Outdoor Unit
SiUS121827E
54
Part 3 Printed Circuit Board Connector Wiring Diagram
6. Outdoor Unit
Main PCB (PCB1)
1)
S, S10
Connector for terminal block (indoor - outdoor transmission)
2)
S15
Connector for COOL/HEAT lock
∗
Refer to page 275 for details.
3)
S20 (white)
Connector for electronic expansion valve coil A port
4)
S21 (red)
Connector for electronic expansion valve coil B port
5)
S22 (blue)
Connector for electronic expansion valve coil C port
6)
S23 (yellow)
Connector for electronic expansion valve coil D port
7)
S24 (white)
Connector for electronic expansion valve coil E port (5MXS-T only)
8)
S25 (red)
Connector for electronic expansion valve coil for bypass circuit
9)
S40
Connector for overload protector
10)
S70
Connector for DC fan motor
11)
S80
Connector for four way valve coil
12)
S90
Connector for thermistors
(outdoor temperature, outdoor heat exchanger, discharge pipe)
13)
S92
Connector for gas pipe thermistor
14)
S93
Connector for liquid pipe thermistor
15)
S201, S202
Connector for service monitor PCB (PCB2)
16)
HL1, HN1
Connector for terminal strip (power supply)
17)
E1, E2, E3
Connector for ground wire
18)
U, V, W
Connector for compressor
19)
FU1
Fuse (3.15 A, 250 V)
20)
FU2
Fuse (5 A, 250 V)
21)
FU3
Fuse (56 A, 250 V)
22)
FU10
Fuse (10 A, 250 V)
23)
V3, V4, V401
Varistor