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Old 02-07-2008, 09:43 AM   #1
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Where does the White/Common go???


Jezzzzzzz I picked a bad week to quit smoking....I am wiring my timers for my pool with following components fed from my pool sub panel;
A intermatic T104P3 http://www.intermatic.com/images/ins...heets/T104.pdf
to control the on and off timer, and
A intermatic T106
http://www.intermatic.com/images/ins...eets/T106R.pdf to select the speed of the two speed 220v hayward pump

Starting in my sub panel, the 50a 220v GFICB white pigtail into neutral bus, black and red legs to line lugs on T104, Green from ground bus in sub to ground pigtail in T104. Then the red and black from the load on the T104 to the Line on the T106, again grounds pigtailed, Then Red and black out of the LOAD on the T106 one to the high speed lug on the pump and the other to the low speed lug on the pump

QUESTON: Both my Pump and mY GFCIB have a terminal for a White/Common, does this go directly to the White/common lug on my pump? As there appears to be no connections for this wire in the timer boxes


Last edited by Al the Diy guy; 02-07-2008 at 10:22 AM.
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Old 02-07-2008, 10:24 AM   #2
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Where does the White/Common go???


Okay, think I got it, I do not use the white termial off the GFICB, the common for the pump comes from the first line terminal of the timer...I think...

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Old 02-07-2008, 10:59 AM   #3
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Where does the White/Common go???


Do you have 3 wires or four wires to feed the timers.

240 Volt Single Phase:
Black to terminal 1
White to terminal 3
Bare to ground screw in timer.
Term 2 & Term 4 output to motor + Ground

If you have four wires just drop the white as you do not need a neutral for either timer at 240 volts. Your links show both timers to be exact and rated for 208-240 volt.
If the pump motors are 120 volt you can use the timer as a single pole switch. Running the neutral unbroken to the motors. Or you can run the neutral through the switch if you prefer. Just like the 240 volt.
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Old 02-07-2008, 11:09 AM   #4
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Where does the White/Common go???


Thanks J.V.
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