Nordyne R-410A Heating System User Manual


 
15
Refrigerant Charging Charts for
Cooling Mode of Operation - Continued
Figure 14. Charging Chart for 5 ton Units
200
225
250
275
300
325
350
375
400
425
450
475
500
525
550
575
600
70 75 80 85 90 95 100 105 110 115 120 125 130 135 140
LIQUID PRESSURE (PSIG)
LIQUID TEMPERATURE (F)
Q5RF-X60K COOLING CHARGING CHART
Remove refrigerant when above curve
Add refrigerant when below curve
Figure 13. Charging Chart for 4 ton Units
200
225
250
275
300
325
350
375
400
425
450
475
500
525
550
575
600
70 75 80 85 90 95 100 105 110 115 120 125 130 135 140
LIQUID PRESSURE (PSIG)
LIQUID TEMPERATURE (F)
Q5RF-X48K CHARGING CHART
Remove refrigerant when above curve
Add refrigerant when below curve