Hokkaido HKEN-HCNN 642XR Service Manual

Manual is about: Classic Line Air Conditioner with ozone-friendly refrigerant R410A

Summary of HKEN-HCNN 642XR

  • Page 1

    Classic line air conditioner service manual model: hken-hcnn 642xr l features l comfortable: wide -angle airflow l health air purifying l quiet operation l e nergy efficient.

  • Page 2

    Content: classic line air conditioner model: hken-hcnn 642 xr.

  • Page 3: Series Introduction

    Series introduction classic line air conditioner model: hken-hcnn 642 xr.

  • Page 4

    No. 1 2 3 operating condition norminal cooling norminal heating norminal electrical heating indoor air status db o c wb o c 20 o c not control db o c wb o c 7 o c 6 o c outdoor air status --- --- --- --- standard situation/conditions series brief introduction 1. Comfortable: wide-angle airflow the v...

  • Page 5: Specifications

    Specifications classic line air conditioner model: hken-hcnn 642 xr.

  • Page 6

    Specifications model: hken-hcnn 642 xr cooling capacity(w) 5800(720-6300)w heating capacity(w) 5800w(1080-7750)w cooling coefficient (w/w) 3.0 1 heating coefficient(w/w) 2.80 cooling power input (w) 19 30(310-2450)w heating power input(w) 2070w(430-2600)w moiture removal (m/h) 3 2.3 x10 -3 frequency...

  • Page 7

    Curves of performance of compressor classic line air conditioner model: hken-hcnn 642 xr.

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    150 90 100 110 120 130 140 curves of cooling capacity and heating capacity as a function of outdoor temperature (-7 o c~43 o c) 15 20 25 15 20 25 classic line air conditioner model: hken-hcnn 642 xr.

  • Page 9

    Description, dimension and function of main components and accessories classic line air conditioner model: hken-hcnn 642 xr.

  • Page 10

    Inlet grille air filter vertical flap power indicator timer mode indicator operation mode indicator remote signal receiver emergency switch(manual) test running switch(manual) use remote controller to adjust up and down air flow. (don't adjust it manually.) lights up when unit starts. Lights up when...

  • Page 11

    938 2 6 5 indoor unit for hken 642 xr net dimensions: 182 net dimensions: outdoor unit for hcnn 642 xr 583 113.5 690 810 classic line air conditioner model: hken-hcnn 642 xr.

  • Page 12: Knock-Down Drawings

    Knock-down drawings classic line air conditioner model: hken-hcnn 642 xr.

  • Page 13

    Model: hsu-18h03/r2(db) classic line air conditioner model: hken-hcnn 642 xr.

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    3 4 5 2 2 6 7 8 9 11 10 1 2 13 1 12 14 5 1 17 6 1 1 8 9 2 2 2 1 2 3 42 52 6 0 knock-down drawings for outdoor unit classic line air conditioner model: hken-hcnn 642 xr.

  • Page 15: Brief Introduction to

    Brief introduction to electrical control functions classic line air conditioner model: hken-hcnn 642 xr.

  • Page 16

    One. Basic control 1. Function display lights up when unit starts.Lights up when timer operation is selectedn; red 2. Temperature adjustment function in temperature adjustment function, operation frequency of outdoor unit is determined based on indoor temperature and set temperature. During wind spe...

  • Page 17

    Two. Operation mode: 1. Half-automatic operation mode half-automatic function is based on original automatic function. A. Cooling & heating model unit when system is on and operation mode switches to automatic, the system will determine operation mode based on the difference of current set temperatu...

  • Page 18

    * in case change of set temperature by remote control meets the condition of unit shut down or unit is powered off manually, the operation is not restricted by the 2-minute non-response feature and the unit will shut down immediately. 3.Dehumidification mode: *temperature control range:16---30℃ *tem...

  • Page 19

    Feature. *in case change of set temperature by remote control meets the condition of unit shut down or unit is powered off manually, the operation is not restricted by the 2-minute non-response feature and will shut down immediately. *anti current surge: external fan starts 2s after compressor is on...

  • Page 20

    Time count starts based on time difference between timing clock and current clock. Time off may be set and operation will stop when unit receives time off signal. Timed on may be set and operation will start when unit receives time on signal. Timed on/off may be set, which will be performed as per s...

