GREE ELECTRIC GWH07AAB-K3DNA3A User manual

Models:GWH07AAB-K3DNA3A
GWH07AAB-K3DNA5A
(Refrigerant R410A)
Service Manual
Change for life
GREE ELECTRIC APPLIANCES, INC. OF ZHUHAI

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 GREE+ App Operation Manual ......................................................................................18
6.3 Ewpe Smart App Operation Manual ...............................................................................19
6.4 Brief Description of Modes and Functions......................................................................20
Part Ⅱ: Installation and Maintenance .................................................25
7. Notes for Installation and Maintenance..........................................25
8. Installation................................................................................................................28
8.1 Installation Dimension Diagram......................................................................................28
8.2 Installation Parts-Checking ............................................................................................30
8.3 Selection of Installation Location....................................................................................30
8.4 Requirements for electric connection .............................................................................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
9. Maintenance............................................................................................................35
9.1 Malfunction Analysis.......................................................................................................35
9.2 Flashing LED of Indoor/Outdoor Unit and Primary Judgement ......................................39
9.3 How to Check Simply the Main Part...............................................................................48
9.3 Maintenance method for normal malfunction .................................................................61
10. Exploded View and Parts List ..............................................................63
10.1 Indoor Unit....................................................................................................................63
10.2 Outdoor Unit .................................................................................................................65
11. Removal Procedure.......................................................................................67
11.1 Removal Procedure of Indoor Unit ...............................................................................67
11.2 Removal Procedure of Outdoor Unit ............................................................................72
Appendix:........................................................................................................................77
Appendix 1: Reference Sheet of Celsius and Fahrenheit ....................................................77
Appendix 2: Conguration of Connection Pipe.....................................................................77
Appendix 2: Pipe Expanding Method ...................................................................................78
Appendix 4: List of Resistance for Temperature Sensor ......................................................79
Table of Contents

1
Technical Information
Service Manual
1. Summary
Indoor Unit:
GWH07AAB-K3DNA5A/I
GWH07AAB-K3DNA3A/I
Part Ⅰ: Technical Information
Outdoor Unit:
GWH07AAB-K3DNA5A/O
Remote Controller:
YAN1F6(WiFi)

2Technical Information
Service Manual
2. Specications
2.1 Specication Sheet
Model GWH07AAB-K3DNA3A
GWH07AAB-K3DNA5A
Product Code CB478000800
CB488001300
Power
Supply
Rated Voltage V~ 220-240
Rated Frequency Hz 50
Phases 1
Power Supply Mode Outdoor
Cooling Capacity W 2200
Heating Capacity W 2300
Cooling Power Input W 685
Heating Power Input W 637
Cooling Power Current A 3.6
Heating Power Current A 3.2
Rated Input W 1000
Rated Current A 5
Air Flow Volume(SH/H/M/L/SL) m3/h 550/500/430/300/-
Dehumidifying Volume L/h 0.6
EER W/W 3.21
COP W/W 3.61
SEER W/W /
HSPF W/W /
Application Area m212-18
Indoor Unit
Model of Indoor Unit GWH07AAB-K3DNA3A/I
GWH07AAB-K3DNA5A/I
Product Code of Indoor Unit CB478N00800
CB488N01300
Fan Type Cross-ow
Diameter Length(DXL) mm Ф93X580
Fan Motor Cooling Speed(SH/H/M/L/SL) r/min 1300/1200/1000/750/-
Fan Motor Heating Speed(SH/H/M/L/SL) r/min 1300/1200/1000/800/-
Output of Fan Motor W 20
Fan Motor RLA A 0.215
Fan Motor Capacitor μF 1
Input of Heater W/
Evaporator Form Aluminum Fin-copper Tube
Pipe Diameter mm Φ5
Row-n Gap mm 2-1.4
Coil Length (LXDXW) mm 584X22.8X266.7
Swing Motor Model MP24AN
Output of Swing Motor W 1.5
Fuse A 3.15
Sound Pressure Level (SH/H/M/L/SL) dB (A) 40/37/31/24/-
Sound Power Level (SH/H/M/L/SL) dB (A) 50/47/41/34/-
Dimension (WXHXD) mm 773X250X185
Dimension of Carton Box (LXWXH) mm 817X306X244
Dimension of Package (LXWXH) mm 822X322X255
Net Weight kg 8.5
Gross Weight kg 9.5