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Panasonic CS-AZ9RKE Service Manual

Other manuals for CS-AZ9RKE: Operating Instructions Manual

Summary of CS-AZ9RKE

  • Page 1

    © panasonic corporation 2015. Order no: papamy1507114ce clo ck mo de air conditio ne r off/on se t check rese t ac rc o n o ff se t cancel 1 2 3 t ime r eco navi +8/10°c heat mo de t e mp fan speed air swing powerful/quiet +8/10°c heat indoor unit outdoor unit cs-hz9rke cs-hz12rke cs-hz9rke-4 cs-az9...

  • Page 2: Table Of Contents

    2 table of contents 1. Safety precautions ............................................. 3 2. Precaution for using r32 refrigerant ............. 6 3. Specification ..................................................... 10 4. Features ............................................................. 16 5. ...

  • Page 3: 1. Safety Precautions

    3 1. Safety precautions read the following “safety precautions” carefully before perform any servicing. Electrical work must be installed or serviced by a licensed electrician. Be sure to use the correct rating of the power plug and main circuit for the model installed. The caution items stated here...

  • Page 4

    4 warning 15. When install or relocate air conditioner, do not let any substance other than the specified refrigerant, eg. Air etc. Mix into refrigeration cycle (piping). (mixing of air etc. Will cause abnormal high pressure in refrigeration cycle and result in explosion, injury etc.). 16. Do not in...

  • Page 5

    5 caution 7. Power supply connection to the room air conditioner. Use power supply cord 3 × 1.5 mm 2 type designation 60245 iec 57 or heavier cord. Connect the power supply cord of the air conditioner to the mains using one of the following method. Power supply point should be in easily accessible p...

  • Page 6

    6 2. Precaution for using r32 refrigerant the basic installation work procedures are the same as conventional refrigerant (r410a, r22) models. However, pay careful attention to the following points: warning 1. Since the working pressure is higher than that of refrigerant r22 models, some of the pipi...

  • Page 7

    7 caution 2-5. No ignition sources no person carrying out work in relation to a refrigeration system which involves exposing any pipe work that contains or has contained flammable refrigerant shall use any sources of ignition in such a manner that it may lead to the risk of fire or explosion. He/she...

  • Page 8

    8 caution 7. Leak detection methods electronic leak detectors shall be used to detect flammable refrigerants, but the sensitivity may not be adequate, or may need re- calibration. (detection equipment shall be calibrated in a refrigerant-free area.) ensure that the detector is not a potential source...

  • Page 9

    9 caution 11. Labelling equipment shall be labelled stating that it has been de-commissioned and emptied of refrigerant. The label shall be dated and signed. Ensure that there are labels on the equipment stating the equipment contains flammable refrigerant. 12. Recovery when removing refrigerant fro...

  • Page 10: 3. Specification

    10 3. Specification model indoor cs-hz9rke cs-hz9rke-4 cs-az9rke outdoor cu-hz9rke cu-hz9rke-4 cu-az9rke performance test condition eurovent power supply phase, hz single, 50 v 230 min. Mid. Max. Cooling capacity kw 0.85 2.50 3.00 btu/h 2900 8530 10200 kcal/h 730 2150 2580 running current a – 2.20 –...

  • Page 11

    11 model indoor cs-hz9rke cs-hz9rke-4 cs-az9rke outdoor cu-hz9rke cu-hz9rke-4 cu-az9rke indoor f an type cross-flow fan material asg33 motor type dc / transistor (8-poles) input power w 44.9 output power w 40 speed qlo cool rpm 570 heat rpm 630 lo cool rpm 670 heat rpm 720 me cool rpm 880 heat rpm 9...

  • Page 12

    12 model indoor cs-hz9rke cs-hz9rke-4 cs-az9rke outdoor cu-hz9rke cu-hz9rke-4 cu-az9rke drain hose inner diameter mm 16 length mm 650 indoor heat exchanger fin material aluminium (pre coat) fin type slit fin row × stage × fpi 2 × 17 × 21 size (w × h × l) mm 636.5 × 357 × 25.4 outdoor heat exchanger ...

  • Page 13

    13 model indoor cs-hz12rke outdoor cu-hz12rke performance test condition eurovent power supply phase, hz single, 50 v 230 min. Mid. Max. Cooling capacity kw 0.85 3.50 4.00 btu/h 2900 11900 13600 kcal/h 730 3010 3440 running current a – 3.80 – input power w 170 830 990 annual consumption kwh – 415 – ...

