Question about Intermatic T104 24h 208-277v Mechanical Time Switch

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Pool pump timer not working

The timer is ticking but the clock isn't rotating

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Push the clock dial in to see if that will engage the clock again. Also here is the manual if you need it.

http://www.intermatic.com/images/instruction_sheets/T104.pdf

Good Luck and Please Rate FixYa!

Posted on Mar 02, 2009

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Pool timer clicking but doesnt keep time


If timer dial does not rotate and keep good time, then replace clock motor.
Clock motor is getting weak, and maybe trippers are sticking on on-off lever.
Add a bit of white grease to on-off lever, and turn power off then spray metal gears with bit of WD40. WD40 is highly flammable so power should be turned off.
Copy following links for troubleshoot resources, and clock motor replacement.
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html
http://waterheatertimer.org/How-to-replace-Intermatic-clock-motor.html

Aug 19, 2012 | Intermatic T104 24h 208-277v Mechanical...

1 Answer

Can you send a scematic showing how to wire an intermatic pool pump timer to a polaris intermatic timer so that when the pool pump shuts off so will the polaris pump yet the polaris timer clock continues...


No. I don't have a wiring schematic without knowing what voltage you are using, specifically what Intermatic timer you have, specifically what wires you have coming from breaker box, what wires are on the pump, and what pump rating plate says, what the wiring diagram shows on side of pump, whether you are wiring a 2-speed pump to a single-speed timer, specifically what is the polaris timer clock, and why this pump needs two timers if that's what you mean.
Add a comment with specific information so electrician is not guessing.
http://www.poolcenter.com/polaris-booster-install-OM.pdf

Open following link for 240Volt T104 timer wiring diagram.
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html

Aug 25, 2011 | Intermatic T104 24h 208-277v Mechanical...

1 Answer

Pool pump starts randomly (as if there is a short) even when it is not set to start and stop. Otherwise works fine, not sure if I need to replace unit or dissassemble and clean or ????? T21004R


Sounds like 240Volt WG1573 clock motor has gone bad and needs replacement. But more checking is needed.

You posted under T2100-4R which is 60 amp Intermatic control panel with a single T104M 240Volt timer mechanism.
All Intermatic timer mechanisms can fit into same control center, so you can possibly have different timer mechanism inserted into the T2100-4R control center.
The control center can have up to 4 circuit breakers.
Instruction manual shows that timer can also have fireman's switch that is wired to pool heater and causes pool heater to turn off 20 minutes before pool pump turns off.
http://www.poolandspacontrols.com/products/mechanical%20controls/60%20amp%20pool%20and%20spa%20control%20panels.aspx

(1) First thing: If you have T104 mechanism, do a troubleshoot run-down to see if trippers, clock motor, or wiring are suspect:
http://waterheatertimer.org/How-to-troubleshoot-Intermatic-timer.html

(2) Next would be to check the circuit breakers for loose wires, burned connections, or the smell of burning or crackling sound that says breaker is loose on the busbar.

(3) Check for loose wiring on T104 and test circuit:
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html
(a) Push the manual override lever to OFF position and test across terminals 1 and 2 and then across terminals 3 and 4 to make sure timer is turning off power to pump. Both tests should show 0 volts.
(b) Push manual override lever to to ON position and repeat test above. Both tests should show 240 volts.
If the test fails, then buy new T104M timer mechanism.

(4) If the T104 timer is turning off both lines in the 240Volt circuit, then pump cannot turn on since neither wire is Hot.
However if your T104 timer is actually a T101 timer or if timer has different wiring, where timer is turning off only 1 leg and not both legs of 240Volt circuit, then pump has one hot wire available and a short to ground could cause pump to turn on unexpectedly.

Jul 08, 2011 | Intermatic T21004R- Pool-Spa Mechanical...

1 Answer

Mechanical Pool Pump timer. The clock is not working. I can turn my pump on manually but when I set the time the clock remains at the same time and does not move.


The timer wiring provides power for the clock itself. If it is incorrectly wired or if the clock is not working, the pump will not turn on.
Gary

Mar 01, 2011 | Intermatic T104 24h 208-277v Mechanical...

1 Answer

I have an intermatic T104P3 timer for my pool and now it won't turn on. I have to start the pool on manual. I have tryed to remove the screw to start and it goes right by it and does not set the pool on....


