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Schematic Diagram

(2)Model:GWHD(24)NK3DO

(3)Models:GWHD(24)NK3EO

WARNING

Please don't touch any terminal when the voltage
of terminal P(DC+) and N(DC-) at AP1 is higher
than 30V to prevent the risk of electrical shock!

4YV

INDOOR UNIT

COMP.

SAT

AP1: Main Board

FAN MOTOR

AP2

E(PE)

LOAD

LINE

FILTER

YEGN

POWER

EKV

TUBE-B

RT7

RT6

TEM.SENSOR

Liquid Valve

TEM.SENSOR

Gas Valve

RT4

RT5

TUBE-A

17WH

T-SENSOR

RT1

RT2

RT3

OUTTUBE

TEM.SENSOR

OUTROOM

TEM.SENSOR

EXHAUST

TEM.SENSOR

EKV

AC-L

HPP

OFAN

YEGN

6BU

5BU

2BN

YEGN

COM-INNER

19BU

20YE

OVC-COMP

18WH

16YEGN

15RD

13BU

14YE

AC-L1

AC-L2

BU
BK

1BN

Gas Valve

TEM.SENSOR

Liquid Valve

TEM.SENSOR

11BN

10BU

LX2-2

LX2-1

LX1-2

LX1-1

9YEGN

21BN

22BU

23RD

24RD

HEAT-C

COMP

HEATER

N(1)

2
3

N(1)

12YEGN

L
N

XTA

XTB

XT1

22BU

21BN

9YEGN

10BU

11BN

Tem.Sensor

Liquid Valve

Tem.Sensor

Gas Valve

HPS

1BN

AC-L2

AC-L1

14YE

13BU

15RD

16YEGN

18WH

OVC-COMP

FAN MOTOR

20YE

19BU

BU
BK

COM-INNER

YEGN

2BN

5BU

6BU

YEGN

OFAN

HPP

AC-L

EKV

TEM.SENSOR

EXHAUST

TEM.SENSOR

OUTROOM

TEM.SENSOR

OUTTUBE

RT3

RT2

RT1

T-SENSOR

17WH

TUBE-A

RT5

RT4

Gas Valve

TEM.SENSOR

Liquid Valve

Tem.Sensor

RT6

RT7

TUBE-B

EKV

YEGN

7BU

3BN

EKV

TUBE-C

RT9

RT8

Gas Valve

Tem.Sensor

Liquid Valve

Tem.Sensor

LX2-2

LX2-1

LX1-2

LX1-1

HEAT-C

24RD

23RD

4-WAY

VALVE

High Pressure Switch

CAP.

L
N

BU(WH)

BN(BK)

12YEGN

N(1)

POWER

YEGN(GN)

FILTER

LINE

LOAD

E(PE)

AP1: Main Board

SAT

COMP

INDOOR UNIT

4YV

than 30V to prevent the risk of electrical shock!

of terminal P(DC+) and N(DC-) at AP1 is higher

Please don't touch any terminal when the voltage

WARNING

INDOOR UNIT

AP2: Filter Board

TERMINAL
BLOCK

Overload

Protector

ELECTRONIC

EXPANSION VALVE

COMP.

TERMINAL
BLOCK

Compressor
Band Heater

XT1

XTB

XTA

XTC

Содержание GWHD(42)NK3AO

Страница 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI MODEL GWHD 14 NK3BO GWHD 18 NK3DO GWHD 24 NK3DO GWHD 24 NK3EO GWHD 28 NK3BO GWHD 36 NK3AO GWHD 42 NK3AO Refrigerant R410A Service Manual Change for Life...

Страница 2: ...nted Circuit Board 16 6 Description of Each Control Operation 20 7 Installation Manual 26 7 1 Electrical Connections 26 7 2 Installing the Outdoor Unit 29 7 3 Installation Dimension Diagram 30 7 4 Che...

Страница 3: ...Summary and Features 1 Summary and Features GWHD 14 NK3BO GWHD 18 NK3DO GWHD 36 NK3AO GWHD 42 NK3AO GWHD 24 NK3DO GWHD 24 NK3EO GWHD 28 NK3BO...

