Reznor Q6SP Unit Installation Manual - Manual (Page 27)

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Figure 13. charging chart for 7 1/2 ton units
160
180
200
220
240
260
280
300
320
340
360
380
400
420
440
460
480
500
520
540
560
580
50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135
Li
qui
d Pr
essu
re
(p
sig
)
Liquid Temp (° F)
Add refrigerant when below curve
Remove refrigerant when above curve
Q6SP-090* - Charging Chart - Cooling Mode
Two refrigerant circuit system - See Application Notes for use
Figure 14. charging chart for 10 ton units
180
200
220
240
260
280
300
320
340
360
380
400
420
440
460
480
500
520
540
560
580
50 55 60 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135
Li
quid Pr
es
sure (p
sig
)
Add refrigerant when below curve
Remove refrigerant when above curve
Liquid Temp (° F)
Q6SP-120* - Charging Chart - Cooling Mode
Two refrigerant circuit system - See Application Notes for use