Auto Restart; Way Valve Control; Defrost Cycle - Daikin FTXN-LV Troubleshooting Manual

MINIMUM RUN CONTROL
To prevent frequent compressor ON/OFF & to allow pressure equalization
•
The compressor will be on 3 minutes stand-by after turning OFF before it is allowed to turn ON.
•
OD fan OFF delay to improve pressure equalization & to prevent refrigerant from entering into
evaporator.

AUTO RESTART

- Factory pre-set.
- Allow unit to automatically resume the same operating mode it was in before a power failure.

4-WAY VALVE CONTROL

- Change over switching is only carried out during operation.
- OFF delayed is applied when the coil switches from ON to OFF, i.e. A5LCY Series I - 45 second,
Operating mode
Heat, except for defrost
Cool
Dry
Defrost

DEFROST CYCLE

During defrost
Compressor
4-way valve
EXV in operation room
EXV in operation stop room
Outdoor fan
Indoor fan
TS13-01 Troubleshooting manual
4-way valve is
ON
OFF
RXN-LV
ON
OFF
Fixed opening
-
OFF
OFF
8