Fvxs09/12/18Nvju - Daikin 2MXS-N Series Service Manual

Indoor Unit
1.4

FVXS09/12/18NVJU

Control PCB
(PCB2)
1) S1
2) S21
3) S26
4) S32
5) S41
6) S42
7) S46
8) S48
9) H1, H2, H3
10)E1
11)JA
12)JB
13)JC
14) FU1 (F1U), FU2 Fuse (3.15 A, 250 V)
15) LED A
16) V1, V2
Caution Replace the PCB if you accidentally cut the jumpers other than JA, JB, and JC.
Jumpers are necessary for electronic circuit. Improper operation may occur if you cut any of them.
Note: The symbols in the parenthesis are the names on the appropriate wiring diagram.
24
Connector for fan motor
Connector for centralized control (HA)
Connector for service PCB
Indoor heat exchanger thermistor
Connector for lower air outlet motor
Connector for swing motor
Connector for display PCB
Connector for sensor PCB
Connector for terminal board
Terminal for ground wire
Address setting jumper
∗ Refer to page 189 for detail.
Fan speed setting when compressor stops for thermostat OFF
∗ Refer to page 191 for detail.
Power failure recovery function
∗ Refer to page 191 for detail.
LED for service monitor (green)
Varistor
FU2
E1
V2
V1
H2
H3
FU1 H1 S1 LEDA S21 S41 S42
Printed Circuit Board Connector Wiring Diagram
SiUS121502E
JB
JA
JC
S32
S48
S46
S26
2P383711-1