Specifications
Table Of Contents
- Cover
- Table of Contents
- Part 1 General Information
- Part 2 Specifications
- Part 3 Refrigerant Circuit
- Part 4 Function
- Part 5 Test Operation
- Part 6 Troubleshooting
- Part 7 Appendix
- 1. Piping Diagrams
- 2. Wiring Diagrams for Reference
- 3. List of Electrical and Functional Parts
- 4. Option List
- 5. Piping Installation Point
- 6. Example of connection (R-410A Type)
- 7. Thermistor Resistance / Temperature Characteristics
- 8. Pressure Sensor
- 9. Method of Checking the Inverter’s Power Transistors and Diode Modules
- Part 8 Precautions for New Refrigerant (R-410A)
- Index
- Drawings & Flow Charts
Troubleshooting by Indication on the Remote Controller Si34-704
284 Troubleshooting
Troubleshooting
NO
YES
Replace the main PCB of the
outdoor unit.
NO
YES
The number of indoor units
exceeds the standard. Check the
connection to correct.
Replace the main PCB of the
outdoor unit.
Match the refrigerant types of the
outdoor unit and the indoor unit.
Check 3 Check 4
Diagnosis Flow 1
Check 3 Check 4
Diagnosis Flow 2
The number
of indoor units connected
to the same refrigerant circurt system
should not be more than
64 units.
Check if the refrigerant
type of the outdoor unit
corresponds to that of
the indoor unit.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.