Product Features
Boiler Control Instruction & Operation Manual, Rev 1
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Boiler Sequence
Boiler
“Status”
Shown on Display:
Temp >Setpoint
CH Enabled & Termp < Setpoint (lead boiler demand active)
ILK OFF
LCI OFF
Warm Weather
Shutdown
Frost Protection
On
CH Enabled
DHW Enabled
Blower Output
Alarm Relay
System Pump
DHW Pump
Isolation Valve
Lea d B oiler
Onl y
Boiler Pump
Notes
System Pump:
Runs when boiler room has heat demand enabled. Is shut off when boiler is in Warm Weather Shutdown (WWSD).
DHW Pump:
Runs when there is a domestic demand.
Isolation Valve:
Opens boiler is a lead boiler and when the boiler has burner demand. Closes when the boiler is locked out or in WWWSD.
Boiler Pump:
Runs when boiler has burner demand. Stops when the boiler is locked out or in WWSD.
