500
480
460
Remove refrigerant when above curve
440
420
400
380
360
340
320
300
280
260
240
220
60
65
70
Figure 18. Charging Chart for 3 Ton Units
520
500
480
Remove refrigerant when above curve
460
440
420
400
380
360
340
320
300
280
80
85
90
Figure 19. Charging Chart for 3.5 Ton Units
3 TON CHARGING CHART
75
80
85
90
Liquid Temperature (F)
3.5 TON CHARGING CHART
95
100
105
Liquid Temperature (F)
Add refrigerant when below curve
95
100
105
110
Add refrigerant when below curve
110
115
120
115 120
125
130
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