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-   -   Well Pump pressure switch help needed. (http://www.diychatroom.com/f18/well-pump-pressure-switch-help-needed-85690/)

slabm7 11-03-2010 02:15 PM

Well Pump pressure switch help needed.
 
I am currently trying to replace my well tank pressure switch with a digital control one. The line going to the switch is a 14/2 line and the current switch uses a ground line that just screws to the bottom of the switch. The new switch I am installing is a digital switch, it uses the same to leads but does not have a "ground" in it and no where to screw the ground from the line to. So my question is can I install this new switch without using the ground from the 14/2 line? Thanks

secutanudu 11-03-2010 02:49 PM

Do you have a make and model of the switch?

How many wires are on it?

a7ecorsair 11-03-2010 02:59 PM

Quote:

Originally Posted by slabm7 (Post 527994)
So my question is can I install this new switch without using the ground from the 14/2 line? Thanks

What does the direction sheet say that came with the new switch? Connection requirements should be fully covered.

slabm7 11-03-2010 03:51 PM

Quote:

Originally Posted by secutanudu (Post 528008)
Do you have a make and model of the switch?

How many wires are on it?

The new switch is an Amtrol Digital pressure control switch. Model DC2.

The new switch has 4 wires coming out of it. 2 Leads and 2 Lines to the control box. The old switch was a square d and it only used one of the leads and one line to the control box leaving 2 connections not used.

slabm7 11-03-2010 03:54 PM

Quote:

Originally Posted by a7ecorsair (Post 528016)
What does the direction sheet say that came with the new switch? Connection requirements should be fully covered.

The installation instructions that came with it say very little about the wiring and more about the operation about the switch. It says the switch can be used for 115 and 230 volt systems.

kbsparky 11-03-2010 04:48 PM

1 Attachment(s)
Is this your pressure switch? I marked where the ground wires connect.

slabm7 11-03-2010 04:55 PM

Quote:

Originally Posted by kbsparky (Post 528067)
Is this your pressure switch? I marked where the ground wires connect.

No its not, thats the old one that Amtrol had problems with so they developed the DC2, there is not much for info on the internet about it, I've been searching all day.

Mine just has 4 wires coming out the back of it. From Left to right they are Black (Line 1), Blue (Lead 1), White (Line 2), White w/ black striping (Lead 2).

The square d that I took off only uses 1 Lead and 1 Line and the other 2 are left unused. I tried hooking up the Lead 1 and Line 1 to the new switch but don't seem to be getting power to it.

kbsparky 11-03-2010 05:05 PM

1 Attachment(s)
Maybe looks like this one?

slabm7 11-03-2010 05:12 PM

1 Attachment(s)
Quote:

Originally Posted by kbsparky (Post 528079)
Maybe looks like this one?

Not that one either but close enough, all I have coming out of it is the 4 wires. Any idea how I could wire it up? My 14/2 line has a black and a white with a ground and thats it.

edit, here is a pic on whats going on

kbsparky 11-03-2010 05:16 PM

There should be a mounting plate there, as well as an outer cover.

On the mounting plate, a green screw should be present. Connect your ground wire there.

You should have more than one wire there: An incoming cable from your breaker box, and an outgoing cable to your water pump.

IF your setup is not like that, then there is probably a junction box somewhere nearby where a 2-wire switch loop has been configured. If this is the case, this switch will not work properly.

You will have to rewire it so that both incoming lines connect to the pressure switch, as well as both leads to the pump.

Make sense?

slabm7 11-03-2010 05:18 PM

There is a back plate for the switch but it has no where to attach to copper ground line.

nap 11-03-2010 05:24 PM

what is the voltgae of your pump?

If there is no attachment point for the ground in the switch at all, simply connect it to the ground going to the motor.

kbsparky 11-03-2010 05:26 PM

Is this your switch?

http://www.aquascience.net/resource/...ol-dc2-top.jpghttp://www.aquascience.net/resource/...ital-group.jpghttp://www.aquascience.net/resource/...dc2-bottom.jpg

slabm7 11-03-2010 05:29 PM

Quote:

Originally Posted by nap (Post 528094)
what is the voltgae of your pump?

If there is no attachment point for the ground in the switch at all, simply connect it to the ground going to the motor.

The voltage for the pump is 240v.

slabm7 11-03-2010 05:30 PM

Yep thats it


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