Bradford White Brute MagnaTech BMGV1600 Installation And Operation Instructions Manual page 67

A factory supplied Outdoor air temperature sensor is used
with the Outdoor Reset and Warm Weather Shutdown
features.
Wiring
For single boiler operation, the outdoor sensor will be
connected to TB1-21A and 22A.
For Lead Lag operation of multiple boilers, the outdoor
sensor will be connected to TB1-21A and 22A on the Lag
Boiler, and the system sensor (supplied with boiler) will
be connected to TB1-21A and 22A on the Lead boiler.
For Lead Lag operation of a single boiler, an Envirocom
outdoor sensor (sold seperately) will be installed on the
Solas ECOM port and the system sensor will be installed
on TBI-21A and 22A.
9.7.4 DHW - Domestic Hot Water
DHW temperature parameters for water heaters (MGV)
and for indirect water heaters that are used with boiler
(MGH) systems.
9.7.5 Warm Weather Shutdown
Connect the outdoor reset sensor as descibed in
Section 8.3
Warm Weather Shutdown feature and adjust the set point.
adjust the priority of the different demand types.
-Central Heat
-Domestic Hot Water
-Lead Lag
The control uses arrows as indicators to point to the loop
with higher priority.
From this menu the installer has the ability to adjust the
range of modulation for the CH, and DHW demands.
to the minimum and maximum modulation rates will
affect the overall ratio of the boiler. The installer level
password will allow changes to these parameters. Consult
the factory if an adjustment is needed to any of these
parameters.
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