Honeywell chronotherm t8621a User Manual

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68-0058—1

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Full seven-day program capability; different sched-
ules may be selected for every day.

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Can be programmed in hand (with batteries in-
stalled) or on wall to provide up to four temperature
settings per day.

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Large digital clock (liquid crystal display) indi-
cates continuous time, day, current period and
room temperature.

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Adaptive Intelligent Recovery™ brings room
temperature to programmed temperature at pro-
grammed time, maximizing comfort and energy
savings.

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Temperature control program maintains tempera-
ture within 1

°

 F of setpoint.

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Temporary program override available by using—
— WARMER and COOLER keys
— SKIP next period key
— CHANGE to last period key

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HOLD TEMP key provided for indefinite pro-
gram override (vacation/holiday).

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Installer self-test and time delay override save
installation time.

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SYSTEM light-emitting diode (LED) indicates
system is energized.

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Models available with automatic or manual heat/
cool changeover.

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Batteries included provide power to maintain
clock and memory during power failures.

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Switching subbase with wiring terminals included.

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Powered directly from control transformer, requir-
ing an extra (24V) wire to thermostat.

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Fan operation switch included on back of SUPER
TRADELINE models to select either indepen-
dent or direct thermostat control of fan in heating.

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Models available with separate sensor for remote
mounting.