
Field Settings SiBE04-624_B
150 Trial Operation and Field Settings
4.2 When 2 Units are Installed in 1 Room
Outline When 2 indoor units are installed in 1 room, 1 of the 2 indoor unit and the corresponding
wireless remote controller can be set for different addresses.
Both the indoor unit PCB and the wireless remote controller need alteration.
Indoor Unit PCB
Cut the address setting jumper JA on the control PCB.
Wireless Remote
Controller
Cut the address setting jumper J4.
4.3 Jumper Settings
Caution Replace the PCB if you accidentally cut a wrong jumper.
Jumpers are necessary for electronic circuit. Improper operation may occur if you cut any of
them.
For the location of the jumper, refer to the following pages.
Indoor unit: page 10
Outdoor unit: page 13
Electrical box
Cut JA.
(R14037)
Jumper
(R18328)
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 speed setting; “0” (The fan
stops.)
JC
(on indoor unit PCB)
Power failure
recovery function
Auto-restart The unit does not resume
operation after recovering from a
power failure. Timer settings are
cleared.
J8
(on outdoor unit PCB)
Improvement of
defrost
performance
Standard control Reinforced control
(ex. The frequency increases,
the duration time of defrost
lengthens.)
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