SiUS041501E Outdoor Unit
Printed Circuit Board Connector Wiring Diagram 20
2. Outdoor Unit
2.1 09/12 Class, RKN18NMVJU
Main PCB
Caution Replace the PCB if you accidentally cut a wrong jumper.
Jumpers are necessary for electronic circuit. Improper operation may occur if you cut any of them.
1) S20 Connector for electronic expansion valve coil
2) S30 Connector for compressor
3) S40 Connector for overload protector
4) S71 Connector for DC fan motor
5) S80 Connector for four way valve coil (heat pump model only)
6) S90 Connector for thermistors
(outdoor temperature, outdoor heat exchanger, discharge pipe)
7) HL1, HN1, S Connector for terminal board
8) E1, E2 Terminal for ground wire
9) HR1, HR2 Connector for reactor
10)FU1, FU2 Fuse (3.15 A, 250 V)
11)FU3 Fuse (20 A, 250 V)
12)J6 Jumper for facility setting (RK(X)-N models only)
∗ Refer to page 107 for detail.
12)LED A LED for service monitor (green)
13)V2, V3, V150 Varistor
E1, E2
FU3
V150
V2
V3
FU1
FU2
HR1
HR2
S20
LED A
S90
S30
J6
S40
2P353825-7
2P353825-8
HL1, HN1, S
S80 S71
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