Nortek FS4BD-KA - Page 11

11
NOTE: Do not add or remove refrigerant if pressure reading is between the curves.
Figure 8. Charging Chart for S4BD-048 Series (4 Ton Units) - TXV Matches
250
275
300
325
350
375
400
425
450
475
500
525
550
575
600
70 75 80 85 90 95 100105 110 115120 12
51
30
Liquid Temperature (F)
Liquid Pressure (psig)
Remove refrigerant when above the curve
Add refrigerant when below the curve
Figure 9. Charging Chart for S4BD-060 Series (5 Ton Units) - TXV Matches
250
275
300
325
350
375
400
425
450
475
500
525
550
575
600
70 75 80 85 90 95 100105 110 115 120 125130
Liquid Temperature (F)
Liquid Pressure (psig)
Remove refrigerant when above the curve
Add refrigerant when below the curve