Question about Intermatic Timer T-101 Indoor 120-Volt 40-Amp 1 Pole Timer
The Switch controls my pool sweep operation and has been in place since 1995. It is properly protected and sealed, and is in good condition. 2 days ago the ON tripper began failing to turn on the sweep although the OFF tripper continues to work normally. The clock dial and timing mechanism works properly and the clock keeps time accurately. I replaced the ON tripper but the pump still does not turn on. Using the On-Off Lever manually, it moves easily and smoothly from Off to ON and Off without any undue resistance.
I suspect the On-Off lever may be worn and no longer makes solid contact with the ON tripper, but I can't see it tell for sure. So, my questions are:
1. Is a worn lever contact the probable issue or coulsd there be another problem?
2. If a worn lever is the likely issue, can the time pointer and time dial be removed to provide access to the top of the manual lever?
3. If so and the lever is worn, can the lever be replaced?
4. If 2 & 3 are possible, does it make sense to replace the lever or should the entire switch be replaced?
Any advice will be appreciated and thanks in advance for the help.
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Posted on Jan 02, 2017
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The instructions are available from Intermatic if you click on the below link.
240 volts will have two 120 volt lines and a ground(green or bare) or neutral (white) wire.
If your system is 240 volts the Red and Black wires are hot should be individually connected, one to terminal 1 and the second color to terminal 3. The load or pump in your case should be connected to terminal 2 and 4. If you want to wire a switch to the load you need to decide on how you want the switch act, 1) as an auxiliary on 2) as an emergency off. If you want an auxiliary on for the pump, you need a DPDT (Double Pole Double Throw) 40amp switch (what should be in the house). Run the appreciate gage of wire (AWG 8 for 40A) from terminal 1 to one pole of the switch and a wire from terminal 3 to the second pole of your switch. Next run wires from the switch contacts from the two remaining switch terminals to terminals 2 and 4 on the timer matching the Red side on the switch to and Red on the timer and Black side on the switch to Black on the timer. The timer will control the function of the pump, and the switch will turn the pump on when the timer is off. If you only have two hot wires coming from the house attach them to terminal 2 and 4. If you want an emergency stop you need to wire a second DPDT 40amp switch and disconnect the load wires from terminal 2 and 4 and connect each one to the opposite poles of the switch. Using the correct gage of wire you need to connect a red and black wire to the two separate terminals of the switch. When the switch is off the pump will not work but the timer will keep the current time. The color of wires may not be the same in that situation you will need a multi meter to identify the wires.
I need a little more information on the pool sweep timer. Are you using the same timer or just the power? Is the power 120 or 240 volts? When do you want the pool sweep to be active?
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