Страница 4: ...or repair work shall be performed by your dea ler or a specialized subcontractor as there is the risk of fire electric shock explosion or injury Have all wiring connected tightly Loose connection may...

Страница 5: ...Motor Speed rpm H M L 880 700 500 880 700 500 Output of Fan Motor W 60 60 Fan Motor RLA A 0 56 0 56 DQ 0RWRU DSDFLWRU 4 4 Air Flow Volume of Outdoor Unit 2600 2300 1600 2600 2300 1600 Fan Type Axial...

Страница 6: ...X44X559 800X44X559 Fan Motor Speed rpm H M L 880 700 500 880 700 500 Output of Fan Motor W 60 60 Fan Motor RLA A 0 56 0 56 DQ 0RWRU DSDFLWRU 4 4 Air Flow Volume of Outdoor Unit 2600 2300 1600 2600 230...

Страница 7: ...890X44X660 890X44X660 890X44X660 Fan Motor Speed rpm H M L 690 600 500 690 600 500 690 600 500 Output of Fan Motor W 60 60 60 Fan Motor RLA A 0 6 0 6 0 6 DQ 0RWRU DSDFLWRU 3 5 3 5 3 5 Air Flow Volume...

Страница 8: ...dth L 818 7X44X813 994 45X38 1X1056 Fan Motor Speed rpm H M L 860 760 540 840 620 520 Output of Fan Motor W 60 140 Fan Motor RLA A 0 56 0 96 DQ 0RWRU DSDFLWRU 3 7 Air Flow Volume of Outdoor Unit 3000...

Страница 9: ...onstruction Views 7 3 Construction Views 303 838 550 892 341 396 963 560 903 378 596 354 700 368 1 Models GWHD 14 NK3BO GWHD 18 NK3DO 2 Models GWHD 24 NK3DO GWHD 24 NK3EO GWHD 28 NK3BO Unit mm Unit mm...

Страница 10: ...Construction Views 8 3 Model GWHD 36 NK3AO 950 341 412 1022 572 840 378 Unit mm 4 Model GWHD 42 NK3AO 1015 360 440 1087 631 1103 401 Unit mm...

Страница 11: ...B3 B2 A2 A3 A1 A unit electronic expansion valve B1 B unit electronic expansion valve C1 C unit electronic expansion valve D1 D unit electronic expansion valve A2 A unit gas pipe temperature sensor B2...

Страница 12: ...QG JR WR WKH KHDW H FKDQJHU RI HDFK LQGRRU XQLW WR H FKDQJH KHDW ZLWK WKH DLU ZKLFK QHHGV WR EH FRQGLWLRQHG RQVHTXHQWO WKH UHIULJHUDQW OLTXLG EHFRPH ORZ WHPSHUDWXUH ORZ SUHVVXUH refrigerant gas again...

Страница 13: ...A YA QB YB CONNECTOR OVERLOAD PROTECTOR M FAN MOTOR EKV FB 5 5 BK FB YEGN PE WH RD BU BN BK C1 OFAN1 PE PE PE EH COMPRESSOR BAND HEATER 16RD 15RD 3 1 HEAT C 2BN LX1 2 OG LX1 1 WH L FA EKV WH 5 5 FA RD...

Страница 14: ...11BN BK WH BU BN BU X1 N1 N1 Tem Sensor LiquidValve Tem Sensor GasValve 4V HPS N1 1BN BK BU BN WH BU BK RD BN C1 AC L2 AC L1 N2 W U V 14YE 13BU 15RD 16YEGN 18WH OVC COMP FANMOTOR 20YE 19BU BN BU BK C...

Страница 15: ...er Please don t touch any terminal when the voltage WARNING 0 0 0 0 0 0 0 0 0 0 0 L FILTER N LINE LOAD L2 L1 L3 L4 L N RD YE BU LX2 2 LX2 1 YE RD BK WH BU BN BU N1 TEM SENSOR LiquidValve TEM SENSOR Ga...

