Cooling charging curves – Johnson Controls SA PD 180 THRU 240 User Manual
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Johnson Controls Unitary Products
Figure 13: PC180 Charging Chart
Figure 14: PD180 Charging Chart
Cooling Charging Curves
PC180
200
300
400
500
600
120
130
140
150
160
170
180
Suction Pressure (psi)
Discharge Pressure (psi)
1. Make sure that all condenser fans are running when charging.
2. This chart is applicable to unit with the TXV’s left to the factory setting. If the TXV’s have been
adjusted in the field, the charging chart may no longer apply.
115°
95°
65°
75°
85°
105°
Outdoor Air Entering Condenser (F)
Cooling Charging Curves
PD180
200
300
400
500
600
120
130
140
150
160
170
180
Suction Pressure (psi)
Discharge Pressure (psi)
Outdoor Air Entering Condenser (F)
1. Make sure that all condenser fans are running when charging.
2. This chart is applicable to unit with the TXV’s left to the factory setting. If the TXV’s have been
adjusted in the field, the charging chart may no longer apply.
115°
105°
95°
75°
85°
65°