  • Page 14

    14 model indoor cs-hz12rke outdoor cu-hz12rke indoor f an type cross-flow fan material asg33 motor type dc / transistor (8-poles) input power w 44.9 output power w 40 speed qlo cool rpm 570 heat rpm 630 lo cool rpm 720 heat rpm 740 me cool rpm 920 heat rpm 1020 hi cool rpm 1130 heat rpm 1300 shi coo...

  • Page 15

    15 model indoor cs-hz12rke outdoor cu-hz12rke drain hose inner diameter mm 16 length mm 650 indoor heat exchanger fin material aluminium (pre coat) fin type slit fin row × stage × fpi 2 × 17 × 21 size (w × h × l) mm 636.5 × 357 × 25.4 outdoor heat exchanger fin material aluminium fin type corrugate ...

  • Page 16: 4.   Features

    16 4. Features  inverter technology o wider output power range o energy saving o more precise temperature control  long installation piping o long piping up to 20 meters during single split connection only  easy to use remote control  quality improvement o random auto restart after power failure...

  • Page 17

    17 5. Location of controls and components 5.1 indoor unit front panel air filters horizontal airflow direction louver • do not adjust by hand. Auto off/on button sunlight sensor and remote control receiver (maximum distances: 8m) • use when remote control is misplaced or a malfunction occurs. Alumin...

  • Page 18: 6. Dimensions

    18 6. Dimensions 6.1 indoor unit clo ck mode air conditioner off/on se t che ck re se t ac rc on off set cancel 1 2 3 timer econavi +8 /10°c heat mode temp fan speed air swing powerful/quiet +8/ 10°c he at liquid side gas side 60 119.1 60 105.8 1-2 1-2 left ping hole relative position between the in...

  • Page 19

    19 6.2 outdoor unit anchor bolt pitch 330 x 540 space necessary for installation 10cm 10cm 100cm unit : mm 3-way valve at gas side (low pressure) 2-way valve at liquid side (high pressure) 22 (124) (53.4) 33 0 62 2 16 7 97 69 (2 3 ) 61 32 540 160 824 68.5 37 299.

  • Page 20

    20 7. Refrigeration cycle diagram indoor outdoor intake temp. Sensor pipe temp. Sensor tank temp. Sensor intake temp. Sensor pipe temp. Sensor liquid side 2-way valve 3-way valve gas side cooling heat exchanger (evaporator) heat exchanger (condenser) heating compressor 4-way valve strainer expansion...

  • Page 21: 8. Block Diagram

    21 8. Block diagram 8.1 indoor power supply connection sin g le ph as e pow e r su p p ly 1Ø 230v 50 h z sc t em per a t u re fu s e m 1 fu s e 1 03 fu s e 5 01 f us e 500 3 1 (i n d oor u n it) (o u t d oor u n it) u f u se 10 4 pt c 2 no ise fil te r c t 101 re a c t o r nt c th 1 ry -p w r ry -a ...

  • Page 22

    22 8.2 outdoor power supply connection s ing le phase p owe r su pp ly 1Ø 230v 50hz sc t e m p e r a t ure fu s e m 1 f u se 10 3 f us e 501 3 1 (i ndo o r uni t ) (o ut do o r uni t ) u f us e 104 pt c 2 no ise fil ter ct 101 re a c to r nt c th 1 ry -p w r ry -a c pt c 1 c103 ic19 ms 3~ ms 3~ f us...

  • Page 23

    23 9. Wiring connection diagram 9.1 indoor unit t t re m ot e c ont rol le r e l e c t ron ic c ont rol l e r (re c ei v er ) li ght s ens or cn –d isp ( y lw ) c om m uni c a ti on c irc ui t gro und ing terminal y/g evapo rator cn–st m1 (wht) cn–st m2 (ylw ) cn–r mt (wht) 4 1 cn–cn t (wht) 1 br r ...

  • Page 24

    24 9.2 outdoor unit remarks; black; (blk) blue; (blu) white; (wht) red; (red) yellow; (ylw) gray; (gry) green; (grn) brown; (brw) orange; (org) yellow/green; (ylw/grn) ms 3~ ms 3~ fan motor base pan heater blu 1 1 10 14 16 ic19 3 w u v 5 5 blu 3 1 grn grn wht wht blk yl w /g rn blk red data (red) ac...

