Field Settings
SiBE041012_B
130
Trial Operation and Field Settings
4.4
Jumper and Switch Settings
Indoor Unit
For the location of the jumper, refer to page 15.
Outdoor Unit
For the location of the jumper and the switch, refer to page 17, 19, 20.
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.
Function
Jumper
When connected
(factory set)
When cut
Fan speed setting
when compressor
stops for thermostat
OFF.
(effective only at
cooling operation)
JB
(on indoor unit PCB)
Fan speed setting;
Remote controller
setting
Fan speed setting; “0” (The fan
stops.)
Power failure
recovery function
JC
(on indoor unit PCB)
Auto-restart
The unit does not resume
operation after recovering from
a power failure. Timer settings
are cleared.
Function
Switch / Jumper
Switch: OFF
Jumper: connected
(factory set)
Switch: ON
Jumper: cut
Improvement of
defrost
performance
25/35 class
→
J5
RXG50K2V1B
→
SW4-C
RXG50K3V1B
→
J8
Standard control
Reinforced control (ex. The
frequency increases, the
duration time of defrost
lengthens.)