Cooper & Hunter CH-PT09HPGF Service Manual Download Page 30 | Manualshive

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Temp.

℃

/

℉

Resistance

KΩ

Temp.

℃

/

℉

Resistance

KΩ

Temp.

℃

/

℉

Resistance

KΩ

-10/14

62.2756

17/62

14.6181

44/111

4.3874

-9 /15.8

58.7079

18/64

13.918

45/113

4.2126

-8 /17.6

56.3694

19/66

13.2631

46/115

4.0459

-7 /19.4

52.2438

20/68

12.6431

47/117

3.8867

-6 /21.2

49.3161

21/70

12.0561

48/118

3.7348

-5 /23

46.5725

22/72

11.5

49/120

3.5896

-4 /24.8

44

23/73

10.9731

50/122

3.451

-3 / 26.6

41.5878

24/75

10.4736

51/124

3.3185

-2 / 28.4

39.8239

25/77

10

52/126

3.1918

-1 /30.2

37.1988

26/79

9.5507

53/127

3.0707

0 /32

35.2024

27/81

9.1245

54/129

2.959

1 /33.8

33.3269

28/82

8.7198

55/131

2.8442

2 /35.6

31.5635

29/84

8.3357

56/133

2.7382

3 /37.4

29.9058

30/86

7.9708

57/135

2.6368

4 /39.2

28.3459

31/88

7.6241

58/136

2.5397

5 /41

26.8778

32/90

7.2946

59/138

2.4468

6 /42.8

25.4954

33/91

6.9814

6.6835

6.4002

6.1306

5.8736

5.6296

5.3969

5.1752

4.9639

4.7625

4.5705

60/140

2.3577

7 /44.6

24.1932

34/93

6.6835

61/142

2.2725

8 /46.4

22.5662

35/95

6.4002

62/144

2.1907

9 /48.2

21.8094

36/97

6.1306

63/145

2.1124

10 /50

20.7184

37/99

5.8736

64/147

2.0373

11 /51.8

19.6891

38/100

5.6296

65/149

1.9653

12 /53.6

18.7177

39/102

5.3969

66/151

1.8963

13 /55.4

17.8005

40/104

5.1752

67/153

1.830

14 /57.2

16.9341

41/106

4.9639

68/154

1.7665

15 /59

16.1156

42/108

4.7625

69/156

1.7055

16 /60.8

15.3418

43/109

4.5705

70/158

1.6469

Characteristic of temperature sensor

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Summary of Contents for CH-PT09HPGF

Page 1: ...AL AIR CONDITIONER WITH HEAT PUMP SERVICE MANUAL Model CH PT09HPGF Designed by Cooper Hunter International Corporation Oregon USA www cooperandhunter com For proper operation please read and keep this manual carefully ...

Page 2: ...motor 5 5 Operation of compressor 5 6 Dip switches and Jumper selection 5 7 Functions for Front desk switch panel and Wire Controller 6 Unit components 7 Installation details 7 1 How to install the unit 7 2 Care and cleaning 8 Operation characteristics 8 1 Cooling operation 8 2 Heating operation 9 Power connection options 10 Troubleshooting P1 4 P1 P1 4 P5 7 P8 P9 P10 16 P10 P10 P10 P10 12 P12 P13...

Page 3: ...the product There is risk of fire or electric shock Install the panel and the cover of control box securely There is risk of fire of electric shock Always install a dedicated circuit and breaker Improper wiring or installation may cause fore or electric shock Use the correctly rated breaker of fuse There is risk of fire or electric shock Do not modify or extend the power cab There is risk of fire ...

Page 4: ...ith wet hands There is risk of fire or electric shock Do not place a heater or other appliance near the power cable There is risk of fire and electric shock Do not allow water to run into electric parts It may cause fire failure of the product or electric shock Do not store or use flammable gas or combustible near the product There is risk of fire or failure of product Do not use the product in a ...

Page 5: ...t damage or failure or unintended operation Take care to ensure that nobody could step on or fall onto the outdoor unit This could result in personal injury and product damage CAUTION Always check for gas refrigerant leakage after installation or repair of product Low refrigerant levels may cause failure of product Install the drain hose to ensure that water is drained away properly A bad connecti...

Page 6: ...ry A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage Do not insert hands or other object through air inlet or outlet while the product is operated There are sharp and moving parts that could cause personal injury Do not drink the water drained from the product It is not sanitary could cause serious healthissues Use a firm stool or ladder whe...