  • Page 25

    25 10. Electronic circuit diagram 10.1 indoor unit cl o c k mo d e a ir c o nd it io n e r off /o n set c h ec k r e s et ac rc on of f se t ca n ce l 123 ti m e r ec o n a v i +8/ 10° c he a t mo d e tem p fa n s pe ed ai r s w in g po w er ful /q uie t +8/ 10° c he at c o m m uni ca ti on c irc ui...

  • Page 26

    26 10.2 outdoor unit ms 3 ~ ms 3 ~ fan motor base pan heater blu 1 1 2 3 4 10 14 16 3 w u v 5 5 blu 3 1 grn grn wht wht blk yl w /g rn blk data (red) red ac-wht (wht) fg1 (grn) fg2 (grn) fuse 103 (20a 250v) rat2 (gry) rat1 (gry) reactor gry gry noise filter circuit pfc circuit rectification circuit ...

  • Page 27: 11.  Printed Circuit Board

    27 11. Printed circuit board 11.1 indoor unit 11.1.1 main printed circuit board ac303 ry-pwr cn-stm1 cn-stm2 cn-stm4 cn-rcv cn-disp cn-cnt cn-th cn-fm jp1 (random auto restart enable/disable) cn-rmt 11.1.2 indicator printed circuit board led301 led302 led304 led305 led307 led306 cn-disp led303.

  • Page 28

    28 11.1.3 receiver printed circuit board cn-rcv 11.1.4 fuse printed circuit board acl501 acn501 acl502 acn502.

  • Page 29

    29 11.2 outdoor unit 11.2.1 main printed circuit board cn-tank cn-mtr1 cn-s cn-hot cn-stm cn-mtr2 data ac-blk ac-wht cn-th1 current transformer (ct) power transistor (ipm).

  • Page 30

    30 12. Installation instruction 12.1 select the best location 12.1.1 indoor unit  do not install the unit in excessive oil fume area such as kitchen, workshop and etc.  there should not be any heat source or steam near the unit.  there should not be any obstacles blocking the air circulation.  a...

  • Page 31

    31 12.2 indoor unit 12.2.1 how to fix installation plate the mounting wall shall be strong and solid enough to prevent it from vibration. 3 4 5 6 wall wall wall installation plate 1 2 screw more than more than indoor unit 128 mm 241.5 mm 128 mm more than for best strength of indoor unit installation...

  • Page 32

    32 12.2.3 indoor unit installation do not turn over the unit without it’s shock absorber during pull out the piping. It may cause intake grille damage. Use shock absorber during pull out the piping to protect the intake grille from damage. Push push piping intake grille pull out the pip ing push pus...

  • Page 33

    33 rear view for left piping installation drain cap drain hose • how to pull the piping and drain hose out, in case of the embedded piping. Pvc tube for drain hose indoor unit 100 mm piping cable apply putty or caulking material to seal the wall opening. Connection cable piping more than 470 m m mo ...

  • Page 34

    34 7. Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 × 1.5 mm 2 flexible cord, type designation 60245 iec 57 or heavier cord. Do not use joint connection cable. Replace the wire if the existing wire (from concealed wiring, or otherwise) is too short...

  • Page 35

    35 tape connection cable terminal board control board earth wire longer than others ac wires for safety reason holder indoor & outdoor connection cable outdoor unit a b d c recommended length (mm) recommended length (mm) a b c d 50 40 35 60 4 6. Secure the connection cable onto the control board wit...

  • Page 36

    36 12.2.4.4 cutting and flaring the piping 1 please cut using pipe cutter and then remove the burrs. 2 remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe. 3 please make flare after inserting the f...

  • Page 37

    37 12.3 outdoor unit 12.3.1 install the outdoor unit  after selecting the best location, start installation to indoor/outdoor unit installation diagram. 1 fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). 2 when installing at roof, please consider strong wind and...

  • Page 38

    38 12.3.2.2 connecting the piping to outdoor decide piping length and then cut by using pipe cutter. Remove burrs from cut edge. Make flare after inserting the flare nut (locate at valve) onto the copper pipe. Align center of piping to valve and then tighten with torque wrench to the specified torqu...

  • Page 39

    39 12.3.4 connect the cable to the outdoor unit 1. Remove the control board cover from the unit by loosening the screw. 2. Connect cables to the unit. 12.3.4.1 in case of indoor power supply 3. Connection cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 × 1.5 m...

  • Page 40

    40 terminals on the indoor unit colour of wires (connection cable) terminals on the outdoor unit terminals on the isolating devices (disconnecting means) (power supply cord) l n 1 2 3 (l) (n) 1 2 3 l n 6. Secure the power supply cord and connection cable onto the control board with the holder. 7. At...

