Service manual

SiBE05-722_C Field Settings
Trial Operation and Field Settings 115
4.3 Jumper and Switch Settings
Jumper
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 16
Outdoor unit; page 18, 20, 22
Switch
For the location of the switch, refer to page 16.
Jumper Function When connected
(factory set)
When cut
JB
(on indoor unit PCB)
Fan speed setting
when compressor
stops for thermostat
OFF. (effective only
in 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.
J5
(on outdoor unit PCB)
Improvement of
defrost
performance
Standard control Reinforced control
(ex. The frequency increases,
the duration time of defrost
lengthens.)
Switch Function FLOOR
(factory set)
CEILING
SW2
(on indoor unit PCB)
Installation style
changeover
When installed as
the floor mounted
type
When installed as the ceiling
suspended type