7777 Winn Road
Spring Grove, Illinois 60081
www.intermatic.com
IDIGITAL — 24-Hour Digital Time Switch
MODEL DT101
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SAFETY SECTION
WARNING
Risk of Fire or Electrical Shock
• Disconnect power at the circuit breaker(s) or disconnect switch(es) before installing or servicing.
• Installation and/or wiring must be in accordance with national and local electrical code requirements.
• This enclosure does not provide grounding between conduit connections. When metallic conduit is used, you must also install grounding type bushings and jumper wire.
• Use #14-#12 AWG wires, rated at least 75°C (167°F)-COPPER conductors ONLY.
• If the power disconnect point is out of sight, lock it in the OFF position and tag it to prevent unexpected application power.
• Make sure there is no wire insulation under the terminal plate on the time switch connector. Firmly tighten terminal screws.
• Do not remove insulator that is covering terminals.
• KEEP DOOR CLOSED AT ALL TIMES when not servicing.
NOTICE
• Do NOT touch circuit board components. Contact can create a static discharge, which can damage the microprocessor.
PRODUCT DESCRIPTION
The Intermatic DT101 Digital 24-Hour Time Switch automatically switches loads to a preset daily schedule with to-the-minute
accuracy. Use the DT101 as an ON/OFF timer in applications requiring 24-hour load control such as lighting, air conditioning
systems, pumps, etc. Each load output of the Time Switch can support up to 14 timed ON and 14 timed OFF events per day.
The program can be overridden by pushing the ON/OFF load override button(s). The DT101 Time Switch is designed to directly
switch tungsten or ballast loads up to its rating, and inductive or resistive loads up to 20 A at 120, 208, 240 or 277 VAC.
Specifications
Time Switch
• Input Voltage: 120–277 VAC, 60 Hz
• Power Consumption: 6.0 W Max.
• Contact Configuration: SPST
Switch Ratings
• 20 A Inductive/Resistive, 120/240 VAC, 60 Hz
• 20 A Magnetic Ballast, 120-277 VAC, 60 Hz
• 1 A Electronic Ballast, 120-277 VAC, 60 Hz
• 20 A Resistive, 28 VDC
• 5 A Tungsten: 120/240 VAC, 60 Hz
• 1 HP, 120 VAC, 60 Hz
• 2 HP, 240 VAC, 60 Hz
Set Points (Events)
• The load output of the Time Switch can support up to
14 timed ON and 14 timed OFF events per day.
Battery-Powered Clock Operation
• 3 year minimum (uses two AAA industrial-grade
alkaline nonrechargeable 1.5 V batteries, supplied)
Minimum ON or OFF time
• 1 minute
Maximum ON or OFF time
• 23 hours, 59 minutes
Shipping Weight
• 2.5 lb. (1.1 kg)
Enclosures
• TYPE 1 indoor metal enclosure
Knockouts
• Combination 1/2-3/4" size (one on back, one on each
side, two on bottom)
Wire Size
• #14-#12 AWG
http://waterheatertimer.org/Intermatic-ET-series-timers-and-manuals.html
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