Gree GWH18AAC-K3NNA1A Bedienungsanleitung

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI

Change for Life

Service Manual

Models: GWH18AAC-K3NNA1A

GWH18AAC-K3NNA2A

GWH24AAD-K3NNA1A

GWH24AAD-K3NNA2A

(Refrigerant R410A)

Service Manual

Table of Contents

Part Ⅰ: Technical Information......................................................................... 1

1.Summary ......................................................................................................................... 1

2. Specications............................................................................................................ 2

2.1 Specication Sheet............................................................................................................. 2

2.2 Capacity Curve in Different Outdoor Temperature ............................................................. 4

2.3 Cooling and Heating Data Sheet in Rated Frequency ....................................................... 4

3. Outline Dimension Diagram.......................................................................... 5

3.1 Indoor Unit.......................................................................................................................... 5

3.2 Outdoor Unit ....................................................................................................................... 6

4. Refrigerant System Diagram........................................................................ 7

5. Electrical Part............................................................................................................. 8

5.1 Wiring Diagram................................................................................................................... 8

5.2 PCB Printed Diagram ........................................................................................................11

6. Function and Control........................................................................................ 12

6.1 Remote Controller Introduction ....................................................................................... 12

6.2 Brief Description of Modes and Functions........................................................................ 16

Part Ⅱ: Installation and Maintenance ................................................... 21

7. Notes for Installation and Maintenance............................................ 21

8. Installation.................................................................................................................. 23

8.1 Installation Dimension Diagram........................................................................................ 23

8.2 Installation Parts-Checking .............................................................................................. 25

8.3 Selection of Installation Location...................................................................................... 25

8.4 Electric Connection Requirement..................................................................................... 25

8.5 Installation of Indoor Unit.................................................................................................. 25

8.6 Installation of Outdoor unit ............................................................................................... 28

8.7 Vacuum Pumping and Leak Detection ............................................................................. 29

8.8 Check after Installation and Test operation ...................................................................... 29

Table of Contents

Service Manual

9. Maintenance.................................................................................................................30

9.1 Error code............................................................................................................................30

9.2 Procedure of Troubleshooting .............................................................................................32

9.3 Maintenance method for normal malfunction ......................................................................37

10. Exploded View and Parts List ................................................................... 39

10.1 Indoor Unit.........................................................................................................................39

10.2 Outdoor Unit ......................................................................................................................43

11. Removal Procedure............................................................................................ 47

11.1 Removal Procedure of Indoor Unit ....................................................................................47

11.2 Removal Procedure of Outdoor Unit .................................................................................52

Appendix:.............................................................................................................................62

Appendix 1: Reference Sheet of Celsius and Fahrenheit .........................................................62

Appendix 2: Conguration of Connection Pipe..........................................................................62

Appendix 2: Pipe Expanding Method ........................................................................................63

Appendix 4: List of Resistance for Temperature Sensor ...........................................................64

Table of Contents

Technical Information

Service Manual

1.Summary

Indoor Unit:

GWH18AAC-K3NNA1A/I

GWH24AAD-K3NNA1A/I

GWH18AAC-K3NNA2A/I

GWH24AAD-K3NNA2A/I

Part Ⅰ: Technical Information

Outdoor Unit:

GWH24AAD-K3NNA1A/O

GWH18AAC-K3NNA1A/O

Remote Controller:

