Forced Cooling Operation - Daikin CTXG09QVJUW Service Manual

Forced Cooling Operation

2. Forced Cooling Operation
Outline The forced cooling operation is allowed when both the following conditions are met.
1. The outdoor unit is not abnormal and not in the 3-minute standby mode.
2. The outdoor unit is not operating.
Protection functions have priority over all other functions during forced cooling operation.
Procedure 1. Turn off the power.
2. Remove the service lid (2 screws).
3. Remove the service PC-board switch cover (1 screw).
4. Switch SW5 and SW6 to off.
5. Turn the operation mode switch (SW2) to COOL.
6. Screw the service PC-board switch cover back on (1 screw).
7. Turn on the power.
8. Push the forced operation switch (SW1) above the service PC-board cover. (The operation will
204
start.)
→ Forced cooling operation will stop automatically after about 10 minutes.
To stop the operation, push the forced operation switch (SW1).
Service monitor PCB
Remove
E the switch
D
2 cover.
4
C
1
COOL E
3
B Screw D
C
2
B
A
A
1
2
1
4
3
2
1
COOL HEAT
Trial Operation and Field Settings
SiUS121630EA
•Turn off all the switches of
SW5 and SW6.
ON OFF
2
SW6
1
ON OFF
4
3
SW5
2
1
Operation mode switch (SW2)
COOL HEAT
Forced operation ON/OFF
switch (SW1)
(R24623)