Bcm: Backup Controller Function; Backup Controller Setpoint - Watts AERCO EXT Installation, Operation & Maintenance Manual

Ufly Controller and BCM for Modulex EXT
CHAPTER 6: BOILER COMMUNICATIONS MODULE (BCM)
Figure 6-4: Alarm Signal location
Figure 6-5: BCM Fault Relay & Reset Switch Wiring

6.3 BCM: Backup Controller Function

6.3.1 Backup Controller Setpoint

The BCM is a backup controller and will assume control of the Modulex Boiler if the Ufly Controller
fails. In the event of a Ufly Controller failure, the BCM will operate the Modulex Boiler with a
OMM-0159_A_A • 6/28/2022 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
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