Fig. 23 — Cooling Charging Chart — 17.5 Ton
-6.7
4.4
15.5
26.6
37.7
48.8
59.9
20
40
60
80
100
120
140
150 200 250 300 350 400 450 500 550 600
1034 1379 1723 2068 2413 2758 3102 3447 3792 4136
Outdoor Coil Leaving Temperature (°C/°F)
Compressor Discharge Pressure (psig/kPa)
17.5 Ton Entry Tier R-410A — Charging Chart
(Unit must have both compressors and outdoor fans on high speed)  
50HE003857
–
Remove Charge if Below the Curve
Add charge if Above Curve