ASH CONTROL PANEL AND ASH FRONT SIDE CONTROLS AND INDICATORS
Table 1. ASH Control Panel and ASH Front Side Controls and Indicators.
Fresh air damper assembly
Allows fresh air to enter circulating airflow system when open.
Indicates total number of hours burner has been operated.
(total time (TT))
Prevents inadvertent selection of AUTO MODE.
Places ASH in VENT, COOL DOWN, HEAT, or OFF mode.
Places ASH in COOL DOWN or REMOTE CONTROL mode.
Lights when power is connected and MODE SWITCH is set to any mode
other than OFF.
HIGH TEMP indicator
Lights when ASH discharge air temperature exceeds limit of temperature limit
FLAME OUT indicator
Lights when burner flameout occurs.
Indicates fuel system pressure.
Lights when carbon monoxide is detected in circulating airflow system.
FLAME RESET switch
Purges air from fuel system.
Emits audible alarm when carbon monoxide is detected in circulating airflow
Trips when overcurrent condition exists within ASH control circuitry. Must
be manually reset to up position.
POWER CIRCUIT BREAKER
Trips to protect main power circuits within ASH during overcurrent condition.
Must be manually reset by pressing button.
Tests or resets carbon monoxide detector alarms.