Field Settings
SiBE041012_A
223
Trial Operation and Field Settings
4.2
Standby Electricity Saving
Outline
25/35 Class Only
This function turns power supply OFF to the outdoor unit and sets the indoor unit into energy-
saving mode, thus reducing the power consumption of the air conditioner.
Detail
Following procedure is required for turning ON the function.
1. Check that the main power supply is turned OFF. Turn OFF if it has not been turned OFF.
2. Remove the stop valve cover.
3. Disconnect the selective connector for standby electricity saving.
4. Turn ON the main power supply.
Caution
Before connecting or disconnecting the selective connector for standby electricity saving, make
sure that the main power supply is turned OFF.
4.3
Jumper and Switch Settings
For the location of the jumper and the switch, refer to the following pages.
Indoor unit; page 12
Outdoor unit; page 15, 17
1
2
3
1
2
3
(R11820)
Function OFF
Function ON
The standby electricity saving function is turned OFF
before shipping.
Jumper
Function
When connected
(factory set)
When cut
JB
(on indoor unit PCB)
Fan speed setting
when compressor
stops for thermostat
OFF.
(effective only at
cooling operation)
Fan speed setting ;
Remote controller
setting
Fan rpm is set to “0”
<Fan stop>
JC
(on indoor unit PCB)
Power failure
recovery function
Auto-restart
The unit does not resume
operation after recovering from
a power failure. Timer ON/OFF
settings are cleared.
J5
(on outdoor unit PCB
of 25/35 class)
Improvement of
defrost performance
Standard control
Reinforced control
(ex. The frequency increases,
the duration time of defrost
lengthens.)
Switch
Function
OFF (factory set)
ON
SW4-C
(on outdoor unit PCB
of 50 class)
Improvement of
defrost performance
Standard control
Reinforced control
(ex. The frequency increases,
the duration time of defrost
lengthens.)