Intermatic ET1100 Series User Manual

Electronic 24-Hour
Time Switch
Time Switch
Input Voltage: 120/208/240/277 VAC, 50/60 Hz•
Power Consumption: 6.0 watts max.•
ContactConguration:SPST(ET1105C),DPST(ET1125C),and•
SPDT(ET1115C).Seewiringdiagramsonnextpage.
Switch Ratings—ET1105C, ET1125C (per pole)
30AInductive/Resistive:24/120/208/240/277VAC,60Hz•
20A Ballast: 120-277 VAC, 60 Hz•
20AResistive:28VDC•
5ATungsten:120/240VAC,60Hz•
1 HP: 120 VAC, 60 Hz•
2 HP: 240 VAC, 60 Hz•
Switch Ratings—ET1115C (NO/NC) Normally Open/Normally Closed Contact
20A/10AInductive/Resistive:120/208/240/277VAC,60Hz•
20A/10AResistive:28VDC•
6A/3A Ballast: 120-277 VAC, 60 Hz•
5A/3A:120/240VACTungsten•
1 HP / ¼ HP: 120 VAC, 60 Hz•
2 HP / ½ HP: 240 VAC, 60 Hz•
Set Points (Events)—EachloadoutputoftheTimeSwitchcansupport
upto14timedONand14timedOFFeventsperday.
Battery-Powered Clock Operation—2yearsminimum(uses2AAA
industrialgradealkaline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—Threeenclosureoptionsareavailable.
ET11x5C–NEMA1indoormetalenclosure•
ET11x5CR–NEMA3Rindoor/outdoorlockablemetalenclosure•
ET11x5CPD82–NEMA3Rindoor/outdoorlockableimpactresis-•
tantpolycarbonateenclosurewithclearcover
Knockouts—Combination1/2-3/4inchsize,1onbackandeachside,
2onbottom
Wire Size—AWG#10through#18
Installation and User Instructions
MODEL ET1100 Series
TheIntermaticET1100SeriesElectronic24-HourTimeSwitch
automaticallyswitchesloadstoapresetdailyschedulewithto-the-
minuteaccuracy.
UsetheET1100seriesasanON/OFFtimerinapplicationsrequir-
ing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ET1100SeriesTimeSwitchisdesignedtodirectlyswitchtung-
stenorballastloadsuptoitsrating,andinductiveorresistiveloads
up to 30A at 120, 208, 240, or 277 VAC.
Specifications
With Battery
Carryover
Description
WARNING: Disconnect the
power to the Time Switch
and the loads before instal-
lation.
Removethemecha-1.
nismfromthecaseby
depressingthecatchat
thetopofthecaseand
pullingout,asshown.
CAUTION: Do not
touch circuit board
components since
static discharge could damage the microprocessor.
Setvoltageselectorfordesiredinputvoltage.2.
Thetimerisshippedwithvoltagesetfor120
VAC.Tooperateat208,240or277VAC,move
theselectorswitchtothedesiredsettingas
markedonthecircuitboard.SeelocationA in
Rear Viewaboveanddetailattheright.
ThetimerisshippedwithDST(DaylightSav-3.
ingTime)enabled.TodisableDST,insertajumperatlocation
markedDST.SeelocationB in Rear Viewabove
anddetailattheright.
ET1125C ONLY4. —Decidewhetheryouwant
tocontrolmultipleloadssimultaneously(SIM),
independently(IND),orwitha2-secondpulse
(PUL)(e.g.,forusewithmechanicallyheldcon-
tactorsorbellringingapplications),andmakesurethejumperis
positionedaccordingly.SeelocationB in Rear Viewaboveand
detailattheright.(TheunitisshippedwiththeloadssetforIND.)
Installation Instructions
Slide down
to remove
battery case
Snap out catch
Tilt top forward
Front View
Rear View
B
A
Electrical shock hazard. To avoid fire, shock, or death, disconnect all •
power before installing or servicing time switch or connected loads.
Follow local electrical and safety codes, National Electric Code (NEC) •
and Occupational Safety and Health Act Codes (OSHA).
If the power disconnect point is out of sight, lock it in the OFF position •
and tag it to prevent unexpected application of power.
This time switch must be grounded.•
Do not exceed maximum current carrying capacity.•
Always replace the plastic insulator covering the terminal before •
powering ON.
WARNING–Risk of Fire or Electric Shock

Intermatic ET1100 Series Specifications

General

Display	LCD
Brand	Intermatic
Minimum ON/OFF Time	1 Minute
Color	White
Type	Electronic Timer
Amperage	15A
Mounting	Wall
Enclosure	Plastic
Operating Temperature	32°F to 122°F (0°C to 50°C)
Switch Type	Timer Switch
Material	Plastic
Warranty	1 Year Limited Warranty

Summary

Product Description and Specifications

Product Description

Overview of the Intermatic ET1100 Series Electronic 24-Hour Time Switch.

Specifications

Details on input voltage, power consumption, contact configuration, and switch ratings.

Enclosure Options

Information on available enclosure types for the time switch.

Installation and Operation

General Safety Warnings

Critical safety precautions regarding fire and electric shock hazards.

Installation Steps Overview

Initial steps for installation including mechanism removal and voltage selection.

Mounting and Wiring

Instructions for mounting the enclosure and connecting wires.

Battery Installation and Power-Up

Procedure for installing batteries and applying initial power.

Programming Overview

Guide to navigating menus for setting time, date, and events.

Setting Date and Time

Detailed steps for setting the current date and time on the switch.

Setting Fixed Timed Events

Instructions for programming specific ON/OFF events for loads.

Operating the Time Switch Modes

Explanation of AUTO and MANUAL operating modes.

Battery Maintenance

Guidelines for replacing and maintaining the device's batteries.

Warranty Information

Limited One-Year Warranty

Details of the warranty coverage, limitations, and claims process.