background image

Mission Inverter 

 

DM16-01.01.22en 

10  

Service 

manual 

d.Fin

 

type

 

(code)

 

  

Hydrophilic

 

aluminium

 

Hydrophilic

 

aluminium

 

e.Tube

 

outside

 

dia.and

 

type

   

mm

 

Φ

7,innergroove

 

tube

 

Φ

7,innergroove

 

tube

 

f.Coil

 

length

 

x

 

height

 

x

 

width

   

mm

 

750x336x26.74

 

820x336x26.74

 

g.Number

 

of

 

circuits

 

  

4

 

4

 

Indoor

 

air

 

flow

 

(Hi/Mi/Lo)

 

m3/h

 

725/530/460

 

1055/850/670

 

Indoor

 

sound

 

pressure

 

level

   

(Hi/Mi/Lo/SL)

 

dB(A)

 

42/37/33/

 

46/40/30

 

Indoor

 

sound

 

power

 

level

 

(Hi)

 

dB(A)

 

55

 

60

 

Indoor

 

unit

 

Dimension(W*D*H)

 

mm

 

980x225x325

 

1090x235x338

 

Packing

     

(W*D*H)

 

mm

 

1055x305x405

 

1165x420x315

 

Net/Gross

 

weight

     

Kg

 

10.5/13.5

 

12.9/16.5

 

Outdoor

 

fan

 

motor

 

Model

   

  

ZKFN

40

8

1L

 

ZKFN

50

8

2

 

Output

             

W

 

40

 

50

 

Capacitor

               

uF

 

‐ ‐ 

‐ ‐ 

Speed

                 

r/min

 

810/700/550

 

810/750/600

 

Outdoor

 

coil

 

a.Number

 

of

 

rows

 

  

2

 

2

 

b.Tube

 

pitch(a)x

 

row

 

pitch(b)

   

mm

 

25.4x22

 

25.4x22

 

c.Fin

 

spacing

                           

mm

 

1.4

 

1.4

 

d.Fin

 

type

 

(code)

 

  

Hydrophilic

 

aluminium

 

Hydrophilic

 

aluminium

 

e.Tube

 

outside

 

dia.and

 

type

   

mm

 

Φ

9,innergroove

 

tube

 

Φ

9.52,innergroove

 

tube

 

f.Coil

 

length

 

x

 

height

 

x

 

width

   

mm

 

860x508x44

 

730x660x44

 

g.Number

 

of

 

circuits

 

  

4

 

4

 

Outdoor

 

air

 

flow

                         

m3/h

 

2100

 

2700

 

Outdoor

 

sound

 

pressure

 

level

 

dB(A)

 

54

 

60

 

Outdoor

 

sound

 

power

 

level

                 

dB(A)

 

63

 

63

 

Outdoor

 

unit

 

Dimension(W*D*H)

 

mm

 

800x333x554

 

845x363x702

 

Packing

   

(W*D*H)

 

mm

 

920x390x615

 

965x395x755

 

Net/Gross

 

weight

     

Kg

 

37.2/40

 

48.5/51.7

 

Refrigerant

                 

Type

   

  

R410A

 

R410A

 

GWP

 

  

2088

 

2088

 

Charged

 

quantity

 

Kg

 

1.48

 

2

 

Design

 

pressure

                           

MPa

 

4.2/1.5

 

4.2/1.5

 

Refrigerant

 

piping

 

Liquid

 

side/

 

Gas

 

side

     

mm(inch)

 

Φ

6.35/

Φ

12.7(1/4"/1/2")

 

Φ

9.52/

Φ

15.9(3/8"/5/8")

 

Max.

 

refrigerant

 

pipe

 

length

   

m

 

30

 

50

 

Max.

