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Electronic 7-Day

Time Switch

Installation and User Instructions

MODEL ET1700 Series With Battery

Carryover

Front View Rear View

Time Switch

• Input Voltage: 120/208/240/277 VAC, 60 Hz

• Power Consumption: 6.0 W Max.

• Contact Conguration: SPST (ET1705C), DPST (ET1725C). See

wiring diagrams on next page.

Switch Ratings—ET1705C, ET1725C (per pole)

• 30 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)—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—3 years minimum (uses 2 AAA

industrial grade alkaline batteries, supplied)

Minimum ON or OFF time—1 minute

Maximum ON or OFF time—6 days, 23 hours, 59 minutes

Shipping Weight—2.5 lb. (1.1 kg)

The Intermatic ET1700 Series Electronic 7-Day Time Switch

automatically switches loads to a preset weekly schedule with to-the-

minute accuracy.

The independent 7-day programming provides complete exibility for

applications where load switching differs each day of the week.

Use the ET1700 series as an ON/OFF timer in applications requiring

7-day 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 ET1700 Series Time Switch is designed to directly switch tungsten

or ballast loads up to its rating, and inductive or resistive loads up to

30A at 120, 208, 240, or 277 VAC.

Speciﬁcations

Description

WARNING Risk of Fire or Electric 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.

• For outdoor locations or wet locations (rain-tight), conduit hubs that comply with requirements of

the UL514B (standard for ﬁtting conduit and outlet boxes) are to be used.

• This enclosure does not provide grounding between conduit connections. When metallic conduit

is used, you must also install grounding type bushings and jumper wire.

• For plastic enclosures, bonding between conduit connections is not automatic and must be

provided as part of the installation.

• Use #18 - #10 AWG wires, rated at least 75°C - 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.

Enclosures—ET17x5C – TYPE 1 indoor metal enclosure

Knockouts—Combination 1/2-3/4 inch size, 1 on back and each side,

2 on bottom

Wire Size—AWG #18 through #10

Slide down

to remove

battery case

Snap out catch

Tilt top forward

Installation Instructions

3. The timer is shipped with DST (Daylight Saving

Time) enabled. To disable DST, insert a jumper

at location marked DST. See location in Rear B

View above and detail at the right.

4. ET1725C ONLY—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

contactors or bell ringing applications), and

make sure the jumper is positioned accordingly.

See location in Rear View above and detail B

at the right. (The unit is shipped with the loads

set for IND.)

2. Set voltage selector for desired input voltage.

The timer is shipped with voltage set for 277

VAC. To operate at 120, 208 or 240 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.

1. Remove the mechanism

from the case by

depressing the catch at

the top of the case and

pulling out, as shown.

Neutral

120VAC

Input

Hot

234

Timer Power

Load

Install jumper

only if timer input

and load voltage

are the same

ET1705 conﬁgured for SPST, 120 VAC load

Line 2

240VAC Input

Line 1

23456

Line 1

Line 2

Install jumper only if timer input

and load voltage are the same

Timer Power

Load

ET1725 conﬁgured for 240 VAC DPST load

with jumper set to SIM

L2/N

120/208/240/277

VAC Input

Line 1

2 3 4 5 6

Install jumper only if timer input

and load voltage are the same OFF

Timer Power

ET1725 conﬁgured for pulse SPST load

with jumper set to PUL

L2/N

120/208/240/277

VAC Input

Line 1

23456

Timer Power

Load

Line

ET1725 conﬁgured for 2 SPST loads

with jumper set to IND

L2/N

120/208/240/277

VAC Input

Line 1

23456

Timer Power

Load

Line

ET1725 conﬁgured for DPST loads

with jumper set to SIM

Wiring Diagrams

Programming Overview

By pressing the button, the Time Switch will cycle through the MODE

menus necessary for programming the current time, date, and timed

events.

The basic procedure is to use the button to move from one MODE

menu to the next (e.g., DATE, TIME, etc.), the or buttons for the + –

rst part of a setting (e.g., MONTH), the button to move to the ENTER

next part of the setting (e.g., YEAR), then to exit and move to MODE

the next menu. To skip a menu, press to move ahead.MODE

If you make a mistake, press the button repeatedly to MODE

cycle back around to the error, then make the correct entry.

NOTE: DATE and TIME must be set before you can access any

other programming menus.

Setting Date

1. Press the MODE button repeatedly until the words SET and

DATE appear in the upper area of the display.

2. Press the or buttons to enter the current Month.+ –

3. Press the ENTER button when the Month is correct to save the

setting. The screen advances to current Date.

4. Again press the + or – buttons to enter the current Date,

followed by the button.ENTER

5. Repeat to set the correct Year.

6. Press the MODE button to exit and advance to setting the time.

Knockouts

Mounting holes

9. Insert the wire ends under the proper terminal plates (see

wiring diagrams elsewhere on this page) and tighten the

screws rmly.

10. Connect ground wire to grounding terminal at bottom of enclosure.

11. Replace the plastic insulator on the retaining post.

12. Remove the battery case by sliding it down as shown by the

arrows, then install 2 AAA alkaline batteries. Make sure the

batteries are pointing in the direction shown.

13. Verify that the display is to make sure the batteries are OK.ON

If the display shows scrambled information, press the RESET

button to clear it up.

14. Apply power to the Time Switch.

IMPORTANT: ENTER Press and hold the button, then press the

RESET button. The screen will ash 12:00 AM and MON, and

timer status is Manual Mode.

NOTE: You must reset the time switch using this procedure

whenever you change the jumpers.

