York 20 Series - Charging Chart - 20 Ton; Charging Chart - 25 Ton

349215-JIM-B-1008
Johnson Controls Unitary Products 43
FIGURE 19 - CHARGING CHART - 20 TON
20 Ton Char
g
in
g
Chart
100
150
200
250
300
350
400
60 65 70 75 80 85 90 95 100
Suction Pressure (psi)
Discharge Pressure (psi)
115°
105°
95°
85°
75°
65°
Outdoor Temp (°F)
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.
FIGURE 20 - CHARGING CHART - 25 TON
25 Ton Char
g
in
g
Chart
100
150
200
250
300
350
400
60 65 70 75 80 85 90 95 100
Suction Pressure (psi)
Discharge Pressure (psi)
115°
1
05°
95°
85°
75°
65°
Outdoor Temp (°F)
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.