Central Boiler Fire Star - Outdoor Furnace Operation: Idle Pulse and Low Demand; Demand Mode (Low) Operation

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FIRESTAR COMBUSTION CONTROLLER - VERSION 6.7 • OPERATION MANUAL
Idle Pulse
While in idle, the combustion fan will start and the primary air actuator will
open for a short time every 30 minutes to maintain the coal bed. Air will
continue to ow until the temperature in the Reaction Chamber rises above
200˚F.
Demand Mode (Low)
Status
Fan Primary Secondary Connected
Power
IGNITION
AIR
LED WHITE (while actuator opening) -- RED (when actuator fully opened)
When the water temperature drops below the Water Temperature Setpoint
minus the Water Temperature Dierential, the controller will enter Demand
Mode. In Demand Mode, the primary air actuator will slowly open to the
correct setting for the furnace model. While the actuator is opening, the
Primary status LED will be white. Once the actuator is fully open, the status
LED will be red.
Demand Mode (Medium)
Status
Fan Primary Secondary Connected
Power
IGNITION
AIR
LED WHITE
In Demand Mode with the primary air actuator open, when the combustion
temperature reaches 550˚F, the secondary air actuator will start to open and the
Secondary status LED will be white. e secondary air actuator will continue
to open more as the combustion temperature rises.