Power Supply On/Off 1 (Automatic Operation When Power Supply On); Power Supply On/Off 2 (Restarting Function After Power Failure) - Hitachi RPI-0.8FSG1 Service Manual

4.1.2 Power Supply ON/OFF 1 (Automatic Operation When Power Supply ON)

Set the dip switch on the PCB for the indoor unit as shown in the figure below to start and stop the system
automatically according to the power supply ON/OFF.
When this function is utilized in the condition that there is no person to operate the unit, make the system
with monitoring for disaster prevention.
Turn OFF the power source before setting the dip switch.
Indoor Unit PCB
Set No.5 at ON side.
DSW2
1 2 3 4 5 6 7 8

4.1.3 Power Supply ON/OFF 2 (Restarting Function After Power Failure)

Set the dip switch on the PCB for the indoor unit as shown in the figure below to restart the system
automatically even if power failure continues for more than 2 seconds. The standard setting provides
automatic restarting in less than 2 seconds after a power failure.
The compressor starts in 2 seconds after a 3 minute time guard after power failure.
Turn OFF the power source before setting the dip switch.
Indoor Unit PCB
Set No.7 at ON side.
DSW2
1 2 3 4 5 6 7 8
NOTES:
The unit is started and stopped according to the power
supply ON/OFF due to the power failure.
When the power failure is occurred during stoppage by
the remote control switch operation, the unit is started
ON
again automatically after the power supply is recovered.
OFF
In case of RPK-FSGM* (After Alteration) controlled by
PC-P1H, set by PC-P1H. Refer to the item 4.4.4
Optional Function Setting "item d1".
NOTES:
The system does not start if the system is stopped
before power failure.
In case of RPK-FSGM* (After Alteration) controlled
ON
by PC-P1H, set by PC-P1H. Refer to the item 4.4.4
OFF
Optional Function Setting "item d3".
OPTIONAL FUNCTION
(4.1 Indoor Unit)
4-5