Page 7: ...runs in continuous mode HEAT The range of set temperature is 17 62 29 84 For heat pump models the unit can alternate to run between in reverse cycle heat mode and electric heater mode according to the difference between the setting temperature and the room temperature The fan motor cycles on and off with the compressor and electric heater NOTE The reverse cycle and electric heater can not be run a...

Page 8: ...ush this button the fan speed cycles through the settings as follows HIGH MED LOW HIGH DISPLAYS Shows the set temperature in or While on Fan only mode it shows the room temperature Control code LC Pads on the control panel is not available The unit can be set by using wire controller only Note When receiving the wired remote control signal display LC Or when wired remote control signal is not rece...

Page 9: ...condenser temperature sensor T3 oS Open or short circuit of outside temperature sensor T4 HS Open or short circuit of exhaust temperature sensor T5 or T6 Other codes LO Room temperature is lower than 0 32 HI Room temperature is higher than 37 99 E4 Communication malfunction between main control board and display board LE Drive by wire controller failure 7 ...

Page 10: ...r net Dimension 2 no rear grille and rear net but include sleeve Dimension 3 include sleeve and rear net Dimension 4 include sleeve rear net and rear grille WxHxD mm WxHxD inch 1067x406x532 42 0x15 9x20 9 1067x408x578 42 0x16 0x22 8 1067x408x588 42 0x16 0x23 1 1067x408x606 42 0x16 0x23 9 8 ...

Page 11: ...lled the refrigeration system This will help to understand the refrigeration cycle and the flow of the refrigerant in the Heat Pump Cycle LIQUID SIDE HEAT EXCHANGE EVAPORATOR CHECK VALVE Heating Model only CAPILIARY TUBE HEAT EXCHANGE CONDENSER GAS SIDE ACCUMULATOR COMPRESSOR REVERSING VALVE Heating Model only COOLING HEATING 9 ...

Page 12: ...tion function 5 3 1 The compressor functions protection with a delay of three minutes 5 3 2 Sensor protection at open or short circuit 5 3 3 Evaporator anti freezing protection at cooling mode 5 4 Operation of fan motor 5 4 1 Fan motor is on when compressor is on Fan motor is off when compressor is off except theT2 high Temp protection If there s only one speed of the fan motor use the high speed ...

Page 13: ...motor operates at the heat pump and cooling mode see FIG B T4 Operate on low speed T03 T04 Operate on high speed FIG B When T4 T03 and lasts for 1 minute the fan motor will operates at low speed When T4 T04 and lasts for 1 minute the fan motor will operates at high speed When T04 T4 T03 A If fan motor is off originally it will operate at high speed B If fan motor is on originally it will keep on w...

Page 14: ... fan motor heater stop working 5 5 Operation of compressor 5 5 1 The compressor operates at cooling mode as below Operation condition T1 Ts 0 4 T1 Ts Compressor on Compressor off compressor on T1 Ts 4 compressor off 5 5 2 The compressor operates at heating mode There are two ways of heating mode Heat pump and cooling Electric heater and cooling The electrical heater or compressor will be activated...

Page 15: ... motor will be off If the T2 protection gets started the fan motor also does not work 5 5 2 2 The Heat pump operates as below The Heat pump s operation mode is in accordance with the way of compressor s working The compressor is on electric heater is off the fan motor operates according to the anti cold wind of heat pump The four way valve always keeps on When T1 Ts 2 the compressor is on and when...

Page 16: ...erature can t be higher than 29 84 Electric Heat Only for heat pump unit only This setting is typically used for Emergency Heating Wall Thermostat Enable A wired wall thermostat can be connected to the unit If it is this dip switch must be moved to the Wall Thermostat Enable Position before the wall thermostat will begin control Set point Temperature Limits Provides a restricted range of temperatu...

Page 17: ... how to connect the units 2 Wired controller the digital LED will display LC Reserved if a wired controller is connected if the communication portal is one way the buttons on the control panel will be invalid Note This wired controller is optional and it s matched with the switch board FRONT DESK SWITCH PANEL ROOM 100 ROOM 101 ROOM N FIELD SUPPLIED 24V TRANSFORMER SEE NOTE1 Black White Black White...

Page 18: ...n Quantity of PTAC units x 1va Transformer Size va Example 110 PTAC units x1va 110va Transformer 2 Following are American Wire Gauge recommended sizes AWG WIRE SIZE NO 24 22 20 18 16 MAX LENGTH ft 400 600 900 1500 2000 6 Unit components Decomposition figure 16 ...

