Carrier 48/50PD05 User Manual

42Table 18 — Pressure (psig) vs. Voltage Drop Values for Suction Pressure TransducersPRESSURE(psig)VOLTAGEDROP (V)PRESSURE(psig)VOLTAGEDROP (V)PRESSURE(psig)VOLTAGEDROP (V)PRESSURE(psig)VOLTAGEDROP (V)0 0.465 68 1.135 136 1.804 204 2.4742 0.485 70 1.154 138 1.824 206 2.4934 0.505 72 1.174 140 1.844 208 2.5136 0.524 74 1.194 142 1.863 210 2.5338 0.544 76 1.214 144 1.883 212 2.55310 0.564 78 1.233 146 1.903 214 2.57212 0.583 80 1.253 148 1.922 216 2.59214 0.603 82 1.273 150 1.942 218 2.61216 0.623 84 1.292 152 1.962 220 2.63118 0.642 86 1.312 154 1.982 222 2.65120 0.662 88 1.332 156 2.001 224 2.67122 0.682 90 1.351 158 2.021 226 2.69024 0.702 92 1.371 160 2.041 228 2.71026 0.721 94 1.391 162 2.060 230 2.73028 0.741 96 1.410 164 2.080 232 2.74930 0.761 98 1.430 166 2.100 234 2.76932 0.780 100 1.450 168 2.119 236 2.78934 0.800 102 1.470 170 2.139 238 2.80936 0.820 104 1.489 172 2.159 240 2.82838 0.839 106 1.509 174 2.178 242 2.84840 0.859 108 1.529 176 2.198 244 2.86842 0.879 110 1.548 178 2.218 246 2.88744 0.898 112 1.568 180 2.237 248 2.90746 0.918 114 1.588 182 2.257 250 2.92748 0.938 116 1.607 184 2.277 252 2.94650 0.958 118 1.627 186 2.297 254 2.96652 0.977 120 1.647 188 2.316 256 2.98654 0.997 122 1.666 190 2.336 258 3.00556 1.017 124 1.686 192 2.356 260 3.02558 1.036 126 1.706 194 2.375 262 3.04560 1.056 128 1.726 196 2.395 264 3.06562 1.076 130 1.745 198 2.415 266 3.08464 1.095 132 1.765 200 2.434 268 3.10466 1.115 134 1.785 202 2.454 270 3.124MAJOR SYSTEM COMPONENTSGeneralThe 48/50PD single package rooftop units contain theComfortLink™ electronic control system that monitors alloperations of the rooftop. The control system is composed ofseveral main control components and available factory-installedoptions or field-installed accessories as listed in sections below.See Fig. 12--14 for the control and power schematics for48/50PD. Fig. 15 shows the layout of the control box, unit, andthermistor and transducer locations for the 48/50PD.48/50PD