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:
35
Installation and Maintenance
Service Manual
Malfunction display: F3 Failure of Outdoor Ambient Sensor
N
N
Y
Y
Y
Failure of outdoor Ambient sensor
Check if the plug of the temperature sensor is correctly
connected with socket on the mainboard
Remove the sensor to check if the resistance value is ok
Replace mainboard of the indoor uint
Replace temperature sensor
Check the direction of the plug
and socket
Malfunction display: F5 Failure of Exhaust Temp. Sensor
N
N
Y
Y
Y
Failure of Exhaust Temp. sensor
Check if the plug of the temperature sensor is correctly
connected with socket on the mainboard
Remove the sensor to check if the resistance value is ok
Replace mainboard of the indoor uint
Replace temperature sensor
Check the direction of the plug
and socket