Westinghouse WHS09SZA11S Service Manual Download Page 1 | Manualshive

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Westinghouse WHS09SZA11S Service Manual Download Page 1

REFRIGERANT

R410A

INVERTER

AIR CONDITIONER

Wall mounted type

SERVICE MANUAL

INDOOR

WHS09WMA21S

WHS09WMA11S

WHS12WMA21S

WHS12WMA11S

WHS18WMA21S

WHS24WMA21S

WHS30WMA21S

WHS36WMA21S

OUTDOOR

WHS09SZA21S

WHS09SZA11S

WHS12SZA21S

WHS12SZA11S

WHS18SZA21S

WHS24SZA21S

WHS30SZA21S

WHS36SZA21S

, WESTINGHOUSE, and INNOVATION YOU CAN BE SURE OF are trademarks of Westing house

Electric Corporation. Used under license by FUJITSU GENERAL AMERICA, INC. All Rights Reserved.

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Summary of Contents for WHS09SZA11S

Page 1: ...WHS18WMA21S WHS24WMA21S WHS30WMA21S WHS36WMA21S OUTDOOR WHS09SZA21S WHS09SZA11S WHS12SZA21S WHS12SZA11S WHS18SZA21S WHS24SZA21S WHS30SZA21S WHS36SZA21S WESTINGHOUSE and INNOVATION YOU CAN BE SURE OF are trademarks of Westing house Electric Corporation Used under license by FUJITSU GENERAL AMERICA INC All Rights Reserved 2021 02 09 ...

Page 2: ... you require help for a special problem contact our sales service outlet or your certified dealer for additional instructions In Case of Improper Installation The manufacturer shall in no way be responsible for improper installation or maintenance service including failure to follow the instructions in this document SPECIAL PRECAUTIONS When Wiring ELECTRICAL SHOCK CAN CAUSE SEVERE PERSONAL INJURY ...

Page 3: ...ubing Use the flare method for connecting tubing Apply refrigerant lubricant to the matching surfaces of the flare and union tubes before connecting them then tighten the nut with a torque wrench for a leak free connection Check carefully for leaks before starting the test run When Servicing Turn the power OFF at the main power box mains before opening the unit to check or repair electrical parts ...

Page 4: ...9 30 38 LOWER 26 35 Heating HIGHER 39 40 45 HIGH 36 43 MED 33 40 LOW 29 30 38 LOWER 26 35 Heat exchanger type Dimensions H W D in mm 11 9 16 23 1 4 1 1 16 294 550 27 2 11 9 16 24 7 16 1 1 16 294 620 27 2 14 7 8 27 3 4 1 1 16 378 705 27 2 Fin pitch FPI 18 Rows Stages 2 14 2 18 Pipe type Copper Fin type Aluminum Enclosure Material Polystyrene Color White Dimensions H W D Net in mm 10 5 8 29 5 16 8 7...

Page 5: ... HIGH 45 45 MED 40 43 LOW 38 40 LOWER 36 38 Heating HIGHER 48 50 HIGH 45 45 MED 40 43 LOW 38 40 LOWER 36 38 Heat exchanger type Dimensions H W D in mm 14 7 8 33 1 8 1 1 16 378 842 27 2 16 9 16 38 3 4 1 1 16 420 985 27 2 16 9 16 38 3 4 1 1 16 420 985 27 6 2 9 16 38 3 4 9 16 65 985 13 6 2 9 16 38 3 4 9 16 65 984 13 6 Fin pitch FPI 18 Rows Stages 2 18 2 22 2 5 22 Pipe type Copper Fin type Aluminum En...

Page 6: ... Heat exchanger type Dimensions H W D in mm 11 9 16 23 1 4 1 1 16 294 550 27 2 11 9 16 24 7 16 1 1 16 294 620 27 2 Fin pitch FPI 18 Rows Stages 2 14 Pipe type Copper Fin type Aluminum Enclosure Material Polystyrene Color White Dimensions H W D Net in mm 10 5 8 29 5 16 8 7 16 270 745 214 10 5 8 32 1 16 8 7 16 270 815 214 Gross 13 3 16 31 1 2 10 7 16 335 800 265 13 3 16 34 1 1 10 7 16 335 870 265 We...