Страница 16: ...AP XT1 XT2 XT3 XT4 XT5 C WH BK YE BU RD BN 1 3 5 7 1 2 3 4 5 6 LP CAPACITOR FOR FAN MOTOR COMPONENT POSITION DIAGRAM ELECTRONIC INFLATE VALVE 1 4 OVERLOAD PROTECTOR DISCHARGE GAS TEMP SENSOR RT1 C SA...

Страница 17: ...E L C SAT RT14 15 RT12 13 RT10 11 RT8 9 RT6 7 RT1 RT2 RT3 XT2 6 XT1 EH 4YV L COMP M LP HP EKV1 5 AP INDUCTANCE IN OUT PIPE TEMP SENSOR A IN OUT PIPE TEMP SENSOR B IN OUT PIPE TEMP SENSOR C IN OUT PIPE...

Страница 18: ...alve and gas valve 4 Compressor overload protector 5 Temperature sensor 6 Compressor electric heater 7 Outdoor fan 8 4 way valve 9 Chassis electric heater reserved 10 Unit A electronic expansion valve...

Страница 19: ...d protector 8 Interface of chassis electric heater 9 Interface of compressor HOHFWULF KHDWHU EHOW 10 Outdoor fan interface 11 4 way valve interface 12 High voltage protection interface 13 Interface of...

Страница 20: ...temperature sensor for liquid valve and gas valve unit D 10 Interface of temperature sensor for liquid valve and gas valve unit C 11 Interface of temperature sensor for liquid valve and gas valve uni...

Страница 21: ...eminals of 4 way valve 10 COM Teminals of communication 11 OFAN1 Teminals of fan 12 E1 Teminals of Earth 13 AC L Teminals of line wire 14 FUSE1 Fuse 15 N Teminals of neureal wire 16 HEAT Teminals of F...

Страница 22: ...then it will run in set speed The fan shall run at every speed for at least 80s When the quantity of running indoor unit is changed the unit will enter the control described in 1 3 5 1 and 1 3 5 2 Whe...

Страница 23: ...mpare the mode of the other indoor units to see if there is a conflict Cooling mode dry mode is in conflict with heating mode b Fan mode is in conflict with heating mode and the heating mode is the ba...

Страница 24: ...hrough the power 2 8 Compressor Phase lacking Protection When the compressor starts if one of the three phases is detected open the compressor will enter phase lacking protection The malfunction will...

Страница 25: ...dry mode the maximum value A of the capacity requirement percentage of single unit is 90 of that in cooling mode The open condition of the electronic expansion valve outdoor fan and compressor is the...

Страница 26: ...WKDW LQGRRU XQLW LV QRW LQVWDOOHG DQG ZLOO WUHDW LW DV LW LV not installed If the outdoor unit receives the communication data of that indoor unit later the outdoor unit will treat that unit as it is...

Страница 27: ...Refrigerant Recovery 7KH UHIULJHUDQW FDQ EH UHFRYHUHG IURP HLWKHU WKH LQGRRU XQLW RU WKH RXWGRRU XQLW KHQ WKH XQLW LV SRZHUHG RQ DQG UXQV XQGHU WKH 22 PRGH LW LV DYDLODEOH ZLWKLQ YH PLQXWH WR JR WKH...

Страница 28: ...wiring regulations 1 GWHD 14 NK3BO GWHD 18 NK3DO GWHD 24 NK3DO Handle L N To the power supply To unit B Power cord To unit A L L GWHD 14 NK3BO GWHD 18 NK3DO GWHD 24 NK3DO L N To the power supply To u...

Страница 29: ...bank The appliance shall be installed in accordance with national wiring regulations Do not install the outdoor unit where it is exposed to the sunlight 2 GWHD 24 NK3EO To the power supply To unit B T...

Страница 30: ...ng regulations Do not install the outdoor unit where it is exposed to the sunlight 3 GWHD 28 NK3BO valve cover To the power supply To unit B To unit A cord Power To unit C To unit D Outdoor unit Indoo...

Страница 31: ...electronic leak device 7 Turn the body of the 2 way and 3 way valves Discon nect the vacuum pump hose 8 Replace and tighten all the caps on the valves INDOOR UNIT Install the drain fitting and the dra...