 

difference

 

in

 

level

           

m

 

20

 

25

 

Connection

 

wiring

         

  

1.5(Optional)

 

2.5(Optional)

 

Plug

 

type

 

  

‐‐ 

‐‐ 

Thermostat

 

type

 

  

RG58B/BGE

 

RG58B/BGE

 

Operation

 

temperature

 

Indoor(cooling/

 

heating)

 

Ԩ

 

17

32/0

30

 

17

32/0

30

 

Outdoor(cooling/heating)

 

Ԩ

 

15

50/

20

30

 

15

50/

20

30

 

Application

 

area

     

m2

 

24~35

 

32~47

 

 

Содержание Mission Inverter Series

Страница 1: ...n Inverter Series Service Manual 2016 DM16 01 01 22en MSMBAU 09HRFN1 BW MOBA02 09HFN1 MSMBBU 12HRFN1 BW MOB03 12HFN1 MSMBCU 18HRFN1 BW MOB02 18HFN1 MSMBDU 24HRFN1 BW MOCA01 24HFN1 Библиотека СОК Библиотека СОК ...

Страница 2: ...onnecting the cables 26 8 3 Pipe length and the elevation 27 8 4 Installation for the first time 28 8 5 Adding the refrigerant after running the system for many years 31 8 6 Re installation while the indoor unit need to be repaired 32 8 7 Re installation while the outdoor unit need to be repaired 34 9 Operation Characteristics 36 10 Electronic function 37 10 1 Abbreviation 37 10 2 Display function...

Страница 3: ...y 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 cable There is risk of fire or electric shock Do not install remove or reinstall the unit by yourself customer There is risk of fire electric shock explosion or injury Be caution when unpacking and installing the product Sharp edges could cause injury be ...

Страница 4: ...ch the electrostatic filter if the unit is so equipped There is risk of physical injury electric shock or product failure When the product is soaked contact an authorized service center There is risk of fire or electric shock Be caution that water could not enter the product There is risk of fire electric shock or product damage Ventilate the product from time to time when operating it together wi...

Страница 5: ... Do not touch the metal parts of the product when removing the air filter They are very sharp Do not step on or put anything on the product outdoor units Always insert the filter securely Clean the filter every two weeks or more often if necessary A dirty filter reduces the efficiency of the air conditioner and could cause product malfunction or damage Do not insert hands or other objects through ...

Страница 6: ...ce manual 2 Function Model Names of Indoor Outdoor Units Inverter Capacity Indoor units Outdoor units 9k MSMBAU 09HRFN1 BW MOBA02 09HFN1 12k MSMBBU 12HRFN1 BW MOB03 12HFN1 18k MSMBCU 18HRFN1 BW MOB02 18HFN1 24k MSMBDU 24HRFN1 BW MOCA01 24HFN1 ...

Страница 7: ...0 7 7 7 Seasonal Cooling Pdesignc kW 2 6 3 5 SEER W W 6 8 7 2 Energy Efficiency Class A A Heating Average Pdesignh kW 2 6 2 6 SCOP W W 4 2 4 2 Energy Efficiency Class A A Tbiv Ԩ 7 7 Heating Warmer Pdesignh kW 3 0 3 0 SCOP W W 5 1 5 3 Energy Efficiency Class A A Tbiv Ԩ 2 2 Tol Ԩ 15 15 Moisture Removal L h Max input consumption W 2075 2200 Max current A 9 5 10 0 Starting current A Compressor Model A...

Страница 8: ... rows 1 1 b Tube pitch a x row pitch b mm 21x13 37 21x13 37 c Fin spacing mm 1 2 1 2 d Fin type code Hydrophilic aluminium Hydrophilic aluminium e Tube outside dia and type mm Φ7 innergroove tube Φ7 innergroove tube f Coil length x height x width mm 744x504x13 37 870x504x13 37 g Number of circuits 2 2 Outdoor air flow m3 h 1900 2000 Outdoor sound pressure level dB A 54 54 Outdoor sound power level...

Страница 9: ...ncy Class A A Heating Average Pdesignh kW 4 4 5 7 SCOP W W 4 2 4 0 Energy Efficiency Class A A Tbiv Ԩ 7 7 Heating Warmer Pdesignh kW 4 7 7 0 SCOP W W 5 4 5 1 Energy Efficiency Class A A Tbiv Ԩ 2 2 Tol Ԩ 15 15 Moisture Removal L h Max input consumption W 2550 3600 Max current A 11 5 16 5 Starting current A Compressor Model ASM135D23UFZ ATF235D22UMT Type ROTARY ROTARY Brand GMCC GMCC Capacity Btu h ...