  • Page 41: 13.  Operation and Control

    41 13. Operation and control 13.1 basic function inverter control, which equipped with a microcomputer in determining the most suitable operating mode as time passes, automatically adjusts output power for maximum comfort always. In order to achieve the suitable operating mode, the microcomputer mai...

  • Page 42

    42 13.1.5 automatic operation  this mode can be set using remote control and the operation is decided by remote control setting temperature, remote control operation mode and indoor intake air temperature.  during operation mode judgment, indoor fan motor (with speed of lo-) is running for 30 seco...

  • Page 43

    43 ii. Auto fan speed [cooling, dry]  according to room temperature and setting temperature, indoor fan speed is determined automatically.  the indoor fan will operate according to pattern below. A b c d e f g h [1 pattern : 10 s] a b higher fan speed medium lower [fan]  indoor fan speed is fixed...

  • Page 44

    44 13.4.1 vertical airflow operation mode airflow direction upper vane angle (°) lower vane angle (°) 1 2 3 4 5 1 2 3 4 5 heating auto with heat exchanger temperature a 25 17 b 55 37 c 25 17 summer house 55 37 manual 20 45 55 65 70 17 27 37 47 56 cooling and fan auto 45 ~ 70 2 ~ 39 manual 20 25 50 5...

  • Page 45

    45 2. Manual horizontal airflow direction can be set using remote control; the angles of the vane are as stated below and the positions of the vane are as figure 2 above. Pattern 1 2 3 4 5 airflow direction patterns at remote control vane angle (°) 90 65 77.5 102.5 115 13.5 quiet operation (cooling ...

  • Page 46

    46 c. Control contents a. Fan speed manual 1. Fan speed is changed from normal setting to quiet setting of respective fan speed. This is to reduce sound of hi, me, lo for 3db. 2. Fan speed for quiet operation is reduced from setting fan speed. B. Fan speed auto 1. Indoor fm rpm depends on pipe temp ...

  • Page 47

    47 13.10 indication panel led power timer +8/10°c heat deice powerful quiet econavi color green orange green blue orange orange green light on operation on timer setting on +8/10°c heat on deice on powerful mode on quiet mode on econavi on light off operation off timer setting off +8/10°c heat off d...

  • Page 48

    48 13.11 econavi operation  econavi start condition: when econavi button is pressed.  econavi stop conditions: when econavi button is pressed again. When unit is off by off/on button. When unit is off when off timer activates. When unit is off by auto off/on button at indoor unit. When powerful, q...

  • Page 49

    49 13.11.1.2 judge sunlight intensity  based on sunlight sensor output voltage, the sunlight intensity value will be computed and logged to sunlight intensity database.  the sunlight sensor sensitivity could be adjusted: set press & release press to choose no.2 remote control normal mode set sensi...

  • Page 50

    50 13.11.1.3 judge ambient condition  according to sunlight intensity over a period of time, the system will analyze the ambient condition is sunny, cloudy or night. 13.11.1.4 temperature shift set temperature heat cool/dry +1 °c -1 °c -1 °c ambient condition mode econavi ; detecting sunlight inten...

  • Page 51

    51  to disable sunlight sensor check mode o after check mode is ended (5 minutes counter elapsed), press auto off/on button at indoor unit. O if the sunlight sensor detected sunlight intensity is at abnormal range, the check mode will be ended. Please check for error code. 13.11.1.6 sunlight sensor...

  • Page 52

    52 13.12 +8/10°c heat operation  +8/10°c heat operation provides heating at low setting temperature in unoccupied houses during winter for the purpose of protecting equipments or housing appliances which may be destroyed by the extreme cold weather.  this operation can be on by pressing the +8/10°...

  • Page 53: 14.  Protection Control

    53 14. Protection control 14.1 protection control for all operations 14.1.1 restart control (time delay safety control)  the compressor will not turn on within 3 minutes from the moment operation stops, although the unit is turned on again by pressing off/on button at remote control within this per...

  • Page 54

    54 14.1.4 compressor overheating prevention control instructed frequency for compressor operation will be regulated by compressor discharge temperature. The changes of frequency are as below. If compressor discharge temperature exceeds 103 ° c, compressor will be stopped, occurs 4 times per 20 minut...

