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
Piping Diagrams SiUS181631EA
276 Appendix
FTXS15/18LVJU FTXS24LVJU
FDXS09/12LVJU CDXS15/18LVJU
INDOOR UNIT
5/16 CuT
DISTRIBUTOR
HEAT EXCHANGER
CROSS FLOW FAN
M
FAN MOTOR
HEADER
1/2 CuT
REFRIGERANT FLOW
COOLING
HEATING
THERMISTOR
ON HEAT EXCH.
FIELD PIPING
1/4 CuT
FIELD PIPING
1/2 CuT
4D074609
INDOOR UNIT
5/16 CuT
DISTRIBUTOR
HEAT EXCHANGER
CROSS FLOW FAN
M
FAN MOTOR
HEADER
1/2 CuT
REFRIGERANT FLOW
COOLING
HEATING
THERMISTOR
ON HEAT EXCH.
FIELD PIPING
1/4 CuT
FIELD PIPING
5/8 CuT
4D074608
INDOOR UNIT
(1/4CuT)
HEAT EXCHANGER
SIROCCO FAN
M
FAN MOTOR
(3/8CuT)
REFRIGERANT FLOW
COOLING
HEATING
4D074621
FIELD PIPING
(1/4CuT)
FIELD PIPING
(3/8CuT)
THERMISTOR
ON HEAT
EXCH.
INDOOR UNIT
(1/4 (6.4mm) CuT)
HEAT EXCHANGER
SIROCCO FAN
M
FAN MOTOR
(1/2 (12.7mm) CuT)
REFRIGERANT FLOW
COOLING
HEATING
4D075271
THERMISTOR
ON HEAT
EXCH.
FIELD PIPING
(1/4 (6.4mm) CuT)
FIELD PIPING
(1/2 (12.7mm) CuT)