t a t s l a it i n i t a l a m r o n n e h w f f o : ) e d o c ( s t n e t n o c m r a l a ti n u r o o d t u ...

  • Page 265

    5-5 5-4 5. Outdoor unit maintenance remote control *2: 7-segment, 4-digit display for remote controller timer display the connected unit nos. Are displayed as shown below, using the 7-segment 4-digit ( ) display and the colon. — — — — — — — — 1 7 1 2 1 7 2 8 1 3 1 3 8 9 1 4 1 4 9 5 10 15 20 6 1 1 1 ...

  • Page 266

    5-7 5-6 5. Outdoor unit maintenance remote control 5-4. Monitoring operations: display of indoor unit and outdoor unit sensor temperatures (1) press and hold the button and button simultaneously for 4 seconds or longer to switch to temperature monitor mode. During temperature monitoring, “service mo...

  • Page 267

    5-7 5-6 5. Outdoor unit maintenance remote control 5-5. Monitoring the outdoor unit alarm history: display of outdoor unit alarm history * displays outdoor unit alarms only. Does not display indoor unit alarms. * check the indoor unit alarm histories separately using the indoor unit remote controlle...

  • Page 268

    5-9 5-8 5. Outdoor unit maintenance remote control list of item codes r e t e m a r a p e d o c m e t i 01 control system schedule 02 control system schedule 03 control system schedule 04 snowfall sensor operation 0 = no sensor, control performed 1 = no sensor, control not performed do not set do no...

  • Page 269

    5-9 5-8 5. Outdoor unit maintenance remote control setting mode 2 (1) press and hold the button, button, and button simultaneously for 4 seconds or longer. (2) use the temperature setting and buttons to change the item code. The item codes and setting data are shown in the table below. (3) use the t...

  • Page 270

    5-11 5-10 5. Outdoor unit maintenance remote control r e t e m a r a p e d o c m e t i 80 refrigerant type 407 = r407c 22 = r22 410 = r410a 81 outdoor unit capacity* 0 = disabled 112 : type 36 80 : type 26 140 : type 42 do not set do not set do not set 82 control system schedule 83 control system sc...

  • Page 271

    5-11 5-10 5. Outdoor unit maintenance remote control in the case of cz-rtc4 5-7. Overview n about the outdoor unit maintenance remote controller the outdoor unit utilizes nonvolatile memory (eeprom) on its pcb. This allows eeprom data to replace the setting switches that were present on previous pcb...

  • Page 272

    5-13 5-12 5. Outdoor unit maintenance remote control 5-8. Functions n functions on the ordinary display (1) functions: button operations can be used to perform the following functions. • start/stop of all indoor units • switching between cooling and heating • test run of all indoor units • double-sp...

  • Page 273

    5-13 5-12 5. Outdoor unit maintenance remote control 5-9. Normal display operations and functions n functions on the ordinary display • connect the special service checker wiring to the outdoor unit pcb. The connection is shown in the figure below. Special service checker wiring top case (back side)...

  • Page 274

    5-15 5-14 5. Outdoor unit maintenance remote control l all units start/stop (fig. 3) the (start/stop operation) button can be used to start and stop all the indoor units. • the led illuminates if any indoor units is operating. • the led blinks if an alarm at any of the operating indoor units occurs....

  • Page 275

    5-15 5-14 5. Outdoor unit maintenance remote control display (functions) • use the temperature setting and buttons to change the item code. S k r a m e r Á item À item code 00 s u t a t s l a it i n i t a l a m r o n n e h w f f o : ) e d o c ( s t n e t n o c m r a l a ti n u r o o d t u o blinking...

  • Page 276

    5-17 5-16 5. Outdoor unit maintenance remote control xx-yy r.C. Displays the outdoor unit sub-bus address which is currently selected. Xx = outdoor system address on main bus line (1 – 30) yy = outdoor unit sub-bus address (1 – 4) “1” appears when there is only 1 outdoor unit. Locations where À , Á ...

  • Page 277

    5-17 5-16 5. Outdoor unit maintenance remote control n concerning the 7-segment, 4-digit display remote controller timer display the unit nos. Of connected units are indicated by four 7-segment digits ( ) and a colon. 1 2 7 12 17 3 13 18 8 4 14 19 9 5 10 15 20 6 11 16 21 22 27 32 37 23 33 38 28 24 3...

  • Page 278

    5-19 5-18 5. Outdoor unit maintenance remote control 5-10. Monitoring operations: display of indoor unit and outdoor unit sensor temperatures À press and hold the (check) button and buttons simultaneously for 4 seconds or longer to engage temperature monitor mode. During temperature monitoring, is i...

  • Page 279

    5-19 5-18 5. Outdoor unit maintenance remote control display of unit no. 1 (main unit) e d o c f o g n i n a e m e d o c m e t i indoor unit data 02 indoor unit intake temp. 03 indoor unit heat exchanger temp. (e1) 04 indoor unit heat exchanger temp. (e2) 05 – 06 indoor unit discharge temp. 07 – 08 ...

  • Page 280

    5-21 5-20 5. Outdoor unit maintenance remote control 5-11. Mounting the outdoor unit alarm history : display of outdoor unit alarm history • displays outdoor unit alarms only. • check the indoor unit alarm histories separately using the indoor unit remote controllers or other control device. À press...

