Carrier Gemini 38AU Series Installation, Start-Up And Service Instructions Manual page 27

7.5 Ton 2-Stage Charging Chart R-410A Refrigerant
60
140
54
120
48
Add Charge if
42
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
Pressure at Liquid Valve (PSIG/Kpa)
Fig. 27 — 38AUZD/E08 Charging Chart (RTPF)
Remove Charge if
Below the Curve
250 300 350 400 450
2100 2450 2800 3150 3500
27
500 550 600
3850
38AU000761 A