Central Boiler Fire Star - Outdoor Furnace Operation: Medium and High Demand; Demand Mode (Medium) Operation; Demand Mode (High) Operation

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FIRESTAR COMBUSTION CONTROLLER - VERSION 6.7 • OPERATION MANUAL
Demand Mode (High)
Status
Fan Primary Secondary Connected
Power
IGNITION
AIR
LED REDLED RED
When the combustion temperature reaches 750˚F, both the primary and the
secondary air actuators will be fully open and their status LEDs will be red.
Idle Transition Mode
Status
Fan Primary Secondary Connected
Power
IGNITION
AIR
As the water temperature setpoint is reached in Demand Mode, the primary
air actuator will close to stop combustion and the Primary status LED will
turn o. e combustion fan will stay on for a moment with the secondary air
actuator open, and then the fan will shut o. e secondary air actuator will
close a short time later. is transition mode allows the combustion process to
ramp down and burn o the gasication products before the furnace goes into
idle.