25 and 27 ton mchx circuit a charging chart, 25 and 27 ton mchx circuit b charging chart – Carrier WEATHERMAKER 48/50AJ User Manual
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134
Fig. 45 — Charging Chart — 48/50A2,A3,A4,A5025 and 027 with R-410A Refrigerant
LEGEND
MCHX— Microchannel Heat Exchanger
SST
— Saturated Suction Temperature
25 and 27 Ton MCHX CIRCUIT A Charging Chart
All Compressors on a Circuit M ust be Operating
All Outdoor Fans M ust 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)
Sa
tu
ra
ted Conden
s
ing Temper
a
tu
re (deg F)
Reduce Charge if Above Curve
Add Charge if Below Curve
S S T= 4 5 F
S S T= 5 5 F
S S T= 3 5 F
25 and 27 Ton MCHX CIRCUIT B Charging Chart
All Compressors on a Circuit M ust be Operating
All Outdoor Fans M ust 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)
Sa
tu
ra
ted Conden
s
ing Temper
a
tu
re (deg F)
Reduce Charge if Above Curve
Add Charge if Below Curve
S S T= 4 5 F
S S T= 5 5 F
S S T= 3 5 F
a48-8402