Nortek JS5BD, User Manual

Page: 11 / 20

11
Shaded boxes indicate fl ooded conditions.
Rated design values. The suction pressure will vary from design value if indoor air fl ow, entering dry bulb,
or entering wet bulb temperatures are lower than design.
1. All pressures are listed in psig and all temperatures in ° F
2. Discharge temperatures greater than charted values indicate an undercharged system.
REFRIGERANT CHARGING TABLES
Table 7. Charging Table for JS5BD-030KB Series (2.5 Ton Units with Microchannel Coil)
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.
68 139 94
70 142 100 158 108
72 144 105 160 113 176 120
74 142 118 162 118 178 125 194 133
76 145 121 161 127 180 130 196 137 212 144
78 165 130 180 137 198 142 214 149 230 156
80 184 140 199 147 216 153 232 160 248 167
82 203 151 218 158 234 164 250 171 266 178
84 206 154 222 161 237 168 252 175 268 182
86 225 165 241 173 256 180 270 186
88 244 177 260 184 275 191
90 263 188 279 196
92 282 200
94
Table 8. Charging Table for JS5BD-036KB Series (3 Ton Units with Microchannel Coil)
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.
69 147 99
71 150 105 167 113
73 152 110 169 118 186 126
75 150 124 171 123 188 131 205 139
77 153 126 170 133 190 136 207 144 224 151
79 174 136 190 143 209 148 226 156 243 163
81 194 146 210 153 228 160 245 168 262 175
83 214 157 230 164 247 172 264 179 281 186
85 217 161 234 168 251 176 266 183 283 190
87 237 172 254 180 271 187 285 194
89 257 184 274 192 291 199
91 277 196 294 204
93 297 208
95