Страница 32: ...units you must be guidedby trained and qualified person Ensure that the recommended space is left around the appliance GWHD 24 NK3DO GWHD 24 NK3EO GWHD 28 NK3BO Space to the cover Space to the cover...

Страница 33: ...Are the lines and pipelines correctly installed The unit may bread down or the components may be burned out Has the unit been safely grounded Are the models of lines in conformity with requirements T...

Страница 34: ...ame of the unit to see if it is damaged over the long time period of use 1HYHU UH W WKH XQLW DQG FRQWDFW WKH VDOHV DJHQW RU WKH SURIHVVLRQDO LQVWDOODWLRQ SHUVRQQHO IRU WKH UHSDLU RU UHORFDWLRQ RI the...

Страница 35: ...R QRW LQVWDOO WKH XQLW ZKHUH WKHUH DUH LQ DPPDEOH DQG H SORVLYH VXEVWDQFHV DQG ZKHUH WKHUH LV KHDY GXVW VDOW IRJ and other severely polluted air 1R DLU JXLGLQJ SLSH LV DOORZHG WR EH LQVWDOOHG DW WKH...

Страница 36: ...G IRU RWKHU SXUSRVH FXW RII RU HG E the tapping screw otherwise it would cause the hazard of electric shock 7KH UHOLDEOH HDUWK WHUPLQDO VKRXOG EH SURYLGHG DQG WKH HDUWK ZLUH FDQ QRW EH FRQQHFWHG WR DQ...

Страница 37: ...PDLQWHQDQFH DURXQG WKH unit 7KH LQVWDOODWLRQ ORFDWLRQ VKRXOG EH LQ JRRG FRQGLWLRQ VR WKDW WKH XQLW LV DEOH WR WDNH LQ DQG GLVFKDUJH HQRXJK DLU HVLGHV PDNH VXUH WKHUH LV QR REVWDFOH DW WKH DLU LQOHW RX...

Страница 38: ...SRZHU FDUG WR WKH WHUPLQDOV 1 DQG DOVR WKH HDUWKLQJ EROW DQG WKHQ FRQQHFW WKH ZLULQJ WHUPLQDOV N 1 2 3 of the indoor unit to those of the outdoor unit correspondingly 4 Fix the power cord with wire c...

Страница 39: ...WKH VFUHZ E WKH WRUTXH ZUHQFK XQLW LW FODWWHUV DV VKRZQ LQ LJ 7KH EHQGLQJ GHJUHH RI WKH SLSH FDQ QRW EH WRR VPDOO RWKHUZLVH LW ZLOO FUDFN QG SOHDVH XVH D SLSH WXEH EHQGHUU WR EHQG WKH SLSH UDS WKH H...

Страница 40: ...Pipe with Tape 1 Bundle the refrigerant pipe and electric wire together with tape and separate them from the drain pipe to prevent the FRQGHQVDWH ZDWHU RYHU RZLQJ UDS WKH SLSH IURP WKH ERWWRP RI WKH...

Страница 41: ...LJHUDQW SLSH OHQJWK OLTXLG SLSH LV VPDOOHU WKDQ WKDW OLVWHG LQ WKH WDEOH EHORZ QR DGGLWLRQDO UHIULJHUDQW ZLOO EH charged 7DEOH Model 7RWDO LTXLG 3LSH HQJWK D E F G H GWHD 36 NK3AO P GWHD 42 NK3AO P GG...

Страница 42: ...JHU RI HOHFWULF VKRFN Does the wire meet the regulated requirement 7KH XQLW PD EUHDN GRZQ RU WKH FRPSRQHQW PD EH EXUQW RXW V WKHUH DQ REVWDFOH DW WKH DLU LQOHW RXWOHW RI WKH indoor outdoor unit 7KH FR...

Страница 43: ...Exploded Views and Parts List 41 8 Exploded Views and Parts List 1 Models GWHD 14 NK3BO GWHD 18 NK3DO 1 2 3 4 5 8 9 6 10 11 12 13 14 17 20 21 24 26 27 28 16 15 22 25 7 18 19 23...

