Intermatic ET1125C Manual

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Side 1/3

Slide down

to remove

battery case

Snap out catch

Tilt top forward

Electronic 24-Hour

Time Switch

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

• Power Consumption: 6.0 W Max.

• Contact Conguration: SPST (ET1105C), DPST (ET1125C). See

wiring diagrams on next page.

Switch Ratings—ET1105C, ET1125C (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 sup-

port 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—23 hours, 59 minutes

Shipping Weight—2.5 lb. (1.1 kg)

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 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 ET1100 Series Time Switch is designed to directly switch tungsten

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

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

Speciﬁcations

With Battery

Carryover

Description

Installation Instructions

Front View

Rear View

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.

1. Remove the mechanism

from the case by

depressing the catch at

the top of the case and

pulling out, as shown.

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. ET1125C 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.)

Enclosures—ET11x5C – 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

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 in A

Rear View above and detail at the right.

Knockouts

Mounting holes

Neutral

120 VAC

Input

Hot

2 3 4

Timer Power

Load

Only install jumper

if timer input

and load voltage

are the same

ET1105 conﬁgured for SPST, 120 VAC load

Line 2

240VAC Input

Line 1

2 3 4 5 6

Line 1

Line 2

Install jumper only if timer input

and load voltage are the same

Timer Power

Load

ET1125 conﬁgured for 240VAC 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

ET1125 conﬁgured for pulse SPST load

with jumper set to PUL

L2/N

120/208/240/277

VAC Input

Line 1

2 3 4 5 6

Timer Power

Load

Line

ET1125 conﬁgured for 2 SPST loads

with jumper set to IND

L2/N

120/208/240/277

VAC Input

Line 1

2 3 4 5 6

Timer Power

Load

Line

ET1125 conﬁgured for DPST loads

with jumper set to SIM

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.

Wiring Diagrams

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 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.

Produkt Specifikationer

Mærke:	Intermatic
Kategori:	Ikke kategoriseret
Model:	ET1125C

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