Intertherm DS4BD-024KB

Questions about repairs and parts for Nordyne furnaces, air conditioners and heat pumps for manufactured homes including Intertherm, Mac and Miller brands. Click here for Nordyne parts.

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jontm
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Joined: Fri Jul 16, 2010 9:24 am

We have a 2 ton split system that we recently installed that runs fine for awhile then the high side begins to drop, run up, run up drop until finally the safety switch goes off on high pressure.

We replaced the filter/dryer thinking that there might have been a restriction or that the gentleman who brazed it applied to much heat since he has a bad habit of not using a wet rag during installation and has had filter/dryer problems in the past.

I am leaning towards a restriction in the high side, but am a bit thrown as sometimes the unit goes right into an extreme pressure on start up, sometimes it will run for 45 minutes before it does. It is providing normal cooling and we are not having anything freeze up on the lines or frost.

Right now we are considering replacing the 3/8 line, a-coil and filter dryer, but I hate being a parts changing monkey and would rather use this to learn and troubleshoot.
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JD
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We'll move this post to the "Nordyne Service & Repair" forum where you will get your best responses.

JD
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All information and advice given is for entertainment and informational purposes only. The person doing the work is solely responsible to insure that their work complies with their local building code and OSHA safety regulations.
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Robert
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Replied to other thread.



Thanks,
Robert
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