Carrier 48VL-E Installation Instructions Manual page 23

48VL-(E, F): Installation Instructions
Superheat charging table is derived from optimum performance point. (95°F [35°C] outdoor ambient and (80°F [27°C] dry bulb; 67°F [19°C] wet bulb indoor condition.) Where a dash(--)
appears do not attempt to check charge or charge unit under these conditions using the superheat method. (Weigh in method should be used.)
To properly check or adjust charge, conditions must be favorable for subcooling charging. Favorable conditions exist when the outdoor temperature is between 75°F to 115°F (24°C and 46°C),
and the indoor temperature is between 70°F and 80°F (21°C and 27°C). Follow the procedure above.
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Table 8 – Cooling Charging Chart
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A150625
A150626