Continuous Fan / Accessories Sequence of Operation
CONTINUOUS FAN SEQUENCE OF OPERATION
LED: SLOW FLASH RATE REMAINS
UNCHANGED THROUGHOUT SEQUENCE.
MANUAL FAN SELECTION MADE AT THERMOSTAT.
CONTROL (G) ENERGIZES SYSTEM FAN AT FAN
SPEED. EAC TERMINAL IS ENERGIZED.
THERMOSTAT CALLS FOR HEAT (W).
THERMOSTAT CALLS FOR COOLING.
THERMOSTAT OPENS.
SYSTEM FAN SWITCHED TO COOL SPEED.
EAC TERM. REMAINS ON.
THERMOSTAT OPENS.
MANUAL FAN SELECTION MADE AT THERMOSTAT.
CONTROL (G) ENERGIZES SYSTEM FAN AT FAN
SPEED. EAC TERM. ENERGIZED.
NO
YES
YES
NO
SYSTEM FAN SWITCHES TO HEAT SPEAD AFTER 30
SECOND DELAY. EAC AND HUM TERMINAL REMAIN ON.
SYSTEM FAN CONTINUES FAN SPEED WITHOUT
INTERRUPTION. EAC TERMINAL REMAIN ON.
HUM TERMINAL IS ENERGIZED WITH COMBUSTION
AIR BLOWER.
HUM. TERMINAL OFF AFTER POST PURGE
BY COMBUSTION AIR BLOWER. SYTEM FAN
SWITCHES TO FAN SPEED AFTER BLOWER
OFF DELAY. EAC CONTINUES WITHOUT
INTERRUPTION.
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