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25-08-2015, 09:25 AM #1
Oil return Capillary on Dailin VRV3
Hi all!
Had an oil capillary come off on a Daikin VRV3, can anyone explain the working principle of this, can't seem to get much out of Daikin on this and their VRV3 manuals don't seem to cover this. I understand the capillary/pressure drop theory but why on an oil return?? Why not just a quarter pipe???
Any help appreciated, thanks.
Champion Van Jockey
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25-08-2015, 03:01 PM #2
Re: Oil return Capillary on Dailin VRV3
Probably because if you use a 1/4" pipe you will pump refrigerant at high temperature through it.
Brian - Newton Abbot, Devon, UK
Retired March 2015
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25-08-2015, 05:56 PM #3
Re: Oil return Capillary on Dailin VRV3
Do you mean the oil return capillary from the bottom of the oil separator or the oil equalisation line?
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25-08-2015, 06:52 PM #4
Re: Oil return Capillary on Dailin VRV3
can you send a photo in an effort to illustrate your point?