Specifications

Printed Circuit Board Connector Wiring Diagram SiUS12-928_A
21 Printed Circuit Board Connector Wiring Diagram
1.3 Outdoor Unit - 2MXS18GVJU
Connectors and
Other Parts
Main PCB
Service Monitor PCB
MID1
1) S10 Connector for MID1 (indoor - outdoor transmission)
2) S15 Connector for COOL / HEAT mode lock
∗ Refer to page 221 for detail.
3) S20 (white) Connector for electronic expansion valve coil A port
4) S21 (red) Connector for electronic expansion valve coil B port
5) S31, S32 Connector for SPM
6) S33, S71 Connector for MID2 (inverter PCB )
7) S40 Connector for overload protector
8) S51, S101 Connector for service monitor PCB
9) S80 Connector for four-way valve coil, defrost solenoid valve coil
10)S90 Connector for thermistors
(outdoor temperature, outdoor heat exchanger, discharge pipe)
11)S91 Connector for fin thermistor
12)S92 Connector for gas pipe thermistor
13)S93 Connector for liquid pipe thermistor
14)AC1, AC2 Connector for MID1 (power supply)
15)E Connector for ground
16)H1, H2 Connector for diode bridge
17)FU2 Fuse (3.15 A, 250 V)
18)V2, V5 Varistor
1) S52, S102 Connector for main PCB
2) LED A (H1P) LED for service monitor (green)
3) LED1 - LED4
(H2P - H5P)
LED for service monitor (red)
4) SW1 (S1W) Forced operation ON/OFF switch
∗ Refer to page 59 for detail.
5) SW2 (S2W) Operation mode switch
∗ Refer to page 59 for detail.
6) SW3 (S3W) Wiring error check switch
∗ Refer to page 219 for detail.
7) SW4 (S4W) Priority room setting switch
∗ Refer to page 221 for detail.
8) SW5 (S5W) NIGHT QUIET mode setting switch
∗ Refer to page 222 for detail.
1) S11, HL, HN Connector for main PCB
2) HE Connector for ground
3) FU1 Fuse (30 A, 250 V)
4) V3 Varistor