Gree GWH(07)MA-K3DNA3B Page 9 Service Manual Download

Page: 9 / 57

5. Schematic Diagram

5.1 Electrical Data

5.2 Electrical Wiring

Schematic Diagram

Symbol

Color symbol

Symbol

Color symbol

WHITE

BROWN

YELLOW

BLUE

RED

BLACK

YEGN

YELLOW GREEN

VIOLET

ORANGE

PROTECTIVE EARTH

SAT

OVERLOAD

COMP

COMPRESSOR

Meaning of marks

AC-L

3BK

TEM.SENSOR

ROOM

TUBE

SWING-UD

ROOM

RT2

AP2

2BN

4YEGN

1BU

FAN

Outdoor Unit

YEGN

N(1)

TUBE

RT1

SWING

MOTOR

COM-OUT

PGF

MOTOR

CAP

JUMP

DISP2

DISP1

AP1

RECEIVER AND

DISPLAY BOARD

HEALTH-N

HEALTH-L

GENERATOR

COOL PLASMA

NOTE:The parts with broken line is applicable

to the models with COOL PLASMA GENERATOR

EVAPORATOR

For 07/09/12K Unit

Summary of Contents for GWH(07)MA-K3DNA3B

Page 1: ...8 MC K3DNA3B I GWH 09 MA K3DNB8B I GWH 12 MB K3DNB8B I GWH 07 MA K3DNC5B I GWH 09 MA K3DNC5B I GWH 12 MB K3DNC5B I GWH 18 MC K3DNC5B I GWH 07 MA K3DNB8B I Cold plasma GWH 09 MA K3DNB8B I Cold plasma G...

Page 2: ...mote Control Operations 11 6 2 Description of Each Control Operation 15 Part 6 Function and Control 11 Part 7 Installation Manual 18 5 3 Printed Circuit Board 9 7 1 Notices for Installation 18 7 3 Ins...

Page 3: ...I FEEL CLOCK TIMER ON X FAN TEMP TIMER OFF TURBO SLEEP LIGHT GWH 09 MA K3DNA2B I GWH 12 MB K3DNA2B I GWH 18 MC K3DNA2B I GWH 09 MA K3DNB8B I GWH 12 MB K3DNB8B I GWH 07 MA K3DNB8B I Cold plasma GWH 09...

Page 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...

Page 5: ...F f o t u p t u O Input Power of Heater W Fan Motor Capacitor 5 1 1 1 1 F 8 4 0 7 3 0 3 2 0 3 2 0 A A L R r o t o M n a F n a f w o l f s s o r C n a f w o l f s s o r C n a f w o l f s s o r C n a f...

Page 6: ...4 2 2 Noise Criteria Curve Tables for Both Models Specifications 0 10 Noice dB A 20 30 40 50 60 Low Middle High Super High Indoor Fan Motor Rotating Speed...

Page 7: ...5 Q S R W H D Q S R Q S R 3 Construction Views Constrction views 7K 09K 18K Model mm W H D Q R S 7K 09K 790 6 170 3 60 1 0 1 K 84 7 180 134 40 171 18K 940 98 00 108 694 138...

Page 8: ...Note Not available for 14K 18K model C2 C3 D3 D2 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 expans...

Page 9: ...OVERLOAD COMP COMPRESSOR Meaning of marks AC L 3BK TEM SENSOR TEM SENSOR PE BK ROOM TUBE M2 SWING UD ROOM RT2 AP2 2BN PG 4YEGN 0 M1 1BU FAN Outdoor Unit BN 2 YEGN 3 BU XT N 1 TUBE 0 RT1 SWING MOTOR CO...

Page 10: ...ROOM RT1 0 AP2 2BN 4YEGN 1BU Outdoor Unit BN 2 YEGN 3 BU XT N 1 TUBE 0 RT2 COM OUT SWING UD PGF PG FAN MOTOR RECEIVER AND DISPLAY BOARD HEALTH N HEALTH L COOL PLASMA GENERATOR BU RD SWING MOTOR M2 M1...

Page 11: ...n wire terminal 9 Jumper cap terminal 2 Power supply neutral wire connector 6 indoor and outdoor unit communication wire terminal 10 Display panel terminal 3 Fan capacitor 7 Up down swing control term...

Page 12: ...connector 3 Protective tube 4 Fan capacitor 5 PG motor connector 6 Auto button 7 Up down swing connector 8 PG motor fan feedback terminal 9 Display panel connector 10 Indoor and outdoor unit communic...

Page 13: ...o set AIR function CLOCK Press it set clock TIMER ON Press it to set auto on timer Press it set swing angle X FAN TEMP TIMER OFF Press it to set auto off timer TURBO SLEEP LIGHT Press it to turn on of...

Page 14: ...fan speed setting AUTO Low Med High Your selection will be displayed in the LCD windows except the AUTO fan speed HEALTH icon is displayed when pressing the HEALTH button Press this button again to cl...

Page 15: ...X FAN button in COOL or DRY mode the icon is displayed and the indoor fan will continue operation for 10 min utes in order to dry the indoor unit even though you have turned off the unit After energi...

