Gree GWC18QD-D3DNA6E (LC)

Service Manual
Table of contents
Table of Contents
Part
Ⅰ
: Technical Information
.......................................................................1
1. Summary
......................................................................................................................1
2. Specications
..........................................................................................................3
2.1 Specication Sheet ........................................................................................................... 3
2.2 Operation Characteristic Curve ........................................................................................7
2.3 Capacity Variation Ratio According to Temperature .........................................................7
2.4 Noise Curve ...................................................................................................................... 8
2.5 Cooling and Heating Data Sheet in Rated Frequency .....................................................8
3. Outline Dimension Diagram
........................................................................9
3.1 Indoor Unit ........................................................................................................................9
3.2 Outdoor Unit ...................................................................................................................10
4. Refrigerant System Diagram
.................................................................... 11
5. Electrical Part
.........................................................................................................12
5.1 Wiring Diagram ............................................................................................................... 12
5.2 PCB Printed Diagram .....................................................................................................14
6. Function and Control
......................................................................................16
6.1 Remote Controller Introduction .....................................................................................16
6.2 Brief Description of Modes and Functions ...................................................................... 20
Part
Ⅱ
: Installation and Maintenance
.................................................29
7. Notes for Installation and Maintenance
..........................................29
8. Installation
................................................................................................................31
8.1 Installation Dimension Diagram ...................................................................................... 31
8.2 Installation Parts-checking ............................................................................................33
8.3 Selection of Installation Location ....................................................................................33
8.4 Electric Connection Requirement ..................................................................................33
8.5 Installation of Indoor Unit ................................................................................................ 33
8.6 Installation of Outdoor Unit .............................................................................................36
8.7 Vacuum Pumping and Leak Detection ...........................................................................37
8.8 Check after Installation and Test Operation ...................................................................37