Ms04-12 Main Pcb Ports - Midea VRF Series Service Manual

V6R VRF 50/60Hz
MS04-12
Figure 5-6.1: MS04-12 main PCB ports
Notes:
1. Label descriptions are given in Table 5-6.2
Table 5-6.2: MS04-12 main PCB ports
Label in
Code
Figure 5-5.2
1 CN24
2 CN18
3 CN20
4 CN11
5 CN13,CN12
6 CN14,CN15
7 CN22
8 CN26
9 SW1,SW2,SW3,SW4
10 CN31
11 FUSE
12 CN16、CN17
13 CN4
14 CN3
15 CN5
16 CN6
17 CN9
76
1
Content
Temperature sensor(T1C1,T2C2) connection
Electric expansion valve A connection
Program port
Communication port to monitor (reserved)
Communication port to outdoor unit or other MS
Communication port to main PCB
Communication port to indoor unit
Communication port to indoor unit
Switches
Ground port
T5A/250VAC
Power supply port
Connection to SV4A and SV4B valves
Connection to SV3A and SV3B valves
Connection to SV2A and SV2B valves
Connection to SV1A and SV1B valves
Connection to SVP valve
Port voltage
5VDC
12VDC
5VDC
5VDC
5VDC
5VDC
5VDC
5VDC
5VDC
/
220-240VAC
220-240VAC
220-240VAC
220-240VAC
220-240VAC
220-240VAC
220-240VAC