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 Field Settings
Test Operation and Field Settings 143
Wireless Remote
Controller
(1) Remove the cover and take it off.
(2) Cut the address setting jumper.
Caution Replace the remote controller if you accidentally cut a wrong jumper.
Jumpers are necessary for electronic circuit. Improper operation may occur if you cut any of them.
2.2.4 Jumper and Switch Settings
CTXG, CTXS, FTXS, CDXS, FDXS, FVXS series
FVXS series only
For the location of the jumper and the switch, refer to the following pages.
CTXG09/12/18QVJUW(S): page 26
CTXS07JVJU, CTXS09/12HVJU: page 28
CTXS07LVJU, FTXS09/12LVJU: page 30
FTXS15/18/24LVJU: page 32
FDXS09/12LVJU, CDXS15/18/24LVJU: page 34
FVXS09/12/15/18NVJU: page 36, 37
ARC452 series ARC466 series
Jumper
ADDRESS
(R12065)
EXIST
CUT
1
2
(R18416)
ADDRESS
EXIST
1
CUT
2
Jumper
∗ Do not cut the left jumper.
Jumper (on indoor
unit PCB)
Function When connected
(factory set)
When cut
JB Fan speed setting
when compressor
stops for thermostat
OFF. (effective only
at cooling operation)
Fan speed setting;
Remote controller
setting
The fan stops.
JC Power failure
recovery function
Auto-restart The unit does not resume
operation after recovering from a
power failure. Timer settings are
cleared.
Switch (on indoor unit
PCB)
Function OFF
(factory setting)
ON
SW2-4 Upward airflow limit
setting
Exposed or half
embedded
installation
Set the switch to ON position
when you install the indoor unit
embedded in the wall to avoid
condensation.