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Old 07-20-2011, 06:34 PM   #1
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410a charge calulator by pipe size and what pressors should be in r22 a 410a


I used to have a paper that would calulat the charge for r22 and 410a by pipe size and by the feet of the pipe i lost it wounering if any buddy knows where to find a program our print out calulator for r22 and 410a and can any buddy tell me what the high side and low side psi should be in a r22 and 410a system thanks

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Old 07-20-2011, 07:28 PM   #2
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410a charge calulator by pipe size and what pressors should be in r22 a 410a


Not quite sure what your asking. There are charts from each manufacture as to how much refrigerant needs to be added for longer linesets on installation.
Charging a system needs to be done with superheat and subcooling.

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Old 07-20-2011, 07:47 PM   #3
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410a charge calulator by pipe size and what pressors should be in r22 a 410a


i allways charge by Weight and had a chart to go by but lost it if i charge by Superheat (fixed orifice). our Subcooling (thermostatic expansion valve) i forgot what it should be set to beacouse im use to charge by weight
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Old 07-20-2011, 08:04 PM   #4
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410a charge calulator by pipe size and what pressors should be in r22 a 410a


There is usually a charging chart in the unit as it will vary by manufacture.
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Old 07-20-2011, 08:20 PM   #5
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410a charge calulator by pipe size and what pressors should be in r22 a 410a


Quote:
Originally Posted by ninfreak View Post
i allways charge by Weight and had a chart to go by but lost it if i charge by Superheat (fixed orifice). our Subcooling (thermostatic expansion valve) i forgot what it should be set to beacouse im use to charge by weight

So you don't do any service?
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