AHI Carrier Catalog | Page 175

AIR-COOLED LIQUID CHILLERS 30XA 252-1702 Electrical data, sizes 252 to 852 Standard unit or with option 81 30XA 252 302 352 402 452 502 602 702 752 802 852 Power circuit Nominal power supply V-ph-Hz Control circuit 400-3-50 ± 10% 24 V via internal transformer Circuit 1** A 269 269 287 402 505 505 574 606 773 803 805 Circuit 2** A - - - - - - - - - - - Option 81 A - - - - - - - - - - - Nominal start-up current*** Circuit 1** A 245 245 262 378 480 480 536 562 735 759 761 Circu it 2** A - - - - - - - - - - - Option 81 A - - - - - - - - - - - Cosine Phi (maximum)**** 0.88 0.88 0.88 0.88 0.88 0.88 0.88 0.88 0.86 0.86 0.87 Cosine Phi (nominal)† 0.85 0.85 0.84 0.84 0.85 0.85 0.85 0.85 0.83 0.84 0.84 COOLING Maximum start-up current* Maximum power input‡ Circuit 1** kW 121 131 141 165 185 204 247 267 293 312 343 Circuit 2** kW - - - - - - - - - - - Option 81 kW - - - - - - - - - - - Nominal unit current draw† Circuit 1** A 151 167 184 210 242 268 325 352 408 433 453 Circuit 2** A - - - - - - - - - - - Option 81 A - - - - - - - - - - - A 198 215 233 270 303 335 404 436 492 522 572 A - - - - - - - - - - - Option 81 A - - - - - - - - - - - 182 196 211 242 272 305 364 397 448 479 531 Option 231 Maximum unit current draw (Un – 10%)**** Circuit 1** A 208 232 251 290 326 360 435 469 529 561 615 Circuit 2** A - - - - - - - - - - - Option 81 A - - - - - - - - - - - Instantaneous start-up current (operating current of the smallest compressor + fan current + locked rotor current in star connection of the largest compressor). Values obtained at operation with maximum unit power input. ** 30XA 1402 to 1702 units: circuit 1 supplies circuits A and B, circuit 2 supplies circuits C and D. 30XA 1112, 1212, 1312 and 1382 units: circuit 1 supplies circuit A, circuit 2 supplies circuit B. *** Instantaneous start-up current (operating current of the smallest compressor + fan current + locked rotor current in star connection of the largest compressor). Values obtained at standard Eurovent unit operating conditions: air 35 °C, water 12/7 °C. **** Values obtained at operation with maximum unit power input. † Values obtained at standard Eurovent unit operating conditions: air 35 °C, water 12/7 °C ‡ Values obtained at operation with maximum unit power input. Values given on the unit name plate Notes: 1. Unit sizes 30XA 1112, 1212, 1312, 1382, 1402 to 1702 have two power connection points. CONTROLS * AIR TREATMENT Circuit 1** Circuit 2** HEATING HEATING Maximum unit current draw (Un)‡ C A R R I E R 2 0 1 6 / 2 0 1 7 175