6
FORGE OUTDOOR COAL FURNACE • OWNER'S MANUAL
Once Stage 1 of the purge cycle is complete, these three LEDs will turn green.
When the purge timer reaches the set point (default is 5 minutes), or when the
rebox door is opened, Purge Mode ends and the LEDs turn o.
Status
Purge Over Air Under Air Connected
Power
PURGE
RESET
IGNITION
ASSIST
LEDs GREEN
NOTE: It is extremely important that Stage 1 of the purge cycle be allowed to run until
completed before attempting to open the rebox.
Standard Run Mode
Status
Purge Over Air Under Air Connected
Power
PURGE
RESET
IGNITION
ASSIST
LEDs RED
When the over and/or under air LEDs illuminate red, the outdoor furnace is
operating in Standard Run Mode. is is typically after the Reset Cycle has run
through its programmed time. Once the Reset Cycle has been ne-tuned to
your particular type of coal, the outdoor furnace will be in Standard Run Mode
after all the volatile gases have been burned o.
If the actuator gap is set to zero for the Over Air (such as when burning
anthracite), then the over air LED will not be illuminated.
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