Carrier Gemini 38AU Series Installation, Start-Up And Service Instructions Manual page 23

7.5 Ton Charging Chart R-410A Refrigerant
60 140
54
120
48
Add Charge if Add Charge if
42
Above the Curve Above the Curve
100
36
30
80
24
18
60
12
6
40
0
-6 20
50 100 150 200
350 700 1050 1400 1750 2100 2450 2800 3150 3500 3850
Pressure at Liquid Valve (PSIG / Kpa)
Fig. 23 — 38AUZA/B08 Charging Chart (RTPF)
Remove Charge if Remove Charge if
Below the Curve Below the Curve
250 300 350 400 450
23
500 550 600
38AU501046 C