Forced Cooling Operation
SiSG121917E
183
Part 7 Trial Operation and Field Settings
2. Forced Cooling Operation
Procedure
50/65/80 class
1. Turn off the power.
2. Remove the right side panel (7 screws).
3. Remove the service cover (1 screw).
4. Turn SW5 and SW6 to OFF position.
5. Turn the operation mode switch (SW2) to COOL.
6. Screw the service cover back on (1 screw).
7. Turn on the power.
8. Push the forced operation switch (SW1) above the service cover. (Start forced cooling
operation.)
Forced cooling operation will stop automatically after about 15 minutes.
To stop forced cooling operation, push the forced operation switch (SW1) again.
HEAT
COOL
A
1
2
3
4
5
2
1
D
C
B
A
4
3
2
1
Service monitor PCB
•Turn SW5 and SW6
to the OFF position.
2
1
ON
OFF
4
3
ON
OFF
2
1
•Set to COOL.
HEAT
COOL
Operation mode switch
(SW2)
SW5
SW6
Service cover
A
1
2
3
4
5
Forced
operation
switch
(SW1)
(R24958)