Page 7: ...16 13 3 8 530 830 340 25 3 16 37 15 3 16 640 940 385 Weight Net lb kg 55 25 60 27 86 39 Gross 60 27 66 30 93 42 Connection pipe Size Liquid in mm Ø 1 4 Ø 6 35 Gas Ø 3 8 Ø 9 52 Ø 1 2 Ø 12 7 Method Flare Pre charge length ft m 24 7 5 Max length 65 20 Max height difference Indoor unit higher than outdoor unit 32 10 Outdoor unit higher than indoor unit 16 5 Operation range Cooling F C 32 to 115 0 to 4...

Page 8: ...6 795 885 366 Gross 28 3 4 39 3 16 17 1 2 730 995 445 35 1 16 41 5 16 19 11 16 890 1 050 500 Weight Net lb kg 110 50 128 58 141 64 Gross 119 54 139 63 152 69 Connection pipe Size Liquid in mm Ø 3 8 Ø 9 52 Gas Ø 5 8 Ø 15 88 Method Flare Pre charge length ft m 24 7 5 Max length 65 20 Max height difference Indoor unit higher than outdoor unit 32 10 Outdoor unit higher than indoor unit 16 5 Operation ...

Page 9: ... 29 5 Gross 66 30 71 32 Connection pipe Size Liquid in mm Ø 1 4 Ø 6 35 Gas Ø 3 8 Ø 9 52 Method Flare Pre charge length ft m 24 7 5 Max length 65 20 Max height difference Indoor unit higher than outdoor unit 32 10 Outdoor unit higher than indoor unit 16 5 Operation range Cooling F C 5 to 115 15 to 46 Heating 4 to 75 20 to 24 NOTES Specifications are based on the following conditions Cooling Indoor ...

Page 10: ... 16 46 5 11 16 17 1 9 16 39 10 5 8 270 25 13 16 656 7 3 16 183 2 Air inlet Drain port Ø11 16 18 Models WHS12WMA21S and WHS12WMA11S Unit in mm 32 1 16 815 3 5 8 91 9 7 3 16 183 2 28 7 16 722 1 13 16 46 5 10 5 8 270 8 7 16 214 1 5 8 42 9 16 15 2 51 3 Drain port Ø11 16 17 6 Tube exit Air inlet 9 ...

Page 11: ...10 5 16 262 12 1 8 307 2 5 8 16 2 1 16 53 1 7 8 47 Drain port Ø11 16 18 Tube exit Air inlet 31 9 16 801 2 3 16 56 Model WHS24WMA21S Unit in mm 42 11 16 1 085 3 15 16 100 5 12 3 8 315 2 1 4 57 6 9 16 14 1 7 8 47 5 38 3 16 970 Tube exit 2 1 4 57 Drain port Ø11 16 18 9 5 16 236 10 ...

Page 12: ... 16 11 6 2 5 16 59 2 2 5 16 59 4 Drain port Ø11 16 18 Installation space requirement Provide sufficient installation space for product safety Distance from wall should be over 2 in 50 mm Distance from ceiling should be over 7 9 in 200 mm Distance from floor should be over 8 ft 2 4 m Distance from wall should be over 2 in 50 mm 11 ...

Page 13: ...ZA11S Unit in mm 7 16 11 5 8 16 5 5 1 8 1 6 3 7 16 87 4 3 4 120 3 0 3 0 19 482 9 5 16 8237 1 8 3 5 7 16 138 9 7 8 251 28 1 8 715 17 7 16 443 2 7 8 73 8 7 8 226 3 16 3 8 13 16 4 10 20 11 7 16 290 9 7 16 240 1 3 16 30 1 7 8 47 1 2 13 10 3 8 264 Ø11 16 18 12 ...

Page 14: ...Model WHS18SZA21S Unit in mm 11 280 23 1 16 585 6 5 5 7 3 0 1 8 8 7 1 3 12 3 16 310 20 1 16 510 13 ...

Page 15: ...24SZA21S Unit in mm 2 5 25 4 15 16 125 6 7 16 164 4 5 16 109 25 9 16 650 37 1 2 953 33 7 8 860 3 76 21 5 8 550 1 3 8 35 1 15 16 50 13 7 16 341 Ø11 16 18 Drain port 12 3 16 310 14 1 2 368 21 5 16 542 6 5 8 168 14 ...

