SiSG121917E
Indoor Unit
Part 3 Printed Circuit Board Connector Wiring Diagram
32
Caution
Note
1.3 FDKS25/35EAVMB, FDKS25/35CAVMB,
FDKS50/60CVMB
Control PCB
(PCB1)
Replace the PCB if you cut a jumper unintentionally.
Jumpers are necessary for electronic circuit. Improper operation may occur if you cut any of
them.
The symbols in the parenthesis are the names on the appropriate wiring diagram.
1)
S1
Connector for AC fan motor
2)
S7
Connector for AC fan motor (Hall IC)
3)
S21
Connector for centralized control (HA)
4)
S26
Connector for display/signal receiver PCB (PCB2)
5)
S32
Connector for indoor heat exchanger thermistor (R2T)
6)
H1, H2, H3
Connector for terminal block
7)
GND
Connector for terminal block (earth)
8)
JA
Address setting jumper
Refer to page 191 for details.
9)
JB
Fan speed setting when compressor stops for thermostat OFF
Refer to page 192 for details.
10)
JC
Power failure recovery function (auto-restart)
Refer to page 192 for details.
11)
LED A
LED for service monitor (green)
12)
FU1 (F1U)
Fuse (3.15 A, 250 V)
13)
V1
Varistor
S1
H2
S7
S26
S32
JC
JB
JA
S21
2P131149-1
LED A
FU1
H1
H3
V1
GND
