Question about Intermatic T104 24h 208-277v Mechanical Time Switch
I have intermatic Model T104P3 timer to turn the pool pump on and off. I can see the gears moving in the back part of the enclosure but not the gears in front. The timer does not keep the day of day - I set it and it does not move.
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Posted on Jan 02, 2017
Did you mix up the pointers? One of them is for off and one for on. Dont know any other reason. If the timer is working all the pointers do is manually trip the lever as it comes past. On and Off should be stamped on the pointer.
Posted on Sep 28, 2009
SOURCE: How to set Intermatic T104P3
The T-104 is a 240Volt timer that will not work for 120V circuits
The above link gives you information about the T104 T103 T101 in case you need to buy another timer
The difference is the voltages on the lines and voltage of the clock
1) How to sort out what you have:
-Which circuit breaker operates the timer and pump? If your circuit breaker is 240, then the pump is 240 and the timer is 240 so you most likely have the T-104
-To double-check: turn off the power and look at the name plate on the pump >>> the name plate will show voltage of the pump
-If breaker is 120, then you have T-101 that has three terminal screws inside the timer, or you have T-103 with 5 terminal screws inside the timer.
OK that's the basic information:
You say your trippers don't work.
Does the manual override work?
2) If the manual override does NOT work when you click it back and forth, and the unit has electricity, then the timer is probably bad. You can buy a new timer, and swap out the insides with old timer without replacing box.
3) If the manual override DOES work, then best news of all ... you may need new tripper pins
Posted on Oct 20, 2010
SOURCE: Mechanical Pool Pump timer.
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.
Posted on Mar 01, 2011
SOURCE: Can you send a scematic
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.
Open following link for 240Volt T104 timer wiring diagram.
Posted on Aug 25, 2011
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