Page 16: ...1S Unit in mm 3 11 16 93 5 2 3 4 70 3 0 3 0 3 1 16 78 Pipe size Ø3 8 9 53 Pipe size Ø5 8 15 88 35 3 8 898 34 13 16 885 13 1 16 332 15 1 4 388 22 7 8 581 1 3 16 30 14 7 16 366 15 3 8 390 1 15 16 50 26 1 16 662 Ø11 16 18 31 5 16 795 15 ...

Page 17: ...A11S andWHS12SZA11S Space requirement Provide sufficient installation space for product safety CAUTION Keep the space shown in the installation examples If the installation is not performed accordingly it could cause a short circuit and result in a lack of operating performance 16 OUTDOOR UNIT WHS09 30SZA ...

Page 18: ...20 m Outdoor unit Indoor unit is higher than outdoor unit Site for installing the outdoor unit Where it is convenient to install and well ventilated Avoid installing it where flammable gas could leak Keep the required distance apart from the wall Keep the outdoor unit away from greasy dirt vulcaniza tion gas exit Avoid installing it by the roadside where there is a risk of muddy water A fixed base...

Page 19: ...Refrigerant circuit Models WHS09SZA21S WHS12SZA21S WHS18SZA21S WHS24SZA21S WHS30SZA21S WHS09SZA11S and WHS12SZA11S 18 WHS36SZA21S 18 ...

Page 20: ...eep evacuating for more than 15mins and make sure the reading of multi meter is 1 0 X105 pa 76cmHg 6 Check the vacuum with the gage manifold valve then close the gage manifold valve and stop the vacuum pump 7 Leave it for one or two minutes Make sure the pointer of the gage manifold valve remains in the same position 8 Remove the gage manifold valve quickly from the service port of the stop valve ...

Page 21: ... Is the power cord specified It may cause electric malfunction or damage the part Are the inlet and outlet openings blocked It may cause insufficient cooling heating capacity Is the length of connection pipes and refrigerant capacity been recorded The refrigerant capacity is not accurate Operation Test 1 Before Operation Test 1 Do not switch on power before installation is finished completely 2 El...

Page 22: ... INDOOR UNIT OUTDOOR UNIT Thermistor Pipe temp 15 k 6 5 k 4 5 k 1 3 V 2 2 V 2 7 V 20 30 0 68 F F 86 F 32 Temperature Thermistor Room temp 15 k 6 5 k 4 5 k 1 3 V 2 2 V 2 7 V Fan motor 1 2 3 4 5 Pin No Terminal code C S R Function of terminal Running coil COM Starting coil Lead wire color White Black Red 21 ...

Page 23: ...N MOTOR Thermistor Pipe temp 15 k 6 5 k 4 5 k 1 3 V 2 2 V 2 7 V 20 30 0 68 F F 86 F 32 Temperature Thermistor Room temp 15 k 6 5 k 4 5 k 1 3 V 2 2 V 2 7 V Fan motor 1 2 3 4 5 7 6 Pin No Terminal code Vm GND Vcc Vsp FG Function of terminal Revolution pulse output Speed control voltage input Control power voltage input GND Motor power voltage input Lead wire color Blue White Black Yellow Red 22 ...

Page 24: ... LOUVER MOTOR DISPLAY UNIT Thermistor Pipe temp 15 k 6 5 k 4 5 k 1 3 V 2 2 V 2 7 V 20 30 0 68 F F 86 F 32 Temperature Thermistor Room temp 15 k 6 5 k 4 5 k 1 3 V 2 2 V 2 7 V Fan motor 1 2 3 4 5 7 6 Pin No Terminal code Vm GND Vcc Vsp FG Function of terminal Revolution pulse output Speed control voltage input Control power voltage input GND Motor power voltage input Lead wire color Blue White Black...

Page 25: ...mperature Thermistor Room temp 15 k 6 5 k 4 5 k 1 3 V 2 2 V 2 7 V Fan motor 1 2 3 4 5 7 6 Pin No Terminal code Vm GND Vcc Vsp FG Function of terminal Revolution pulse output Speed control voltage input Control power voltage input GND Motor power voltage input Lead wire color Blue White Black Yellow Red ...

