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Old 05-26-2013, 10:38 AM   #1
mhb69
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Default wiring two pumps

Hi All, I'm in Sydney and I just received two 240V Chugger pumps from the states and am ready to connect them up. But before I do that, I thought I'd just make sure I'm doing things correctly. I have a single power feed (connected to a GFI switch) coming into a 2-gang switch box (waterproof). I've attached my version of a wiring diagram (an electrician I am not). The brown wire is hot and connects to the common on switch1 and a pigtail connects to the common on switch2. The neutral (blue wire) connects to the Loop terminal (which isn't connected to anything -- from what I understand it's just a spare terminal for the neutral). The hot wire coming from the pump connects to terminal '1', which is the pole for the switch.

I believe that I have this diagrammed up correctly, but I'd appreciate informed feedback/suggestions.

Cheers,

File Type: pdf chugger pump wiring diagram.pdf (41.3 KB, 107 views)
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Old 05-26-2013, 11:36 AM   #2
tyzippers
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Did you attach the diagram? I don't see it on the mobile version. I'm having a bit of trouble following your description.

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Old 05-26-2013, 12:19 PM   #3
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Not sure why the attachment isn't appearing on mobile devices. I can see it on my laptop, but not my iPad. Anyway, here is the diagram: http://flic.kr/ps/2tf9L6

You're right; my description won't make any sense on its own. Hopefully it does with the diagram?

Cheers

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Old 05-26-2013, 01:01 PM   #4
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I don't necessarily see a problem with the circuit as long as you are 100% certain that the terminal the neutral is connected to is completely isolated from the common terminal as you have described. Is the switch a single pole single throw or is it a single pole double throw? If its a 1P1T then you should be fine. If its 1P2T, you will end up with a shorted neutral.

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Old 05-26-2013, 08:15 PM   #5
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Thanks a bunch tyzippers. The switches here in OZ are set up to be either single throw or double throw (see here: http://archive.siliconchip.com.au/cm...2/article.html ), but the loop terminal is always isolated.

Thanks again!

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Old 05-26-2013, 08:29 PM   #6
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I've had a few beers, but I gotta ask; when using 220v do you have a switching leg or do you switch both legs? And what happens if it shorts? Do you have an earth ground?

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Old 05-26-2013, 08:42 PM   #7
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umm, not an electrician, but I'm guessing you think I'm combining two 110s to get 220? Here in OZ everything is 220V (just like 110 in the states). we're not combining two 110s to get 220.

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Old 05-26-2013, 08:47 PM   #8
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I'm an HVAC man is your 220 different than mine?

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Old 05-26-2013, 08:56 PM   #9
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I believe so. our mains power is 230V (+/- 10%) and it is 50Hz. The new chugger pumps are 230V (50/60 Hz).

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Old 05-26-2013, 09:00 PM   #10
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We swing 220-240. and are 60Hz/. I don't know what difference that makes.

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