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Service manual

9. Model and Parameters

Model

MSR1-07HRN2-QB4(B6)

ACP-09CH25AEM

ACP-12CH35AEM

ACP-18CH50AEM

I3SEC

8.5A

10.0A

12.0A

16.0A

I5MIN

6.5A

7.5A

8.5A

15.0A

IFAN

5.5A

7.5A

11.5A

IRESTORE

4.5A

6.5A

9.5A

IDEFROST

3.5A

5.0A

7.5A

TE1

℃

TE2

℃

TE3

℃

TE4

℃

TE5

℃

TE6

℃

TE7

℃

TE8

℃

TE9

℃

ANGLCOOL

ANGLHEAT

125

ANGLOFF

0°

THDEFROST

℃

TMDEFROST

℃

TLDEFROST

℃

Содержание ACP-09CH25AEM

Страница 1: ...ACP 09CH25AEM ACP 12CH35AEM ACP 18CH50AEM RoHS Service manual ENG ...

Страница 2: ......

Страница 3: ...7 4 Air purging of the piping and indoor unit 12 7 5 Pumping down Re installation 13 7 6 Re air purging Re installation 14 7 7 Balance refrigerant of the 2 way 3 way valves 15 7 8 Evacuation 16 7 9 Gas charging 17 8 Electronic function 18 8 1 Proper symbols and their meaning 18 8 2 Function 18 8 3 Protection 18 8 4 Fan only mode 19 8 5 Cooling mode 19 8 6 Dehumidifying mode 20 8 7 Heating mode 20 ...

Страница 4: ...non often occurs during operation 28 10 5 Operation lamp flashes and Timer lamp off 28 10 6 Operation lamp flashes and Timer lamp on 28 10 7 Operation lamp off and Timer lamp flashes 29 10 8 Operation lamp on and Timer lamp flashes 29 10 9 Operation lamp flashes Timer lamp flashes 29 11 Characteristic of temperature sensor 30 ...

Страница 5: ...ct Be sure the installation area does not deteriorate with age If the base collapses the air conditioner could fall with it causing property damage product failure and personal injury Do not let the air conditioner run for a long time when the humidity is very high and a door or a windows is left open Moisture may condense and wet or damage furniture Take care to ensure that power cable could not ...

Страница 6: ...erational Do not expose the skin directly to cool air for long periods of time Do not sit in the draft This could harm to your health Do not use the product for special purposes such as preserving foods works of art etc It is a consumer air conditioner not a precision refrigerant system There is risk of damage or loss of property Do not block the inlet or outlet of air flow It may cause product fa...

Страница 7: ...for each operation mode The unit will decide the louver direction according to operation mode Two direction air vane The fan is turn to low speed cooling heating The unit will be turn off at the seventh hour Sleep mode auto control The function is usually used in rainy days in springtime or damp areas Independent dehumidification Operation indication Lamps VLED The louver can be set at the desired...

Страница 8: ...n makes the outdoor unit run more quietly Low noise air flow system The hydrophilic fin can improve the heating efficiency at operation mode Hydrophilic aluminum fin It is only operated in the heating operation mode except defrosting operation Discharge pipe temperature protect Anti rust cabinet Valve protection cover 4 way valve control ...

Страница 9: ... 7K 790 275 190 9K 790 275 190 12K 790 275 190 18K 940 275 198 Dimension Mode W H D L1 L2 L3 7K 680 416 260 438 300 420 7K 700 535 235 458 280 540 9K 680 416 260 438 300 420 9K 700 535 235 458 280 540 12K 780 540 250 548 266 560 12K 780 540 250 548 266 560 18K 760 590 285 528 300 610 ...

Страница 10: ...noise date is base on hemi anechoic chamber during actual operation these values are normally somewhat different as a result of ambient condition The design and specifications are subject to change without prior notice for product improvement ...

Страница 11: ...ate is base on hemi anechoic chamber during actual operation these values are normally somewhat different as a result of ambient condition The design and specifications are subject to change without prior notice for product improvement ...

Страница 12: ...Service manual 8 4 Refrigerant cycle diagram Cooling only Heat pump mode ...

Страница 13: ...t from the continuous operation under constant air temperature conditions However excludes the initial pull down stage 5 2 Heating operation Indoor air temp DB Outdoor unit air temp DB Note The chart is the result from the continuous operation under constant air temperature conditions However excludes the initial pull down stage ...

