Carrier 48FC M20 Series Service And Maintenance Instructions page 24

Single package rooftop gas heat/electric cooling unit with puron (r-410a) refrigerant 17.5-27.5 nominal tons
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COOLING CHARGING CHARTS
25 Ton Entry Tier Humidi-MiZer R-410A — Charging Chart
(Unit must run in subcooling mode)
59.9
140
Add charge if Above Curve
48.8
120
37.7
100
26.6
80
15.5
60
4.4
40
-6.7
20
150
200
1034
1379
Fig. 29 — Cooling Charging Chart with Humidi-MiZer System — 25 Ton
Remove Charge if Below the Curve
250
300
350
1723
2068
2413
Compressor Discharge Pressure (psig/kPa)
24
400
450
500
2758
3102
3447
3792
50HE003863
550
600
4136

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