20
18-BC98D1-1G-EN
System Charge Adjustment
Table 24. Temperature Measurements (Systems can be rated with TXV, EEV or Piston. Ensure charging method is
correct).
Check the outdoor temperatures.
Subcooling using “Charging Mode-Cooling” is the only
recommended method of charging between 55 ° F and 120° F ambient
outdoor temperature.
Note: For Superheat (In Cooling Mode), refer to the Superheat
Charging Table
For best results the indoor temperature should be kept between 70° F
to 80° F.
Table 25. Subcooling Charging Corrections
Determine the final subcooling value using total Line Length and Lift —
See Required Refrigerant Line Length and the Subcooling Charging
Corrections Charts.
Subcooling Charging Correction Worksheet
Total Line Length (ft) ________________________
Total Vertical Charge (lift) ________________________
(Values from — Required Refrigerant Line Length)
Design Subcooling Value ________________________
(from nameplate)
Final Subcooling Value ________________________
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