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600
575
Remove refrigerant when above curve
550
525
500
475
450
425
400
375
350
325
300
275
250
75
80
note: Do not add or remove refrigerant if pressure reading is between the curves.
600
575
Remove refrigerant when above curve
550
525
500
475
450
425
400
375
350
325
300
275
250
70
75
S4QD-036KA / KB Charging Chart
85
90
95
100
Liquid Temperature ( ° F)
Figure 4. charging chart for 3 ton units
S4QD-042KA Charging Chart
80
85
90
95
Liquid Temperature ( ° F)
Figure 5. charging chart for 3.5 ton units
Add refrigerant when below curve
105
110
115
120
Add refrigerant when below curve
100
105
110
115
125
130
135
120
125
130
11
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