Jumper Settings - Daikin CTXU25G2V1B Service Manual

SiBE12-908
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
(1) Remove the shield plate of the electrical box.
(2) Cut the address jumper JA on the control PCB.
(1) Slide the front cover and take it off.
(2) Cut the address jumper J4.
1.2.2 Jumper Setting
(On indoor unit PCB)
Others
Control PCB of the indoor unit
(Refer to the removal procedure on page 194)
Wireless remote controller
J4
J4 ADDRESS
EXIST 1
CUT 2
Jumper Function
JC Power failure
recovery function
JB Fan speed setting
when compressor is
OFF on thermostat.
(effective only at
cooling operation)
ADDRESS
JA
JA ADDRESS
EXIST 1
CUT 2
(R8250)
When connected
(factory set)
Auto-restart
Fan speed setting ;
Remote controller
setting
Others
(R8249)
When cut
Unit does not resume operation
after recovering from a power
failure. Timer ON-OFF settings
are cleared.
Fan rpm is set to "0"
<Fan stop>
256