Page 19: ...stallation figure 7 Installation details 7 1 How to install the unit iINSTALLATION CAUTION There are sharp edges that can cause serious cuts When lifting the air conditioner it is HEAVY Use 2 people to lift 17 ...

Page 20: ...make sure the unit is installed securely and firmly When installing the sleeve make certain there is Dimension of air conditioner nothing within 20 of the back that would interfere with heat radiation and exhaust air flow See Fig 2 PREPARATION OF SLEEVE ASSEMBLY optional Refer to the installation instruction of sleeve assembly for details UNIT INSTALLATION Carefully remove shipping tapes from the ...

Page 21: ...d cleaning FRONT PANEL AND CASE Turn unit off and disconnect power supply To clean use water and a mild detergent Do not use bleach and abrasivers Some commercial cleaners may damage the plastic parts OUTDOOR COIL Coil on outdoor side of unit should be checked regularly Unit will need to be removed to inspect dirt build up that will occur on the inside of the coil If clogged with dirt and soot coi...

Page 22: ...an the vent filter twice a year or as required Make sure to remove the shipping screw from the vent door See Fig 5 Rotate the vent control lever to open the vent door See Fig 6 Remove four screws from the vent door filter See Fig 12 First pull out the vent door steel wire from the hole of the vent door then take off the vent door and filter See Fig 12 Clean the filter Dry thoroughly before placing...

Page 23: ...tdoor air temp DB Indoor air temp DB 8 Operation characteristics 8 1 Cooling operation 45 40 35 30 25 20 5 10 15 20 25 30 35 40 Indoor air temp DB 8 2 Heating operation 35 30 25 20 15 5 5 15 25 Outdoor air temp DB 21 ...

Page 24: ...d be within reach of the service cord The standard cord connected 265V units require an accessory electrical subbase for operation Power Cord Protection The power cord for230 208v units provide power cord fire protection Unit power automatically disconnects when unsafe conditions are detected Power to the unit can be restored by pressing the reset button on plug head Upon completion of unit instal...

Page 25: ...S Open or short circuit of T3 temperature sensor oS Open or short circuit of T4 temperature sensor HS Open or short circuit of T5 or T6 temperature sensor Lo Temperature is lower than display range 0 32 HI Temperature is higher than display range 37 99 E4 Communication malfunction between main control board and display board LE Drive by wire control failure ...

Page 26: ...ons If the sampling voltage is lower than 0 06V or higher than 4 94V the LED will display the failure Supposed causes Wiring mistake Faulty sensor Faulty PCB Troubleshooting Check the connection between temperature sensor and PCB Correct the connection No Yes Replace indoor main PCB Measure the resistance value of the sensor Repalce the sensor No Yes 24 T1 T2 T3 T4 T5 T6 ...

Page 27: ...upposed causes Wiring mistake Faulty display board Faulty main control board Troubleshooting 25 Communication malfunction between main control board and display board Check the signal wire between the Display board and the main board is it connected good Reconnect and retry Is error still display Replace display board Is error still display Replace the main control board No Yes Yes Trouble is solv...

Page 28: ...N Low fan speed GL HI FAN High fan speed GH 4 WAY 4 way valve for heat pump model B HEAT2 Electrical heater 2 W HEAT1 Electrical heater 1 W COMP Compressor Y 24V N 24VAC terminal N COM C 24V L 24VAC terminal L R 26 Drive by wire controller failure Check whether the wiring between controller and dip switch board is correct Wire controller doesn t match change the wire controller Yes No reconnection...

Page 29: ... The unit may be set for instead of UNIT MAKING NOISES Clicking gurging and whooshing noises are normal during operation of unit WATER DRIPPING OUTSIDE If a drain kit has not been installed condensation runoff during very hot and humid weather is normal See Note 2 If a drain kit has been installed and is connected to a drain system check gaskets and fittings around drain for leaks and plugs WATER ...

Page 30: ...42 2 35 6 31 5635 29 84 8 3357 56 133 2 7382 3 37 4 29 9058 30 86 7 9708 57 135 2 6368 4 39 2 28 3459 31 88 7 6241 58 136 2 5397 5 41 26 8778 32 90 7 2946 59 138 2 4468 6 42 8 25 4954 33 91 6 9814 6 6835 6 4002 6 1306 5 8736 5 6296 5 3969 5 1752 4 9639 4 7625 4 5705 60 140 2 3577 7 44 6 24 1932 34 93 6 6835 61 142 2 2725 8 46 4 22 5662 35 95 6 4002 62 144 2 1907 9 48 2 21 8094 36 97 6 1306 63 145 ...

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