Страница 44: ...ensor 39000073 39000073 1 11 Cut off Valve 071302391 071302391 2 12 Cut off Valve 07130239 07130239 2 13 Valve cover 22242101 22242101 1 14 Big Handle 26233048 26233048 1 15 OHFWULF H SDQG YDOYH WWLQJ...

Страница 45: ...9000073 39000073 1 11 Cut off Valve 071302391 071302391 1 12 Cut off Valve 07130239 07130239 1 13 Valve Cover 22242101 22242101 1 14 Big Handle 26233048 26233048 1 15 Electric Expand Valve Fitting 430...

Страница 46: ...Exploded Views and Parts List 44 2 Model GWHD 24 NK3DO CB228W0070 1 2 3 4 5 8 9 6 10 11 12 13 14 17 20 21 24 26 27 28 29 30 31 32 33 34 16 15 22 25 7 18 19 35 36 37 38 23...

Страница 47: ...9000073 1 17 Electronic Expansion Valve assy 07133457 1 18 OHFWULF H SDQG YDOYH WWLQJ 4300008401 1 19 OHFWULF H SDQG YDOYH WWLQJ 43000084 1 20 Magnet Coil 4300040033 1 21 4 way Valve Assy 03123415 1 2...

Страница 48: ...Exploded Views and Parts List 46 3 Model GWHD 24 NK3DO CB228W0071 1 2 3 4 5 8 9 6 10 11 12 13 14 17 20 21 24 26 27 28 29 30 31 32 33 34 16 15 22 25 7 18 19 35 36 37 38 23...

Страница 49: ...39000073 1 17 Electronic Expansion Valve assy 07133457 1 18 OHFWULF H SDQG YDOYH WWLQJ 4300008401 1 19 OHFWULF H SDQG YDOYH WWLQJ 43000084 1 20 Magnet Coil 4300040033 1 21 4 way Valve Assy 03123415 1...

Страница 50: ...Exploded Views and Parts List 48 4 Model GWHD 24 NK3EO CB228W0100 1 2 3 4 5 8 9 6 10 11 12 13 14 19 22 23 26 28 29 30 31 32 33 34 35 37 36 39 40 17 16 24 27 15 38 18 20 21 7 25...

Страница 51: ...73 1 18 OHFWULF H SDQG YDOYH WWLQJ 4300008402 1 19 Electronic Expansion Valve assy 07133456 1 20 OHFWULF H SDQG YDOYH WWLQJ 43000084 1 21 OHFWULF H SDQG YDOYH WWLQJ 43000084 1 22 Magnet Coil 430004003...

Страница 52: ...Exploded Views and Parts List 50 5 Model GWHD 24 NK3EO CB228W0101 1 2 3 4 5 8 9 6 10 11 12 13 14 19 22 23 26 28 29 30 31 32 33 34 35 37 36 39 40 17 16 24 27 15 38 18 20 21 7 25...

Страница 53: ...ture Sensor 3900007301 1 17 Temperature Sensor 39000073 1 18 OHFWULF H SDQG YDOYH WWLQJ 4300008402 1 19 Electronic Expansion Valve assy 07133456 1 20 OHFWULF H SDQG YDOYH WWLQJ 43000084 1 21 OHFWULF H...

Страница 54: ...Exploded Views and Parts List 52 6 Model GWHD 28 NK3BO CB228W0110 1 2 3 4 5 8 9 6 10 11 12 13 14 22 23 24 27 29 30 31 32 33 34 35 36 38 37 18 17 25 28 16 15 39 40 41 7 19 20 21 26...

Страница 55: ...7302 1 17 Temperature Sensor 3900007301 1 18 Temperature Sensor 39000073 1 19 OHFWULF H SDQG YDOYH WWLQJ 4300008403 1 20 OHFWULF H SDQG YDOYH WWLQJ 4300008402 1 21 OHFWULF H SDQG YDOYH WWLQJ 430000840...

