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AIR CONDITIONER

Wall mounted type

REFRIGERANT 

 

R410A

INVERTER

INDOOR

WHP09WMA21S

WHP12WMA21S

WHP18WMA21S

WHP24WMA21S

OUTDOOR

WHP09SZA21S

WHP12SZA21S

WHP18SZA21S

WHP24SZA21S

, 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.

2020.06.30

           SERVICE MANUAL

Содержание WHP09SZA21S

Страница 1: ...12WMA21S WHP18WMA21S WHP24WMA21S OUTDOOR WHP09SZA21S WHP12SZA21S WHP18SZA21S WHP24SZA21S 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 2020 06 30 SERVICE MANUAL ...

Страница 2: ...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 OR DEATH ONLY A QUALIFIED EXPERIENCED ELECTRICIAN SHOULD ATTEMPT TO WIRE THIS SYS...

Страница 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 ...

Страница 4: ...LOWER 26 Heating HIGHER 42 HIGH 39 MED 32 LOW 29 LOWER 26 Heat exchanger type Dimensions H W D in mm 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 33 7 16 8 7 16 270 850 215 Gross 13 3 16 37 10 7 16 335 940 265 Weight Net lb kg 20 9 Gross 24 11 26 12 Connection pi...

Страница 5: ...LOWER 34 33 Heating HIGHER 48 50 HIGH 45 47 MED 41 42 LOW 37 36 LOWER 34 33 Heat exchanger type Dimensions H W D in mm 14 7 8 33 1 8 1 1 16 378 842 27 2 Fin pitch FPI 18 Rows Stages 2 18 Pipe type Copper Fin type Aluminum Enclosure Material Polystyrene Color White Dimensions H W D Net in mm 12 3 8 44 1 2 9 5 16 315 1 130 237 Gross 15 3 8 47 5 8 12 7 16 390 1 210 316 Weight Net lb kg 32 14 5 Gross ...

Страница 6: ...3 16 640 940 385 Weight Net lb kg 60 27 73 33 Gross 65 29 5 79 36 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 o...

Страница 7: ...1 16 41 5 16 19 11 16 890 1 050 500 Weight Net lb kg 99 45 134 61 Gross 108 49 144 65 5 Connection pipe Size Liquid in mm Ø 1 4 Ø 6 35 Ø 3 8 Ø 9 52 Gas Ø 1 2 Ø 12 7 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 range Cooling F C 5 to 115 15 to 46 Heating ...

Страница 8: ...ort Ø11 16 18 7 3 16 183 2 Tube exit 8 7 16 215 10 5 8 270 11 16 17 1 11 16 43 8 15 16 227 1 13 16 46 5 Models WHP18WMA21S and WHP24WMA21S Unit in mm Drain port Ø11 16 18 Tube exit Air inlet 38 3 16 970 2 1 8 80 44 1 2 1 130 42 11 16 1 084 4 102 12 3 8 315 9 5 16 237 5 8 16 2 1 16 53 1 7 8 47 10 5 16 262 12 1 8 307 2 7 ...

Страница 9: ...Installation space requirement Unit in mm 8 Provide sufficient installation space for product safety ...

Страница 10: ...6 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 9 ...

Страница 11: ...Model WHP12SZA21S 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 10 ...

Страница 12: ...18SZA21S 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 11 ...

Страница 13: ...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 12 ...

Страница 14: ...24SZA21S 13 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 ...

Страница 15: ...th Max 65 4 ft 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 wat...

Страница 16: ...Refrigerant circuit Models WHP09SZA21S WHP12SZA21S WHP18SZA21S and WHP24SZA21S 15 ...

Страница 17: ...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 ...

Страница 18: ... 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...

Страница 19: ...Wiring diagrams Models WHP09WMA21S WHP12WMA21S WHP18WMA21S and WHP24WMA21S 18 ...

Страница 20: ... G OPTIONAL HEAT SINK TEMP CN903 CN909 CN904 YEL CN905 BLK CN907 WHT BLK CN906 BRN OG CN201 BRN OG CN202 RED CN902 BLU WHT RED RED CN921 CN807 RED CN910 WHT CN920 WHT CN911 1 2 W V U W V U AC L AC N CN801 CN203 CN204 CN206 RED BRN BLU Y G CN952 ELECTRONIC EXPANSION VALVE OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL HEATER PRESSURE PROTECTOR OPTIONAL COOL VALVE DRED TERMINAL PANEL BRN BLU RED GN BL...

Страница 21: ...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...

Страница 22: ...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...

Страница 23: ...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...

Страница 24: ... 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...

Страница 25: ...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 ...

Страница 26: ... 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...

Страница 27: ...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...

Страница 28: ...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...

Страница 29: ...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...

Страница 30: ... 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...

Страница 31: ...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...

Страница 32: ...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...

Страница 33: ... 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...

Страница 34: ...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...

Страница 35: ...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...

Страница 36: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 33 34 35 36 37 18 19 20 21 22 23 24 28 27 26 25 29 30 31 17 16 15 32 INDOOR UNIT WHP09WMA21S Parts 35 ...

Страница 37: ...87 Remote controller 19 1840039 Electric box cover 20 1837499 Temperature sensor 21 1896665 Temperature sensor 22 1839902 Over clamp 23 1852126 Wire terminal board 24 1465763 Electric box cover 25 1465762 Elec joint box plate 26 1994823 Indoor main control board component 27 1868909 Electric box 28 1465761 Elec joint box plate 29 1470426 Water pipe parts 30 1222824 Axis sheath 31 1468408 Step moto...

