Pump Connections And Operation - Bradford White Brute MagnaTech BMGV1600 Installation And Operation Instructions Manual

Page 32

8.3 Pump Connections and Operation

The controller in the MagnaTech energizes the
appropriate pump contacts when it receives a call for
The Boiler, System, and DHW pump terminals are
found on the Main control board TB1-15A through
20A. They are fed 120 Volts internally from the
main power feed. The current rating of the contacts
Size
Voltage 120
FLA 6.2
MCA 7.8
MOP 20
Size 2500/3000
Voltage
FLA 9.5
MCA 12
MOP 20
Table 18. Electrical Data
Single Phase
120 240 208
L1 Blk Blk Blk
L2 Wht Red Red
Table 19.
VIEW from VIEW from
the FRONT the FRONT
Figure 16. The Control Panel hinges forward
1600
240/220 120
3.4 3.6 18.6
4.2 4.5 23.3
15 15
4.4 3
6 4
15 15
Three Phase
600 480 208
L1 P BR Blk
L2 V O Red
L3 T Y BL
is 7.4 amps, and an appropriately sized contactor
technician to ensure proper pump operation.
Once the system has been installed, the "Pump
adjust Pump control, Overrun time and Demand
control for the various pumps in the system.
240/220
10.1 12.5
12.7 15.6
30 25 25
3500/4000
480 600
9.9 3.6 4.5
12 5 6
20 15 15
The supply voltage to the unit must not be
disengaged, except for service or isolation, or
unless otherwise instructed by procedures outlined
in this manual. To signal a call for heat, use the
correct terminals as instructed in Section 8.
When running the Power and Field Connection
wirings between the units (Lead Lag, System Sensor,
Outdoor Sensor, Building Automation, Etc), ALWAYS
Exit and Enter the units through the lower back
panels so that during future servicing, the wires are
not in the way and do not have to be disconnected
in order to remove the top and side panels.
Lors de l'exécution du domaine d'alimentation et les
Lag, Capteur, système capteur extérieur, domotique,
etc), TOUJOURS quitter et entrer les unités à travers
la partie inférieure arrière de sorte qu'au cours de
2000
480
7.5 3.5
9.4 4.4
15 15
Full Load Amperage
Minimum Circuit Ampacity
Max Over-current Protection
Caution
Notice
Attention
600
4.4
5.5
15