Страница 56: ...Exploded Views and Parts List 54 7 Model GWHD 28 NK3BO CB228W0111 1 2 3 4 5 8 9 6 10 11 12 13 14 22 23 24 27 29 30 31 32 33 34 35 36 38 37 18 17 25 28 16 15 39 40 41 7 19 20 21 26...

Страница 57: ...7302 1 17 Temperature Sensor 3900007301 1 18 Temperature Sensor 39000073 1 19 OHFWULF H SDQG YDOYH WWLQJ 4300008403 1 20 OHFWULF H SDQG YDOYH WWLQJ 4300008402 1 21 OHFWULF H SDQG YDOYH WWLQJ 430000840...

Страница 58: ...Exploded Views and Parts List 56 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 30 31 32 33 34 35 36 37 38 39 40 41 42 8 Model GWHD 36 NK3AO CN860W0011...

Страница 59: ...rainer 07212121 1 19 StrainerA 07210022 1 20 Bidirection Accumulator 07228741 1 21 4 Way Valve Assy 04144307 1 22 Pressure Protect Switch 4602000902 1 23 Gas liquid Separator 07220030 1 24 4 way Valve...

Страница 60: ...loded Views and Parts List 58 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 9 Model GWHD 42 NK3AO CN860W0...

Страница 61: ...rainerA 07210022 1 16 Cut off Valve 07334403 1 17 Cut off Valve 07334402 1 18 StrainerA 07210022 1 19 Valve support assy 01804238 1 20 Oil Separator 07228302 1 21 7XEH OLS 0214000521 1 22 StrainerA 07...

Страница 62: ...Electric Box Assy 02404113 1 45 0RWRU 6XSSRUW 6XE VV 01805402 1 46 Left Side Plate 01305064P 1 47 Condenser support plate 01895309 1 48 ODSERDUG 01244141 1 49 Fan Motor 1570522801 1 50 Axial Flow Fan...

Страница 63: ...21 Complete unit frequency restriction protection 22 Complete unit frequency dropping protection 23 Unit A frequency restriction or frequency dropping protection 24 Unit B frequency restriction or fr...

Страница 64: ...wire misconnection or expansion valve malfunction 57 Unit C communication wire misconnection or expansion valve malfunction 58 Unit D communication wire misconnection or expansion valve malfunction No...

Страница 65: ...the unit to operate Test the resistance between the three phases Reconnect the wire of the compressor according to the correct wiring method If the resistance is normal If the resistance is above 500M...

Страница 66: ...d well and if the induction is broken Flow chart Start Check If the power supply is normal Power supply is abnormal yes yes yes no no no Check if the outdoor induction is broken The induction is broke...

Страница 67: ...tweenthetwo ends of the electrolytic capacitor with the DC shift of the universal meter The voltage is above 100V yes yes yes no no no The detection circuit of the outdoor mainboard has malfunction Re...

Страница 68: ...art Start If the outdoor ambient temperature is above 53 yes yes yes no no no It is a normal protection please operate the unit after the outdoor ambient temperature has changed If the indoor and outd...

Страница 69: ...nction Check whether the temperature senspr is normal according to resistance table Replace the temperature sensor with the same model Replace the controller with the same model End Eliminate the malf...

Страница 70: ...3min no no no no no no yes yes yes yes yes yes If the connection wire of the compressor is connected well and correctly Eliminate the malfunction Reconnecttheconnectionwire ofthecompressoraccording to...

Страница 71: ...malfunction of some indoor units De energize check the connection wire of indoor and outdoor unit and the wire of the eletric box is connected correctly no no no Connected correctly Reconnect accordi...

Страница 72: ...d correctly Connected correctly Reconnect according to the wiring diagram Connected correctly Reconnect according to the wiring diagram De energize check if the connection wire between the outdoor mai...

Страница 73: ...k If the wiring of the eletric expansion valve is coonected well Replace the overload protector Check the coil of the eletric expansion valve replace it if it is broken Eliminate the malfunction Recon...

Страница 74: ...ate the malfunction Eliminate the malfunction Eliminate the malfunction Replace the compressor End no no no no no no yes yes yes yes yes yes Replace outdoor mainboard The unit appears desynchronizing...

