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WSHP-SVN08B-EN 21
Table OP-1: Operating Pressures
GENERAL: There are many variables (airflow, air temperatures) in an air conditioning system that will affect operating re-
frigerant pressures and temperatures. The chart below shows approximate conditions and is based on air flow at the rated
SCFM, entering air at 80.6 °FDB, 66.2 °FWB in cooling, 68 °FDB in heating. (+)Heating data with 35 °F EWT is based on the
use of an anti-freeze solution having a freezing point 20 °F lower than the minimum expected entering temperature.
Operating Data
Model
Entering
Water
Temp, °F
Water
Flow
GPM
Cooling Heating
Suction
Pressure,
PSIG
Discharge
Pressure,
PSIG
Water
Temp
Rise, °F
Air Temp
Drop,
°FDB
Suction
Pressure,
PSIG
Discharge
Pressure,
PSIG
Water
Temp
Drop, °F
Air Temp
Rise,
°FDB
GET 009 35 1.8 46 - 52 158 - 201 5 - 6 11 - 15
GET 009 35 2.25 46 - 53 159 - 203 4 - 5 12 - 15
GET 009 45 1.8 68 - 78 100 - 127 11 - 14 11 - 15 55 - 63 171 - 218 6 - 7 13 - 17
GET 009 45 2.25 68 - 78 97 - 123 9 - 11 12 - 15 56 - 65 172 - 219 5 - 6 14 - 18
GET 009 55 1.8 70 - 80 117 - 148 11 - 14 11 - 14 65 - 75 182 - 231 7 - 9 15 - 19
GET 009 55 2.25 70 - 80 113 - 144 9 - 11 12 - 15 66 - 76 183 - 233 6 - 7 16 - 20
GET 009 68 1.8 73 - 84 142 - 180 10 - 13 11 - 14 78 - 90 193 - 246 8 - 10 18 - 22
GET 009 68 2.25 73 - 84 138 - 176 9 - 11 12 - 15 79 - 91 195 - 248 7 - 9 18 - 23
GET 009 75 1.8 75 - 86 157 - 199 10 - 13 11 - 14 85 - 98 201 - 256 9 - 11 19 - 24
GET 009 75 2.25 74 - 86 153 - 195 8 - 11 11 - 15 87 - 100 202 - 257 7 - 9 19 - 25
GET 009 86 1.8 77 - 88 183 - 233 10 - 13 11 - 14 96 - 110 208 - 265 10 - 13 21 - 26
GET 009 86 2.25 76 - 88 179 - 227 8 - 11 11 - 15 98 - 113 209 - 266 8 - 10 21 - 27
GET 009 95 1.8 78 - 90 206 - 262 10 - 13 11 - 14
GET 009 95 2.25 78 - 90 202 - 257 8 - 10 11 - 14
GET 012 35 2.5 44 - 50 160 - 204 5 - 6 19 - 24
GET 012 35 3.1 45 - 51 162 - 206 4 - 5 19 - 24
GET 012 45 2.5 68 - 78 106 - 135 10 - 13 18 - 23 54 - 62 170 - 217 5 - 7 21 - 27
GET 012 45 3.1 67 - 77 102 - 130 9 - 11 19 - 24 55 - 63 172 - 219 4 - 6 22 - 27
GET 012 55 2.5 72 - 83 124 - 158 10 - 13 18 - 23 64 - 74 181 - 230 6 - 8 24 - 31
GET 012 55 3.1 71 - 82 120 - 153 9 - 11 18 - 23 65 - 75 182 - 232 5 - 7 25 - 31
GET 012 68 2.5 74 - 86 152 - 193 10 - 13 17 - 22 75 - 86 192 - 245 7 - 9 27 - 35
GET 012 68 3.1 74 - 85 147 - 187 8 - 11 18 - 23 76 - 87 194 - 247 6 - 8 28 - 36
GET 012 75 2.5 76 - 87 168 - 213 10 - 13 17 - 21 79 - 90 196 - 250 8 - 10 29 - 37
GET 012 75 3.1 75 - 86 163 - 207 8 - 10 17 - 22 79 - 91 198 - 252 6 - 8 29 - 37
GET 012 86 2.5 77 - 89 195 - 248 10 - 12 16 - 20 84 - 96 203 - 258 8 - 11 30 - 39
GET 012 86 3.1 77 - 88 190 - 242 8 - 10 16 - 21 85 - 97 204 - 260 7 - 9 31 - 39
GET 012 95 2.5 79 - 91 219 - 279 9 - 12 15 - 19
GET 012 95 3.1 78 - 90 214 - 273 8 - 10 15 - 19
GET 015 35 2.8 42 - 49 161 - 204 5 - 7 16 - 20
GET 015 35 3.5 44 - 51 163 - 208 4 - 6 16 - 20
GET 015 45 2.8 71 - 81 100 - 127 12 - 15 16 - 20 51 - 59 171 - 217 6 - 8 18 - 23
GET 015 45 3.5 71 - 81 97 - 124 10 - 12 16 - 21 53 - 61 174 - 221 5 - 7 19 - 24
GET 015 55 2.8 73 - 84 116 - 147 12 - 15 16 - 20 61 - 70 181 - 231 8 - 10 21 - 26
GET 015 55 3.5 73 - 84 112 - 143 10 - 12 16 - 20 63 - 72 184 - 234 6 - 8 21 - 27
GET 015 68 2.8 75 - 86 141 - 179 12 - 15 15 - 20 75 - 87 195 - 249 9 - 12 24 - 31
GET 015 68 3.5 74 - 86 137 - 174 10 - 12 16 - 20 77 - 89 198 - 252 7 - 9 25 - 31
GET 015 75 2.8 75 - 86 156 - 199 12 - 15 15 - 19 83 - 95 203 - 258 10 - 13 26 - 33
GET 015 75 3.5 75 - 86 152 - 194 10 - 12 15 - 19 84 - 97 205 - 261 8 - 10 26 - 34
GET 015 86 2.8 76 - 87 184 - 234 12 - 15 14 - 18 92 - 106 211 - 269 11 - 14 28 - 36
GET 015 86 3.5 76 - 87 179 - 228 9 - 12 15 - 19 94 - 108 214 - 272 9 - 12 29 - 37
GET 015 95 2.8 77 - 88 208 - 265 11 - 14 14 - 18
GET 015 95 3.5 77 - 88 203 - 258 9 - 12 14 - 18
Operating Pressures