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Immersion Heater Timer

Is the heater on when the pins are pushed out, or off?

Posted by ian wilson on

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Gene Haynes

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  • Water Heaters Master
  • 5,391 Answers

Usually Trippers out means ON for timer modules.
http://waterheatertimer.org/Intermatic-timers-and-manuals.html#FM1
http://waterheatertimer.org/How-to-set-timers.html
Add a comment as needed

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Posted on May 26, 2013

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1 Answer

Hi how to connect one 20amps contactor and a delay timer


Which delay timer do you have? 9 pin, 11 pin, etc?
What voltage are you using?
What is amp rating on timer?

Copy following links for general and specific wiring diagrams:
http://waterheatertimer.org/How-to-wire-pin-timers.html
http://waterheatertimer.org/images/10-pin-wiring2-1000.jpg
http://waterheatertimer.org/images/ON-delay-timer-diagram-900.jpg

Add a comment.
Gene
hh

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

Aug 20, 2013 | Intermatic WH40 - Water Heater Time Switch...

3 Answers

My rheem 50 gal water heater model 81mv52d keeps tripping the breaker, what do i need to do to stop this


Check all wiring at water heater and possible upper thermostat is bad, and in need of replacement.

Aug 15, 2011 | Rheem 50 GAL ELEC TALL Water Heater 6YR SC...

1 Answer

Timer will not turn water heater ON at set time, has to be done manually. However, it will turn water heater OFF at set time.


If this is new installation, check wiring. Hot and Load wires might be reversed.
Check that ON OFF trippers are both attached to yellow dial.
http://waterheatertimer.org/How-to-wire-WH40.html

If timer worked fine before, and started missing recently, then tripper pins probably worn out.
Trippers contact mechanical lever, and push lever on-and-off.
Trippers are softer metal and designed to wear out before lever.
If lever is worn out, timer needs to be replaced, but try new trippers first.
Buy trippers at Grainger
http://www.grainger.com/Grainger/INTERMATIC-Timer-Tripper-2E054?Pid=search
http://www.grainger.com/Grainger/timer-accessories/timers/electrical/ecatalog/N-8hi

How WH40 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-and-off, manual override lever also snaps back and forth with audible clicking sound.

Using q-tip, add touch of white grease to lever where trippers contact.

geno_3245_110.jpg

Nov 25, 2010 | Intermatic WH40 - Water Heater Time Switch...

1 Answer

Help! I can't get the water heater to go on! I KEEP TRYING to set the dial, but it's not working


If I understand correctly, you have the WH40 water heater timer.

If timer dial will not rotate, then use manual override to turn on circuit to water heater.
If manual override will not move back and forth, the tripper pin might be wedged against the lever.
Lift and rotate dial out of way.
If manual override does not click back-and-forth, then timer is probably bad.
If manual override clicks, but water heater does not turn on, then check electricity.

If you need more help, post a comment and I will respond

Oct 28, 2010 | Intermatic WH40 - Water Heater Time Switch...

1 Answer

I have recently had a Howden domestic immersion


I would not have both on at the same time . We never did .

Oct 30, 2017 | Water Heaters

1 Answer

Manual lever setting for water heater timer


post a close up of the timer and i will tryto assist you.
normally it dosent matter where the lever is as it should reset itself after each comlete operation . ie if you turn it on it should turn off when it reaches a preset off cam pin. or position indicator lever.

Nov 25, 2008 | Intermatic WH40 - Water Heater Time Switch...

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