Страница 10: ...g mm 1 4 1 4 d Fin type code Hydrophilic aluminium Hydrophilic aluminium e Tube outside dia and type mm Φ9 innergroove tube Φ9 52 innergroove tube f Coil length x height x width mm 860x508x44 730x660x44 g Number of circuits 4 4 Outdoor air flow m3 h 2100 2700 Outdoor sound pressure level dB A 54 60 Outdoor sound power level dB A 63 63 Outdoor unit Dimension W D H mm 800x333x554 845x363x702 Packing...

Страница 11: ...01 01 22en Mission Inverter Service manual 11 4 Dimension 4 1 Indoor Unit Model W D H MSMBAU 09HRFN1 BW 730 198 293 MSMBBU 12HRFN1 BW 810 200 300 MSMBCU 18HRFN1 BW 980 225 325 MSMBDU 24HRFN1 BW 1090 235 338 ...

Страница 12: ...Mission Inverter DM16 01 01 22en 12 Service manual For MSMBAU 09HRFN1 BW For MSMBBU 12HRFN1 BW ...

Страница 13: ...DM16 01 01 22en Mission Inverter Service manual 13 For MSMBCU 18HRFN1 BW For MSMBDU 24HRFN1 BW ...

Страница 14: ...Mission Inverter DM16 01 01 22en 14 Service manual 4 2 Outdoor Unit More than 30cm More than 60cm More than 200cm More than 30cm More than 60cm Service space Fence or obstacles ...

Страница 15: ...DM16 01 01 22en Mission Inverter Service manual 15 For MOBA02 09HFN1 487 W1 70 W2 298 555 300 D H 12 60 93 H1 H2 D1 770 W 779 W3 322 D2 25 B1 90 B2 61 5 A2 12 A1 R 6 286 D3 ...

Страница 16: ...Mission Inverter DM16 01 01 22en 16 Service manual For MOB03 12HFN1 MOB02 18HFN1 800 W 514 W1 554 60 85 5 340 12 0 311 815 W3 365 333 D 70 W2 H H1 H2 D1 D2 D3 62 B1 106 B2 20 A1 R20 R6 61 6 A2 ...

Страница 17: ...DM16 01 01 22en Mission Inverter Service manual 17 For MOCA01 24HFN1 ...

Страница 18: ... 3 26 2 76 2 57 2 41 32ºC D 23ºC W Total capacity kW 2 73 2 76 2 79 2 82 2 84 2 87 2 90 2 93 3 13 3 15 3 04 2 61 2 47 2 41 Sensitive capacity kW 2 19 2 21 2 23 2 25 2 28 2 30 2 32 2 35 2 50 2 52 2 43 2 08 1 98 1 92 Input kW 0 69 0 70 0 70 0 70 0 71 0 71 0 71 0 72 0 78 0 84 0 92 0 94 0 95 0 99 EER 3 94 3 96 3 98 4 00 4 02 4 04 4 06 4 08 4 03 3 74 3 29 2 78 2 59 2 43 Heating HEATING OUTDOOR CONDITIO...

Страница 19: ... 2 54 2 39 32ºC D 23ºC W Total capacity kW 3 64 3 68 3 72 3 75 3 79 3 83 3 87 3 91 4 17 4 21 4 05 3 47 3 29 3 21 Sensitive capacity kW 2 91 2 94 2 97 3 00 3 03 3 06 3 10 3 13 3 33 3 36 3 24 2 78 2 63 2 57 Input kW 0 93 0 94 0 94 0 95 0 95 0 96 0 96 0 97 1 04 1 14 1 24 1 26 1 28 1 33 EER 3 90 3 92 3 94 3 96 3 98 4 00 4 02 4 04 4 00 3 70 3 26 2 76 2 57 2 41 Heating HEATING OUTDOOR CONDITIONS Indoor ...