  • Page 21

    ② rated heating a entry condition: the unit will enter rated heating upon receipt of remote control signal. B indoor unit will operate as per the following procedures when entering rated heating mode: air fan will enter manual high wind (or rated wind) operation, panel will display heating and rated...

  • Page 22

    One. System major function sensor code definition: tai= indoor ambient temperature, tao=outdoor ambient temperature, tc1=indoor coil, td= air discharge, te= outdoor coil, ts=air intake 1.1: outdoor unit operation frequency and control 1.1.1: compressor operation frequency control z compressor operat...

  • Page 23

    Above 15℃ low wind low wind high wind tao below 15℃ low wind high wind high wind 1.3: four-way valve control z defrosting four-way valve control,(please see defrosting process for details) time sequence of the defrosting operation is as follows: compressor outdoors fan motor four-way valve 60×9max z...

  • Page 24

    When one of the following conditions is met, defrosting operation will be switched to heating operation. ( 1):temperature of outdoor heat exchanger exceeds 7 for 80s continuously ℃ ( 2):temperature of outdoor heat exchanger exceeds 12 for 5s continuously ℃ ( 3):defrosting operation continues for 9 m...

  • Page 25

    Q: maintain the previous instruction cycle. R: rise at the speed of 1hz/10s if tc>=65℃,and continues for 5s,the unit will shutdown, outdoor fault indicator lamp will blink and fault will not be reported to indoor unit.。 when compressor shutdown exceeds 3 minutes, and tc restart. 2.4.Overcurrent prev...

  • Page 26

    3. Forced cooling: when receiving indoor forced cooling signal, cooling operation will start in a frequency signaled by indoor unit. Only air discharge temperature and overcurrent protection features are effective and other protection features are invalid. 4. Rated, middle and minimum capacity opera...

  • Page 27: Wiring Diagram

    Wiring diagram classic line air conditioner model: hken-hcnn 642 xr.

  • Page 28

    Classic line air conditioner model: hken-hcnn 642 xr.

  • Page 29

    (CN2) ACL (CN3) OUTDOOR UNIT WIRING DIAGRAM REACTOR NOTES: THE PART OF DOTTED IS OPTIONAL 4-WAY VALVE COMP.TEMP.SENSOR AMBIENT TEMP.SENSOR DEFROST OUTDOOR PCB CN11 CN10 CN9 FAN MOTOR TEMP.SENSOR t3.15a/250vac fuse CAP BOARD OR R W B BL COMPRESSOR M R(Y) spdu (ipdu) (CN4) ACN (CN1) W (CN5) P(+) (CN6)...

  • Page 30: Circuit  Diagram

    Circuit diagram classic line air conditioner model: hken-hcnn 642 xr.

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    1 2 3 4 5 6 a b c d 6 5 4 3 2 1 d c b a title number revision size b date: 8-dec-2004 sheet of file: c :\documents and settings \yindeyang \桌面 \原理 图 .Ddb drawn by: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 p04/int24 p05/int25 p06/int26 p61 p07/int27 p60 /...

  • Page 32

    1 2 3 4 5 6 7 8 a b c d 8 7 6 5 4 3 2 1 d c b a p33 1 p34 2 p35 3 p36 4 p37 5 p40 9 p41 10 p42 11 p43 12 p44 13 p45 14 p46 15 p47 16 test 20 reset 24 xin 18 xout 19 vss 17 varef 6 p22 23 p20 25 p00/int0 26 p01 27 p02 28 p03 29 p04 30 p05 31 p06 32 p07 33 p15 34 p14 35 p13 36 p12 37 p11 38 p10 39 p30...

  • Page 33: Abnormity Diagnose

    Abnormity diagnose classic line air conditioner model: hken-hcnn 642 xr.

  • Page 34

    Power timing running indoor outdoor resumable faulty indoor thermistor blinking off off * * sensor in short or broken current faulty indoor thermistor blinking on on * * sensor in short or broken current faulty eeprom blinking on blinking * * wrong data or no eeprom defrosting temperature sensor in ...

  • Page 35

    Classic line air conditioner model: hken-hcnn 642 xr outdoor fault report (led on outdoor unit pcb): model: hcnn 642 xr possible reason of malfunction eeprom malfunction ipm (inverter power module) protection ac overcurrent or ct sensor fault communication abnormal between the capacitor pcb and the ...