YAW1F

2Technical Information

Service Manual

2. Specications

2.1 Specication Sheet

Model GWH18AAC-K3NNA1A

GWH18AAC-K3NNA2A

GWH24AAD-K3NNA1A

GWH24AAD-K3NNA2A

Product Code CA115014200

CA115014500

CA115014300

CA115014600

Power

Supply

Rated Voltage V~ 220-240 220-240

Rated Frequency Hz 50 50

Phases 1 1

Power Supply Mode Indoor Indoor

Cooling Capacity W 4800 6150

Heating Capacity W 5000 6700

Cooling Power Input W 1495 1915

Heating Power Input W 1500 1856

Cooling Power Current A 6.81 8.49

Heating Power Current A 6.72 8.23

Rated Input W 2150 13.88

Rated Current A 10.96 5.5

Air Flow Volume(SH/H/M/L/SL) m3/h 650/560/480/350/- 900/800/700/600/-

Dehumidifying Volume L/h 1.8 1.8

EER W/W 3.21 3.21

COP W/W 3.61 3.61

SEER W/W / /

HSPF W/W / /

Application Area m221-31 23-34

Indoor Unit

Model of Indoor Unit GWH18AAC-K3NNA1A/I

GWH18AAC-K3NNA2A/I

GWH24AAD-K3NNA1A/I

GWH24AAD-K3NNA2A/I

Product Code of Indoor Unit CA115N14200

CA115N14500

CA115N14300

CA115N14600

Fan Type Cross-ow Cross-ow

Diameter Length(DXL) mm Φ98X633 Φ106X706

Fan Motor Cooling Speed(SH/H/M/L/SL) r/min 1350/1200/1050/950/- 1350/1200/1050/900/-

Fan Motor Heating Speed(SH/H/M/L/SL) r/min 1300/1150/1000/900/- 1350/1200/1100/900/-

Output of Fan Motor W 20 35

Fan Motor RLA A 0.20 0.35

Fan Motor Capacitor μF 1.5 2.5

Input of Heater W / /

Evaporator Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube

Pipe Diameter mm Φ7 Φ7

Row-n Gap mm 2-1.4 2-1.4

Coil Length (LXDXW) mm 715X25.4X304.8 715X25.4X304.8

Swing Motor Model MP24HF MP35CP

Output of Swing Motor W 1.5 2.5

Fuse A 3.15 3.15

Sound Pressure Level (SH/H/M/L/SL) dB (A) 42/38/34/31/- 49/45/41/37/-

Sound Power Level (SH/H/M/L/SL) dB (A) 52/48/44/41/- 59/55/51/47/-

Dimension (WXHXD) mm 849X289X210 970X300X225

Dimension of Carton Box (LXWXH) mm 879X341X268 1017X366X285

Dimension of Package (LXWXH) mm 902X357X279 1020X369X295

Net Weight kg 11 13.5

Gross Weight kg 13 16.5

Technical Information

Service Manual

The above data is subject to change without notice; please refer to the nameplate of the unit.

