Loading ...
Loading ...
Loading ...
Forced Cooling Operation SiUS121827E
248 Part 7 Trial Operation and Field Settings
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 right side panel (6 screws) and the shield cover (2 screws).
3. Remove the cover of service monitor PCB (1 screw).
4. Switch SW5 and SW6 to off.
5. Turn the operation mode switch (SW2) to COOL.
6. Screw the cover of service monitor PCB back on (1 screw).
7. Attach the shield cover (2 screws) and the right side panel (6 screws).
8. Turn on the power.
9. Press the forced operation switch (SW1) above the service monitor PCB cover. (The operation
will start.)
Forced cooling operation will stop automatically after about 8 minutes.
To stop the operation, press the forced operation switch (SW1) again.
R7000217
Service monitor PCB
HEAT
COOL
4
3
2
1
2
1
E
D
C
B
A
COOL
4
3
2
1
2
1
E
D
C
B
A
Screw
Remove
the switch
cover
Forced operation switch (SW1)
•Switch SW5 and SW6 to off.
•Set to COOL.
Operation mode switch (SW2)
2
1
ON OFF
4
3
ON OFF
2
1
HEAT
COOL
SW6
SW5
Loading ...
Loading ...
Loading ...