Страница 38: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 33 32 34 35 37 36 15 16 17 19 31 30 28 27 23 24 25 26 22 21 20 29 18 INDOOR UNIT WHP12WMA21S 37 ...

Страница 39: ...87 Remote controller 19 1840039 Electric box cover 20 1837499 Temperature sensor 21 1896665 Temperature sensor 22 1839902 Over clamp 23 1852126 Wire terminal board 24 1465763 Electric box cover 25 1465762 Elec joint box plate 26 1994827 Indoor main control board component 27 1868909 Electric box 28 1465761 Elec joint box plate 29 1470426 Water pipe parts 30 1222824 Axis sheath 31 1468408 Step moto...

Страница 40: ...阶 段 标 记 重 量 比 例 标记处数 更改文件号 签 字 日 期 设 计 共 1 张 第 1 张 校 对 标准化 10 11 11 11 1 2 3 7 5 9 4 6 4 8 14 13 12 15 16 18 19 17 20 26 24 25 23 22 21 30 31 32 33 34 35 36 37 38 29 28 27 INDOOR UNIT WHP18WMA21S 39 ...

Страница 41: ...Ornamental part 19 1824935 Display component 20 4151757 Panel 21 1541389 Ornamental part 22 23 1837499 Temperature sensor 24 1896665 Temperature sensor 25 1561456 DC motor 26 1541374 Motor cover 27 1541375 Motor guard 28 1541361 Baffle 29 1470426 Water pipe parts 30 1819726 Step motor 31 1541500 Elec joint box plate 32 1870720 Electric box 33 1989042 Indoor main control board component 34 1541507 ...

Страница 42: ...阶 段 标 记 重 量 比 例 标记处数 更改文件号 签 字 日 期 设 计 共 1 张 第 1 张 校 对 标准化 1 2 8 4 10 3 7 5 9 4 11 11 11 12 13 14 15 16 18 19 17 20 6 28 26 31 29 25 24 30 35 36 37 23 22 21 38 32 33 34 27 INDOOR UNIT WHP24WMA21S 41 ...

Страница 43: ...Ornamental part 19 1824935 Display component 20 4151757 Panel 21 1541389 Ornamental part 22 23 1837499 Temperature sensor 24 1896665 Temperature sensor 25 1561456 DC motor 26 1541374 Motor cover 27 1541375 Motor guard 28 1541361 Baffle 29 1470426 Water pipe parts 30 1819726 Step motor 31 1541500 Elec joint box plate 32 1870720 Electric box 33 1997858 Indoor main control board component 34 1541507 ...

Страница 44: ...29 5 4 1 2 3 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 OUTDOOR UNIT WHP09SZA21S 43 ...

Страница 45: ...838380 Compressor 16 1822371 Compressor connect wire 17 1824870 Valve seat 18 1838379 Capillary assembly 19 1258653 1 4 2 way valve 20 1407169 3 8 3 way valve 21 1855206 Right side board 22 1854033 Wiring distribution cover assy 23 1854034 Fixed board 24 1894523 Electric box 25 1843011 Connecting board 26 1854383 Wire terminal board 27 1985606 Outdoor main control board component 28 1894526 Electr...

Страница 46: ...10 1 2 3 4 5 6 7 8 9 11 32 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 OUTDOOR UNIT WHP12SZA21S 45 ...

Страница 47: ...Compressor 16 1822371 Compressor connect wire 17 1854557 Capillary assembly 18 1844583 1 4 2 way valve 19 1335015 3 8 3 way valve 20 1846084 Right side board 21 1854040 Wiring distribution cover assy 22 1854034 Fixed board 23 1937153 Connecting board 24 1852124 Wire terminal board 25 1951957 Electric box 26 1985663 Outdoor main control board component 27 1894526 Electric box cover 28 1472663 Tempe...

Страница 48: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 31 30 29 28 27 26 25 24 23 OUTDOOR UNIT WHP18SZA21S 47 ...

Страница 49: ...verter compressor 16 1847142 Strong electricity connect wire 17 1854774 Capillary assembly 18 1844583 1 4 2 way valve 19 1844499 1 2 3 way valve 20 1841776 Right side board 21 1854040 Wiring distribution cover assy 22 1854034 Fixed board 23 1842392 Connecting board 24 1852124 Wire terminal board 25 1841985 Electric box 26 1854367 Controller component 27 1546706 Electric box cover 28 1511780 Temper...

Страница 50: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 OUTDOOR UNIT WHP24SZA21S 49 ...

Страница 51: ...sembly 13 1830018 Compressor 14 1847142 Strong electricity connect wire 15 1867906 Electronic expansion valve assembly 16 1536052 3 8 2 way valve 17 1456114 5 8 3 way valve 1866429 Right side board part 2006156 Controller component 1852124 Wire terminal board 1822633 Temperature sensor 1822634 Temperature sensor 1852304 Temperature sensor 1863482 Clapboard part 1865713 Wiring distribution cover as...

Страница 52: ...ag 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 Foam insulation 09 18 model 1 24 mode 2 Warranty Card 1 Drain joint 1 51 Accessories Indoor unit Outdoor unit Part name Q ty Part name Q ty Use and installation instructions 1 Power wire 1 Bottom rubber for outdoor unit 4 ...

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