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Accessories

Part name

Q’ty

Part name

Q’ty

Remote controller instructions

1

Drain joint rubber seal

1

Use and installation instructions

1

Flare nuts

4

Remote controller

1

Bag of wall anchors and screws

1

Remote controller holder

1

Screw for installations

6

AAA battery

2

Screw cover

3

Foam insulation

09 model: 1
12 model: 2

Warranty card

1

Drain joint

1

Rubber plug

6

-

 

39

 -

Indoor unit

Part name

Q’ty

Part name

Q’ty

Use and installation instructions

1

Power wire

1

Bottom rubber for outdoor unit

4

Out

door unit

Содержание WHZ09SZA21S

Страница 1: ...R SERVICE MANUAL INDOOR WHZ09WMA21S WHZ12WMA21S OUTDOOR WHZ09SZA21S WHZ12SZA21S 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 12 13 ...

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: ...4 41 LOW 31 37 LOWER 28 30 Heat exchanger type Dimensions H W D in mm 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 33 7 16 8 7 16 270 850 215 12 3 8 37 13 16 9 5 16 315 960 236 Gross 13 3 16 37 10 7 16 335 940 265 15 3 8 40 ...

Страница 5: ...ht Net lb kg 75 34 84 38 Gross 82 37 93 42 Connection pipe Size Liquid in mm Ø1 4 Ø6 35 Gas Ø3 8 Ø9 52 Method Flare Pre charge length ft m 24 6 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 0 4 to 115 18 to 46 Heating 13 to 75 25 to 24 NOTES Specifications are based on the following condit...

Страница 6: ...it Drain port Ø11 16 18 7 3 16 183 2 33 7 16 850 1 3 8 35 8 15 16 227 10 5 8 269 9 1 11 16 43 11 16 17 8 7 16 214 6 28 7 16 723 3 5 8 92 2 1 2 63 5 1 13 16 46 5 2 3 4 70 Ø2 3 4 70 23 5 16 592 Outline of indoor unit Bottom view Side view Side view Front view 5 ...

Страница 7: ...8 307 2 10 5 16 262 5 8 16 9 5 16 236 3 1 8 79 31 9 16 801 Tube exit 36 914 37 13 16 960 4 102 2 1 16 53 12 3 8 315 Drain port Ø11 16 18 Bottom view Side view Side view Top view Front view 1 9 16 40 5 3 8 137 Ø2 3 4 70 24 3 4 629 Outline of indoor unit 6 ...

Страница 8: ... product safety Distance from the ceiling should be over 200 mm 7 9 in Distance from the wall should be over 50 mm 2 in Distance from the obstacle should be over 3 0 m 10 ft Distance from the floor should be over 2 4 m 8 ft Distance from the wall should be over 50 mm 2 in 7 ...

Страница 9: ...Models WHZ09SZA21S and WHZ12SZA21S Unit in mm 11 280 23 1 16 585 31 7 8 810 3 75 56 12 3 16 310 20 1 16 510 8 ...

Страница 10: ... If the installation is not performed accordingly it could cause a short circuit and result in a lack of operating performance Distance from the obstacle should be over 500 mm 20 in Air intake distance from the wall should be over 250 mm 10 in Air outlet distance from the wall should be over 500 mm 20 in Air intake distance from the wall should be over 250 mm 10 in over 250 mm 10 in 9 ...

Страница 11: ...Refrigerant circuit Models WHZ09SZA21S and WHZ12SZA21S 10 ...

Страница 12: ...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 13: ... 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 14: ...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 15: ...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 14 ...

Страница 16: ...LVE OPTIONAL OPTIONAL OPTIONAL OPTIONAL OPTIONAL HEATER PRESSURE PROTECTOR OPTIONAL COOL VALVE DRED TERMINAL PANEL BRN BLU RED GN BLK WHT GN BLK WHT AC POWER CM CONTROL BOARD INDOOR UNIT FM M Compressor 20 68 F 09 model 2 08 12 model 1 82 Fan motor 1 2 3 4 5 6 Pin No Terminal code Vm GND Vcc Vsp FG Function of terminal Revolution pulse output Speed control voltage input Control power voltage input...

