GF-126
Boiler Valve Controller (BVC)
OMM-0051_0D
User Manual
VD2: 01/20/13
Page 15 of 38
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, New York 10913
•
Phone: 800-526-0288
4.4.4
23B
Connecting the Required Electrical Components (12 Boiler Version)
1. Refer to Figure 6 illustrating the Boiler I/O Box and locate the Auxiliary (AUX) Relay
terminals on the lower right terminal strip.
2. Connect the NO (Normally Opened) and COM (Common) terminals of the AUX Relay (on
the Boiler I/O Box) to the appropriate terminals of the Boiler Valve Controller as shown in
Figures 6 and 9.
Tables summarizing the connection terminals on the BVC follow.
Table 3 - BVC Connection Terminals from Boiler I/O Box AUX Relay (12 Boiler System,
Models 64065, 64096, 64098)
12 Boiler System Terminal Block
Connections
Boiler I/O Box
NO Terminal
Boiler I/O Box COM
Terminal
Boiler #1
1
37
Boiler #2
2
38
Boiler #3
3
39
Boiler #4
4
40
Boiler #5
5
41
Boiler #6
6
42
Boiler #7
7
43
Boiler #8
8
44
Boiler #9
9
45
Boiler #10
10
46
Boiler #11
11
47
Boiler #12
12
48
3. Next, refer to Figure 9 and connect the MOV CLOSE/OPEN COMMON/HOT terminals in each
MOV to the appropriate terminals in the BVC. Tables summarizing the connection terminals on
the BVC follow.
Table 4 - Connection Terminals on the BVC from MOV (12 Boiler System, Models 64065,
64096, 64098)
12 Boiler System BVC
Terminal Connections
MOV Close
Terminal
MOV Open
Terminal
MOV Common
Terminal
MOV Hot
Terminal
MOV #1 (V-1)
49
13
25
61
MOV #2 (V-2)
50
14
26
62
MOV #3 (V-3)
51
15
27
63
MOV #4 (V-4)
52
16
28
64
MOV #5 (V-5)
53
17
29
65
MOV #6 (V-6)
54
18
30
66
MOV #7 (V-7)
55
19
31
67
MOV #8 (V-8)
56
20
32
68
MOV #9 (V-9)
57
21
33
69
MOV #10 (V-10)
58
22
34
70
MOV #11 (V-11)
59
23
35
71
MOV #12 (V-12)
60
24
36
72
4. Finally, refer to Figure 9 and connect the Delayed Interlock terminals (DELAYED INTL’K IN) in
the Boiler I/O Box (Figure 6) to the Open End Switch terminals on the corresponding MOV. See
the photo illustration of the Boiler I/O Box circuit board in Figure 7. The Delayed Interlock
connections are found in the upper right hand corner of the board.
