24
175
225
275
325
375
425
475
525
60
70
80
90
100
110
120
130
Li
qui
d Pr
e
ss
u
re
(p
si
g)
Liquid Temperature (°F)
Cooling Mode
(Outdoor Temperature above 60 °F)
Remove Refrigerant if above the curve
Add Refrigerant if below the curve
3 Ton
2 Ton
4 Ton
240
260
280
300
320
340
360
380
75
80
85
90
95
100
105
110
115
Li
qui
d Pr
e
ss
u
re
(p
si
g)
Liquid Temperature (°F)
Heating Mode
(Outdoor Temperature below 60 °F)
Remove Refrigerant if above the curve
Add Refrigerant if below the curve
3 Ton
2 Ton
4 Ton
Figure 9. Charging Charts for iQ Heat Pump