Gree GWH12AAB-K3NNA2A

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 .........................................................11
2.3 Cooling and Heating Data Sheet in Rated Frequency ...................................................11
3. Outline Dimension Diagram
......................................................................12
3.1 Indoor Unit ......................................................................................................................12
3.2 Outdoor Unit ...................................................................................................................13
4. Refrigerant System Diagram
....................................................................14
5. Electrical Part
.........................................................................................................15
5.1 Wiring Diagram ............................................................................................................... 15
5.2 PCB Printed Diagram .....................................................................................................18
6. Function and Control
......................................................................................19
6.1 Remote Controller Introduction of YAW1F ....................................................................19
6.2 Remote Controller Introduction of YAW1F1 ..................................................................23
6.3 Brief Description of Modes and Functions ...................................................................... 26
Part
Ⅱ
: Installation and Maintenance
.................................................31
7. Notes for Installation and Maintenance
..........................................31
8. Installation
................................................................................................................34
8.1 Installation Dimension Diagram ...................................................................................... 34
8.2 Installation Parts-Checking ............................................................................................ 36
8.3 Selection of Installation Location ....................................................................................36
8.4 Requirements for electric connection .............................................................................36
8.5 Installation of Indoor Unit ................................................................................................ 36
8.6 Installation of Outdoor unit .............................................................................................39
8.7 Vacuum Pumping and Leak Detection ...........................................................................40
8.8 Check after Installation and Test operation ....................................................................40
Table of Contents