Carrier WEATHERMAKER 48A2020 - Page 147

147
40 Ton MCHX Charging Chart
All Co mp re ssors on a Circuit M ust be Operating
All Outdoor Fans Must be Operating
70
75
80
85
90
95
100
105
110
115
120
125
130
135
140
145
150
55 60 65 70 75 80 85 90 95 100 105 110 115 120 125
Outdoor Air Temperature (deg F)
Saturated Condensing Temperature (deg F)
Reduce Charge if Above Curve
Add Charge if Below Curve
SST= 4 5 F
SST= 3 5 F
SST= 5 5 F
Fig. 53 — Charging Chart — 48/50A040 with R-410A Refrigerant
LEGEND
MCHX— Microchannel Heat Exchanger
SST — Saturated Suction Temperature
50 Ton MCHX Charging Chart
All Co mp re ssors on a Circuit Must be Operating
All Outdoor Fans Must be Operating
70
75
80
85
90
95
100
105
110
115
120
125
130
135
140
145
150
55 60 65 70 75 80 85 90 95 100 105 110 115 120 125
Outdoor Air Temperature (deg F)
Saturated Condensing Temperature (deg F)
Reduce Charge if Above Curve
Add Charge if Below Curve
SST= 45 F
SST= 3 5 F
SST= 55 F
Fig. 54 — Charging Chart — 48/50A050 with R-410A Refrigerant
LEGEND
MCHX— Microchannel Heat Exchanger
SST — Saturated Suction Temperature