Cdxs07/15/18/24Lvju, Fdxs09/12Lvju - Daikin 4MXS-R Series Service Manual

SiUS121736EA
1.4

CDXS07/15/18/24LVJU, FDXS09/12LVJU

Control PCB
(A1P)
1) S1
2) S7
3) S21
4) S26
5) S32
6) H1, H2, H3
7) FG (GND)
8) JA
9) JB
10) JC
11) LED A
12) FU1 (F1U)
13) V1
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.
Note: The symbols in the parenthesis are the names on the appropriate wiring diagram.
Printed Circuit Board Connector Wiring Diagram
Connector for AC fan motor
Connector for AC fan motor (Hall IC)
Connector for centralized control (HA)
Connector for display/signal receiver PCB (A2P)
Connector for indoor heat exchanger thermistor
Connector for terminal block
Connector for terminal block (ground)
Address setting jumper
∗ Refer to page 234 for details.
Fan speed setting when compressor stops for thermostat OFF
∗ Refer to page 236 for details.
Power failure recovery function (auto-restart)
∗ Refer to page 236 for details.
LED for service monitor (green)
Fuse (3.15 A, 250 V)
Varistor
S21
LED A JA
V1
JC JB S32 S26
Indoor Unit
S1
H2
FG
H1
FU1
H3
S7
2P292535-1
32