Nortek FT4BE-K - Page 12

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75 80 85 90 95 100 105 110 115 120125 130 135
3 Ton Charging Chart - Cooling
Liquid Temperature (
0
F)
Liquid Pressure (psig)
Remove refrigerant when the above curve
Add refrigerant when below the curve
Figure 8. Charging Chart for 3 Ton Units (TXV Matches)
200
220
240
260
280
300
320
340
360
380
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460
480
500
520
540
560
580
600
75 80 85 90 95 100 105 110115 120 125 130 135
Liquid Temperature (
0
F)
Liquid Pressure (psig)
Remove refrigerant when the above curve
Add refrigerant when below the curve
3.5 Ton Charging Chart - Cooling
Figure 9. Charging Chart for 3.5 Ton Units (TXV Matches)