Gree GWH18RC-K3DNA5G Bedienungsanleitung

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI

Change for Life

Service Manual

GWH18RC-K3DNA5G

GWH24RD-K3DNA5G

(Refrigerant:R410A)

Models:

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 Operation Characteristic Curve ........................................................................................4

2.3 Capacity Variation Ratio According to Temperature .........................................................4

2.4 Cooling and Heating Data Sheet in Rated Frequency .....................................................5

2.5 Noise Curve ......................................................................................................................5

3. Outline Dimension Diagram ........................................................................6

3.1 Indoor Unit ........................................................................................................................6

3.2 Outdoor Unit .....................................................................................................................7

4. Refrigerant System Diagram ......................................................................8

5. Electrical Part...........................................................................................................9

5.1 Wiring Diagram .................................................................................................................9

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

6. Function and Control ......................................................................................13

6.1 Remote Controller Introduction .....................................................................................13

6.2 Brief Description of Modes and Functions ......................................................................17

Part Ⅱ: Installation and Maintenance .................................................26

7. Notes for Installation and Maintenance ..........................................26

8. Installation ................................................................................................................28

8.1 Installation Dimension Diagram ......................................................................................28

8.2 Installation Parts-checking ............................................................................................30

8.3 Selection of Installation Location ....................................................................................30

8.4 Electric Connection Requirement ..................................................................................30

8.5 Installation of Indoor Unit ................................................................................................30

8.6 Installation of Outdoor Unit .............................................................................................33

8.7 Vacuum Pumping and Leak Detection ...........................................................................34

8.8 Check after Installation and Test Operation ...................................................................34

Table of Contents

Service Manual

Table of Contents Table of Contents

9. Maintenance ............................................................................................................35

9.1 Malfunction Display of Indoor Unit ..................................................................................35

9.2 Procedure of Troubleshooting ........................................................................................37

9.3 Troubleshooting for Normal Malfunction .........................................................................54

10. Exploded View and Parts List ..............................................................56

10.1 Indoor Unit ....................................................................................................................56

10.2 Outdoor Unit .................................................................................................................60

11. Removal Procedure .......................................................................................64

11.1 Removal Procedure of Indoor Unit ...............................................................................64

11.2 Removal Procedure of Outdoor Unit ............................................................................69

Appendix: ........................................................................................................................80

Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................................................80

Appendix 2: Conguration of Connection Pipe .....................................................................80

Appendix 3: Pipe Expanding Method ...................................................................................81

Appendix 4: List of Resistance for Temperature Sensor ......................................................82

Technical Information

Service Manual

1. Summary

Part Ⅰ: Technical Information

Indoor Unit

GWH18RC-K3DNA5G/I

GWH24RD-K3DNA5G/I

Outdoor Unit

GWH18MC-K3DNE3G/O

GWH24MD-K3DNE3G/O

Remote Controller

YT1F(MOTO)

FAN

MODE

IF E EL

CLOCK TIMER

X-FAN TEMP TIMER

OFF

TURBO SLEEP LIG HT

2Technical Information

Service Manual

Model GWH18RC-K3DNA5G GWH24RD-K3DNA5G

Product Code CB304002501 CB304002801

Power

Supply

Rated Voltage V~ 220-240 220-240

Rated Frequency Hz 50 50

Phases 1 1

Power Supply Mode outdoor outdoor

Cooling Capacity(Min~Max) W 5275(1260~6600) 6450(2530~6800)

Heating Capacity(Min~Max) W 5800(1120~6800) 7000(2530~7600)

Cooling Power Input(Min~Max) W 1625(380~2650) 2180(600~2650)

Heating Power Input(Min~Max) W 1760(350~2650) 2220(600~2800)

Cooling Power Current A 7.2 9.7

Heating Power Current A 7.8 9.8

Rated Input W 2650 2800

Rated Current A 11.8 12.4

Air Flow Volume(SH/H/M/L/SL) m3/h 850/780/650/550/- 1000/800/700/550/-

Dehumidifying Volume L/h 1.80 2

EER W/W 3.25 2.96

COP W/W 3.30 3.15

SEER W/W 6.1 6.1

HSPF W/W / /

Application Area m223-34 27-42

Indoor

Unit

Model of Indoor Unit GWH18RC-K3DNA5G/I GWH24RD-K3DNA5G/I

Product Code of Indoor Unit CB304N02500 CB304N02800

Fan Type Cross-ow Cross-ow

Diameter Length(DXL) mm Φ98X710 Φ100X765

Fan Motor Cooling Speed (SH/H/M/L/SL) r/min 1350/1200/1000/800/- 1350/1150/950/850/-

Fan Motor Heating Speed (SH/H/M/L/SL) r/min 1420/1250/1100/950/- 1400/1200/1000/900/-

Output of Fan Motor W 20 35

Fan Motor RLA A 0.31 0.31

Fan Motor Capacitor μF 1.5 2.5

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

Pipe Diameter mm Φ7 Φ7

Row-n Gap mm 2-1.4 2-1.5

Coil Length (LXDXW) mm 715X25.4X304.8 765X25.4X342.9

Swing Motor Model MP28VB MP35XX

Output of Swing Motor W 2 2.5

Fuse A 3.15 3.15

Sound Pressure Level (SH/H/M/L/SL) dB (A) 48/43/40/35/- 51/47/42/39/-

Sound Power Level (SH/H/M/L/SL) dB (A) 58/53/50/45/- 61/57/52/49/-

Dimension (WXHXD) mm 945X298X211 1018X315X230

Dimension of Carton Box (LXWXH) mm 1010X380X285 1083X395X313

Dimension of Package (LXWXH) mm 1013X383X300 1086X398X328

Net Weight kg 12 15

Gross Weight kg 15 18.5

2. Specications

2.1 Specication Sheet

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 GWH18MC-K3DNE3G/O GWH24MD-K3DNE3G/O

