Manual Intermatic EH40 (page 1 of 8) (English, French, Spanish)

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ELECTRONIC 7-DAY WATER -

HEATER TIME SWITCHES

MODELS EH10 AND EH40

WITH BATTERY CARRYOVER

MAN

AUTO

PROG

RUN

TIME

SET

OFF

EVENT

DAY

HOUR

MIN

LOAD

RESET

TTERY

OWNER/INSTALLER INSTRUCTION MANUAL

ATTENTION: READ CAREFULLY BEFORE ATTEMPTING

TO INSTALL YOUR INTERMATIC TIME SWITCH. FAIL-

URE TO COMPLY WITH INSTRUCTIONS COULD

RESULT IN PERSONAL INJURY AND/OR PROPERTY

DAMAGE! RETAIN FOR FUTURE REFERENCE.

MANUAL (MAN) - AUTOMATIC (AUTO)

(See Fig. 1)

•

MANUAL: Bypasses your program completely; timer

will not resume program until you return switch to

AUTO mode position.

• AUTOMATIC: For automatically switching at ON/OFF

times; accurate to-the-minute.

PROGRAM (PROG) - RUN - TIME SET

• PROGRAM: Use this position when programming.

• RUN: Use this position for normal operation. Be sure to

return to RUN after setting time and program.

• TIME SET: Use this position to set day and time of day.

ON/OFF - EVENT (the large push button) - Serves a dual

purpose

• EVENT:

Used for programming (active only when switch

is set at PROG)

• ON/OFF: Override (active only when switch is set at

RUN); turns load ON if already off or OFF if already on.

Timer automatically resumes program cycle only when

slide switch is in AUTO. Note that this button is also

accessible without opening the enclosure.

SPECIFICATIONS:

Clock Voltage - Model EH40 - 240V. A.C., 50/60 Hz

EH10 - 120V. A.C., 50/60 Hz

Power Consumption - EH10 - 1.0 W. Max. EH40 - 3.0

W. Max..

Contact Configuration - EH10 (SPST) Single pole-single

throw model-EH40(DPST) Double pole-single throw model

Switch Rating (Per Pole) -

• 30 amp inductive/resistive - 120-240V. A.C., 60 Hz

• 1 H.P. 120V. A.C., 60 Hz.

• 1-1/2 H.P. 240V. A.C., 60 Hz.

• 5 amp tungsten, 120-240V. A.C., 60 Hz.

Set Points (Events) - 12 total (6 ON/6 OFF) - Can be

assigned in any combination to weekdays, weekend days,

daily or weekly operation providing up to a maximum of 84

weekly operations (42 ON/42 OFF).

Battery Powered Clock Operation - 3 years minimum,

AA industrial grade alkaline supplied with time switch.

Minimum ON/OFF Time - 1 Minute

Maximum ON/OFF Time - 6 days 23 hours 59 minutes

Shipping Weight - 2.37 Lbs. (1.05 Kg)

Case - Drawn steel, 7-3/4” (19.7 cm) high, 5” (12.7cm)

wide, 3” (7.6 cm) deep; gray finish with lockable spring

hasp, clear see-through viewing window and external over-

ride.

Knockouts - Combination of 1/2 - 3/4” (one on back and

each side, two on bottom)

Wire Size - AWG #10 through #18

GENERAL SAFETY INFORMATION:

WARNING: DISCONNECT THE POWER TO THE TIME

SWITCH AND THE LOADS BEFORE INSTALLING THIS

TIME SWITCH.

1. Mount the time switch in the desired location using the

three mounting holes which are provided. Mount the

time switch at eye level, if possible, providing

sufficient room to the left of the enclosure for the

cover to swing open fully. (See Fig. #2). The time switch

mechanism does not need to be removed from the

enclosure to mount the time switch since the top mount-

ing hole is a slotted type mounting hole. Secure a screw

or other fastener at eye level. The head of the screw

of fastener should be slightly larger than the narrow

portion of the slotted hole to ensure that the time switch

is securely held in place. The remaining two mounting

holes provide a means to secure the time switch.

2. If you do remove the mechanism, refer to Figure #3 and

remove the mechanism from the case by depressing

the catch at the top of the case and pulling out.

CAUTION: DO NOT TOUCH THE CIRCUIT

BOARD COMPONENTS SINCE STATIC DISCHARGE

COULD DAMAGE THE MICROPROCESSOR.

3. Replace the mechanism in the case if it has been

removed, making sure to engage ribs at sides of

mechanism between ears at sides of case before

snapping in place.

4. Lift the left side of the insulator off of the retaining post

and pivot it up and away to expose the terminal

screws.

5. Strip the supply and load wires by removing 1/2 inch of

insulation.

DO NOT USE ALUMINUM WIRE. Insert

the wire ends under the proper terminal plates and

tighten the screws firmly. Use any size wire,

AWG #10 through #18. Connect ground wire to

grounding terminal at bottom of case.

6. Replace the plastic insulator.

7. Follow instructions for battery installation. Be sure that

the battery is functioning properly. This can be checked

by seeing that the display is visible. If the display

has scrambled information, check to be sure that

the polarity orientation of the battery is as shown on

the cover label, then press the RESET switch and hold

for at least two seconds. Note that the battery can

easily be replaced without removing the time

switch mechanism or field wiring. Simply press in and

downward (in the direction of the arrow) on the

battery cover which is identified with the word “Battery”.

It is recommended that the battery be replaced with a

“AA” industrial grade alkaline cell at two to three

Fig. 3

Fig.2

Fig.1

Mounting Holes

Knockouts

Ground

Terminal

Snap Out Catch

Tilt Top Forward

Lift Up

Remove

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Intermatic EH40 Manual

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