Upside-down pumps?


  #1  
Old 04-27-05, 03:32 AM
brucecomo
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Upside-down pumps?

Hello All...

My girlfriend's home has hot water heat/water that seem to work just fine. She's been told by a couple of different people that her pumps were installed upside down. Here are my observations; I'd be grateful for any education someone is willing to impart.

- The pumps labels are upside down
- The pumps never run
- When I first start a zone, the bottom pipe of the corresponding pump gets hotter than the top.

One aspect that really throws me is this: The cold return and the hot line appear to be connected.

There is a 6' stretch of pipe. On the left side, all 4 pumps connect to this pipe. On the right side, all four inlets(?) connect to the pipe. Both lines from the furnace connect in the center of the pipe. Shouldn't the pipe be separated?

The pictures can be found at http://mysite.verizon.net/vze6k4df/u...wnvalvespumps/

Thanks for your time...

Bruce
 

Last edited by brucecomo; 05-03-05 at 03:26 PM. Reason: added links to pictures
  #2  
Old 04-27-05, 04:03 AM
Ed Imeduc's Avatar
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Wink

Can you draw it out and post back in this same post.
One aspect that really throws me is this: The cold return and the hot line appear to be connected.
how????

ED
 
  #3  
Old 04-27-05, 04:23 AM
brucecomo
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Here goes my drawing...


| | | | | | | |
| | | | | | | |
P P P P | | | |
| | | | | | | |
-------------------------------------------- <-- single pipe
| |
| |
furnace
 

Last edited by brucecomo; 04-27-05 at 04:23 AM. Reason: didn't like the way the drawing was rendered
  #4  
Old 04-28-05, 11:29 AM
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Your diagram isn't completely clear but it looks like it may be a primary/secondary loop setup. If it is, they usually work very well with respect to comfort. The pumps circulate water through the zone that is calling and the boiler adds as much hot water as it can to the loop. There are pitfalls but I would need to see a photo of the system or a pipe diagram to see them. I doubt that the pumps never run. They may be very quiet but if no water flowed, the house would be cold.

Ken
 
  #5  
Old 04-29-05, 12:39 AM
brucecomo
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Thanks for your reply and attempt at my picture. I will try to take a picture and post it somewhere where everyone can see it.

Thanks again,
Bruce
 
  #6  
Old 05-02-05, 11:51 AM
brucecomo
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Hello again...

I have a Quicktime video file (1.4 Meg) that shows the system I'm referring to. Is there a way to upload it to this forum?

Thanks,
Bruce
 
  #7  
Old 05-03-05, 08:40 AM
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This web sight don't allow pictures to be posted.

You'll have to find another server that will host it and post it there.. Link us to that websight.
 
 

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