Fridge compressor

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H4B

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Could someone tell me how the two connectors work for the refrigerant circulation to cooling plate work. Are they self sealing? I have to whip it out to get it regassed, serviced because I can't find anyone locally to do it situ.

Thanks.
 
If it's the quick-release Frigoboat type ones then yes, they're self sealing. A negligible amount of gas escapes as they're pushed together or disconnected.
If it needs re-gassing there must be a leak though, so not much point until you fix the leak? Of course I don't know the whole story....
 
You don't say what make and type of fridge, so you're unlikely to get much help! I think most systems with remote compressors use self-sealing hoses and are supplied with each component charged with the appropriate gas/oil mix and quantity for their volume, so a longer hose doesn't reduce the cooling effect.

Just a word of caution, my experience is from working with car aircon compressors (Sanden), many of which have been used to drive fridges and freezers on boats. Although over a matter of years they may lose some of their charge and can be regassed, many failure modes can pollute the system which then needs to be flushed clean and evacuated before recharging. When the compressor is serviced, ask the guys if the plate will need to be flushed, otherwise the pollution in the plate and hoses may start the problem up again. It may be a good idea to tell them what type of plate is fitted and the length of the hoses, so they can add a little extra gas and oil to get the right charge when pressures equalize.

Rob.
 
I don't trust the self sealing connections.
I installed a brand new set of compressor, hoses and evaporator plate, all supposedly pre-charged and self sealing.
It never worked properly until it had been evacuated and refilled in situ by a mobile servicing guy. Made a huge difference to compressor running time.
 
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