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Re: wiring of off-delay timer

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Posted by HeatPro on May 06, 2006 at 00:15:05:

In Reply to: Re: wiring of off-delay timer posted by Dave on May 05, 2006 at 22:34:58:

I did what he said and wired it to 6 and 8 but it didn't work.
+++ As you said before:
("Then hot wire to pump on 6 and neutral to pump on 8.", If you put a brown or black 115 volt power wire to 6 and a neutral on 8, it would have blown the contacts off the relay as soon as it closed and it didn't work. )

So you use the remaining 3 and 1 terminals to run the brown wire into 3 or 1 and the black wire to the pump on 1 or 3. When the power is applied to 2 and 7 the pump starts because the power is transmitted through the contacts between 1 and 3.

However, without seeing the wiring diagram of what you actually have remaining from the ORIGINAL pump relay in the entire diagram AND the new delay relay, I can only guess that the power to the pump from the delay relay and to the other original pump relay wiring is removed when the boiler control power is removed.

There has to be pump voltage available through 1 and 3 to the pump when the control voltage for the burners and the circulator relay is removed. The delay of power to the circulator can happen because there is still power to 1 and 3 so the circulator can run until the delay opens the contacts between 1 and 3.

"Getting power from the boiler" is unspecific.

Currently, I have a hot wire that is always on to term. 7. and a neutral wire to term 2.
: Originally, i had 2 wires from the boiler (brown and white). The brown was attached via wire nut to the black from the boiler pump. The white was attached to the white from the pump via wire nut.
: I left the whites together as before.
: I then took the brown and attached it to term 6. I then took the black to the pump and attached it to term 8. But I still have no pump delay. I had also done it between 1 and 3 with the same results. What did I do wrong?

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