175244-BIM-A-0706
44
Unitary Products Group
FIGURE 17 - CHARGING CHART - WW-15
15 Ton Charging Chart
140
160
180
200
220
240
260
280
300
320
340
60
65
70
75
80
85
90
95
100
Suction Pressure (psi)
Discharge Pressure (psi)
115º
105º
95º
85º
Outdoor Temp
(ºF)
1. Make sure that both condenser fans are running when charging. One fan may switch off at lower
ambient temperatures making the chart above inaccurate.
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.
75º
65º
FIGURE 18 - CHARGING CHART - WW-20
20 Ton Charging Chart
140
160
180
200
220
240
260
280
300
320
340
60
65
70
75
80
85
90
95
Suction Pressure (psi)
Discharge Pressure (psi)
115º
105º
95º
85º
Outdoor Temp
(ºF)
1. Make sure that both condenser fans are running when charging. One fan may switch off at lower
ambient temperatures making the chart above inaccurate.
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.
75º
65º
