Indoor Unit SiBE041011_A
10 Printed Circuit Board Connector Wiring Diagram
1. Indoor Unit
PCB (1): 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) S25 Connector for INTELLIGENT EYE sensor PCB
4) S32 Connector for indoor heat exchanger thermistor
5) S41 Connector for swing motors
6) S46 Connector for display PCB
7) S47 Connector for signal receiver PCB
8) H1, H2, H3 Connector for terminal board (indoor - outdoor transmission)
9) FG Connector for terminal board (frame ground)
10) JA Address setting jumper
∗ Refer to page 116 for detail.
11) JB Fan speed setting when compressor stops for thermostat OFF
JC Power failure recovery function (auto-restart)
∗ Refer to page 118 for detail.
12) LED A LED for service monitor (green)
13) FU1 (F1U) Fuse (3.15 A, 250 V)
14) V1 Varistor
2P227881-2
V1
H1H2H3
LED A
S32
S1
S41
S46
S25
S47
S21
JB
JAJC
FG
FU1
(3.15A)
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