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Superheat should be determined at Standard ARI test conditions of 82°F outdoor and 80°F indoor dry bulb/67°F wet bulb. If superheat measured deviates from values found in Table 4, refrigerant charge should be adjusted accordingly for maximum performance. Suction Superheat Size Suction Superheat @ARI Conditions 80° IDDB/67° IDWB82° OD R22 410A 24 22° 15° 30 20° 15° 36 20° 12° 42 20° 12° 48, 60 20° 10° Table 4 Page 8 of 13 Issue 0902 506252-01 Owner Record MAINTENANCE WARNING ELECTRICAL SHOCK, FIR