Daikin FTX50GV1B Service Manual page 28

Outdoor Unit
Main PCB (PCB 2)
1) S10
2) S12
3) S20
4) S40
5) S50
6) S70
7) S80
8) S90
9) HL3, HN3
10)U, V, W
11)FU2
12)LED A
13)V1
14)J6
15)J8
S80
S12
V1
Caution Replace the PCB if you accidentally cut the jumpers other than J6 and J8.
Jumpers are necessary for electronic circuit. Improper operation may occur if you cut any of
them.
17
Connector for S11 on filter PCB
Connector for HL4, HN4 on 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 HL2, HN2 on filter PCB
Terminal for compressor
Fuse (3.15 A, 250 V)
LED for service monitor (green)
Varistor
Jumper for facility setting
∗ Refer to page 109 for detail.
Jumper for improvement of defrost performance
∗ Refer to page 110 for detail.
S70 FU2
HN3 HL3
S20 S40 S90
Printed Circuit Board Connector Wiring Diagram
SiBE041029EC
S50
S10
J6
LED A
J8
U, V, W
2P273854-6
2P273854-7