Operating instructions

13
Figure 7b. Charging Pressure Charts
Cooling Cycle
Equipment Built Prior To 1994
IMPORTANT
To determine desired pressures, exact inside and outside temperatures must be measured.
Outdoor Air (F°)
Suction Pressure
(PSIG)
Head Pressure
(PSIG)
Outdoor Air (F°)
40 50 60 70 80 90
40 50 60 70 80 90
120
110
100
90
80
70
60
50
400
350
300
250
200
150
100
50
80° Air Temp.
70° Air Temp.
90° Air Temp.
60° Air Temp.
80° Air Temp.
70° Air Temp.
90° Air Temp.
60° Air Temp.
Indoor
Temp.
(F°)
Indoor
Temp.
(F°)
90
80
70
90
80
70
60