V-51
C
ONTROL
S
YSTEMS
(3) Explanation of part names
No. Name Description
Communication checking 7-Segment Displays communication state
Software update connector Using this connector, I/M software can be updated
Address setting switch Set I/M address
Connection CH 0 : I/M
↔
Centralized controller Connect to centralized controller R1/R2
Connection I/M
↔
Outdoor unit Connect to outdoor unit (Indoor unit) F1/F2
Power connector (DC 5V) DC5V power input connector (Connect to outdoor unit PCB)
Power setting switch
1) DC 12V, DC 5V together : All switches must be OFF
2) DV 12V only : All switches must be ON
Power connector (DC 12V) DC 12V power input connector (Connect to outdoor unit PCB)
Communication checking LED
LED will be flickering when I/M communicates with centralized controller
Connection CH 1 : I/M
↔
Centralized controller Connect to centralized controller R1/R2
Connection CH 2 : I/M
↔
Centralized controller Connect to centralized controller R1/R2
10
1
2
3
4
5
6
7
8
11
9
1
2
3
4
5
6
7
8
9
10
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