  • Page 55

    55 14.2 protection control for cooling & soft dry operation 14.2.1 outdoor air temperature control  the compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the diagram below.  this control will begin 1 minute after the compressor starts.  compresso...

  • Page 56

    56 14.2.6 dew prevention control 2  to prevent dew formation at indoor unit discharge area.  this control starts if all conditions continue for 20 minutes: o operated with cooling or soft dry mode. O indoor intake temperature is between 25°c and 29°c. O outdoor air temperature is less than 30°c. O...

  • Page 57

    57 14.3.3 overload protection control  the compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown below.  if the heat exchanger temperature exceeds 60°c, compressor will stop. 49°c 46°c 60°c 52°c indoor heat exchanger temp. Off free frequency reduce...

  • Page 58: 15.  Servicing Mode

    58 15. Servicing mode 15.1 auto off/on button auto operation test run operation (forced cooling operation) test run operation (forced heating operation) beep 5 sec 5 sec stop stop beep × 2 auto off/on button pressed auto off/on button pressed auto off/on button pressed 1 auto operation mode the auto...

  • Page 59

    59 4 remote control receiving sound off/on mode the remote control receiving sound off/on mode will be activated if the auto off/on button is pressed continuously for more than 16 seconds (4 “beep” sounds will occur at 16th seconds to identify the remote control receiving sound off/on mode is in sta...

  • Page 60: 16.  Troubleshooting Guide

    60 16. Troubleshooting guide 16.1 refrigeration cycle system in order to diagnose malfunctions, make sure that there are no electrical problems before inspecting the refrigeration cycle. Such problems include insufficient insulation, problem with the power source, malfunction of a compressor and a f...

  • Page 61

    61 16.1.1 relationship between the condition of the air conditioner and pressure and electric current condition of the air conditioner cooling mode heating mode low pressure high pressure electric current during operation low pressure high pressure electric current during operation insufficient refr...

  • Page 62

    62 16.2 breakdown self diagnosis function 16.2.1 self diagnosis function (three digits alphanumeric code)  once abnormality has occurred during operation, the unit will stop its operation, and timer led blinks.  although timer led goes off when power supply is turned off, if the unit is operated u...

  • Page 63

    63 16.3 error code table diagnosis display abnormality / protection control abnormality judgment protection operation problem check location h00 no memory of failure — normal operation — — h11 indoor/outdoor abnormal communication after operation for 1 minute indoor fan only operation can start by e...

  • Page 64

    64 h59 eco sensor abnormality continuous for 70s — eco sensor open or short circuit  eco sensor  eco and indoor pcb h64 outdoor high pressure sensor abnormality continuous for 1 minutes — high pressure sensor open circuit during compressor stop  high pressure sensor  lead wire and connector h70 ...

  • Page 65

    65 16.4 self-diagnosis method 16.4.1 h11 (indoor/outdoor abnormal communication) malfunction decision conditions  during startup and operation of cooling and heating, the data received from outdoor unit in indoor unit signal transmission is checked whether it is normal. Malfunction caused  faulty ...

  • Page 66

    66 16.4.2 h12 (indoor/outdoor capacity rank mismatched) malfunction decision conditions  during startup, error code appears when different types of indoor and outdoor units are interconnected. Malfunction caused  wrong models interconnected.  wrong indoor unit or outdoor unit pcbs mounted.  indo...

  • Page 67

    67 16.4.3 h14 (indoor intake air temperature sensor abnormality) malfunction decision conditions  during startup and operation of cooling and heating, the temperatures detected by the indoor intake air temperature sensor are used to determine sensor errors. Malfunction caused  faulty connector con...

  • Page 68

    68 16.4.4 h15 (compressor temperature sensor abnormality) malfunction decision conditions  during startup and operation of cooling and heating, the temperatures detected by the outdoor compressor temperature sensor are used to determine sensor errors. Malfunction caused  faulty connector connectio...

  • Page 69

    69 16.4.5 h16 (outdoor current transformer) malfunction decision conditions  an input current, detected by current transformer ct, is below threshold value when the compressor is operating at certain frequency value for 3 minutes. Malfunction caused  lack of gas  broken ct (current transformer) ...

  • Page 70

    70 16.4.6 h19 (indoor fan motor – dc motor mechanism locked) malfunction decision conditions  the rotation speed detected by the hall ic during fan motor operation is used to determine abnormal fan motor (feedback of rotation > 2550rpm or malfunction caused  operation stops due to short circuit in...

