Lennox 80MGF Series Manual page 34

80MGF WITH EGC−1 COOLING SEQUENCE OF OPERATION
LED: Slow flash rate.
REMAINS UNCHANGED THROUGHOUT COOLING CYCLE.
THERMOSTAT CALLS FOR COOLING.
COMPRESSOR CONTACTOR AND SYSTEM FAN
ENERGIZED AT COOLING SPEED AFTER
1 SECOND DELAY. ACC TERMINAL ENERGIZED.
THERMOSTAT OPENS.
COMPRESSOR OFF.
SYSTEM FAN AND ACC TERMINAL OFF AFTER
0 SECONDS.
80MGF WITH EGC−1 MANUAL CONTINUOUS FAN SEQUENCE OF OPERATION
LED: Slow flash rate.
REMAINS UNCHANGED THROUGHOUT SEQUENCE.
CONTINUOUS FAN SELECTION MADE AT THERMOSTAT.
CONTROL ENERGIZES SYSTEM FAN AT LOW SPEED.
ACC TERMINAL ENERGIZED.
HTG ACC. TERM. ENERGIZED
THERMOSTAT CALLS FOR HEAT.
WITH COMB. AIR BLOWER.
NO YES
SYSTEM FAN SWITCHES TO HEAT SPEED AFTER
THERMOSTAT CALLS FOR COOLING.
SELECTED DELAY. ACC TERM. REMAINS ENERGIZED.
YES NO
SYSTEM FAN SWITCHED TO COOLING
THERMOSTAT OPENS.
SPEED. ACC TERMINAL REMAINS ENERGIZED.
SYSTEM FAN SWITCHED OFF AFTER DELAY.
THERMOSTAT OPENS.
ACC TERMINAL DE−ENERGIZED.
SYSTEM FAN SWITCHES TO CONTINUOUS SPEED
AND ENERGIZES ACC TERMINAL. BOTH REMAIN ON
UNTIL CONTINUOUS FAN IS SWITCHED OFF AT THERMOSTAT.
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