Gree GWH18KG-K3DNA6G/I User manual

GREE ELECTRIC APPLIANCES,INC.OF ZHUHAI
Change for Life
Service Manual
Model: GWH18KG-K3DNA6G/I
(Refrigerant R410A)

Service Manual
Table of Contents
Table of Contents
Part Ⅰ: Technical Information.........................................................................1
1. Summary........................................................................................................................1
2. Specications............................................................................................................2
3. Outline Dimension Diagram..........................................................................3
4. Refrigerant System Diagram........................................................................4
5. Electrical Part.............................................................................................................5
5.1 Wiring Diagram...................................................................................................................5
5.2 PCB Printed Diagram .........................................................................................................6
6. Function and Control..........................................................................................7
6.1 Remote Controller Introduction .........................................................................................7
6.2 Brief Description of Modes and Functions........................................................................ 11
Part Ⅱ: Installation and Maintenance ................................................... 14
7. Notes for Installation and Maintenance............................................ 14
8. Installation..................................................................................................................16
8.1 Installation Dimension Diagram........................................................................................16
8.2 Installation Parts-checking ..............................................................................................18
8.3 Selection of Installation Location......................................................................................18
8.4 Electric Connection Requirement..................................................................................... 18
8.5 Installation of Indoor Unit..................................................................................................18
8.6 Check after Installation and Test Operation .....................................................................21
9. Maintenance..............................................................................................................22
9.1 Malfunction Display of Indoor Unit....................................................................................22
9.2 Procedure of Troubleshooting ..........................................................................................24
9.3 Troubleshooting for Normal Malfunction...........................................................................29
10. Exploded View and Parts List ................................................................ 31
11. Removal Procedure.........................................................................................33

Service Manual
Table of Contents
Appendix:............................................................................................................................. 39
Appendix 1: Reference Sheet of Celsius and Fahrenheit ......................................................... 39
Appendix 2: Conguration of Connection Pipe.......................................................................... 39
Appendix 3: Pipe Expanding Method ........................................................................................ 40
Appendix 4: List of Resistance for Temperature Sensor ........................................................... 41

1
Technical Information
Service Manual
1. Summary
Part Ⅰ: Technical Information
Indoor Unit
GWH18KG-K3DNA6G/I
Remote Controller
YAA1FB
/
F
C
HOUR
ONOFF

2Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model GWH18KG-K3DNA6G/I
Product Code CB146N36000
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity(Min~Max) W 5275(1200~6200)
Heating Capacity(Min~Max) W 5570(1100~6000)
Cooling Power Input(Min~Max) W 1675(380~2450)
Heating Power Input(Min~Max) W 1750(350~2600)
Air Flow Volume (SH/H/M/L) m3/h 800/680/560/460/-
Dehumidifying Volume L/h 1.8
Fan Type Cross-ow
Fan Diameter-height mm Ф98X650
Fan Motor Speed (SH/H/M/L) Cool rpm 1350/1100/950/800
Fan Motor Speed (SH/H/M/L) Heat rpm 1400/1200/1050/900
Fan Motor Power Output W 20
Fan Motor Running Current A 0.31
Fan Motor Capacitor μF 1.5
Evaporator Material Aluminum Fin-copper Tube
Evaporator Pipe Diameter mm Ф7
Evaporator Number of Rows 2
Evaporator Fin Pitch mm 1.4
Evaporator Length(L)XHeight(H)XWidth(W) mm 657X25.4X304.8
Motor Model MP28VB
Overload Protector /
Motor Full Load Amp(FLA) A 3.15
Sound Pressure Level (SH/H/M/L) dB (A) 49/44/40/35
Sound Power Level (SH/H/M/L) dB (A) 60/55/51/46
Outline Dimension (WXHXD) mm 867X305X215
Package Carton Dimension (LXWXH) mm 945X380X295
Package Dimension (LXWXH) mm 948X383X310
Net Weight kg 12
Gross Weight kg 15
Liquid pipe mm Φ6
Gas Pipe(to indoor unit) mm Φ12
Note: The connection pipe applies metric diameter.
The above data is subject to change without notice; please refer to the nameplate of the unit.