Страница 14: ...Service manual 10 6 Wiring diagram MSR1 07HRN2 QB4 B6 ACP 09CH25AEM ACP 12CH35AEM ACP 18CH50AEM Indoor Outdoor ...

Страница 15: ... sheet Grade Unit 7K 9K 12K 18K mm2 1 0 1 0 1 5 2 5 7 3 Pipe length and the elevation Capacity Btu h Pipe size Standard length m Max Elevation B m Max Pipe length A m Additional refrigerant g m GAS LIQUID 07k 09K 3 8 φ9 52 1 4 φ6 35 5 8 20 30 12K 1 2 φ12 7 1 4 φ6 35 5 8 20 30 18K 1 2 φ12 7 1 4 φ6 35 5 10 25 30 Caution Capacity is base on standard length and maximum allowance length is base of reli...

Страница 16: ... Check the flare connection for gas leakage Purge the air from the system Set the 2 way valve to the open position and remove the cap from the 3 way valve s service port Using the hexagonal wrench to press the valve core pin discharge for three seconds and then wait for one minute Use torque wrench to tighten the service port cap to a torque of 1 8 kg m 18n m Set the 3 way valve to the opened posi...

Страница 17: ...he charge hose with the push pin to the gas service port Air purging of the charge hose Open the low pressure valve on the charge set slightly to purge air from the charge hose Set the 2 way valve to the close position Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0 1MPa Immediately set the 3 way valve to the closed position Do this quickly so that the gauge...

Страница 18: ...or 1 minutes repeat 3 times After purging the air use a torque wrench to tighten the flare nut to on the 2 way valve Check the gas leakage Check the flare connections for gas leakage Discharge the refrigerant Close the valve on the charging cylinder and discharge the refrigerant until the gauge indicate 0 3 to 0 5 Mpa Disconnect the charge set and the charging cylinder and set the 2 way and 3 way ...

Страница 19: ...he service port Open the valves Low side on the charge set and discharge the refrigerant until the gauge indicates 0 05 to 0 1 Mpa If there is no air in the refrigeration cycle the pressure when the air conditioner is not running is higher than 0 1Mpa discharge the refrigerant until the gauge indicates 0 05 to 0 1 Mpa If this is the case it will not be necessary to apply a evacuation Discharge the...

Страница 20: ...e has moved toward 0 1 Mpa 76 cmHg vacuum of 4 mmHg or less Close the valve Low side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approximately 5 minutes after turning off the vacuum pump Disconnect the charge hose from the vacuum pump Vacuum pump oil if the vacuum pump oil becomes dirty or depleted replenish as needle ...

Страница 21: ...he specified amount of refrigerant if can be charged with a little at a time approximately 150g each time0 while operating the air conditioner in the cooling cycle however one time is not sufficient wait approximately 1 minute and then repeat the procedure pumping down pin 4 Immediately disconnect the charge hose from the 3 way valve s service port Stopping partway will allow the refrigerant to be...

Страница 22: ...rature protection restoring temperature TE7 Evaporator high temperature protection compressor off temperature TE8 Evaporator high temperature protection fan off temperature TE9 Evaporator high temperature protection restoring temperature 8 2 Function Remote receiving Testing and forced running Position set for indoor unit wind vane LED displaying and alarm On or off Timer Protection for the compre...

Страница 23: ... to current protection in 5 minutes from Compressor On the unit stops and LED displays failure information and can t returns to normal operation automatically 8 4 Fan only mode Fan speed is high mid low Auto 8 5 Cooling mode The 4 way valve is closed at cooling mode The action of the compressor and the outdoor fan T indoor temperature 0 T Ts Room temp up Room temp down 1 Compressor on outdoor fan ...

Страница 24: ... operation will be resumed when room temperature restores to over 13 8 6 4 At dehumidifying mode the anti freezing function of the indoor heat exchanger is the same as that of cooling mode 8 6 5 At dehumidifying mode the action of fans of indoor is the same as that of air only mode 8 7 Heating mode 8 7 1 Generally the 4 way valve is open in heating mode but it is closed in defrosting mode 4 way va...

