Si12-411A Others
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1.2 Jumper Settings
1.2.1 When Two Units are Installed in One Room
How to set the different addresses.
When two indoor units are installed in one room, the two wireless remote controllers can be
set for different addresses.
PCB in the indoor unit
Remove the front panel.
Remove the sensor parts cover (2-screws), then remove the electric parts box (1-screw).
Slide the metallic cover to remove it. (4-claws on the electric parts box.)
Cut the jumper JA on PCB.
Wireless remote controller (in case of wall mounted type)
Cut the jumper J4.
1.2.2 Jumper Setting
Wireless
remote
controller
AddressJ4
CUT
EXIST
1
2
JA
ADDRESS
J4
ADDRESS:
CUT
EXIST
1
2
JA
JB
JC
Metallic cover
Sensor
parts cover
PCB
Electric
parts box
Claws (4 points)
(R2587)
Jumper
(On indoor PCB)
Function When connected
(factory set)
When cut
JC Power failure
recovery function
Auto start Unit does not resume operation
after recovering from a power
failure. Timer ON-OFF settings
are cleared.
JB Fan speed setting
when compressor is
OFF on thermostat.
Fan speed setting ;
Remote controller
setting
Fan rpm is set to “0”
<Fan stop>
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