Question about Pool & Spa
How do i wire in a pool pump timer that has a relay it has five terminals 123 an n m.
If you can give the make and model of the timer, I can probably find the wiring diagram and explain it to you with certainty. But here's a little bit of info that may help you figure it out. The timer and relay need power to operate all of the time - so unlike a manual switch, you will have to connect the hot (usually black) wire AND the neutral (usually white) wire to this device. However, like a manual switch, only the hot wire get's "switched" - so the hot wire has to feed into the switching contacts of the relay, with the output from the relay going to the pump. Of course the neutral has to go to the pump too, but it's not switched. Another thing to know is that many relays have output that is "normally open" (that's off), and another output that is "normally closed" (that's on).
Let me know if you need more help. Al Kupchella
Posted on Apr 29, 2010
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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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