Service and Parts Manual
Table Of Contents
- Part Ⅰ: Technical Information
- 1. Summary
- 2. Specifications
- 2.1 Specification Sheet
- 2.2 Cooling Capacity Tables
- 3. Outline Dimension Diagram
- 4. Refrigerant System Diagram
- 5. Electrical Part
- 5.1 Wiring Diagram
- 5.2 PCB Printed Diagram
- 6. Function and Control
- Part Ⅱ: Installation and Maintenance
- 7. Safety Precautions
- 8. Installation Manual
- 8.1 Preparation before Installation
- 8.2 Installation Instruction
- 9. Troubleshooting
- 9.1 Malfunction Indicator
- 9.2 Malfunction Checking and Elimination
- 9.3 Maintenance Method for Normal Malfunction
- 10. Exploded View and Parts List
- 11. Removal Procedure
- Appendix:
52
Installation and Maintenance
Service Manual
Steps Procedure
blade
motor support
motor
electric box assy
1.Remove the grounding wire screw on the electric
box assy and then remove the grounding wire.
2.Disconnect the wiring terminals of reactor,
compressor, high and low pressure switch,
compressor overload protector, temperature sensor,
outdoor fan motor and 4-way valve. (See g 2)
Note: keep pressing the circlip when disconnecting
the wiring terminal of reactor; keep pressing the
retainer when disconnecting other wiring terminals.
3.Remove the wire inside the wiring groove.
8. Remove electric box assy
9. Remove blade, motor, motor support, reactor
1.Remove nuts xing axial ow blade with wrench,
and then remove the axial ow blade.
2.Remove 2 screws connecting motor support and
chassis, loosen damper block and then remove the
motor support.
3.Remove 4 screws fixing motor,and then remove
the motor
4.Remove 4 screws fixing reactor sub-assy and
motor support, and then remove the reactor sub-
assy.
Unsolder the spot weld between 4-way valve and
vapour liquid separator, compressor cut-off valve
sub-assy and condenser, and then remove the 4-way
valve.
Note: When unsoldering the spot weld, wrap the
4-way valve with wet cloth completely to avoid
damage to valve due to high temperature.
10 Remove 4-way valve
4-way valve