Page 31
TABLE 9
LGT/LCT102 581115-01
Normal Operating Pressures
Outdoor Coil Entering Air Temperature
o
Suct
(psig)
Disc
(psig)
Suct
(psig)
Disc
(psig)
Suct
(psig)
Disc
(psig)
Suct
(psig)
Disc
(psig)
Suct
(psig)
Disc
(psig)
Suct
(psig)
Disc
(psig)
Circuit 1 228 111 266 114 312 116 362 118 119
231 119 122 312 363 129
133 239 314 143 366 146 423 148
319 163 166 423 169
Circuit 2 124 243 126 128 383 132 448
132 249 134 136 331 139 142 449 144
261 294 388 161 449 164
341 183 448 186
70
80
90
100
110
120
Suction Pressure (psig)
Outdoor Temperature (°F)
115°
105°
95°
85°
75°
65°
Charging Curves
60
100 110120 130 140 150160 170180 190
Circuit 1
Circuit 2