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Thread: Condensate Lines
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01-04-2008, 02:16 PM #1
Condensate Lines
I have a large freezer with 3 evaporator coils. 1 coil maintains a temperature of -22 deg. F/ 2 coil -20 deg F/ 3 coil -20 deg F. They have a common drain line that runs from coil 3 until it exits out of the freezer 120' later. When we have an issue with defrost with one coil it freezes the line and we spend about 2 days with a torch to melt ice to clear the line and or drain pan. One idea I had was to exit each coil indivivualaly out of the freezer but the condensate water would dump into a grass area that has very little drainage for it to run into the ditches. Another idea was to run each line out the freezer into the floor drain like it is now but no into a common line. Please send any ideas this is a very expensive problem that needs addressed. All lines are insulated and have heat trace.
Thank you in advance.Last edited by MattR11; 01-04-2008 at 02:37 PM. Reason: More information needed.
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01-04-2008, 02:24 PM #2
Re: Condensate Lines
Are the lines insulated? Do they have heat trace? If the don't I would suggest wrapping heat trace around the pipe and insulate.
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01-04-2008, 02:25 PM #3
Re: Condensate Lines
Have you got trace heater and lagging fitted to the drain?
Edit:
Ooops,
I need touch typing lessons.
At least great minds think alike...
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01-04-2008, 02:30 PM #4
Re: Condensate Lines
Whats lagging Viking?
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01-04-2008, 02:45 PM #5
Re: Condensate Lines
Aha,
I do like it when we find the language differences that exist across the pond....
It's what you would call insulation.
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01-04-2008, 02:47 PM #6
Re: Condensate Lines
Thanks, nice web site you have.
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01-04-2008, 03:05 PM #7
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01-04-2008, 03:52 PM #8
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01-04-2008, 03:57 PM #9
Re: Condensate Lines
Matt,
How long are the pipes between the driptrays and the Ts in the drain pipe?
P.S. When you answer follow up questions, it's easier to find and considered more polite to use the "reply" function instead of the "edit" one....
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01-04-2008, 04:21 PM #10
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01-04-2008, 07:01 PM #11
Re: Condensate Lines
Hi Matt,
its not a good idea having excessive condensate pipework in a low temp store. Even worse is having all connected up together as you describe.
My golden rules are......
1. Short condensate pipe as possible.
2. Individual heater tape per cooler.
3. Self limiting external heater tape, with insulation (lagging to us brits & nordic invaders)
4. Compression joints on pipe fittings. This allows easy removal for cleaning/repair work.
5. Indicator lamp on control panel proving power supply to heater tape + indicator lamp for defrost circuit breaker or fuse.
6. Regular inspection (maintenance)
OH, plus keep a wooly hat & a good coat in the van for thoose long hours which you may have to spend chipping ice away.
Billy Ray
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01-04-2008, 08:21 PM #12
Re: Condensate Lines
Originally Posted by Billy RayIf all else fails, ask for help.
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02-04-2008, 08:12 PM #13
Re: Condensate Lines
Dear Viking,
hope comment was taken in the manner that it was sent.
Biily Ray
p.s. do you sail you long boat up the Thames!!
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