  • Page 71

    71 16.4.7 h23 (indoor pipe temperature sensor abnormality) malfunction decision conditions  during startup and operation of cooling and heating, the temperatures detected by the indoor heat exchanger temperature sensor are used to determine sensor errors. Malfunction caused  faulty connector conne...

  • Page 72

    72 16.4.8 h27 (outdoor air temperature sensor abnormality) malfunction decision conditions  during startup and operation of cooling and heating, the temperatures detected by the outdoor air temperature sensor are used to determine sensor errors. Malfunction caused  faulty connector connection.  f...

  • Page 73

    73 16.4.9 h28 (outdoor pipe temperature sensor abnormality) malfunction decision conditions  during startup and operation of cooling and heating, the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor errors. Malfunction caused  faulty connector connection. ...

  • Page 74

    74 16.4.10 h30 (compressor discharge temperature sensor abnormality) malfunction decision conditions  during startup and operation of cooling and heating, the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor errors. Malfunction caused  faulty conn...

  • Page 75

    75 16.4.11 h32 (outdoor heat exchanger temperature sensor 2 abnormality) malfunction decision conditions  during startup and operation of cooling and heating, the temperatures detected by the outdoor heat exchanger temperature sensor are used to determine sensor errors. Malfunction caused  faulty ...

  • Page 76

    76 16.4.12 h33 (unspecified voltage between indoor and outdoor) malfunction decision conditions  the supply power is detected for its requirement by the indoor/outdoor transmission. Malfunction caused  wrong models interconnected.  wrong indoor unit and outdoor unit pcbs used.  indoor unit or ou...

  • Page 77

    77 16.4.13 h34 (outdoor heat sink temperature sensor abnormality) malfunction decision conditions  during startup and operation of cooling and heating, the temperatures detected by the outdoor heat sink temperature sensor are used to determine sensor errors. Malfunction caused  faulty connector co...

  • Page 78

    78 16.4.14 h36 (outdoor gas pipe sensor abnormality) malfunction decision conditions  during startup and operation of cooling and heating, the temperatures detected by the outdoor gas pipe temperature sensor are used to determine sensor errors. Malfunction caused  faulty connector connection.  fa...

  • Page 79

    79 16.4.15 h37 (outdoor liquid pipe temperature sensor abnormality) malfunction decision conditions  during startup and operation of cooling and heating, the temperatures detected by the outdoor liquid pipe temperature sensor are used to determine sensor errors. Malfunction caused  faulty connecto...

  • Page 80

    80 16.4.16 h97 (outdoor fan motor – dc motor mechanism locked) malfunction decision conditions  the rotation speed detected by the hall ic during fan motor operation is used to determine abnormal fan motor. Malfunction caused  operation stops due to short circuit inside the fan motor winding.  op...

  • Page 81

    81 16.4.17 h98 (error code stored in memory and no alarm is triggered / no timer led flashing) malfunction decision conditions  indoor high pressure is detected when indoor heat exchanger is detecting very high temperature when the unit is operating in heating operation.  phenomena: unit is stoppi...

  • Page 82

    82 16.4.18 h99 (indoor freeze prevention protection: cooling or soft dry) error code will not display (no timer led blinking) but store in eeprom malfunction decision conditions  freeze prevention control takes place (when indoor pipe temperature is lower than 2°c) malfunction caused  air short ci...

  • Page 83

    83 16.4.19 f11 (4-way valve switching failure) malfunction decision conditions  when indoor heat exchanger is cold during heating (except deice) or when indoor heat exchanger is hot during cooling and compressor operating, the 4-way valve is detected as malfunction. Malfunction caused  indoor heat...

  • Page 84

    84 16.4.20 f17 (indoor standby units freezing abnormality) malfunction decision conditions  when the different between indoor intake air temperature and indoor pipe temperature is above 10°c or indoor pipe temperature is below -1.0°c. Remark: when the indoor standby unit is freezing, the outdoor un...

  • Page 85

    85 16.4.21 f90 (power factor correction protection) malfunction decision conditions  to maintain dc voltage level supply to power transistor.  to detect high dc voltage level after rectification. Malfunction caused  during startup and operation of cooling and heating, when power factor correction...

  • Page 86

    86 16.4.22 f91 (refrigeration cycle abnormality) malfunction decision conditions  the input current is low while the compressor is running at higher than the setting frequency. Malfunction caused  lack of gas.  3-way valve close. Troubleshooting yes no, gas amount is ok no, closed when f91 indica...