  • Page 36: Trouble  Shooting

    Trouble shooting classic line air conditioner model: hken-hcnn 642 xr.

  • Page 37

    Classic line air conditioner model: hken-hcnn 642 xr.

  • Page 38: Refrigerating Cycle Diagram

    Refrigerating cycle diagram classic line air conditioner model: hken-hcnn 642 xr.

  • Page 39

    Classic line air conditioner model: hken-hcnn 642 xr.

  • Page 40

    Noise level test chart and air velocity distribution classic line air conditioner model: hken-hcnn 642 xr.

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    Noise level test chart and air velocity distribution noise level test chart 0 10 20 30 40 50 60 63hz 125hz 250hz 500hz 1000hz 2000hz 4000hz 8000hz 0 10 20 30 40 50 60 db(a) indoor outdoor model: h ken-hcnn 642 xr db(a) classic line air conditioner model: hken-hcnn 642 xr.

  • Page 42

    Noise level test chart and air velocity distribution air velocity distribution model: h ken-hcnn 642 xr m fig 1 top view flow control panel horizal lourer:center fig 3 top view flow control panel horizal lourer:center 0.25 0.5 1.0 2.0 fig 4 top view flow control panel vertical lourer:center conditio...

  • Page 43: Installation Manual

    Installation manual classic line air conditioner model: hken-hcnn 642 xr.

  • Page 44

    No. Installation manual of room air conditioner drawing for the installation of indoor and outdoor units read this manual before installation 1.Driver 2.Hacksaw 3.Hole core drill 4.Spanner(17,19 and 26mm) 5.Torque wrench(17mm,22mm,26mm) 6.Pipe cutter 7.Flaring tool 8.Knife 9.Nipper 12.Reamer 10.Gas ...

  • Page 45

    Hken-hcnn 642 xr fixing of outdoor unit fix the unit to concrete or block with bolts( 10mm) and nuts firmly and horizontally. When fitting the unit to wall surface, roof or rooftop, fix a supporter surely with nails or wires in consideration of earthquake and strong wind. If vibration may affect the...

  • Page 46

    A=145mm b= 60mm 30mm 2.Making a hole on the wall and fitting the piping hole cover when the mounting plate is fixed side bar and lintel refer to the previous article, " when the mounting plate is first fixed ", for the position of wall hole. Fix to side bar and lintel a mounting bar, which is separa...

  • Page 47

    Indoor unit 3.Installation of the indoor unit drawing of pipe rear piping left left-rear piping draw pipes and the drain hose, then fasten them with the adhesive tape in case of left side piping, cut away, with a nipper, the lid for left piping. In case of left-rear piping, bend the pipes according ...

  • Page 48

    4.Connecting the indoor/outdoor electric cable removing the wiring cover remove terminal cover at right bottom corner of indoor unit, then take off wiring cover by removing its screws. Indoor unit when connecting the cable after installing the indoor unit 1. Insert from outside the room cable into l...

  • Page 49

    Outdoor unit 1.Installation of outdoor unit 2.Connection of pipes install according to to bend a pipe, give the roundness as large as possible not to crush the pipe ,and the bending radius should be 30 to 40 mm or longer. Connecting the pipe of gas side first makes working easier. The connection pip...

  • Page 50

    Outdoor unit 5.Purging method:to use vacuum pump detach the service port's cap of 3-way valve, the valve rod's cap for 2-way valve and 3-way's, connect the service port into the projection of charge hose (low) for gaugemanifold. Then connect the projection of charge hose (center) for gaugemanifold i...

  • Page 51

    1.Cut pipe 3.Insert the flare nut 4.Flare pipe it becomes high midway. The end is immersed in water. It waves. The gap with the ground is too small less than 5cm there is the bad smell from a ditch 2.Remove burs 0~0.5mm 1.0~1.5mm 1.5~2.0mm flare tool for r410a clutch-type conventional flare tool clu...

  • Page 52

    Termal srl via della salute, 14 40132 bologna - italy tel. +39.051.41.33.111 fax +39.051.41.33.112 www.Termalgroup.Com due to on-going technological development of the products by the manufacturer, we reserve the right to vary the technical specifications at any time without notice..