Outdoor Unit; 20/25/35 Class - Daikin FTXG20LV1BW Service Manual

Outdoor Unit

2. Outdoor Unit
2.1

20/25/35 Class

Main PCB (PCB2)
1) S10
2) S20
3) S40
4) S50
5) S70
6) S80
7) S90
8) S100
9) HL3, HN3
10) HR2
11) U, V, W
12) FU2
13) LED A
14) V1
15) J5
Caution Replace the PCB if you accidentally cut the jumpers other than J5.
Jumpers are necessary for electronic circuit. Improper operation may occur if you cut any of
them.
11
Connector for filter PCB
Connector for electronic expansion valve coil
Connector for overload protector
Connector for magnetic relay
Connector for fan motor
Connector for four way valve coil
Connector for thermistors
(outdoor temperature, outdoor heat exchanger, discharge pipe)
Connector for forced operation button PCB
Connector for filter PCB
Connector for reactor
Connector for compressor
Fuse (3.15 A, 250 V)
LED for service monitor (green)
Varistor
Jumper for improvement of defrost performance
∗
Refer to page 109 for detail.
S10
S70
S40
S20
S80
HL3
V1
HN3
J5 S90 LED A
FU2 S100
Printed Circuit Board Connector Wiring Diagram
S50
SiBE041401E
U V W
HR2
2P358715-2