Service Manual
Table of Contents
Part Ⅰ: Technical Information.......................................................................1
1. Summary......................................................................................................................1
2. Specications..........................................................................................................2
2.1 Specication Sheet...........................................................................................................2
2.2 Capacity Variation Ratio According to Temperature .........................................................4
2.3 Cooling and Heating Data Sheet in Rated Frequency .....................................................4
3. Outline Dimension Diagram........................................................................5
3.1 Indoor Unit........................................................................................................................5
3.2 Outdoor Unit .....................................................................................................................5
4. Refrigerant System Diagram......................................................................6
5. Electrical Part...........................................................................................................7
5.1 Wiring Diagram.................................................................................................................7
5.2 PCB Printed Diagram .......................................................................................................9
6. Function and Control......................................................................................11
6.1 Remote Controller Introduction .....................................................................................11
6.2 Brief Description of Modes and Functions......................................................................15
Part Ⅱ: Installation and Maintenance .................................................20
7. Notes for Installation and Maintenance..........................................20
8. Installation................................................................................................................22
8.1 Installation Dimension Diagram......................................................................................22
8.2 Installation Parts-checking ............................................................................................24
8.3 Selection of Installation Location....................................................................................24
8.4 Electric Connection Requirement...................................................................................24
8.5 Installation of Indoor Unit................................................................................................24
8.6 Installation of Outdoor Unit.............................................................................................27
8.7 Vacuum Pumping and Leak Detection ...........................................................................28
8.8 Check after Installation and Test Operation ...................................................................28
9. Maintenance............................................................................................................29
9.1 Error Code......................................................................................................................29
9.2 Procedure of Troubleshooting ........................................................................................31
9.3 Maintenance Method for Normal Malfunction.................................................................36
Table of Contents