Mode Selection Box Main Pcb; Ms01 Main Pcb Ports - Midea VRF Series Service Manual

6 Mode Selection Box Main PCB

6.1 Ports
MS01
Figure 5-6.1: MS01 main PCB ports
1
2
3
4
5
Notes:
1. Label descriptions are given in Table 5-6.1
Table 5-6.1: MS01 main PCB ports
Label in
Code
Figure 5-5.1
1 CN24
2 CN17
3 CN18
4 CN19
5 CN22
6 CN20
7 CN3,CN4,CN5,CN6,CN7
8 CN1
9 CN2
10 CN10
11 CN14
12 CN11
13 CN89
14 CN88
15 SW1,SW2,SW3,SW4
1
7
6
15
Temperature sensor(T1C1,T2C2) connection
Electric ball valve A connection
Electric ball valve B connection
Electric ball valve C connection
Electric expansion valve A connection
Program port
Refrigerant sensors connection
Ventilation fan connection
Alarm connection
Communication port to outdoor unit
Communication port to indoor unit
Communication port to monitor
UPS connection
Power supply connection
Switches
9
8
Content
V6R VRF 50/60Hz
Port voltage
5VDC
12VDC
12VDC
12VDC
12VDC
5VDC
12VDC
0-1A/0-24VDC/AC
0-1A/0-24VDC/AC
5VDC
5VDC
5VDC
220-240VAC
220-240VAC
5VDC
14
13
12
11
10
75