SiME281906E
Emergency Operation
Part 5 Field Settings and Test Operation
90
Note(s)
4.1 Forced Operation
To start forced operation, proceed as follows:
Emergency operation cannot be carried out when the PCB itself is defective.
Change the position of the emergency switch only when the power is turned OFF.
When returning to the normal operation, restore the switch to the original position with the
power OFF.
When safety device is activated in emergency operation, operation is stopped once and
restarted in 3 minutes.
Step
Action
1
Turn OFF the power supply.
2
Flip the emergency switch (DS1-1) on the indoor unit PCB from
NORM
(Normal, Factory
setting) to
EMG
(Emergency).
3
Set the DIP switch (DS1-1) on the outdoor unit PCB to
ON
.
4
Set the DIP switch (DS1-2) on the outdoor unit PCB to
COOL
.
5
Turn ON the power supply to start forced operation.
Normal
Emergency
ON
COOL
OFF
HEAT
1
2
ON
COOL
OFF
HEAT
1
2