Hi Dianna, I am timer expert at Fixya

1) When you say screw, I believe you mean tripper?
geno_3245_273.jpg

2) Trippers are placed on dial using thumb screw. Clock motor located on back of mechanism rotates dial. So dial rotates as time passes.
On-off trippers rotate around on the dial and push a lever back and forth that turns pump on-off.
Trippers are designed to wear down so that timer mechanism lasts longer.
You can buy replacement trippers for T100 series timers at Grainger:
http://www.grainger.com/Grainger/timer-accessories/timers/electrical/ecatalog/N-8hi

3) You posted under T104 timer.
Notice that grainger also sells WG1573 240Volt clock motors for the T104.
Clock motors slow down and burn out.
Clock motors are replaced by tipping mechanism out of box using thumb spring located inside box at top. Clock motor is attached with 2 small star screws. Buy star screwdriver at auto parts or hardware.
When ordering trippers, you might want extra clock motor on hand for when the dial stops rotating.

4) Open following link to see manual and wiring instructions for T104.
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html

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.

Feb 10, 2011 | Intermatic T104 24h 208-277v Mechanical...

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

I hooked up a new T104 timer and the manual works but its not clicking on and off when it is supposed to or at all. are you suppposed to have the turn dial in a certain position or what


1) The dial should rotate as time passes.
Set trippers on dial at times you want timer to turn on-off.
To set current time: Pull out yellow dial and rotate dial until current time lines up with silver pointer located at 6 o'clock position.

2) If manual override turns Load on-off but dial doesn't rotate continuously, then you have incorrect wiring.
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html
Most common mistake is confusing Load wires (wires going to light,fan, motor, pump) with Line wires coming from breaker box.

3) Another possibility is that you have wrong timer: T104 has 240V clock motor.
If your circuit has 120V instead of 240, then clock motor will not rotate dial.
You might need to exchange timer for T101 or T103 timer (see wiring for these timers on link above)

4) How box timers work.
Clock motor rotates dial.
Trippers on dial push lever back and forth.
Lever moves copper contacts that open and close circuit

geno_3245_272.jpg

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.

Feb 10, 2011 | Intermatic T104 24h 208-277v Mechanical...

1 Answer

Don't know what is it used for,and how it operates?I don't have any instructions for it.


You posted under T101 timer.
Most box timers have model number and instructions pasted on inside of door.
Instructions can seems a foreign language sometimes.

If your timer is different than T101, then add a comment with timer number.
I have extensive files on timers.

Box timers are generally used for heavy amperage loads like outdoor lights, swimming pool pumps, water heaters, parking lot lights and lighted outdoor signs.
They are surface mounted near breaker box, or in attic or basement, or garage.
Box timers are used in schools to ring bells, and inside factories to run processes and fans.
Some are complicated electronic devices used to control machines with one second precision.
Mechanical box timers are noisy when turning on-off, so are generally not installed in living area of house.

T101 timer is least complicated of any timer.
It is used for ordinary household 120V circuit.
Timer has 120Volt clock motor, and controls 120Volt circuit.
For example 120Volt water heater, or 120V grow lights, or aquarium, or any application up to 2 horsepower, for example timer can be located inside garage to control outdoor lights.
T101R is raintight outdoor box, with rubber gasket on door that seals tight when closed.
Raintight boxes are installed outdoors to operate 120Volt spas and pool pumps.
When box timer is rated for indoor, there is no rubber gasket on door, and that box is called NEMA 1 enclosure.
My local Lowes sells T101 T103 T104 > and each is for slightly different purpose and each wires differently.
Link below shows wiring and manuals for T100 series timers.
http://waterheatertimer.org/How-to-wire-T104-Intermatic-timer.html#T101

Here's how T100 series timer works:
Lift and rotate yellow dial until current time lines up with silver pointer.
Clock motor rotates dial as time passes.
Clock motors are accurate for years, but current time has to be reset after power outage.
ON-OFF trippers are placed on outer edge of dial.
Trippers push a lever, and lever turns circuit on-and-off.
ON tripper pushes lever one direction.
OFF tripper pushes lever opposite direction.
Each time lever is pushed, manual-override lever clicks back and forth with audible sound.
geno_3245_125.jpg

Dec 01, 2010 | Intermatic T101 - 24 Hr. Dial Time Switch...

1 Answer

Once T101 Timer Shuts Off will not turn back on


you have the hot and load reversed. the power source should connect to terminal 1. the wire going on to the pool pump should be hooked to terminal 2.

the clock motor is powered off terminal 1 and A is the neutral.

what u have done is hooked the power source to #2 and the load to #1, simply switch them and everything should be fine, here is a link to the wiring diagram for the timer.

http://www.intermatic.com/~/media/files/intermatic/products/instructions/timers/t101%20-%20english.ashx

Aug 22, 2009 | Intermatic T101 - 24 Hr. Dial Time Switch...

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