AERCO Boiler Valve Controller (BVC) - Manual (Page 14)

Boiler Valve Controller (BVC) GF-126
User Manual OMM-0051_0D
Page 14 of 38 VD2: 01/20/13 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: 800-526-0288 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 • Phone: 800-526-0288
NOTE
The I/O Terminal Strips for the KC and Benchmark Boiler series are
identical.
4.4.3
22B
Connecting the Required Electrical Components (4 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 8. Tables summarizing the connection terminals on the BVC follow.
Table 1 - BVC Connection Terminals from Boiler I/O Box AUX Relay (4 Boiler System,
Models 64064, 64095, 64097)
4 Boiler System
Terminal Block
Connections
Boiler I/O Box
NO Terminal
Boiler I/O Box
COM Terminal
Boiler #1 Relay 1 13
Boiler #2 Relay 2 14
Boiler #3 Relay 3 15
Boiler #4 Relay 4 16
3. Next, refer to Figure 8 and connect the CLOSE/OPEN/COMMON terminals in each MOV
to the appropriate terminals in the BVC. Tables summarizing the connection terminals on
the BVC follows:
Table 2 - Connection Terminals on the BVC from MOV 4 Boiler System, Models 64064,
6409, 64097)
4 Boiler System BVC
Terminal Connections
MOV
Close
Terminal
MOV
Open
Terminal
MOV
Common
Terminal
MOV
Hot
Terminal
MOV #1 (V-1) 17 5 9 21
MOV #2 (V-2) 18 6 10 22
MOV #3 (V-3) 19 7 11 23
MOV #4 (V-4) 20 8 12 24
4. Finally, refer to Figure 8 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.