Nortek P7RD-A Series, Installation Instructions Manual

Page: 16 / 20

16
REFRIGERANT CHARGING TAbLES
LEGEND
Shaded boxes indicate flooded conditions.
Rated design values. The suction pressure
will vary from design value if outdoor air
flow, entering dry bulb, or entering wet bulb
temperatures vary.
NOTES:
1. All pressures are listed psig and all temperatures in °F
2. Discharge temperatures greater than charted values
indicate an undercharged system.
Table 4. Charging Table for 2 Ton Units (024K Series)
Suct.
Press.
OUTDOOR TEMPERATURE (° F)
70 75 80 85 90 95 100 105
Liq.
Press.
Dis.
Temp.
Liq.
Press.
Dis.
Temp.
Liq.
Press.
Dis.
Temp.
Liq.
Press.
Dis.
Temp.
Liq.
Press.
Dis.
Temp.
Liq.
Press.
Dis.
Temp.
Liq.
Press.
Dis.
Temp.
Liq.
Press.
Dis.
Temp.
128 251 121
130 253 126 273 127
132 255 131 276 132 296 133
134 258 134 278 137
298 138
319 139
136 262 137 281 140 301 143
321 144
342 146
138 285 143
304 146
323 149
344 150
365 152
140 307 150
327 152
346 154 367 156 387 158
142 330 156
349 158
369 160 389 162 410 164
144 334 160 353 162 372 164 391 166
412 168
146 356 166 376 168 395 170 414 171
148 379 172 398 174
418 176
150 402 179 421 180
152 424 185
154
Table 5. Charging Table for 2.5 Ton Units (030K Series)
Suct.
Press.
OUTDOOR TEMPERATURE (° F)
70 75 80 85 90 95 100 105
Liq.
Press.
Dis.
Temp.
Liq.
Press.
Dis.
Temp.
Liq.
Press.
Dis.
Temp.
Liq.
Press.
Dis.
Temp.
Liq.
Press.
Dis.
Temp.
Liq.
Press.
Dis.
Temp.
Liq.
Press.
Dis.
Temp.
Liq.
Press.
Dis.
Temp.
132 271 133
134 273 139 294 138
136 275 144 296 143 317 143
138 280 143 298 148
319 148
340 148
140 284 146 303 149 321 152
343 152
364 153
142 307 152
326 155
345 157
366 157
387 158
144 329 158
349 160
368 161 389 162 410 163
146 352 164
372 165
391 166 412 167 434 168
148 356 167 375 169 395 170 414 171
436 172
150 379 173 398 174 417 175 438 176
152 401 178 421 179
440 180
154 424 184 444 184
156 447 189
158