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Thread: Refrigerant filling ratio...
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21-04-2008, 09:27 PM #1
Refrigerant filling ratio...
Hi,
I've got one question. What is an average refrigerant filling ratio (kg/kW) for ammonia glycol chiller which works at -15 evaporating and 30 condensing temperatures with gravity flooded plate evaporator?
Refrigerating capacity is about 550 kW.
Thanks for every answer ,
Best regards...
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22-04-2008, 02:32 PM #2
Re: Refrigerant filling ratio...
Auxiliary question ... if the amount of 150 kg (it's 0,27 kg NH3 per kW) ammonia will be correct for this kind of installation?
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22-04-2008, 02:41 PM #3
Re: Refrigerant filling ratio...
I think the refrigerant charge is dependent on your system arrangement and components. The package chillers I have worked on had a ratio of 45.36 kg for 351.69 kW of refrigeration. So the ratio was 0.1289!
This was for a ice skating rink.
This was an owner requirement for transportation, but I think similar results are possible.If all else fails, ask for help.
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22-04-2008, 03:39 PM #4
Re: Refrigerant filling ratio...
Thanks very much for Your answer. It was very helpful.
Best regards...
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