Field Connections For Single Systems; Field Connections For Lead Lag Systems - Bradford White Brute MagnaTech BMGV1600 Installation And Operation Instructions Manual

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8.5 Field Connections for
Single unit installations.
Power for Field Connections must be
made at
Terminal Board 1 at the front of the unit
(15 thru 45 of TB1). See Figure 18 and
Figure 19
For single unit installations, the
connections for System Sensor, Outdoor
Sensor, Call for Heat, and DHW are as
marked on TB1.
8.6 Field Connections for
Lead / Lag installations.
possible installation scenarios.
NO Outdoor Sensor is used.
3. Central Heat AND
15 BOILER PUMP H
16 BOILER PUMP N
17 SYSTEM PUMP H
18 SYSTEM PUMP N
19 DHW PUMP H
20 DHW PUMP N
Outdoor Sensor/
21 OUTDOOR/SYS
System Sensor
22 OUTDOOR/SYS
23 ANALOG (-)
Signal to Modulate
24 ANALOG (+)
25 TT
Call for Heat
26 TT
27 ALARM
28 ALARM
29 PUMP OUTPUT (+)
30 PUMP OUTPUT (-)
31 DHW SENSOR
DHW Sensor
32 DHW SENSOR
33 COM2 A
34 COM2 B
35 COM2 HC
36 MB2- A
Connections
Lead Lag
37 MB2- B
38 MB2- C
39 REMOTE RESET
40 REMOTE /TOOLS
41
42 TOD FEED
43 4-20MA (+)
43 0-10VDC/4-20MA
VFD Drive
44 0-10VDC
Figure 18. Field Connections (on TB1)