Field Settings SiBE121021_C
450 Trial Operation and Field Settings
5.1.3 Jumper and Switch Settings
<Floor Standing Type>
<Floor / Ceiling Suspended Dual Type>
For the location of the jumper and the switch, refer to the following pages.
Wall mounted type: page 51, 54, 57
Floor Standing Type: page 60
Floor / Ceiling Suspended Dual Type: page 62
Duct connected type: page 64
Jumper (on indoor
unit PCB)
Function When connected
(factory set)
When cut
JB 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 Power failure
recovery function
Auto-restart The unit does not resume
operation after recovering from a
power failure. Timer settings are
cleared.
Switch (on indoor unit
PCB)
Function OFF (factory set) ON
SW2-4 Upward airflow limit
setting
Exposed or half
embedded
installation
Set the switch to ON position
when you install the indoor unit
embedded in the wall to avoid
condensation.
Switch (on indoor unit
PCB)
Function FLOOR (factory
set)
CEILING
SW2 Installation style
changeover
When installed as
the floor mounted
type
When installed as the ceiling
suspended type
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