Страница 20: ... 2 55 2 39 32ºC D 23ºC W Total capacity kW 5 45 5 51 5 57 5 62 5 68 5 74 5 79 5 85 6 24 6 30 6 06 5 20 4 93 4 80 Sensitive capacity kW 4 36 4 41 4 45 4 50 4 54 4 59 4 64 4 68 4 99 5 04 4 85 4 16 3 94 3 84 Input kW 1 40 1 40 1 41 1 42 1 42 1 43 1 44 1 45 1 56 1 70 1 86 1 88 1 92 1 99 EER 3 91 3 93 3 95 3 97 3 99 4 01 4 03 4 05 4 00 3 71 3 26 2 76 2 57 2 41 Heating HEATING OUTDOOR CONDITIONS Indoor ...

Страница 21: ... 2 37 2 22 32ºC D 23ºC W Total capacity kW 7 28 7 35 7 42 7 50 7 58 7 65 7 73 7 81 8 32 8 40 8 08 6 94 6 58 6 41 Sensitive capacity kW 5 82 5 88 5 94 6 00 6 06 6 12 6 18 6 25 6 66 6 72 6 47 5 55 5 26 5 12 Input kW 2 00 2 01 2 02 2 03 2 04 2 05 2 06 2 08 2 24 2 44 2 67 2 70 2 75 2 86 EER 3 63 3 65 3 67 3 69 3 71 3 72 3 74 3 76 3 72 3 44 3 03 2 57 2 39 2 24 Heating HEATING OUTDOOR CONDITIONS Indoor ...

Страница 22: ... Cycle Diagram LIQUID SIDE GAS SIDE HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR 2 WAY VALVE 3 WAY VALVE 4 WAY VALVE COOLING HEATING T2 Evaporator temp sensor T1 Room temp sensor ACCUMULATOR INDOOR OUTDOOR CHECK VALVE Heating Model only CAPILIARY TUBE ...

Страница 23: ...DM16 01 01 22en Mission Inverter Service manual 23 7 Wiring diagram MSMBAU 09HRFN1 BW MSMBBU 12HRFN1 BW MSMBCU 18HRFN1 BW MSMBDU 24HRFN1 BW ...

Страница 24: ...Mission Inverter DM16 01 01 22en 24 Service manual MOBA02 09HFN1 MOB03 12HFN1 ...

Страница 25: ...DM16 01 01 22en Mission Inverter Service manual 25 MOB02 18HFN1 MOCA01 24HFN1 ...

Страница 26: ...9kgf cm 4700 479kgf cm Ф19 3 4 6500 663kgf cm 6700 683kgf cm 8 2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet Rated current of appliance Nominal cross sectional area mm 3 and 6 0 75 6 and 10 1 10 and 16 1 5 16 and 25 2 5 The cable size and the current of the fuse or switch are determined by the maximum current indicated on the n...

Страница 27: ...refrigerant g m Gas Liquid MSMBAU 09HRFN1 BW MOBA02 09HFN1 3 8 Ф9 52 1 4 Ф6 35 5 10 25 15 MSMBBU 12HRFN1 BW MOB03 12HFN1 3 8 Ф9 52 1 4 Ф6 35 5 10 25 15 MSMBCU 18HRFN1 BW MOB02 18HFN1 1 2 Ф12 7 1 4 Ф6 35 5 20 30 15 MSMBDU 24HRFN1 BW MOCA01 24HFN1 5 8 Ф15 9 3 8 Ф9 52 5 25 50 30 Caution The capacity test is based on the standard length and the maximum permissive length is based on the system reliabil...

Страница 28: ...door unit connections by a soft brush to check for leakage of the connecting points of the piping If bubbles come out the pipes have leakage 1 Air purging with vacuum pump 1 Completely tighten the flare nuts of the indoor and outdoor units confirm that both the 2 way and 3 way valves are set to the closed position 2 Connect the charge hose with the push pin of handle lo to the 3 way valves gas ser...

Страница 29: ...rge set and a charging cylinder to the service port of the 3 way valve 3 Air purging Open the valves on the charging cylinder and the charge set Purge the air by loosening the flare nut on the 2 way valve approximately 45 for 3 seconds then closing it for 1 minute repeat 3 times After purging the air use a torque wrench to tighten the flare nut on the 2 way valve 4 Check the gas leakage Check the ...

Страница 30: ...and press the check valve on the charge set to purge the air be careful of the liquid refrigerant 3 Put the charging cylinder onto the electronic scale and record the weight 4 Operate the air conditioner at the cooling mode 5 Open the valves Low side on the charge set and charge the system with liquid refrigerant 6 When the electronic scale displays the proper weight refer to the table disconnect ...