Page 16: ...eration should be performed in its receiving range It should be kept 1m away from the TV set or stereo sound sets If the remote controller does not operate normally please take the batteries out and r...

Page 17: ...ting When the unit is ON and in heating mode indoor fan starts cold air prevention operation when the unit is off and the indoor fan stopped before it blows residual heat 3 Protection Function The com...

Page 18: ...to fan speed it will shift between high speed and middle speed middle speed and low speed high speed and low speed the operation time must be 3 5min at least 4 Sleep 5 Timer Function 1 General Timer 1...

Page 19: ...e displayed is sent by remote controller ranging from 0 60 32 99 If outdoor ambient temperature is received the display remains the same If valid control signal is received it will display set tempera...

Page 20: ...as close to coastal areas the air is contaminated with industrial vapours and oils the air contains sulphures gas such as in hot spring zones corrosion or poor air quality exists 7 1 2 Installation S...

Page 21: ...earthing terminal Please do not connect the earthing wire with the following Water pipe Gas pipe Contamination pipe Other place that professional personnel consider is unreliable 5 The model and rated...

Page 22: ...DLQ KRVH outlet pipe of LQGRRU XQLW outlet pipe of LQGRRU XQLW UXEEHU EHOW UXEEHU EHOW UXEEHU EHOW Flooded HOORZ JUHHQ Fig 6 1 EODFN 3 2 EURZQ blue 07 09K UNIT 18K UNIT 12K UNIT 0RXQWLQJ SODWH VKRXOG...

Page 23: ...it at rst and then to outdoor unit Handle piping bending with care Do not damage the connection pipe Ensure that the joint nut is tightened rmly otherwise it may cause leakage 7 4 Check after Installa...

Page 24: ...arrow direction and then remove the air lter as shown in Fig a 2 Attach the healthy lter onto the air lter as shown in Fig b 3 Install the air lter properly along the arrow direction in Fig c and the...

Page 25: ...Views and Parts list Models 20 14 13 19 10 9 7 5 3 34 37 38 30 29 28 22 31 8 36 32 4 2 11 21 23 24 25 27 26 39 6 12 1 33 35 GWH 07 MA K3DNA3B I GWH 07 MA K3DNC5B I GWH 09 MA K3DNA2B I GWH 09 MA K3DNA3...

Page 26: ...390000591 1 17 Ambient Temperature Sensor 390000453 390000453 1 18 Connecting Cable 400204056 400204056 0 19 Evaporator Support 24212090 24212090 1 20 Evaporator Assy 0100274301 0100274301 1 21 Wall...

Page 27: ...591 390000591 1 17 Ambient Temperature Sensor 390000453 390000453 1 18 Connecting Cable 400204056 400204056 0 19 Evaporator Support 24212090 24212090 1 20 Evaporator Assy 0100274301 0100274301 1 21 Wa...

Page 28: ...00591 1 17 Ambient Temperature Sensor 390000453 390000453 1 18 Connecting Cable 400204056 400204056 0 19 Evaporator Support 24212090 24212090 1 20 Evaporator Assy 0100274301 0100274301 1 21 Wall Mount...

Page 29: ...iews and Parts list Model 20 14 15 17 16 18 13 19 10 9 7 5 3 34 37 38 30 29 28 22 31 8 36 32 4 2 11 21 23 24 25 27 26 39 6 12 1 33 35 GWH 12 MB K3DNA2B I GWH 12 MB K3DNA3B I GWH 12 MB K3DNB8B I GWH 12...

Page 30: ...390000591 390000591 1 17 Ambient Temperature Sensor 390000453 390000453 1 18 Connecting Cable 400204056 400204056 0 19 Evaporator Support 24212091 24212091 1 20 Evaporator Assy 0100274401 0100274401...

Page 31: ...390000591 390000591 1 17 Ambient Temperature Sensor 390000453 390000453 1 18 Connecting Cable 400204056 400204056 0 19 Evaporator Support 24212091 24212091 1 20 Evaporator Assy 0100274401 0100274401 1...

Page 32: ...ploded Views and Parts list Model 21 15 16 18 17 19 14 20 11 10 8 6 3 35 38 39 31 30 29 23 32 9 37 33 4 2 12 22 24 25 26 28 27 40 5 7 13 1 34 36 GWH 18 MC K3DNA2B I GWH 18 MC K3DNA3B I GWH 18 MC K3DNC...

Page 33: ...305100492 1 17 Tube Sensor 390000591 390000591 1 18 Ambient Temperature Sensor 390000453 390000453 1 19 Connecting Cable 400204056 400204056 0 20 Evaporator Support 24212100 24212100 1 21 Evaporator...

Page 34: ...Temperature Sensor 390000453 1 19 Connecting Cable 400204056 0 20 Evaporator Support 24212100 1 21 Evaporator Assy 0100239801 1 22 Wall Mounting Frame 01252218 1 23 Motor Press Plate 26112178 1 24 Fa...

