Carrier 48FC M20 Series Service And Maintenance Instructions page 20

25 Ton Entry Tier R-410A — Charging Chart
(Unit must have both compressors and outdoor fans on high speed)
59.9 140
48.8 120
37.7 100
26.6 80
15.5 60
4.4 40
-6.7 20
150 200
1034 1379
Fig. 25 — Cooling Charging Chart — 25 Ton
COOLING CHARGING CHARTS
Add charge if Above Curve
Remove Charge if Below the Curve
250 300 350
1723 2068 2413
Compressor Discharge Pressure (psig/kPa)
20
400 450 500
2758 3102 3447 3792
50HE003859
550 600
4136
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