Страница 31: ...he charge set to purge the air be careful of the liquid refrigerant 3 Put the charging cylinder onto the electronic scale and record the weight 4 Operate the air conditioner at the cooling mode 5 Open the valves Low side on the charge set and charge the system with liquid refrigerant 6 When the electronic scale displays the proper weight refer to the gauge and the pressure of the low side disconne...

Страница 32: ... to the 3 way valves gas service port 3 Air purging of the charge hose Open the handle Lo valve of the manifold valve slightly to purge air from the charge hose for 5 seconds and then close it quickly 4 Set the 2 way valve to the close position 5 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0 1MPa 6 Set the 3 way valve to the closed position immediately Do ...

Страница 33: ...eat 3 times After purging the air use a torque wrench to tighten the flare nut on the 2 way valve 4 Check the gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve on the charging cylinder and discharge the refrigerant by loosening the flare nut on the 2 way valve approximately 45 until the gauge indicates 0 3 to 0 5 Mpa 6 Disconnect the charge set and...

Страница 34: ...3 way valve s service port 3 Evacuation for approximately one hour Confirm that the compound meter indicates 0 1Mpa 4 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 5 Disconnect the charge hose from the vacuum pump 2 Refrigerant charging Procedure 1 Connect the charge hose...

Страница 35: ...the system with liquid refrigerant If the system cannot be charge with the specified amount of refrigerant or can be charged with a little at a time approximately 150g each time operating the air conditioner in the cooling cycle however one time is not sufficient wait approximately 1 minute and then repeat the procedure 5 When the electronic scale displays the proper weight disconnect the charge h...

Страница 36: ...conditioner is used beyond the above conditions certain safety protection features may come into operation and cause the unit to operate abnormally 2 The room relative humidity should be less than 80 If the air conditioner operates beyond this figure the surface of the air conditioner may attract condensation Please set the vertical air flow louver to its maximum angle vertically to the floor and ...

Страница 37: ...anation on indoor display board Digital display Displays the temperature settings when the air conditioner is operational Displays the room temperature in FAN mode Displays the self diagnostic codes Dispalys for three seconds when Timer ON Fresh Swing Turbo or Silence feature is activated Dispalys for three seconds when Timer OFF is set Fresh Swing Turbo or Silence feature is cancelled Dispalys un...

Страница 38: ...s under 8 heating operation When ECO function optional is actived the illuminates gradually one by one as In one second interval WIFI control display WiFi kit is in standard Displays when the WIFI control feature is activated NOTE A guide on using the infrared remote is not included in this literature package ...

Страница 39: ... and the unit will stop working 10 3 6 Indoor fan delayed open function When the unit starts up the louver will be active immediately and the indoor fan will open 7s later If the unit runs in heating mode the indoor fan will be also controlled by anti cold wind function 10 3 7 Compressor preheating functions Preheating permitting condition When T4 outdoor ambient temperature 3 C the preheating fun...

Страница 40: ...ll stop when T1 Ts T 0 5 the compressor will be activated T is the programmed parameter of temperature compensation When the AC run in mute mode the compressor will run with low frequency When the current is more than setting value the current protection function will be activated and the compressor will stop 10 4 2 2 Outdoor fan running rules The outdoor unit will be run at different fan speed ac...

Страница 41: ...ease to the lower level until to F1 and then runs at F1 If TP3 3 T3 TP3 the compressor will keep running at the current frequency T3 TP3 3 the compressor will not limit the frequency and resume to the former frequency T3 TP3 5 for 5 seconds the compressor will stop until T3 TP3 3 10 4 2 5 Evaporator temperature protection When Evaporator temperature temp is less than setting value the compressor w...

Страница 42: ...igh med low auto And the anti cold wind function has the priority The indoor fan is controlled as below Setting fan speed Actual fan speed H H H G A H H B C M M M Z D M M M E F L L L D G L L L H I T1 Td F L L L L D H H H H G M M M M Z Auto fan action in heating mode a b c d T 1 e 10 4 3 4 Defrosting mode AC will enter the defrosting mode according to the value of temp of T3 and the value range of ...