Page 35: ...0 14 13 19 10 9 7 5 3 34 37 38 30 29 28 22 31 8 36 32 4 2 11 21 23 24 25 27 26 39 16 17 6 12 1 18 33 35 40 Model GWH 07 MA K3DNB8B I Cold plasma GWH 09 MA K3DNB8B I Cold plasma Exploded Views and Part...

Page 36: ...0 19 Evaporator Support 24212090 24212090 1 20 Evaporator Assy 0100274301 0100274301 1 21 Wall Mounting Frame 01252015 01252015 1 22 Motor Press Plate 26112160 26112160 1 23 Fan Motor 15012115 150121...

Page 37: ...35 15 20 14 13 19 10 9 7 5 3 34 37 38 30 29 28 22 31 8 36 32 4 2 11 21 23 24 25 27 26 39 16 17 6 12 1 18 33 35 40 Model GWH 12 MB K3DNB8B I Cold plasma Exploded Views and Parts list...

Page 38: ...cting Cable 400204056 0 19 Evaporator Support 24212091 1 20 Evaporator Assy 0100274402 1 21 Wall Mounting Frame 01252021 1 22 Motor Press Plate 26112161 1 23 Fan Motor 150120874 1 24 Pipe Clamp 261121...

Page 39: ...37 16 21 15 14 20 11 10 8 6 3 35 38 39 31 30 29 23 32 9 37 33 4 2 12 22 24 25 26 28 27 40 17 18 5 7 13 1 19 34 36 41 Model GWH 18 MC K3DNB8B I Cold plasma Exploded Views and Parts list...

Page 40: ...Sensor 390000591 1 18 Ambient Temperature Sensor 390000453 1 19 Connecting Cable 400204056 0 20 Evaporator Support 24212100 1 21 Evaporator Assy 0100239802 1 22 Wall Mounting Frame 01252218 1 23 Moto...

Page 41: ...er display is shown for 5min the display will terminate Display under test state Dual 8 nixie tube display minimum cooling heating P0 middle cooling heating P3 Nominal cooling heating P1 maximum cooli...

Page 42: ...g of compressor H7 blink 7 times Loss phase inverse phase protection for compressor Ld Module current protection IPM protection H5 blink 5 times Low voltage protection of DC bus bar PL blink 21 times...

Page 43: ...h one ofthe same model End no no no no yes yes Malfunction is removed no yes yes no Is the wiring terminal between temperature sensor and the controller loosened or poorly contacted Is there short cir...

Page 44: ...tightly Yes No is over 50V No Yes No Is the malfunction eliminated No Is the malfunction eliminated No Is the malfunction eliminated No Is the malfunction eliminated No Yes Yes Yes Yes Possible cause...

Page 45: ...nsert the jumper cap The mainboard is defined abnormal replace it Yes No Yes End Is the malfunction eliminated Yes No Is the malfunction eliminated No Yes Is the malfunction eliminated Replace the jum...

Page 46: ...ainboard Malfunction is eliminated The unit returns to normal Conclusion U8 is displayed due to instant energization afte de energization while the capaci tor discharges slowly No Yes Possible causes...

Page 47: ...e broken down indoor unit resume normal De energize the unit and check if the connecting wire of indoor and outdoor unit and wiring of electric box are correct Is wire connected correctly Connect wire...

Page 48: ...is power input between neutral wire and live wire of outdoor unit No Yes End Is malfunction removed Yes No Does communication resume normal Is there power input Replace filter plate of outdoor unit Re...

Page 49: ...er Remove axile bush of horizontal louver Push the filter inward and then raise it to remove it 2 Remove horizontal louver 1 2 3 1 Warning turning off all power supplies before disassembly Be sure to...

Page 50: ...the horizontal louver slightly to remove it 4 Remove electric box cover 2 3 Remove front panel Slide the rotor shaft out of the groove Remove the front panel rotor shaft front panel Remove the screws...

Page 51: ...Open the screw cap on the front case Remove the screws fixing the front case left Remove the electric box cover2 Loosen the left middle and right clasps screws Remove the front case middle right fron...

Page 52: ...ing vertical louver with bottom case Disconnect the indoor pipe tempera ture sensor Remove the screw of the electric box Remove the screws at the joint of ground wire and evaporator clasps Remove the...

Page 53: ...ox Re move electric box cover Disconnect the connecting wire of the motor Disconnect the connecting wire of the step motor Remove the screw fixing the display Remove the display Remove the electric bo...

Page 54: ...e connecting clamp Remove the screw fixing the pipe connecting clamp Auxiliary Piping Pipe Clamp screw Pipe Clamp 1 2 9 Remove the evaporator Remove the 3 screws at the joint of the evaporator and bot...

Page 55: ...ixing the step motor Remove the step motor 10 Remove cross flow blade and motor Heat Exchanger Step Motor 3 1 Remove the screws fixing the press plate of the motor Remove the motor Remove cross flow b...

Page 56: ...54 Removal Procedure Remove the screws at the joint of cross flow blade and motor Remove the motor O Gasket sub assy of Bearing Ring of Bearing Remove ring of bearing Cross Flow Fan Fan Motor 4 5...

Page 57: ...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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