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Each Boiler Monitor Module contains
• The boiler on-off power switch.
• The boiler manual override switch, which allows the boiler to operate independently
in the event of asystem control failure.
• Standard indicator lights:
"Power On" - green, indicates the boiler is powered.
"Manual Override" - red, indicates boiler is in manual override mode.
"Call for Heat" - amber, indicates there is a call for heat.
"Pump" - green, indicates pump circuit is energized.
"High Limit" - red, indicates boiler is off on high limit.
"Aqua Stat" or "Thermostat" - red, indicates boiler is off on operating control (may not
appear on all models).
"Flow" - red, indicates boiler fault - no flow.
"Ignition" - red, indicates ignition failure.
"Pilot" - yellow or amber, indicates pilot is lit.
"Safety Fault" - red, indicates fault in safety valve or safety circuit.
"Main Gas" - green, indicates modulating valve is energized.
• Boiler identification dip switch.
B6000/A Illustrated