Carrier WEATHERMAKER 48/50AJ Operation And Service Manual page 133

150
145
140
135
130
125
120
115
110
105
100
95
90
85
80
75
70
55 60
150
145
140
135
130
125
120
115
110
105
100
95
90
85
80
75
70
55 60
LEGEND
MCHX— Microchannel Heat Exchanger
SST — Saturated Suction Temperature
Fig. 44 — Charging Chart — 48/50A2,A3,A4,A5020 with R-410A Refrigerant
20 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
65 70 75 80 85
Outdoor Air Temperature (deg F)
20 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
65 70 75 80 85
Outdoor Air Temperature (deg F)
133
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
SST= 55 F
SST= 45 F
SST= 35 F
115 120 125
a48-8401