  • Page 87

    87 16.4.23 f93 (compressor rotation failure) malfunction decision conditions  a compressor rotation failure is detected by checking the compressor running condition through the position detection circuit. Malfunction caused  compressor terminal disconnect  faulty outdoor pcb  faulty compressor t...

  • Page 88

    88 16.4.24 f95 (outdoor high pressure protection: cooling or soft dry) malfunction decision conditions  during operation of cooling or soft dry, when outdoor unit heat exchanger high temperature data is detected by the outdoor unit heat exchanger thermistor. Malfunction caused  outdoor heat exchan...

  • Page 89

    89 16.4.25 f96 (ipm overheating) malfunction decision conditions  during operating of cooling and heating, when ipm temperature data (100°c) is detected by the ipm temperature sensor. Multi models only o compressor overheating: during operation of cooling and heating, when the compressor ol is acti...

  • Page 90

    90 16.4.26 f97 (compressor overheating) malfunction decision conditions  during operation of cooling and heating, when compressor tank temperature data (112°c) is detected by the compressor tank temperature sensor. Malfunction caused  faulty compressor tank temperature sensor  2/3 way valve close...

  • Page 91

    91 16.4.27 f98 (input over current detection) malfunction decision conditions  during operation of cooling and heating, when an input over-current (x value in total running current control) is detected by checking the input current value being detected by current transformer (ct) with the compresso...

  • Page 92

    92 16.4.28 f99 (dc peak detection) malfunction decision conditions during startup and operation of cooling and heating, when inverter dc peak data is received by the outdoor internal dc peak sensing circuitry. Malfunction caused  dc current peak due to compressor failure.  dc current peak due to d...

  • Page 93

    93 warning 17. Disassembly and assembly instructions high voltage is generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding with repair work. Failure to heed this caution may result in electric shocks. 17.1 indoor unit 17.1.1 ...

  • Page 94

    94 10. Detach 7 connectors as labeled from the electronic controller. Then pull out electronic controller gently. 7. Detach the connectors cn2 (black), gnd (green), and cn1 (white) then remove the high voltage generator. 9. Pull out the electronic controller halfway. 8. Remove screw to remove termin...

  • Page 95

    95 17.1.1.4 to remove control board figure 6 17.1.1.5 to remove cross flow fan and indoor fan motor figure 7.

  • Page 96

    96 figure 8 figure 9.

  • Page 97

    97 figure 10

  • Page 98

    98 17.2 outdoor electronic controller removal procedure caution! When handling electronic controller, be careful of electrostatic discharge. 1. Remove the 5 screws of the top panel. Fig. 1 2. Remove the 8 screws of the front panel. Fig. 2 3. Remove the screw of the terminal board cover. 4. Remove th...

  • Page 99: 18.  Technical Data

    99 18. Technical data technical data provided are based on the air conditioner running under free frequency. 18.1 cool mode performance data unit setting: standard piping length, hi fan, cool mode at 16°c voltage: 230v 18.1.1 cs-hz9rke / cu-hz9rke cs-hz9rke-4 / cu-hz9rke-4 cs-az9rke / cu-az9rke indo...

  • Page 100

    100 18.2 heat mode performance data unit setting: standard piping length, hi fan, heat mode at 30°c voltage: 230v 18.2.1 cs-hz9rke / cu-hz9rke cs-hz9rke-4 / cu-hz9rke-4 cs-az9rke / cu-az9rke indoor (°c) outdoor wb (°c) db -20/-21 -15/-16 -10/-11 -7/-8 2/1 7/6 12/11 tc ip tc ip tc ip tc ip tc ip tc i...

  • Page 101: 19.  Service Data

    101 19. Service data service data provided are based on the air conditioner running under rated frequency during forced cooling / forced heating mode. 19.1 cool mode outdoor air temperature characteristic condition  room temperature: 27/19°c, cooling characteristic  fan: high  piping length: 5.0 ...

  • Page 102

    102 19.1.2 cs-hz12rke / cu-hz12rke c u rrent (a ) lo w p res su re (mp a) outdoor air temperature (ºc) outdoor air temperature (ºc) o u tlet a ir (ºc ) outdoor air temperature (ºc) 2.00 2.50 3.00 3.50 4.00 4.50 5.00 15 20 25 30 35 40 45 50 0.85 0.90 0.95 1.00 1.05 1.10 15 20 25 30 35 40 45 50 11.50 ...

