I have a 20 year old Amana heat pump. The condensing unit is stamped with 84 oz of R22. The A/H is stamped with 42 oz of R22.
Is the correct charge 84 + 42 = 126oz. + pipe length over 15 ft?
Or is it 84 oz + pipe length over 15 feet?
Results 1 to 13 of 58
Thread: Charging by weight question