Page 26: ...OR CONTROL UNIT Thermistor Pipe temp 15 k 6 5 k 4 5 k 1 3 V 2 2 V 2 7 V 20 30 0 68 F F 86 F 32 Temperature Thermistor Room temp 15 k 6 5 k 4 5 k 1 3 V 2 2 V 2 7 V Fan motor 1 2 3 4 5 Pin No Terminal code C S R Function of terminal Running coil COM Starting coil Lead wire color White Black Red 25 ...

Page 27: ...t Speed control voltage input Control power voltage input GND Motor power voltage input Lead wire color Blue White Black Yellow Red Thermiﬆor ODU temp 15 k 6 5 k 4 4 k 1 3 V 2 2 V 20 30 0 68 F 32 F 86 F Temperature Thermiﬆor Pipe temp 15 k 6 5 k 4 4 k 1 3 V 2 2 V Thermiﬆor Discharge temp 186 k 71 7 k 46 3 k 0 18 V 0 43 V EEV 36 model Coil resiﬆance 46 20 68 F 6 red COM 5 brown COM 4 blue B 3 orang...

Page 28: ...volution pulse output Speed control voltage input Control power voltage input GND Motor power voltage input Lead wire color Blue White Black Yellow Red 27 Thermistor ODU temp 15 k 6 5 k 4 4 k 1 3 V 2 2 V 2 7 V 20 30 0 68 F F 86 F 32 Temperature Thermistor Pipe temp 15 k 6 5 k 4 4 k 1 3 V 2 2 V 2 7 V Thermistor Discharge temp 186 k 71 7 k 46 3 k 0 18 V 0 43 V 0 64 V ...

Page 29: ...he outdoor control board is failure Communication failure between the indoor unit and outdoor unit O a The communication cable connect loose b The communication cable is failure c The connection between the filter board and the outdoor control board is incorrect or loose d The connection between the filter board and the terminal is incorrect or loose e The indoor control board is failure f The PFC...

Page 30: ...ction with cooling or overload protection with heating in indoor unit O O a The indoor coil temperature sensor connect loose b The indoor coil temperature sensor is failure c The indoor control board is failure d The refrigerant system is abnormal Compressor drive in trouble O O a The outdoor drive board is failure b The compressor is failure c The outdoor control board is failure Outdoor fan moto...

Page 31: ...ambient temperature too low protection O O a Outdoor ambient temperature too low Mark description the lights flash every two seconds for the following faults Protection against overheated outdoor radiator a Radiator sensors fail b control panel fails Protection of the system against too high pressure a The pressure switch fails b The pressure detection switch on the control panel fails c The measu...

Page 32: ... different combination ways Hisense s new design remote controller when using to check the error codes only takes effect for pressing the sleep key 10 times in ten seconds instead of 4 times NOTE If the troubleshooting inquiry display by 7 segment tube then the error code will be displayed otherwise only the LED of the display board can show Error code Running Timer Sleep Power Remark Light o Flas...

Page 33: ...or fan has been blocked e The condenser is dirty f The outdoor unit has been installed without standard 6 AC voltage higher or lower protection a The supply voltage is higher or lower than normal b The inner supply voltage of the unit is higher or lower than normal 7 Communication failure between the indoor unit and outdoor unit a The communication cable connect loose b The communication cable is ...

Page 34: ... temperature too low protection Outdoor ambient temperature too low 13 Compressor exhaust temperature too high protection a The compressor exhaust temperature sensor is failure b The refrigerant of the unit is not enough 14 Outdoor ambient temperature sensor in trouble a The outdoor ambient temperature sensor connect loose b The outdoor ambient temperature sensor is failure c The outdoor control b...

Page 35: ...s failure 21 Outdoor coil anti overload protection with cooling a the refrigerant is too much b the outdoor fan motor is failure c the outdoor fan is broken d the condenser is dirty e the air inlet and air outlet of the indoor unit and the outdoor unit is not normally 22 Compressor pre heating process it is normal mode in cold weather 24 Chip in outdoor board in trouble a Using the wrong drive boa...

Page 36: ...ard and the outdoor control board is incorrect or loose d the connection between the filter board and the terminal is incorrect or loose e the indoor control board is failure f the PFC board is failure g the power board is failure h the outdoor control board is failure 38 Indoor EEPROM failure a The EEPROM chip loose b The indoor control board is failure 39 x Indoor fan motor run abnormally a Ther...

