Carrier WEATHERMAKER 48/50AJ Operation And Service Manual page 134

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LEGEND
MCHX— Microchannel Heat Exchanger
SST — Saturated Suction Temperature
Fig. 45 — Charging Chart — 48/50A2,A3,A4,A5025 and 027 with R-410A Refrigerant
25 and 27 Ton MCHX CIRCUIT A Charging Chart
All Compressors on a Circuit Must be Operating
All Outdoor Fans Must be Operating
Reduce Charge if Above Curve
70 75 80 85
Outdoor Air Temperature (deg F)
25 and 27 Ton MCHX CIRCUIT B Charging Chart
All Compressors on a Circuit Must be Operating
All Outdoor Fans Must be Operating
Reduce Charge if Above Curve
70 75 80 85
Outdoor Air Temperature (deg F)
134
Add Charge if Below Curve
90 95 100 105 110
Add Charge if Below Curve
90 95 100 105 110
S S T= 5 5 F
S S T= 4 5 F
S S T= 3 5 F
115 120 125
S S T= 5 5 F
S S T= 4 5 F
S S T= 3 5 F
115 120 125
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