Question about Intermatic & Indoor/Outdoor Rain Tight Timer

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Swimming pool time clock face doesn't move

Does not rotate. Has 240v going in and 240v coming out.

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The timer has internal switches that you connect the input and output to . That is the NO, C , NC set of contacts. It also has a set of terminals for the clock, usually the first terminals on the left. Before connecting a feed to the clock, confirm the voltage rating for the timer. the clock voltage may be different than the contact voltage.

Posted on May 06, 2010

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1 Answer

The outer clock is on time the inner time is running one hour slower


could this be because of the 1 hour time difference in europe between summer & winter months?

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Grasslin Intermatic pool timer turns on and off randomly


did you change the base out or just the clock?? it could be shorting out threw the base

May 29, 2014 | Intermatic Grasslin Pool Time Clock 24hr...

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I have the Intermatic T-104. Hate to toss things out if it's just a minor problem. The timer keeps accurate time. The "on" switch doesn't work; the "off" switch does. I...


Open following link to determine if timer is bad:
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html

Key things are clock dial rotating on timer, and manual override lever turning load ON-OFF.
If clock motor is rotating and keeping good time, then you know that timer is receiving 240Volt from circuit breaker.

Check for loose wiring, and then check if you have 240V across terminals 2 and 4.
If you have 240volt across terminals 2 and 4, then that says 240V is going to Load, and that load is suspect.
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html

Buy cheap multimeter from hardware: set multimeter to read 240 or 250V, and put test prongs on terminals 2 and 4, and then move override lever and test again.
Safety: Tape multimeter leads to wood sticks to keep hands away from power. Stand on dry boards. Use adequate light.

If timer is genuinely bad, then you can buy timer insert: T104M
Usually it is cheaper to buy whole new T014, and then snap new mechanism into old box.

Aug 12, 2011 | Intermatic T104 24h 208-277v Mechanical...

1 Answer

How do u know what is the top of the motor ?


ALL THE VENTS FACE DOWN ON THE FRONT OF THE MOTOR AND THE BACK, THE ELECTRICAL SHOULD COME RIGHT OUT THE SIDE, AT 3 O-CLOCK (LOOK AT THE BACK OF THE MOTOR)..I HOPE YOU KNOW WHERE THE WIRES HOOK UP ON IT, IT'S BIG TIME IMPORTANT ! ON A TWO SPEED !.. JAY THE POOL PUMP MOTOR REPAIR GUY LONGWOOD FLORIDA

Jun 04, 2011 | AO Smith 2 hp 3450/1725rpm 56J Frame 230...

1 Answer

I have a hager eh 110 time switch on my pool and I cant set it. Any clues?


Hagar EH 10 is 230V analog time switch.
EH010 is 1" wide.

1) See large image of EH010
http://www.bewdirect.co.uk/home/m/Shop/id/3985/page/1/

2) See large image that explains how to set EH-010
http://waterheatertimer.org/images/EH-010-image-1000.jpg

3) With analog timers, there is a movable dial that rotates with fingers.
Pins or segments are located around edge of dial.
Segments are moved one direction or the other to set on-off times.
After segments are set, the dial is rotated to match current time.
The dial rotates as time passes, and segments move a switch that opens and closes electric circuit.

4) EH-010 is different.
Usually analog dial is located on face of timer like a clock face.
However EH-010 is only 1" wide, so dial is perpendicular to front of timer and is rotated with thumb.

5) I suggest setting a few segments one direction or the other and then manually rotate dial full circle to watch when pool equipment turns on-off.
This will tell you if segments should be set right or left.
I have not seen this particular timer, but it appears as if times on printed on edge of timer dial.

6) Timer has 240V clock motor.
So Hot line wires from circuit breaker connect to terminals 1 and 2.
This powers clock motor so dial rotates as time passes.

240V Line and 240V Load wires are connected as shown in image below:
geno_3245_275.jpg

Feb 10, 2011 | Electrical Supplies

1 Answer

The right side is for the pool sweep. The timer wheel doesn't move around and keep in time with the left side which is for the pool.


If timer wheel doesn't rotate on time, then clock motor is probably bad.
Probably the wheel is getting stalled a bit when tripper comes into contact with on-off lever, because motor has lost power.
Add a bit of grease where tripper come into contact with on-off lever.
Intermatic T104 is 240Volt clock motor
Buy T100 series 240V clock motor from grainger:
http://www.grainger.com/Grainger/timer-accessories/timers/electrical/ecatalog/N-8hi

Notice also that link above also shows extra trippers.
Trippers are designed to wear down before on-off lever, so timer mechanism lasts longer.

