Gree GWH12NC-K3NNE4E/O

Service Manual
Table of Contents
Part
Ⅰ
: Technical Information
.......................................................................1
1. Summary
......................................................................................................................1
2. Specications
..........................................................................................................3
2.1 Specication Sheet ........................................................................................................... 3
2.2 Capacity Curve in Different Outdoor Temperature .........................................................15
2.3 Cooling and Heating Data Sheet in Rated Frequency ...................................................15
3. Outline Dimension Diagram
......................................................................16
3.1 Indoor Unit ......................................................................................................................16
3.2 Outdoor Unit ...................................................................................................................17
4. Refrigerant System Diagram
....................................................................18
5. Electrical Part
.........................................................................................................19
5.1 Wiring Diagram ............................................................................................................... 19
5.2 PCB Printed Diagram .....................................................................................................23
6. Function and Control
....................................................................................24
6.1 Remote Controller Introduction of YX1F ........................................................................24
6.2 Remote Controller Introduction of YV1F7 ......................................................................27
6.3 Remote Controller Introduction of YB1F2(XFAN) ........................................................... 31
6.4 Brief Description of Modes and Functions ...................................................................... 35
Part
Ⅱ
: Installation and Maintenance
.................................................40
7. Notes for Installation and Maintenance
..........................................40
8. Installation
................................................................................................................42
8.1 Installation Dimension Diagram ...................................................................................... 42
8.2 Installation Parts-checking ............................................................................................44
8.3 Selection of Installation Location ....................................................................................44
8.4 Electric Connection Requirement ...................................................................................44
8.5 Installation of Indoor Unit ................................................................................................ 44
8.6 Installation of Outdoor unit .............................................................................................47
8.7 Vacuum Pumping and Leak Detection ...........................................................................48
8.8 Check after Installation and Test operation ....................................................................48
Table of Contents