Indoor Unit SiBE121135_A
57 Printed Circuit Board Connector Wiring Diagram
2.6 FVXS25/35/50FV1B
Control PCB
Caution Replace the PCB if you accidentally cut the jumpers other than JA, JB, and JC.
Jumpers are necessary for electronic circuit. Improper operation may occur if you cut any of
them.
1) S1 Connector for fan motor
2) S21 Connector for centralized control (HA)
3) S26 Connector for service PCB
4) S32 Indoor heat exchanger thermistor
5) S41 Connector for lower air outlet motor
6) S42 Connector for swing motor
7) S46 Connector for display PCB
8) S48 Connector for sensor PCB
9) H1, H2, H3 Connector for terminal board
10)E1 Terminal for earth wire
11)V1, V2 Varistor
12)JA Address setting jumper
∗ Refer to page 253 for detail.
13)JB Fan speed setting when compressor stops for thermostat OFF
JC Power failure recovery function
∗ Refer to page 257 for detail.
14) FU1 (F1U) Fuse (3.15A, 250V)
15) LED A LED for service monitor (green)
S1 LED A S21 S41 S42 S26
S46
S48
S32
JC
JA
JB
V1
V2
H1
FU1
2P191446-1
H2
H3
E1
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