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OPERATION/DIAGNOSTIC
LIGHTS, RESETS AND SWITCHES
ADJ
HI-LIMIT
CIRCUIT
BREAKER
ALARM
RESET
SOUND
ALARM
POWER
SILENCE
AUTO
RESET TEST
MANUAL
LOW WATER CUT-OFF
ALARM
BURNER
FIG. 67 Burner Assembly
FIG. 66 Exterior Control Panel
The control panel has a lighted ON/OFF power switch and 11
indicating lights and switches to show operation, control sensed
malfunctions and diagnostics.
TABLE - AA
Diagnostic Lights and Switches
Indicator Function
Power Lighted ON/OFF Main Power Switch.
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Alarm Silence Rocker Switch to Silence an Optional Audible Alarm.
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Alarm Light Amber Indicating Light for an Alarm Condition.
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High Limit Light Red Indicating Light for Water Temperature Exceeding Maximum Setting of High Limit Control.
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High Limit Knob Adjustable Rotary Knob to Set Maximum Water Temperature.
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High Limit Reset Red Push Button to Reset High Limit when High Limit Setting is Exceeded.
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Circuit Breaker Reset Button for a 5 Amp breaker on the 24 VAC Control Circuit.
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Low Water Cut-Off
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Test Switch Black Momentary Rocker Switch interrupts the sensing circuit of the Low Water Cut-Off to prove
operation.
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Reset Switch Red Momentary Rocker Switch to Reset the Low Water Cut-Off after a test or Low Water Condition
when operating in the Manual Reset Mode.
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Command Display
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Run/Stop Switch “RUN” allows normal operation - “STOP” shuts down operation, but allows communication with a
network.
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Ignition Control
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Flame Failure Reset Red Push Button to reset the Hot Surface Ignition Control when a hard lockout condition from a Flame
Failure has occurred.