Страница 43: ...mode according to T T T1 Ts T T1 Ts Running mode T 2 Cooling 2 T 2 Fan only T 2 Heating Indoor fan will run at auto fan of the relevant mode The louver operates same as in relevant mode If the machine switches mode between heating and cooling the compressor will keep stopping for 15 minutes and then choose mode according to T1 Ts If the setting temperature is modified the machine will choose runni...

Страница 44: ...When cooling the setting temperature rises 1 be lower than 30 every one hour 2 hours later the setting temperature stops rising and the indoor fan is fixed at low speed When heating the setting temperature decreases 1 be higher than 17 every one hour 2 hours later the setting temperature stops rising and indoor fan is fixed at low speed Anti cold wind function has the priority 10 4 8 3 Operation t...

Страница 45: ...for two seconds The air conditioner will enter into the information enquiry status You can press the LED DISPLAY or AIR DIRECTION button to check the next or front item s information When the AC enter the information enquiry status it will display the code name in 2 seconds the details are as follows Enquiry information Displaying code Meaning T1 T1 T1 temp T2 T2 T2 temp T3 T3 T3 temp T4 T4 T4 tem...

Страница 46: ... 99 19 99 A0 A1 A9 100 101 109 b0 b1 b9 110 111 119 c0 c1 c9 120 121 129 d0 d1 d9 130 131 139 E0 E1 E9 140 141 149 F0 F1 F9 150 151 159 Indoor fan speed Outdoor fan speed 0 OFF 1 2 3 4 Low speed Medium speed High speed Turbo For some big capacity motors 14 FF Actual fan speed Display value turns to decimal value and then multiply 10 The unit is RPM For some small capacity motors display value is f...

Страница 47: ... forget to discharge the electricity power in capacitor Electrolytic Capacitors HIGH VOLTAGE CAUTION For other models please connect discharge resistance approx 100Ω 40W or soldering iron plug between terminals of the electrolytic capacitor on the contrary side of the outdoor PCB Note The picture above is only for reference The plug of your side may be different ...

Страница 48: ...kage detection 1 times O F0 Overload current protection 2 times O F1 Outdoor ambient temperature sensor T4 open circuit or short circuit 3 times O F2 Condenser coil temperature sensor T3 open circuit or short circuit 4 times O F3 Compressor discharge temperature sensor T5 open circuit or short circuit 5 times O F4 Outdoor unit EEPROM parameter error 6 times O F5 Outdoor fan speed has been out of c...

Страница 49: ...main chip does not receive feedback from EEPROM chip Supposed causes Installation mistake PCB faulty Trouble shooting EEPROM a read only memory whose contents can be erased and reprogrammed using a pulsed voltage For the location of EEPROM chip please refer to the below photos Note The two photos above are only for reference it s may be not same totally with the ones on your side Indoor PCB Outdoo...

Страница 50: ...nication diagnosis and solution E1 Error Code E1 Malfunction decision conditions Indoor unit does not receive the feedback from outdoor unit during 110 seconds and this condition happens four times continuously Supposed causes Wiring mistake Indoor or outdoor PCB faulty Trouble shooting ...

Страница 51: ...er Service manual 51 Remark Use a multi meter to test the resistance of the reactor which does not connect with capacitor The normal value should be around zero ohm Otherwise the reactor must have malfunction and need to be replaced ...

Страница 52: ...ontrol diagnosis and solution E3 Error Code E3 Malfunction decision conditions When indoor fan speed keeps too low 300RPM for certain time the unit will stop and the LED will display the failure Supposed causes Wiring mistake Fan ass y faulty Fan motor faulty PCB faulty Trouble shooting ...

Страница 53: ... 2 Outdoor DC Fan Motor control chip is in outdoor PCB Power on and check if the fan can run normally if the fan can run normally the PCB must has problems and need to be replaced If the fan can t run normally measure the resistance of each two pins If the resistance is not equal to each other the fan motor must have problems and need to be replaced otherwise the PCB must has problems and need to ...

