Outdoor Units - Daikin B-Series Service Manual

Si12-714
1.5

Outdoor Units

Connectors
Control PCB
1)
2)
3)
4)
5)
6)
7)
8)
9)
10)
11)
12)
13)
14)
15)
16)
17)
Service Monitor PCB
1)
2)
MID1
1)
Inverter PCB (MID2)
1)
2)
3)
SPM
1)
2)
3) L1,
Note: Other Designations
Service Monitor PCB
1)
2)
3)
4)
5)
6)
Printed Circuit Board Connector Wiring Diagram
S10 Connector for S11 on MID1
S20 Connector for electronic expansion valve coil A port
S21 Connector for electronic expansion valve coil B port
S22 Connector for electronic expansion valve coil C port
S23 Connector for electronic expansion valve coil D port
S31 Connector for CN14 on SPM
S32 Connector for CN11 on SPM
S33 Connector for S34 on inverter PCB (MID2)
S40 Connector for overload protector
S51 Connector for S52 on service monitor PCB
S71 Connector for S72 on inverter PCB (MID2)
S80 Connector for four way valve
S90 Connector for thermistor
(outdoor air, heat exchanger, and discharge pipe)
S91 Connector for fin thermistor
S92 Connector for gas pipe thermistor
S93 Connector for liquid pipe thermistor
S101 Connector for S102 on service monitor PCB
S52 Connector for S51 on control PCB
S102 Connector for S101 on control PCB
S11 Connector for S10 on control PCB
S34 Connector for S33 on control PCB
S70 Connector for fan motor
S72 Connector for S71 on control PCB
CN11 Connector for S32 on control PCB
CN14 Connector for S31 on control PCB
L2 Connector for reactor
LED A, LED 1 to 4 Service monitor LED
SW1 Forced operation ON/OFF switch
SW2 Cooling/heating mode lock switch
SW3 Wiring error check switch
SW4 Priority room setting switch
SW5 Night quiet mode setting switch
Printed Circuit Board Connector Wiring Diagram
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