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® U.S. Registered Trademark
Copyright © 1997 Honeywell Inc.   •   All Rights Reserved

SPECIFICATION DATA

ST7009A,B,C,D

Electronic Programmable Timer

24-HOUR OR 7-DAY TIME SWITCHES

APPLICATION

The ST7009 family of one and two-switch Programmable Timers are
compact time controls providing 24-hour or 7-day microprocessor-
based switching. Heavy duty 16A spdt relay contacts can switch low-
or line-voltage loads. Up to 21 on and 21 off functions are available
per day.

These timers are applicable for time-of-day control of pumps, fans,
heaters, HVAC control circuits, lighting and many other types of
commercial and industrial equipment.

ST7009A,C

ST7009B,D

68-3003

FEATURES

Universal 24-hour or 7-day programming accurate to the
second.

UL and CUL recognized components.

Multiple  on-off daily programs with unlimited flexibility.

Program simplicity with a minimal number of keys and
program steps.

Holiday programming.

Built-in program backup.

Daylight Savings Time changeover in the spring and fall.

Screw wiring terminals.

All models feature large keys and a large LCD display for easy circular
programming of schedules. The ST7009 allows for selection of any
combination of days and additional programming events per day.

Built-in program backup provides retention of memory and time of
day during a power outage. The ST7009 features an automatic
internal recharging battery backup program for up to a two-week
period. The ST7009 also offers a holiday programming schedule of
one or more days that can be programmed up to a week in advance.

Summary of Contents for ST7009A

Page 1: ...Universal 24 hour or 7 day programming accurate to the second UL and CUL recognized components Multiple on off daily programs with unlimited flexibility Program simplicity with a minimal number of keys and program steps Holiday programming Built in program backup Daylight Savings Time changeover in the spring and fall Screw wiring terminals All models feature large keys and a large LCD display for...

Page 2: ...ST7009A C Surface or DIN Rail ST7009B D Panel or Surface Switching Capacity 16A resistive at 277 Vac 1000W tungsten at 240 Vac 1 2 hp at 120 Vac 1 hp at 240 Vac Shortest Switching Time 1 minute Accuracy 4 minutes per yr Ambient Temperature 20 F 28 C to 140 F 60 C Ambient Humidity 0 to 95 RH non condensing LCD Time Display Selectable AM PM or 24 hour Manual 3 way Override Temporary or permanent on ...

Page 3: ...y once A 4 is displayed under Th Enter the date for Summer Daylight Savings Time changeover for the current year by entering the date with the m key and the month with the h key If in military time set the date with the h key and the month with the m key Example April 7 is displayed as 04 07 if in AM PM time or 07 04 in military time G Press the 1h key once A 5 is displayed under Fr Enter the date...

Page 4: ... the Sel key is held down the numbers scroll up rapidly to 99 and then start over with 01 D Press the key to store the program The holiday symbol is displayed E To review or change the Holiday Program press the key To cancel the Holiday Program press the key a second time On the day the Holiday Program begins the Eighth Day Program is implemented at 12 00 AM Midnight taking priority over the regul...

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