
Service Manual
Table of contents
Table of Contents
Part Ⅰ: Technical Information.......................................................................1
1. Summary......................................................................................................................1
2. Specications..........................................................................................................2
2.1 Specication Sheet...........................................................................................................2
2.2 Capacity Curve in Different Outdoor Temperature ...........................................................8
2.3 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......................................................................19
Part Ⅱ: Installation and Maintenance .................................................24
7. Notes for Installation and Maintenance..........................................24
8. Installation................................................................................................................27
8.1 Installation Dimension Diagram......................................................................................27
8.2 Installation Parts-checking ............................................................................................29
8.3 Selection of Installation Location....................................................................................29
8.4 Requirements for electric connection .............................................................................29
8.5 Installation of Indoor Unit................................................................................................29
8.6 Installation of Outdoor Unit.............................................................................................32
8.7 Vacuum Pumping and Leak Detection ...........................................................................33
8.8 Check after Installation and Test Operation ...................................................................33
9. Maintenance............................................................................................................34
9.1 Error Code......................................................................................................................34
9.2 Procedure of Troubleshooting ........................................................................................37
9.3 Maintenance Method for Normal Malfunction.................................................................49