Product Code of Outdoor Unit CB404W03401 CB404W03801

Compressor Manufacturer/Trademark ZHUHAI LANDA COMPRESSOR

CO.,LTD

ZHUHAI LANDA COMPRESSOR

CO.,LTD

Compressor Model QXA-B141zF030A QXA-B141zF030A

Compressor Oil 68EP 68EP

Compressor Type Rotary Rotary

L.R.A. A 25 25

Compressor RLA A 7.2 7.2

Compressor Power Input W 1440 1440

Overload Protector 1NT11L-6233 or KSD115oC or

HPC115/95U1

1NT11L-6233 or KSD115oC or

HPC115/95U1

Throttling Method Capillary Capillary

Operation temp oC 16~30 16~30

Ambient temp (cooling) oC -15~43 -15~43

Ambient temp (heating) oC -20~24 -20~24

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

Pipe Diameter mm Φ7 Φ7

Rows-n Gap mm 2-1.4 2-1.4

Coil Length (LXDXW) mm 851X38.1X660 984X38.1X748

Fan Motor Speed rpm 750 800

Output of Fan Motor W 60 90

Fan Motor RLA A / /

Fan Motor Capacitor μF / /

Air Flow Volume of Outdoor Unit m3/h 3200 4000

Fan Type Axial-ow Axial-ow

Fan Diameter mm Φ520 Φ552

Defrosting Method Automatic Defrosting Automatic Defrosting

Climate Type T1 T1

Isolation I I

Moisture Protection IP24 IP24

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/-/- 58/-/-

Sound Power Level (H/M/L) dB (A) 66/-/- 68/-/-

Dimension (WXHXD) mm 963X700X396 1000X790X427

Dimension of Carton Box (LXWXH) mm 1026X455X735 1080X485X840

Dimension of Package (LXWXH) mm 1029X458X750 1083X488X855

Net Weight kg 45 55

Gross Weight kg 49.5 60

Refrigerant R410A R410A

Refrigerant Charge kg 1.35 1.80

Connection

Pipe

Length m 5 5

Gas Additional Charge g/m 20 50

Outer Diameter Liquid Pipe mm Φ6 Φ6

Outer Diameter Gas Pipe mm Φ12 Φ16

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 Operation Characteristic Curve

2.3 Capacity Variation Ratio According to Temperature

0 10 20 30 40 50 60 70 90 0 10 20 30 40 50 60 70 80 90 100 120 110

Compressor speed (rps)

) A ( t n e r r u C

Compressor speed (rps)

) A ( t n e r r u C

220V

230V

240V

220V

230V

240V

0 10 20 30 40 50 60 70 90 0 10 20 30 40 50 60 70 80 90 100 120110

Compressor speed (rps)

)A(tnerruC

Compressor speed (rps)

)A(tnerruC

220V

230V

240V

220V

230V

240V

Conditions

Indoor: DB27°C/WB19°C

Outdoor: DB35°C/WB24°C

Indoor air flow: High

Pipe length: 5m

Conditions

Indoor: DB27°C/WB19°C

Outdoor: DB35°C/WB24°C

Indoor air flow: High

Pipe length: 5m

Conditions

Indoor: DB20°C/WB15°C

Outdoor: DB7°C/WB6°C

Indoor air flow: High

Pipe length: 5m

Conditions

Indoor: DB20°C/WB15°C

Outdoor: DB7°C/WB6°C

Indoor air flow: High

Pipe length: 5m

Cooling Heating

32 33 34 35 36 37 38 39 43

–15 –10 –5

40 41 42

100

105

110

100

0 5 7 10

Conditions

Indoor:DB27°C/WB19°C

Indoor air flow:Super High

Pipe length: 5m

Conditions

Indoor:DB20°C/WB15°C

Indoor air flow:Super High

Pipe length: 5m

Outdoor temp.(°C)

Capacity ratio (%)

100

110

120

10750-5-10-15-20

Outdoor temp.(oC)

Capacity ratio(%)

Conditions

Indoor:DB20°C/WB15°C

Indoor air flow:Super High

Pipe length: 5m

Cooling Heating

Technical Information

Service Manual

2.4 Cooling and Heating Data Sheet in Rated Frequency

Rated cooling

condition(oC)

(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

Compressor

frequency

(Hz)

Indoor Outdoor P (MPa) T1 (oC) T2 (oC)

27/19 35/24

18K 0.8 to 1.0 12 to 14 80 to 40 Super High High 70

24K 0.9 to 1.1 10 to 12 80 to 40 Super High High 83

Rated heating

condition(oC)

(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

Compressor

frequency

(Hz)

Indoor Outdoor P (MPa) T1 (oC) T2 (oC)

20/15 7/6

18K 2.2 to 2.4 70 to 40 1 to 5 Super High High 70

24K 2.5 to 2.7 70 to 40 1 to 5 Super High High 75

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: 5 m.

Cooling:

Heating:

2.5 Noise Curve

20 0 40 60 80 100

Outdoor side noise

Indoor side noise

Compressor frequency/Hz

) A ( B d / e s i o N

18K 24K

Indoor Fan Motor Rotating Speed

Noice/dB(A)

low Middle High Super High

6Technical Information

Service Manual

3. Outline Dimension Diagram

3.1 Indoor Unit

Unit:mm

Models W H D

18K 945 298 211

24K 1018 315 230

694

685 189144

38 116

Φ55Φ55

Φ70 Φ70

194

Technical Information

Service Manual

3.2 Outdoor Unit

Unit:mm

24K

18K

963

892

700

396

341

368

560

427 1000

920

610

370

790

395

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