To install clock motor, snap mechanism out of box using thumb spring at top.
Motor is attached with 2 small star screws.
Notice that motor has plastic gears so motor is designed to stop working before rest of timer.
Motor wires attach to terminals 1 and 3, tighten screws very tight against copper wire.
Make sure no part of the wire insulation is under screw plate when tightening.

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, expert speaks with you over phone while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

geno_3245_262.jpg

Jan 26, 2011 | Intermatic T10404R - two 220 time clocks...

1 Answer

Power is good going into the timer but the timer is not running. I am wondering if there is a fuse that needs to be changed or a reset switch? The timer has been replaced in the last year.


If I understand correctly, you have T-104 240V timer.
Timer was running fine before, and recently stopped working.
If this is not your timer, add a comment.

1) Click manual override back and forth to see if Load turns on-off.
If Load does not turn on-off, then check power at Load.
Timer has 5 terminals A 1 2 3 4
Check terminals 2 and 4 for 240Volts when Load is ON

2) Check terminals 1 and 3 for 240Volts to make sure timer has full 240V and breaker is not tripped OFF on one leg. If timer has 120V, it appears to have voltage, but clock will not rotate and Load will not turn on-off. Check breaker for 240V across both screws.

3) Is dial rotating?
If dial is not rotating or is stuck in place, replace 208-277V clock motor.
http://www.grainger.com/Grainger/timer-accessories/timers/electrical/ecatalog/N-8hi
http://www.grainger.com/Grainger/INTERMATIC-Time-Clock-Motor-1PNK2?Pid=search

4) If dial is rotating, but trippers don't flip on-off lever, then trippers may be worn down. Buy new trippers.
http://www.grainger.com/Grainger/INTERMATIC-Timer-Tripper-2E054?Pid=search

5) How to wire T104 timer
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html

How timer works
:
Clock motor rotates dial.
ON-OFF trippers on dial contact lever.
ON tripper pushes lever one direction.
OFF tripper pushes lever other direction.
Lever moves electrical contacts together, or pulls contacts apart.
When lever moves on-off, manual override lever also snaps back and forth with audible clicking sound.

geno_3245_109.jpg

Nov 24, 2010 | Intermatic T104 24h 208-277v Mechanical...

1 Answer

Clock does not work to turn pool filter on and off. do I need a new timer mechanism or clock motor


Things to check:

1) Is yellow dial rotating? If not, then clock motor is probably bad. T-100 240V time clock motor sells for $16 at grainger.
Also timer may not be getting 240V so check manual override.

2) If clock motor is turning, but manual override never clicks on-and-off, then pins are probably worn out. Buy pins at grainger

3) Does manual override work? Does it click crisp? If manual override clicks crisp on-and-off, and pool filter turns on-and-off normally, then a) the circuit is getting 240V and b) the timer mechanism is ok ... so clock motor is probably bad.

4) If manual override snaps crisp but pool timer does not turn on, then then circuit breaker could be bad, wire is loose, motor has gone bad
Test for 240 across poles 1 and 2
... or timer contacts are worn out & you need new T-104
See back of mechanical timer

5) If manual override is loose or sluggish, then you need new T104. You can buy a T-104, T-104R, T-104M etc ... and the interior body will snap into old box.

Note: Do not buy T-101 or T-103 as these have 120V motor.

Sep 29, 2010 | Intermatic T104M 208-277Volt 40-amp Timer...

1 Answer

Dayton mfg time switch for pool pump no info on the switch, model no or anything other than mfg. 240 V to a GFI to a throw switsh to the pump motor.Switch is 5 pole (A,1,2,3,4) How do I wire this properly...


I don't know about your GFI, but it probally wires off one of the hot leads.
As for the others two come in (line) and two go out (load) The two that come in will hook to the two leads that have seperate leads running to the clock motor as this needs power all the time. These are probally small wires that come off the main terminals and go behind the clock wich is where you will find the clock motor.
The leads going to the pool motor will hook to the other two terminals.
Your last terminal is probally a ground.
If you take the gut to a pool store they can probally match it. Home Depot or the like will have to many other types to match.
The new one will have instructions and a sticker for your door on the clock for future reference.
Hope this helps, good luck.

Jul 05, 2010 | Pool & Spa

2 Answers

Pool timer is set but when i turn the switch to on


leave it in the off position and wait til ten to see if it comes on. typically the timer will flip the switch on itself..

Mar 14, 2010 | Intermatic T104 24h 208-277v Mechanical...

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