Страница 17: ...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 18: ...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 19: ...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 20: ...p key can set into 4 different combination ways 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 Flash x OFF 1 2 3 4 Con...

Страница 21: ...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 22: ... 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 23: ...s failure 21 Outdoor coil anti overload protection with cooling a b The refrigerant is too much 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 24: ...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 25: ...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 26: ... 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 27: ...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 28: ...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 29: ...age is greater than protective over voltage value or less than protective under voltage value for five seconds over voltage under voltage protection tarts 2 Protection actions against AC input over voltage under voltage The system stops operation 3 Conditions for ending AC input over voltage under voltage If the input AC voltage is lower than the protective over voltage value 10V or higher than th...

Страница 30: ...or 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 the temperature of compressor discharge drops below X6 prohibition of frequency rising of compressor discharge will be released 4 Prohibition of frequency for anti overload of outdoor coiled pipe ...

Страница 31: ...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 32: ...1 2 3 4 5 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 32 33 34 35 36 37 Indoor unit WHZ09WMA21S Parts list 31 ...

Страница 33: ...2007198 1555391 1874771 4151756 1826563 1506312 Bracket wall No Part number Description Baffle Base assembly Vertical louver Holder center Holder center Holder center Step motor Guard motor Louver Cross flow fan assy Bearing Baffle Evaporator Guard motor DC motor Cover motor Remote control Cover wire Thermistor room Thermistor pipe Clamp cord Terminal Cover wire Controller PCB Electric box Electri...

Страница 34: ...1 2 3 4 5 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 32 33 34 35 36 37 38 Indoor unit WHZ12WMA21S 33 ...

Страница 35: ...0 1383891 1387643 1824935 4227894 1826043 1541386 Cover display No Part number Description Clamp cord Terminal Electric box cover Electric box Controller PCB Cover wire Cover wire DC motor Cover motor Guard motor Step motor Drain hose Baffle Baffle Bracket wall Base assembly Step motor Holder center Guard motor Louver Plug Vertical louver Holder center Vertical louver Bearing Cross flow fan assy E...

Страница 36: ...1 2 3 4 5 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 WHZ09SZA21S 35 ...

Страница 37: ...1831029 1546721 Front panel w grille No Part number Description Propeller fan blade Fan motor Motor bracket Mounting plate Top panel Protective net back Protective net left Condenser assembly Base assembly Separate wall Choke coil Valve 4 way TA Solenoid Valve 4 way Compressor Compressor wire EEV assembly Valve 2 way 1 4 Valve 3 way 3 8 Cabinet right Bracket conduit Plate cover Connecting board Wi...

Страница 38: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 18 19 20 21 22 23 24 25 26 27 28 29 30 31 Outdoor unit WHZ12SZA21S 37 ...

Страница 39: ... 1831029 1546721 Front panel w grille No Part number Description Propeller fan blade Fan motor Motor bracket Mounting plate Top panel Protective net back Protective net left Condenser assembly Base assembly Separate wall Choke coil Valve 4 way TA Solenoid Valve 4 way Compressor Compressor wire Valve 2 way 1 4 Valve 3 way 3 8 Cabinet right Bracket conduit Plate cover Connecting board Wire terminal ...

Страница 40: ...mote controller 1 Bag of wall anchors and screws 1 Remote controller holder 1 Screw for installations 6 AAA battery 2 Screw cover 3 Foam insulation 09 model 1 12 model 2 Warranty card 1 Drain joint 1 Rubber plug 6 39 Indoor unit Part name Q ty Part name Q ty Use and installation instructions 1 Power wire 1 Bottom rubber for outdoor unit 4 Outdoor unit ...

Страница 41: ......

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