  • Page 281: 6.  Mode Settings

    5-21 5-20 5. Outdoor unit maintenance remote control 2way system outdoor unit maintenance remote controller 6. Mode settings setting mode 1 press and hold the À Á (check) button and (ventilation) button simultaneously for 4 seconds or longer. Press the temperature setting and buttons to change the i...

  • Page 282

    5-23 5-22 5. Outdoor unit maintenance remote control list of item codes r e t e m a r a p e d o c m e t i 01 control system schedule 02 control system schedule 03 control system schedule 04 snowfall sensor operation 0 = no sensor, control performed 1 = no sensor, control not performed do not set do ...

  • Page 283: 6.  Mode Settings

    5-23 5-22 5. Outdoor unit maintenance remote control 2way system outdoor unit maintenance remote controller 6. Mode settings setting mode 2 press and hold the À Á (check) button and (ventilation) button simultaneously for 4 seconds or longer. Press the temperature setting and buttons to change the i...

  • Page 284: − Memo −

    5-24 − memo − sm830203-04.Indb 24 15/10/08 13:33:43.

  • Page 285: 6. Test Run

    6-1. Preparing for test run .............................................................................................. 6-2. Caution ....................................................................................................................... 6-3. Test run procedure .......................

  • Page 286

    6-3 6-2 6. Test run 6. Test run 6-1. Preparing for test run before attempting to start the air conditioner, check the following: (1) all loose matter is removed from the cabinet espe- cially steel filings, bits of wire, and clips. (2) the control wiring is correctly connected and all electrical conn...

  • Page 287

    6-3 6-2 6. Test run type f2, u2, t2, k2, u1, k1, t1 and f1 6-2. Caution this unit may be used in a single-type refrigerant system where 1 outdoor unit is connected to 1 indoor unit. The indoor and outdoor unit control pcbs utilize a semiconductor memory element (eeprom). The settings required for op...

  • Page 288

    6-5 6-4 6. Test run 6-4. Items to check before the test run (1) (2) turn the breaker on at least 12 hours in advance in order to energize the crankcase heater. Fully open the closed valves on the liquid tube and gas tube sides. 6-5. Test run using the remote controller (1) press and hold the remote ...

  • Page 289

    6-5 6-4 6. Test run fig. 6-4 cz-rtc4 1 press and hold the button for 4 seconds or operates the unit with the thermostat forced on. Longer. 2 “ ” appears on the remote controller lcd display (fig. 6-4). 3 press the button to start the test run. The outdoor units will not operate for approximately 3 m...

  • Page 290

    6-7 6-6 6. Test run wired remote cont ro ller displ ay cause correction nothing is displ ay ed nothing is displ ay ed e 0 1 dis pl ay ed e 0 2 displ ay ed e 0 9 displ ay ed e 1 4 displa ye d e 0 4 displa ye d e 0 6 di spla ye d e 1 5 displa ye d e 1 6 displa ye d e 2 0 di spla ye d p 0 5 di spla ye ...

  • Page 291

    6-7 6-6 6. Test run 6-8. Examples of wiring diagrams basic wiring diagram 1 single-type system be careful to avoid miswiring when connecting the wires. (miswiring will damage the units.) 1 2 1 2 0 l2 u1 rc u2 l1 u2 u1 g 1 2 system address rotary switch (set to “0” at the time of shipment.) outdoor u...

  • Page 292

    6-9 6-8 6. Test run 1 2 1 2 l2 u1 rc u2 l1 u2 u1 g 1 2 1 2 l2 u1 rc u2 l1 u2 u1 g 1 2 system address rotary switch (set to “ 0 ” at the time of shipment.) outdoor unit indoor unit wired remote controller wht blk (optional) remote controller wiring (field supply) system address rotary switch (set to ...

  • Page 293

    6-9 6-8 6. Test run setting the outdoor unit system addresses for basic wiring diagram 2 (set the system addresses: 1, 2, 3...) on 1 2 0 system address rotary switch (set to “0” at time of shipment) system address rotary switch system address dipswitch off on 10s 20s 3 – 5hp outdoor unit control pcb...

  • Page 294

    6-11 6-10 6. Test run 1. Keep pressing the , and for 4 or more seconds. Buttons simultaneously the “maintenance func” screen appears on the lcd display. 2. Press the or button to see each menu. If you wish to see the next screen instantly, or press the select “9. Auto address” on the lcd display and...

  • Page 295

    6-11 6-10 6. Test run indicating (marking) the indoor and outdoor unit combination number indicate (mark) the number after automatic address setting is completed. (1) so that the combination of each indoor unit can be easily checked when multiple units are installed, ensure that the indoor and outdo...

  • Page 296

    6-12 6. Test run 1 keep pressing the , and for 4 or more seconds. Buttons simultaneously the “maintenance func” screen appears on the lcd display. 2 press the or button to see each menu. Select “3. Rc. Setting mode” on the lcd display and press button. 3 the “rc. Setting mode” screen appears on the ...

  • Page 297

    201510 sm830203-04.Indb 1 15/10/08 10:10:58.