9
FORGE OUTDOOR COAL FURNACE • OWNER'S MANUAL
Idle Mode
Status
Purge Over Air Under Air Connected
Power
PURGE
RESET
IGNITION
ASSIST
When in Idle Mode, all of the Status LEDs are o. e display will still
alternate between the water temperature and the ue gas temperature. Idle
Mode occurs when the water temperature has reached the water temperature
setpoint.
Pulse Mode
Status
Purge Over Air Under Air Connected
Power
PURGE
RESET
IGNITION
ASSIST
LEDs WHITE
When the over and under air LEDs illuminate bright white, the outdoor
furnace is in Pulse Mode. Pulse Mode provides periodic bursts of air (pulses) to
keep the re maintained at times when there is no call for heat. is mode is
used during idle to prevent the re from dying out. Pulse Mode has adjustable
settings for both over and under air, in addition to delay and run times.