Table of Contents
Advertisement
5168274-BIM-I-1121
Charging The Unit
Figure 20: XA-15 (15 Ton) Charging Chart
550
500
450
400
350
300
250
200
Figure 21: XA-20 (20 Ton) Charging Chart
40
15-Ton Charging Chart
550
500
450
400
350
300
250
200
100
110
120
Suction Pressure (psi)
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.
20-Ton Charging Chart
100
110
120
1. Make sure that all four condenser fans are running when charging. Two fans 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.
Cooling mode
130
140
Cooling mode
130
140
150
Suction Pressure (psi)
Outdoor Temp (ºF)
115º
105º
95º
85º
75º
65º
150
160
170
Outdoor Temp (ºF)
115º
105º
95º
85º
75º
65º
160
170
Johnson Controls Ducted Systems
Advertisement
Table of Contents
