Daikin FTX25JVEA9 Service Manual page 362

Si18-201
2. BP unit connection priority
When connecting to the BP unit, always start the connection with BP1 of the terminal board (at outdoor unit side) in
the sequential order.
Improper connection will cause a transmission failure, preventing the operation.
OUTDOOR UNIT
TO BP1
1 2 3
Make sure numbers
1, 2, and 3 all match.
When wire length exceeds
10 m, use 2.0-mm wires.
BP
1
2
unit
3
Caution Before Operation
TO BP2 TO BP3
1 2 3 1 2 3
1 2 3 1 2 3
BP Unit BP Unit
Firmly fix the wires with
the terminal screws.
Firmly fix the wires with
the terminal screws.
OUTDOOR UNIT
TO BP1 TO BP2 TO BP3
1 2 3 1 2 3 1 2 3
1 2 3
BP Unit
OUTDOOR UNIT
TO BP1 TO BP2 TO BP3
1 2 3 1 2 3 1 2 3
1 2 3
BP Unit
Outdoor unit
1 2 3 L N
Safety
breaker
H05VV
1.6mm
Earth
or
2.0mm
H05VV
2.6mm
(5.5mm 2)
OUTDOOR UNIT
TO BP1 TO BP2 TO BP3
1 2 3 1 2 3 1 2 3
1 2 3
1 2 3
BP Unit BP Unit
OUTDOOR UNIT
TO BP1 TO BP2 TO BP3
1 2 3 1 2 3 1 2 3
1 2 3 1 2 3
BP Unit BP Unit
Be sure to attach this.
Earth leakage
Power
circuit breaker
supply
Wiring
349