Other Considerations SiUS04-904
Other Considerations 255
1.2 Jumper Settings
1.2.1 When 2 Units are Installed in 1 Room
When 2 indoor units are installed in 1 room, one of the 2 wireless remote controllers can be set for
different address.
How to set the different address
Control PCB of the indoor unit
(1) Remove the shelter of the electrical box. (Refer to page 165 and 190 for removal procedure.)
(2) Cut the address jumper JA on the control PCB.
Wireless remote controller
(1) Slide the front cover and take it off.
(2) Cut the address jumper J4.
1.2.2 Jumper Setting
09/12 Class 15/18/24 Class
Jumper
(On indoor control PCB)
Function When connected
(factory set)
When cut
JC Power failure
recovery function
Auto-restart 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.
(effective only at
cooling operation)
Fan speed setting ;
Remote controller
setting
Fan rpm is set to “0”
<Fan stop>