  • Page 103

    103 19.2 heat mode outdoor air temperature characteristic condition  room temperature: 20°c, heating characteristic  fan: high  piping length: 5.0 m  freq: rated fh 19.2.1 cs-hz9rke / cu-hz9rke cs-hz9rke-4 / cu-hz9rke-4 cs-az9rke / cu-az9rke c u rren t (a ) h igh p res su re (mp a) outdoor air t...

  • Page 104

    104 19.2.2 cs-hz12rke / cu-hz12rke c u rren t (a ) h igh p res su re (mp a) outdoor air temperature (ºc) outdoor air temperature (ºc) o ut le ta ir (ºc ) outdoor air temperature (ºc) -25 -20 -15 -10 -5 0 5 10 -25 -20 -15 -10 -5 0 5 10 -25 -20 -15 -10 -5 0 5 10 1.50 2.00 2.50 3.00 3.50 4.00 4.50 1.4 ...

  • Page 105

    105 19.3 piping length correction factor the characteristic of the unit has to be corrected in accordance with the piping length. 19.3.1 cooling capacity piping length (m) cap a ci ty c o rr ection f a ctor 0.94 0.95 0.96 0.97 0.98 0.99 1.00 1.01 1.02 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20...

  • Page 106

    106 20. Exploded view and replacement parts list 20.1 indoor unit clo ck mo de air co ndit io ne r off/on set che ck re se t ac rc o n o ff set cancel 1 2 3 t imer econavi +8 /10 °c heat mo de te mp fan speed air sw ing powerful/quiet +8/ 10°c heat 40 34 38 4 30 36 2 39 3 33 29 28 35 1 6 42 10 43 24...

  • Page 107

    107 safety ref. No. Part name & description qty cs-hz9rke cs-hz9rke-4 remark 1 chassy complete 1 cwd50c1893 ← 2 fan motor 1 arw7676accb ← o 3 cross - flow fan co. 1 cwh02c1137 ← 4 bearing assy 1 cwh64k1010 ← o 5 sensor complete 1 cwa50c2122 ← o 6 evaporator co. 1 cwb30c5060 ← 7 flare nut (liquid) 1 ...

  • Page 108

    108 safety ref. No. Part name & description qty cs-hz9rke cs-hz9rke-4 remark 49 installation instruction 1 cwf616872 ← (note)  all parts are supplied from papamy, malaysia (vendor code: 00029488).  “o” marked parts are recommended to be kept in stock..

  • Page 109

    109 safety ref. No. Part name & description qty cs-az9rke cs-hz12rke remark 1 chassy complete 1 cwd50c1893 ← 2 fan motor 1 arw7676accb ← o 3 cross - flow fan co. 1 cwh02c1137 ← 4 bearing assy 1 cwh64k1010 ← o 5 sensor complete 1 cwa50c2122 ← o 6 evaporator co. 1 cwb30c5060 ← 7 flare nut (liquid) 1 c...

  • Page 110

    110 safety ref. No. Part name & description qty cs-az9rke cs-hz12rke remark 49 installation instruction 1 cwf616872 ← (note)  all parts are supplied from papamy, malaysia (vendor code: 00029488).  “o” marked parts are recommended to be kept in stock..

  • Page 111

    111 20.2 outdoor unit 32 30 31 36 9 16 17 20 21 22 29 42 26 35 27 2 42 41 15 3 8 7 5 6 4 11 33 28 34 19 1 10 12 39 49 48 51 14 38 r 50 18 25 24 23 note the above exploded view is for the purpose of parts disassembly and replacement. The non-numbered parts are not kept as standard service parts..

  • Page 112

    112 safety ref. No. Part name & description qty cu-hz9rke cu-hz9rke-4 remark 1 chassy ass'y 1 cwd52k1359 ← 2 sound proof material 1 cwg302630 ← 3 fan motor bracket 1 cwd541167 ← 4 screw - fan motor bracket 2 cwh551217 ← 5 fan motor, dc 40w 3ph 1 ars6411ac ← o 6 screw - fan motor mount 4 cwh55252j ← ...

  • Page 113

    113 safety ref. No. Part name & description qty cu-az9rke cu-hz12rke remark 1 chassy ass'y 1 cwd52k1359 ← 2 sound proof material 1 cwg302630 ← 3 fan motor bracket 1 cwd541167 ← 4 screw - fan motor bracket 2 cwh551217 ← 5 fan motor, dc 40w 3ph 1 ars6411ac ← o 6 screw - fan motor mount 4 cwh55252j ← 7...