Page 37: ...installed without standard 6 x x AC voltage higher or lower protection a The supply voltage is higher or lower than normal b The inner supply voltage of the unit is higher or lower than normal 7 x Communication failure between the indoor unit and outdoor unit a The communication cable connect loose b The communication cable is failure c The connection between the filter board and the outdoor contr...

Page 38: ... b The refrigerant of the unit is not enough 14 Outdoor ambient temperature sensor in trouble a The outdoor ambient temperature sensor connect loose b The outdoor ambient temperature sensor is failure c The outdoor control board is failure 15 x Compressor shell temperature too high protection a The compressor exhaust temperature sensor connect loose b The refrigerant of the unit is not enough 16 x...

Page 39: ...ting process It is normal mode in cold weather 24 Chip in outdoor board in trouble a Using the wrong drive board b Using the wrong compressor 26 Overheated outdoor radiator a Radiator sensor fails b Detection circuit of the sensor on the control panel fails 27 Protection against too high system pressure a The pressure switch fails b The pressure detection switch on the control panel fails c The me...

Page 40: ...ormally a There are something block the indoor fan motor b The fan motor cord connect loose c The fan motor is failure d The indoor control board is failure 41 x x The failure for Indoor grounding protective The indoor control board is failure The failure is detected when the room temperature sensor broken or shorted over 5 sec The failure is detected when the temperature sensor of heater exchange...

Page 41: ... over voltage and overcurrent protection Note List all types of protection that may occur to the complete machine and describe the conditions and signs of the start course and end of such protection Voltage protection Protection against AC input over voltage under voltage 1 Conditions for protection against AC input over voltage under voltage If the input AC voltage is greater than protective over...

Page 42: ...the above two conditions is met prohibition of frequency rising of compressor discharge begins Actions relates to prohibition of frequency rising of compressor discharge the frequency of compressor maintains at the current level which may decrease as the case requires while cannot rise The indoor and outdoor fans run Condition for ending prohibition of frequency rising of compressor discharge if t...

Page 43: ...circuit is simple the connection may be checked visually to see whether any loose or poor connection Voltage test the voltage at the input end shall be the same as the voltage at the output end Trouble Diagnosis of Electric Communication Step one to determine whether the connecting cables and tether cables of indoor outdoor units are correctly wired If not change wiring order and test connection S...

Page 44: ...wall Baffle Casing assembly Vertical louver Louver Cross flow fan assy Bearing Baffle Evaporator Guard motor Motor fan Cover motor Remote control Cover wire Thermistor room Thermistor pipe Clamp cord Terminal Cover wire Electric box cover Controller PCB Electric box Electric box cover Drain hose Plug Step motor Front panel Label Air filter 1844148 29 30 4151691 Display assembly Intake grille WHS09...

Page 45: ...l 13 1465763 Cover wire 14 1387643 Thermistor room 15 1471151 Thermistor pipe 16 1839902 Clamp cord 17 1852126 Terminal 18 1840039 Cover wire 19 1465761 Electric box cover 20 2029020 Controller PCB 21 1868909 Electric box 22 1465762 Electric box cover 23 1470426 Drain hose 24 1222824 Plug 25 1260259 Step motor 26 2007195 Front panel 27 Display assembly 28 Intake grille 29 Label 30 1506312 Air filt...

Page 46: ...y Vertical louver Vertical louver Louver Plug Bearing Cross flow fan assy Evaporator Front panel Remote control Thermistor room Display assembly Intake grille Label Air filter 45 1541379 1840141 1852126 1541500 1870720 1541507 1837043 1858726 1541374 1541369 1819726 1470426 1465670 1541361 1907022 1953451 1541365 1550294 1541362 1222824 1223738 1541622 1552313 1816260 1387643 1564511 1817532 15413...

Page 47: ...hose 22 Step motor 23 Electric box cover 24 Electric box 25 Controller PCB 26 Cover wire 27 Cover wire 28 Terminal 29 Clamp cord 30 Cover display 31 Remote control 32 Air filter 33 14 13 33 46 1907022 1954366 1541457 1550294 1541363 1222824 1541633 1223738 1465670 1556041 1816294 1564511 4151695 1817417 1383891 1387643 1561456 1541374 1541373 1541361 1541370 1470426 1819726 1541500 1870720 1922321...