Outdoor Unit

Model of Outdoor Unit GWH18AAC-K3NNA1A/O GWH24AAD-K3NNA1A/O

Product Code of Outdoor Unit CA115W14200 CA115W14300

Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR

CO., LTD

ZHUHAI LANDA COMPRESSOR

CO.,LTD

Compressor Model QXA-D19F030 QXA-F232F050

Compressor Oil ATMOS-RB68EP or equivalent RB68EP

Compressor Type Rotary Rotary

L.R.A. A 38.00 40

Compressor RLA A 7.10 8.4

Compressor Power Input W 1540 1930

Overload Protector UP3-A6 UP3-27

Throttling Method Capillary Capillary

Operation Temp oC 16~30 16~30

Ambient Temp (Cooling) oC 18~48 18~48

Ambient Temp (Heating) oC -7~24 -7~24

Condenser Form Aluminum Fin-copper Tube Aluminum Fin-copper Tube

Pipe Diameter mm Φ7.94 Φ7

Rows-n Gap mm 2-1.4 1-1.4

Coil Length (LXDXW) mm 735X38.1X508 613X38.1X660

Fan Motor Speed rpm 850 780

Output of Fan Motor W 35 68

Fan Motor RLA A 0.33 0.75

Fan Motor Capacitor μF 2.5 2.5

Air Flow Volume of Outdoor Unit m3/h 1800 2800

Fan Type Axial-ow Axial-ow

Fan Diameter mm Φ394.5 Φ460

Defrosting Method Automatic Defrosting Automatic Defrosting

Climate Type T1 T1

Isolation I I

Moisture Protection IPX4 IPX4

Permissible Excessive Operating

Pressure for the Discharge Side MPa 4.3 4.3

Permissible Excessive Operating

Pressure for the Suction Side MPa 2.5 2.5

Sound Pressure Level (H/M/L) dB (A) 56/-/- 56/-/-

Sound Power Level (H/M/L) dB (A) 66/-/- 66/-/-

Dimension (WXHXD) mm 848X540X320 913X680X378

Dimension of Carton Box (LXWXH) mm 878X360X580 994X428X725

Dimension of Package (LXWXH) mm 881X363X595 997X431X740

Net Weight kg 39 50

Gross Weight kg 41.5 54

Refrigerant R410A R410A

Refrigerant Charge kg 1.26 1.45

Connection

Pipe

Length m 5 5

Gas Additional Charge g/m 15 15

Outer Diameter Liquid Pipe mm Φ6 Φ6

Outer Diameter Gas Pipe mm Φ12 Φ12

Max Distance Height m 10 10

Max Distance Length m 25 25

Note: The connection pipe applies metric diameter.

4Technical Information

Service Manual

2.2 Capacity Curve in Different Outdoor Temperature

2.3 Cooling and Heating Data Sheet in Rated Frequency

Heating

Rated heatling condition(°C)

(DB/WB) Model

Pressure of gas pipe connecting

indoor and outdoor unit

Inlet and outlet pipe temperature

of heat exchanger Fan speed of

indoor unit

Fan speed of

outdoor unit

Indoor Outdoor P (MPa) T1 (°C) T2 (°C)

20/- 7/6 18/24K 3.5~3.8 in:75~85

out:37~43

in:1~3

out:2~5 Super High High

100

110

32 33 34 35 36 37 38 39 40 41 42 43 44 45

Outdoor temp.( ) Outdoor temp.( )

)

(

oitaryticapa

)%(oitaryticapaC

Condition

Indoor:DB27

°C

WB19

°C

Indoor air flow: Super High

Pipe length:5m

157-7 -5 02

100

120

-10510

Condition Heating

Indoor:DB20

°C

Indoor air flow: Super High

Pipe length:5m

Cooling Heating

Rated cooling condition(°C)

(DB/WB) Model

Pressure of gas pipe connecting

indoor and outdoor unit

Inlet and outlet pipe temperature

of heat exchanger Fan speed of

indoor unit

Fan speed of

outdoor unit

Indoor Outdoor P (MPa) T1 (°C) T2 (°C)

27/19 35/24 18/24K 0.85~1.0 in:8~11

out:11~14

in:75~85

out:37~43 Super High High

Cooling

Instruction:

T1: Inlet and outlet pipe temperature of evaporator

T2: Inlet and outlet pipe temperature of condenser

P: Pressure at the side of big valve

Connection pipe length: 5m.

Technical Information

Service Manual

104 685 181

140

190

Φ55 Φ55

133 542 174

143

Ф55Ф55

3. Outline Dimension Diagram

3.1 Indoor Unit

Unit:mm

18K

24K

MODEL W H D

18K 849 289 210

24K 970 300 225

6Technical Information

Service Manual

848

763

540

320

268

Unit:mm

3.2 Outdoor Unit

931 378

847

086

549

843

300

Unit:mm

GWH24AAD-K3NNA1A/O

GWH18AAC-K3NNA1A/O

Technical Information

Service Manual

4. Refrigerant System Diagram

Cooling and heating model

Connection pipe specication:

Liquid pipe:1/4" (6mm)

Gas pipe:1/2" (12mm)

Indoor unit Outdoor unit

COOLING

HEATING

Accumlator

4-Way valve

COOLING

Discharge

Suction

Discharge

Suction

Heat

exchanger

(evaporator)

Heat

exchanger

(evaporator) Heat

exchanger

(condenser)

Heat

exchanger

(condenser)

Valve

Liquid pipe

side

Gas pipe

side

Liquid pipe

side

Gas pipe

side

Compressor

Accumlator

Compressor

Strainer

Capillary

StrainerCapillary

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