Страница 75: ...e door and window Direct sunlight DQJ D FXUWDLQ RU EOLQGV RYHU WKH ZLQGRZ Too much people in the room Too much heat sources in the room Reduce the heat sources LUW OWHU VFUHHQ OHDQ WKH OWHU VFUHHQ 1RW...

Страница 76: ...emp Sensor Error F5 Flash 5 times F5 F5 Outdoor Oil Return for Cooling F7 Outdoor High Pressure Protection E1 Flash once E1 E1 Outdoor Shutdown for Whole Unit Anti Freeze Protection E2 Flash twice E2...

Страница 77: ...sh 7 times H7 H7 Outdoor PFC Error Hc Flash 6 times Hc Hc Outdoor L9 Flash 20 times L9 L9 Outdoor Startup Failure Lc Flash 11 times Lc Lc Outdoor Phase Loss Ld Flash 3 times Flash 3 times Flash 3 time...

Страница 78: ...Unit D indoor pipe midway temperature sensor error 47 Unit D anti freezing protection 55 8QLW LQGRRU DPELHQW temperature sensor error 43 Unit D indoor unit pipe outlet temperature sensor error 51 Unit...

Страница 79: ...y check the inlet and outlet of main pipe connecting with each indoor unit and capillary of indoor and outdoor units Replace the parts like filter capillary and so on Check if indoor unit fan and outd...

Страница 80: ...un Check if swing louver of indoor unit is completely open Check if there is filth blockage to indoor outdoor filter or heat exchange fin System pipeline is blocked Mainly check the inlet and outlet o...

Страница 81: ...e overcurrent protector If unit s high pressure is normal Refer to high pressure protection If voltage is normal Contact the power supply company Replace mainboard N Y Y N Y Discharge temperature prot...

Страница 82: ...k the cables of water drainge pump Check if the water drainage pump works Check if the water drainage pipe is jammed or if water flows smoothly Clear the water drainage pipe Adjust the water drainage...

Страница 83: ...rd Remove the sensor to check if the resistance value is ok Replace mainboard of the indoor uint Replace temperature sensor Check the direction of the plug and socket N N Y Y Y Failure of Exhaust Temp...

Страница 84: ...34 10 2 73 2 358 112 0 717 4 60 23 35 9 779 74 2 28 113 0 697 3 57 18 36 9 382 75 2 206 114 0 678 2 54 31 37 9 003 76 2 133 115 0 66 1 51 59 38 8 642 77 2 064 116 0 642 0 49 02 39 8 297 78 1 997 117 0...

Страница 85: ...59 73 3 144 112 0 956 4 80 31 35 13 04 74 3 04 113 0 93 3 76 24 36 12 51 75 2 94 114 0 904 2 72 41 37 12 76 2 844 115 0 88 1 68 79 38 11 52 77 2 752 116 0 856 0 65 37 39 11 06 78 2 663 117 0 833 1 62...

Страница 86: ...53 74 62 11 32 101 3 22 15 362 9 24 51 41 63 10 93 102 3 13 14 342 8 25 49 19 64 10 54 103 3 04 13 323 9 26 47 08 65 10 18 104 2 96 12 306 2 27 45 07 66 9 83 105 2 87 11 289 6 28 43 16 67 9 49 106 2 7...

Страница 87: ...mbly 1 Models GWHD 14 NK3BO GWHD 18 NK3DO Steps Procedure 1 Before disassembly Complete axonometric drawing 2 Remove valve cover Remove the connection screw fixing the valve cover and then remove the...

Страница 88: ...e front panel and then remove the top panel 5 Remove front grille Remove the connection screws connecting the front grille and the front panel and then loosen the clasp to remove the front grille 6 Re...

Страница 89: ...pport Then remove the right side plate 8 Remove rear grill Remove the screws connecting the rear grill and left side plate and then remove the rear grill 9 Remove left side plate Remove the screws fix...

Страница 90: ...e leading wire insert of the motor Then remove the motor Remove the 2 tapping screws fixing the motor support and chassis and then lift the motor support to remove it 12 Remove electric box assy Remov...

