[ninfreak]

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

 

[hvac122]

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.

 

[ninfreak]

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

 

[hvac122]

There is usually a charging chart in the unit as it will vary by manufacture.

 

[beenthere]

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?