Refrigerant Line Set banging


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Old 10-17-09, 01:23 PM
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Refrigerant Line Set banging

We had a new heat pump installed in August and has worked very well and quiet through cooling season.

Now that we have transitioned to heating season, heat pumps is working well however it appears my line set at the AHU in the attic bangs when the heat pump cycles off after heating - like a good vibration against either studs or drywall.

Service techs won't be onsite until Monday - just curious what the forum thought about this....valve issue? Can't figure out what is generating such a shock on the line(s) - might only be the high pressure line that's the culprit.
 
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Old 10-17-09, 03:04 PM
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The more i look into this it reminds me of a water hammer in a steam line.
 
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Old 11-02-09, 03:50 PM
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Txv ?????

If is have had that before if intermediate live with it if all time they will be back n back n back cant think rite off may have been a charge issue ....................
 
 

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