Service Manual
Table Of Contents
- Cover
- Table of contents
- Part 1 List of Functions
- Part 2 Specifications
- Part 3 Printed Circuit Board Connector Wiring Diagram
- Part 4 Refrigerant Circuit
- Part 5 Functions and Control
- Part 6 Test Operation and Field Settings
- Part 7 Remote Controller
- Part 8 Troubleshooting
- 1. Troubleshooting with LED
- 2. Service Diagnosis
- 3. Error Codes and Description
- 4. Troubleshooting for CTXG, CTXS, FTXS, CDXS, FDXS, FVXS Series
- 5. Troubleshooting for FFQ Series
- 6. Troubleshooting for Branch Provider (BP) Unit
- 7. Troubleshooting for Outdoor Unit
- 8. Thermistor Resistance/Temperature Characteristics
- 9. Pressure Sensor
- 10. Method of Replacing Inverter’s Power Transistors Modules
- Part 9 Appendix
SiUS181631EA Piping Diagrams
Appendix 275
1.3 Indoor Unit
CTXG09/12QVJUW(S) CTXG18QVJUW(S)
CTXS07JVJU, CTXS09/12HVJU CTXS07LVJU, FTXS09/12LVJU
4D101008
Indoor unit
1/4 CuT
3/8 CuT
Heat exchanger thermistor
Heat exchanger
Crossflow fan
Fan motor
Field piping
3/8 CuT
Field piping
1/4 CuT
Refrigerant flow
Cooling
Heating
4D101010
Indoor unit
1/4 CuT
3/8 CuT
Heat exchanger thermistor
Heat exchanger
Crossflow fan
Fan motor
Field piping
1/2 CuT
Field piping
1/4 CuT
Refrigerant flow
Cooling
Heating
INDOOR UNIT
(5/16CuT)
HEAT EXCHANGER
CROSS FLOW FAN
M
FAN MOTOR
(1/2CuT)
REFRIGERANT FLOW
COOLING
HEATING
THERMISTOR
ON HEAT EXCH.
FIELD PIPING
(1/4CuT)
FIELD PIPING
(3/8CuT)
4D048251C
INDOOR UNIT
1/4 CuT
HEAT EXCHANGER
CROSS FLOW FAN
M
FAN MOTOR
CuT3/8
REFRIGERANT FLOW
COOLING
HEATING
4D074606
THERMISTOR
ON HEAT EXCH.
FIELD PIPING
1/4 CuT
FIELD PIPING
3/8 CuT