Westinghouse WBRE80 User Manual page 36

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used to turn a device off if the boiler goes into lockout mode.
The alarm contacts are rated 5 amps at 120 VAC.
To connect an alarm device, connect the power for the device
to the ALARM COM terminal. Connect the alarm device hot
wire to the ALARM NO terminal. Connect the neutral or return
of the alarm device to the neutral or return of the power for
the alarm device.
To connect a device that should be powered off during a
Figure 24 - Cascade Master and Follower Wiring
WHL-052 Rev. 4.28.16
boiler lockout condition, follow the same instructions as above
except use the ALARM NC terminal rather than the ALARM NC
terminal.
Note that in a cascade system the alarm output of the boiler
addressed as #1 will also be active if the master boiler has a
lockout condition. The alarm output of boilers addressed as 2-7
will only activate an alarm if a lockout condition occurs on that
specific boiler.