Страница 25: ...et at HIGH MID LOW AUTO by using a remote controller but Anti cold wind function prevails Anti cold wind control function at heating mode T indoor exchanger temp T T temp up T temp down TE2 Setting fan speed Fan off Breeze TE3 TE1 TE4 8 7 5 Auto wind at heating mode T indoor temp 0 T Ts Room temp up Room temp down 2 Low fan Med fan 8 7 6 Indoor evaporator high temperature protection at heating mod...

Страница 26: ...es outdoor fan with the compressor still running Add up to 90 minutes 8 8 2 Defrosting time At condition If item B is satisfied before item A it would be regarded as severe frosting and the defrosting time is 10 minutes If item B is satisfied after item A the defrosting time is 7 5minutes At condition the defrosting time is 10 minutes After three times continuous 7 5 minute defrost the fourth defr...

Страница 27: ...ion mode according to the room temp and set temp or reselect when the set temp varies 8 10 Force cooling function 8 10 1 Select forced cooling function with the forced cooling button or the switch 8 10 2 The compressor is unconditionally turned on after 30 minutes cooling operation whose fan mode is set as low the A C operates at the DRY mode with a set temp of 24 8 10 3 All protections of remote ...

Страница 28: ... temp will be changeless if it is under fan only mode the condition will be the same after the air conditioner running under economic mode after 2 hours and during the next time the set temp do not change The total time is 7 hours after 7 hours the unit stops 8 12 Auto restart function In case of a sudden power failure this function automatically sets the unit to previous settings before the power...

Страница 29: ... 15 0A IFAN 5 5A 5 5A 7 5A 11 5A IRESTORE 4 5A 4 5A 6 5A 9 5A IDEFROST 3 5A 3 5A 5 0A 7 5A TE1 28 28 34 34 TE2 32 32 37 36 TE3 30 30 33 30 TE4 26 26 22 20 TE5 4 4 4 3 TE6 10 10 10 14 TE7 60 60 63 60 TE8 53 53 53 52 TE9 50 50 52 50 ANGLCOOL 88 88 88 88 ANGLHEAT 125 125 125 125 ANGLOFF 0 0 0 0 THDEFROST 15 17 18 17 TMDEFROST 16 18 19 18 TLDEFROST 17 19 20 19 ...

Страница 30: ...sts in heating operating At this time PRE DEF indicator illuminates Auto indicator This indicator flashes when the air conditioner is in AUTO operation ECON indicator This indicator illuminates while the air conditioner is in economic operation 10 2 Troubleshooting Failure phenomenon Operation lamp Timer lamp Indoor fan speed has been out of control for over 1 minute X Indoor room temp or evaporat...

Страница 31: ...heck if AC 220V power supply outputs to indoor PCB Check if AC 220V exists at the primary coil of transformer Yes YES No Check if AC 14 5V exists at the secondary coil of transformer Indoor PCB is defective Take off the secondary plug of transformer and then check if AC 14 5V exists at the secondary coil of transformer No Yes Yes Indoor PCB is defective Indoor PCB is defective No ...

Страница 32: ... After changing indoor PCB check if the failure realease Yes After changing indoor fan motor check if the failure realease Yes YES Yes Power supply circuit has problems Indoor PCB is defective 10 5 Operation lamp flashes and Timer lamp off Is connector connection good Is voltage being applied to the fan motor Fan motor is defective Yes No Repair the connector No Indoor PCB is defective 10 6 Operat...

Страница 33: ...ter changing the main control board check if the failure realease Power supply fault No Outdoor unit fault such as the compressor 10 8 Operation lamp on and Timer lamp flashes EEROM error indoor PCB is defective 10 9 Operation lamp flashes Timer lamp flashes This is alarm signal when the main chip can t detect over zero signal When such failure occurs the main control board must have fault ...

Страница 34: ...39 25 10 52 3 1918 1 37 1988 26 9 5507 53 3 0707 0 35 2024 27 9 1245 54 2 959 1 33 3269 28 8 7198 55 2 8442 2 31 5635 29 8 3357 56 2 7382 3 29 9058 30 7 9708 57 2 6368 4 28 3459 31 7 6241 58 2 5397 5 26 8778 32 7 2946 59 2 4468 6 25 4954 33 6 9814 60 2 3577 7 24 1932 34 6 6835 61 2 2725 8 22 5662 35 6 4002 62 2 1907 9 21 8094 36 6 1306 63 2 1124 10 20 7184 37 5 8736 64 2 0373 11 19 6891 38 5 6296 ...

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