Страница 54: ... 2 does not keep continuous 4 seconds and this situation happens 3 times the display area will show EC and AC will turn off Supposed causes T2 sensor faulty Indoor PCB faulty System problems such as leakage or blocking Trouble shooting Check cool air blowing out from indoor air outlet Yes Yes Check if T2 sensor No Check leakage of system No Power off then restart the unit 2 minutes later Replace i...

Страница 55: ...on decision conditions If the sampling voltage is lower than 0 06V or higher than 4 94V the LED will display the failure Supposed causes Wiring mistake Sensor faulty Trouble shooting Check the connection between temperature sensor and PCB Correct the connection No Yes Replace indoor or outdoor main PCB Measure the resistance value of the sensor Repalce the sensor No Yes ...

Страница 56: ...ion diagnosis and solution F0 Error Code F0 Malfunction decision conditions An abnormal current rise is detected by checking the specified current detection circuit Supposed causes Power supply problems System blockage PCB faulty Wiring mistake Compressor malfunction Trouble shooting ...

Страница 57: ...AC will turn off Supposed causes Wiring mistake IPM malfunction Outdoor fan ass y faulty Compressor malfunction Outdoor PCB faulty Trouble shooting IPM continuity check Turn off the power let the large capacity electrolytic capacitors discharge completely and dismount the IPM Use a digital tester to measure the resistance between P and UVWN UVW and N Digital tester Normal resistance value Digital ...

Страница 58: ...ow voltage protection diagnosis and solution P1 Error Code P1 Malfunction decision conditions An abnormal voltage rise or drop is detected by checking the specified voltage detection circuit Supposed causes Power supply problems System leakage or block PCB faulty Trouble shooting ...

Страница 59: ...age or block PCB faulty Trouble shooting Check the air flow system of indoor and outdoor units Clear up the air inlet and outlet or the heat exchanger of indoor and outdoor units Yes No Yes Yes Power off then restart the unit 10 minutes later Check if the temperature of compressor No Check refrigerant system Yes Check the overload protector Correct the connection No Measure the resistance between ...

Страница 60: ... decision conditions An abnormal inverter compressor drive is detected by a special detection circuit including communication signal detection voltage detection compressor rotation speed signal detection and so on Supposed causes Wiring mistake IPM malfunction Outdoor fan ass y faulty Compressor malfunction Outdoor PCB faulty Trouble shooting ...

Страница 61: ...t the temperature sensor from PCB measure the resistance value with a tester Temperature Sensors Room temp T1 sensor Indoor coil temp T2 sensor Outdoor coil temp T3 sensor Outdoor ambient temp T4 sensor Compressor discharge temp T5 sensor Measure the resistance value of each winding by using the multi meter ...

Страница 62: ...8 37 99 5 87359 77 171 1 29078 117 243 0 38991 2 28 39 8239 38 100 5 62961 78 172 1 25423 118 244 0 37956 1 30 37 1988 39 102 5 39689 79 174 1 2133 119 246 0 36954 0 32 35 2024 40 104 5 17519 80 176 1 17393 120 248 0 35982 1 34 33 3269 41 106 4 96392 81 178 1 13604 121 250 0 35042 2 36 31 5635 42 108 4 76253 82 180 1 09958 122 252 0 3413 3 37 29 9058 43 109 4 5705 83 181 1 06448 123 253 0 33246 4 ...

Страница 63: ... 78 75 167 8 084 115 239 2 422 4 25 222 8 36 97 34 32 76 169 7 82 116 241 2 357 3 27 211 4 37 99 32 94 77 171 7 566 117 243 2 294 2 28 200 7 38 100 31 62 78 172 7 321 118 244 2 233 1 30 190 5 39 102 30 36 79 174 7 086 119 246 2 174 0 32 180 9 40 104 29 15 80 176 6 859 120 248 2 117 1 34 171 9 41 106 28 81 178 6 641 121 250 2 061 2 36 163 3 42 108 26 9 82 180 6 43 122 252 2 007 3 37 155 2 43 109 25...

Страница 64: ... 64 Service manual 2 Compressor checking Measure the resistance value of each winding by using the tester Position Resistance Value ASN98D22UFZ ASM135D23UFZ ATF235D22UMT Blue Red 1 57Ω 20 68 1 75Ω 20 68 0 75Ω 20 68 Blue Black Red Blue ...

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