Page 30
Troubleshooting
SURELIGHT CONTROL
CONTINUOUS FAN SEQUENCE OF OPERATION
LED: SLOW FLASH RATE REMAINS
UNCHANGED THROUGHOUT SEQUENCE.
MANUAL FAN SELECTION MADE AT THERMOSTAT.
CONTROL (G) ENERGIZES INDOOR BLOWER AT
ACB LOW SPEED. ACC. TERM. IS ENERGIZED.
THERMOSTAT CALLS FOR HEAT (W).
THERMOSTAT CALLS FOR COOLING.
THERMOSTAT OPENS. COMBUSTION AIR INDUCER
AND HTG ACC. TERMINAL ARE DE-ENERGIZED.
INDOOR BLOWER SWITCHES TO ACB COOL SPEED.
THERMOSTAT OPENS.
INDOOR BLOWER SWITCHES TO ACB LOW
SPEED. ACC. TERM. REMAINS ENERGIZED.
NO
YES
YES
NO
HTG ACC. TERM. ENERGIZES
WITH COMB. AIR INDUCER.
INDOOR BLOWER SWITCHES TO ACB HEAT
SPEED AFTER NORMAL DELAY.
INDOOR BLOWER SELECTED TIME OFF DELAY BEGINS.
AFTER DELAY ACB HEAT SPEED DE-ENERGIZED.
(blower remains energized during continuous fan mode).
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