Страница 91: ...Unsolder the welding joint connecting the 4 way valve assy with compressor suction and discharge port the valve with the outlet pipe of condenser Then lift the 4 way valve assy to remove it NOTE Disch...

Страница 92: ...iddle isolation sheet 17 Remove compressor Remove the 3 foot nuts fixing the compressor and then remove the compressor 18 Remove condenser assy Remove the screws fixing the condenser support and then...

Страница 93: ...tion screw fixing the valve cover and then remove the valve cover 3 Remove top panel Remove the connection screws connecting the top panel with the right side plate and the left side plate and then re...

Страница 94: ...and then loosen the clasp to remove the front grille 5 Remove front panel Remove the screws connecting the front panel and then remove the front panel 6 Remove right side plate grille front panel rig...

Страница 95: ...rt Remove the screws connecting the rear grill and the left side plate and then remove the rear grill Remove the screws fixing the left side plate with the chassis and the condenser support and then r...

Страница 96: ...blade and then remove the axial flow blade Remove the 4 tapping screws fixing the motor and disconnect the leading wire insert of the motor Then remove the motor Remove the 2 tapping screws fixing th...

Страница 97: ...lder the welding joint connecting the 4 way valve assy with compressor suction and discharge port the valve with the outlet pipe of condenser Then lift the 4 way valve assy to remove it NOTE Discharge...

Страница 98: ...sor condenser assy Remove the screws connecting the middle isolation sheet with the chassis assy and the condenser assy and then remove the middle isolation sheet Remove the 3 foot nuts fixing the com...

Страница 99: ...joint connecting the electronic expansion valve sub assy with the gas collection pipe and then remove the electronic expansion valve assy Note when unsoldering wrap the gas valve with a wet cloth com...

Страница 100: ...WKH FRYHU SODWH LVDVVHPEOH WKH IURQW SDQHO LVDVVHPEOH WKH SDQHO RQ WKH ULJKW VLGe Disassembly and Assembly of Outer Casing 5HPRYH WKH IL HG VFUHZV RQ WKH FRYHU SODWH E using a screwdriver Remove the c...

Страница 101: ...DVLQJ LVDVVHPEOH WKH IDQ EODGHV 5HPRYH WKH IL HG VFUHZV RQ WKH JULOOH E XVLQJ a screwdriver Remove the grille 5HPRYH WKH IL HG VFUHZV RQ WKH RXWHU FDVLQJ E using a screwdriver Remove the outer casing...

Страница 102: ...K FRPSUHVVRr Disassembly and Assembly of Compressor Disconnect the pipeline connected with compressor Remark Make sure that there is no refrigerant in pipe system and the power supply is cut off befor...

Страница 103: ...em 3ODFH WKH FRPSUHVVRU RQ WKH ERWWRP SODWH 7LJKHQ WKH QXWV E XVLQJ D WRRO 5HPRYH WKH EROWV RQ WKH FRPSUHVVRU E XVLQJ D WRRO 7DNH GRZQ WKH EDG FRPSUHVVRU IURP WKH ERWWRP SODWH Steps Procedure Steps Pr...

Страница 104: ...he 4 way valve and reconnect it with the pipeline 4 Install the 4 way valve coil Disconnect the 4 way valve and the connected pipe E D ZHOGLQJ JXQ 7DNH GRZQ WKH EDG ZD YDOYH Place the new 4 way valve...

Страница 105: ...electronic expansion valve coil Disassembly and Assembly of Electronic Expansion Valve Disconnect the electronic expansion valve and the FRQQHFWHG SLSH E D ZHOGLQJ JXQ Place the new electronic expans...

Страница 106: ...th the pipeline Disassembly and Assembly of Vapour Liquid Separator Disconnect the liquid separator and the connected pipeline 5HPRYH WKH EROW IL LQJ WKH OLTXLG VHSDUDWRU E D WRRO 5HPRYH WKH OLTXLG VH...

Страница 107: ...duct specification and appearance in this manual without notice and without incurring any obligations Add West Jinji Rd Qianshan Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669426 E m...

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