Page 48: ... Motor fan 25 Thermistor pipe 26 Thermistor room 27 Cover display 28 Cover wire 29 Terminal 30 Electric box 31 Controller PCB 32 Electric box cover 33 Electric box cover 34 Baffle 35 Remote control 36 22 47 1896952 1868777 1511626 1248742 1868554 1225096 1512013 1508998 1509001 1509000 1470426 1516166 1222824 1508997 1508995 1508996 2007253 1510158 1880986 1962530 4151697 1962455 1810946 1510271 1...

Page 49: ...ox cover 1222824 1508997 1508995 1508996 2007253 1510158 1880986 1962530 4151697 1962455 1904474 1510271 1837643 1383891 1473879 1510281 1510280 1852126 1868943 2127844 1510290 1510284 Electric box cover 1509002 Baffle 4175260 Remote control INDOOR UNIT WHS36WMA21S 48 Bracket wall Casing assembly Cross flow fan assy Bearing Air outlet parts Step motor Mounting plate Axes Holder center Axes Drain h...

Page 50: ...OUTDOOR UNIT WHS09SZA21S WHS12SZA21S WHS09SZA11S WHS12SZA11S 49 1 10 2 3 4 5 6 7 8 9 11 12 13 14 15 16 17 18 19 20 21 22 23 31 24 25 26 27 28 29 30 ...

Page 51: ...27 Electric box cover 28 Thermistor discharge 29 Thermistor pipe 30 Tube electric heater Thermistor outdoor 31 50 WHS09SZA21S WHS12SZA21S WHS09SZA11S WHS12SZA11S 2135537 1405123 1820938 1824869 1824871 1824865 1824902 1824903 1855257 1832900 1843005 1343046 1855252 1258654 1511783 1823544 1822371 1824870 1855251 1258653 1407169 1855206 1854033 1854034 1918705 1843011 1854383 1855063 1823292 147266...

Page 52: ... right 20 Bracket conduit 21 Plate cover 22 Connecting board 23 Wire terminal board 24 Electric box 25 Inverter control PCB 26 Electric box cover 27 Thermistor discharge 28 Thermistor pipe 29 Thermistor outdoor 30 Tube electric heater 13 14 1 31 Senser mount plate 51 2138572 1556766 1854829 1849292 1846086 1846082 1854580 1854579 1854847 1850352 1847982 1513622 1850547 1511783 1408045 1850482 1495...

Page 53: ... right 20 Bracket conduit 21 Plate cover 22 Connecting board 23 Wire terminal board 24 Electric box 25 Inverter control PCB 26 Electric box cover 27 Thermistor discharge 28 Thermistor pipe 29 Thermistor outdoor 30 Tube electric heater 13 14 31 Senser mount plate 52 2138571 1841783 1841930 1841749 1841772 1841779 1854661 1871792 1854467 1844016 1841986 1205797 1851363 1511783 1408045 1830018 149523...

Page 54: ...wire dist 19 Electric box 20 Connecting board 21 Wire terminal board 22 Inverter control PCB 23 Electric box cover 24 Thermistor pipe 25 Thermistor discharge 26 Thermistor outdoor 27 Solenoid 28 Tube electric heater 29 Valve 4 way Part number 1542623 1542217 1561964 1561919 1878885 1819106 1854949 1561897 1534867 1302261 1877142 1854539 1847142 1817803 1536052 1456114 1866429 1865713 1846885 18468...

Page 55: ...ressor EEV assembly Valve 2 way 3 8 Valve 3 way 5 8 Cabinet right Cover wire dist Electric box Connecting board Wire terminal board Inverter control PCB Electric box cover Thermistor pipe Thermistor discharge Thermistor outdoor Solenoid Valve 4 way Tube electric heater 1878885 1819106 1854549 1814292 1534867 1302261 2002716 1926428 1847142 2146483 1536052 1456114 1866429 1865713 1986886 1846888 18...

Page 56: ...tructions 1 Flare nuts 4 Remote controller 1 Bag of wall anchors and screws 1 Remote controller holder 1 Screw for installations 5 AAA battery 2 Screw cover 09 12 model 1 18 24 model 3 30 36 model 4 Foam insulation 1 Warranty Card 1 55 Indoor unit Part name Q ty Part name Q ty Bottom rubber for outdoor unit 4 Power wire 1 Outdoor unit ...

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