The Time Switch is now ready for programming.

5. Mount the enclosure in the desired location using the 3 mounting

holes provided.

Position at eye level if possible, providing space to the left of the

enclosure for the cover to swing open fully, as shown.

6. Replace the mechanism in the enclosure.

7. Lift the left side of the plastic insulator off the retaining post and

pivot it up and away to expose the terminal strip.

8. Strip the supply and load wires to 1/2”. Use #18 -

#10 AWG wires, rated at least 75°C - COPPER

conductors ONLY.

Setting Time

1. If necessary, press the button repeatedly until the MODE

words SET and CLOCK appear in the upper area of the

display.

2. Press the or buttons to enter the current time.+ –

NOTE: To go from AM to PM, keep pressing the or buttons + –

to cycle through the day. You can hold the or buttons + –

down for 3 seconds to make the time scroll quickly.

3. Press the button to exit and advance to setting Events.MODE

1. If necessary, press the button repeatedly until the MODE

words SET ON/OFF EVENTS and EVENT 01 appear on the

display.

2. If necessary, press the button to display ON @ or ENTER

OFF @ (depending on what you want to set).

3. Press the DAY button to display 12:00 am and all days of the

week.

4. Press the or buttons to enter the time you want to set.+ –

NOTE: To go from AM to PM, keep pressing the or buttons + –

to cycle through the day. You can hold the or buttons + –

down for 3 seconds to make the time scroll quickly.

5. If you want the Event to occur for a combination of days

rather than every day (e.g., weekends only, weekdays only, or

individual days), press the button again as necessary to DAY

cycle through the individual days or combination of days you

want.

To choose a combination not shown during cycling NOTE:

(e.g., Tuesday and Thursday), you must create an individual

event for each of the days you want.

6. ET1725C ONLY—For a multi-circuit device with loads set

independently, you can choose the load you want the event

to control. The default setting is for both loads, as you can

see on the display. Press the button under a load to ON/OFF

remove the load from the event.

7. When you have set the event correctly, you have two choices:

- Press the ENTER button to set the next ON/OFF event

(up to 28 events).

- Press the button to exit.MODE

Setting ON/OFF Events

Press the button repeatedly to select the desired operating MODE

mode on the display. There are 2 options:

• AUTO—where the Time Switch follows the events you have

programmed, turning the circuits ON and OFF at the time(s)

set.

NOTE: You can override programmed events and force the

Time Switch ON or OFF by pressing the button.ON/OFF

• MANUAL—where any events set are disabled and the Time

Switch controls all circuits through the button. ON/OFF

NOTE: You can review or edit any programmed events at any

time by pressing the button repeatedly to return to the MODE

appropriate menu, then following programming instruction

provided on this sheet.

Operating the Time Switch

Use this procedure to clear the settings programmed for an event.

1. If necessary, press the button repeatedly until the MODE

words SET ON/OFF EVENTS are shown on the display.

2. Press the ENTER button as necessary to cycle through

events that have been set until you see the event you want to

delete.

3. Press the + or buttons AT THE SAME TIME to display --:-- –

--.

4. Press the button to exit.MODE

OPTIONAL – Deleting (Clearing) an Event

• Batteries can be easily replaced without removing the Time

Switch mechanism or eld wiring.

• Press in and downward (in the direction of the arrows) on the

battery cover.

• It is recommended to replace the batteries every 2-3 years

with 2 AAA industrial grade alkaline cells as part of normal

maintenance on the Time Switch.

• Be sure to observe battery polarity markings when installing

batteries.

• No other battery maintenance is required.

Battery Maintenance

158--01995

INTERMATIC INCORPORATED, SPRING GROVE, ILLINOIS 60081-9698

LIMITED ONE-YEAR WARRANTY

If within the warranty period speciﬁed, this product fails due to a defect in material or workmanship, Intermatic Incorporated will repair or replace it, at its sole option, free of charge.

This warranty is extended to the original household purchaser only and is not transferable. This warranty does not apply to: (a) damage to units caused by accident, dropping or abuse

in handling, acts of God or any negligent use; (b) units which have been subject to unauthorized repair, opened, taken apart or otherwise modiﬁed; (c) units not used in accordance

with instructions; (d) damages exceeding the cost of the product; (e) sealed lamps and/or lamp bulbs, LED’s and batteries; (f) the ﬁnish on any portion of the product, such as surface

and/or weathering, as this is considered normal wear and tear; (g) transit damage, initial installation costs, removal costs, or reinstallation costs.

INTERMATIC INCORPORATED WILL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF

INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU. THIS WARRANTY IS IN LIEU OF ALL OTHER EXPRESS OR

IMPLIED WARRANTIES. ALL IMPLIED WARRANTIES, INCLUDING THE WARRANTY OF MERCHANTABILITY AND THE WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE, ARE

HEREBY MODIFIED TO EXIST ONLY AS CONTAINED IN THIS LIMITED WARRANTY, AND SHALL BE OF THE SAME DURATION AS THE WARRANTY PERIOD STATED ABOVE. SOME

STATES DO NOT ALLOW LIMITATIONS ON THE DURATION OF AN IMPLIED WARRANTY, SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU.

This warranty service is available by either (a) returning the product to the dealer from whom the unit was purchased or (b) completing a warranty claim online at www.intermatic.com. This warranty is

made by: Intermatic Incorporated, Customer Service 7777 Winn Rd., Spring Grove, Illinois 60081-9698. For warranty service go to: http://www.Intermatic.com or call 815-675-7000.