Carrier WeatherExpert 48N2 Controls, Start-Up, Operation, Service, And Troubleshooting page 183

Packaged rooftop cooling units with gas heat, optional electric heat, or hydronic heat and comfortlink controls version 10.x
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155
145
135
125
115
105
95
85
75
65
50
40
40
40
Fig. 76 — Charging Chart — 150 Ton Standard Capacity, Standard Efficiency
155
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125
115
105
95
85
75
65
50
40
40
40
Fig. 77 — Charging Chart — 150 Ton High Capacity, Standard Efficiency
REDUCE CHARGE IF ABOVE
60
70
OUTDOOR AIR TEMPERATURE (F)
REDUCE CHARGE IF ABOVE
70
80
60
OUTDOOR AIR TEMPERATURE (F)
183
ADD CHARGE IF BELOW CURVE
80
90
100
ADD CHARGE IF BELOW CURVE
90
100
55 SST
45 SST
35 SST
110
120
55 SST
45 SST
35 SST
110
120

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