Daikin 4MXS-R Series Service Manual page 248

Field Settings
FVXS Series
(1) Remove the front grille.
(2) Lift the sensor PCB fixing plate and remove the front shield plate.
(3) Disconnect the connectors S1, S41, S42.
(4) Remove the electric box (1 screw).
(5) Pull out the indoor heat exchanger thermistor.
(6) Remove the shield plate (8 tabs).
(7) Cut the address setting jumper JA on the indoor unit PCB.
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.
235
Connector S42
Connector S41
Connector S1
(4) Remove the screw.
JC
JA
JB
(6) Shield plate
(5) Indoor heat exchanger
thermistor
(3)
JA
Address
EXIST
1
CUT 2
Sensor
PCB fixing
plate
(R21129)
SiUS121736EA
(2)
Front shield
plate
Trial Operation and Field Settings