Midea MRC-24CWN1-M13L, Installation Instructions Manual

Page 1: ...e attempting installation or operation Failure to follow these instructions may result in improper installation adjustment service or maintenance possibly resulting in fire electrical shock property d...

Page 2: ...TABLE OF CONTENTS LIST OF TABLES LIST OF FIGURES...

Page 3: ...e use of unauthorized components accessories or devices may adversely affect the operation of the heat pump and may also endanger life and property The manufacturer disclaimer any responsibility for s...

Page 4: ...ransportation damage 1 1 INSPECTION Refer to Fig 2 2 2 3 for unit physical data and to Table 6 1 6 2 for electrical data If components are to be added to a unit they must meet local codes they are to...

Page 5: ...AUTION Before lifting make sure the unit weight is distributed equally on the rigging cables so it will lift evenly Units may be moved or lifted with a forklift Slotted openings in the base rails are...

Page 6: ...Unit Dimensions Low vlotage entrance 7 8 Dia High voltage conn 1 23 64 Dia Unit size 024 036 The above figure for reference purpose only Hi Lo pressure detected valve 1 4 SAE Side supply air opening S...

Page 7: ...stalled outdoors Over hanging structure or shrubs should not obscure condenser air discharge outlet 2 The minimum clearance without economizer fresh air damper For distance with Economizer fresh air d...

Page 8: ...ventilation air intake Flexible joints may be used in the supply and return duct work to minimize the transmission of noise When fastening duct work to the side duct flanges on the unit insert the sc...

Page 9: ...devices may be either fuses or HACR type circuit breakers Two 1 3 8 knockouts on the back panel are provided for connection of power wiring to electric heater Power wiring is connected to the power te...

Page 10: ...mpartment 6 3 CONTROL WIRING IMPORTANT Class 2 low voltage control wiring SHOULD NOT be run in conduit with main power wiring and must be separated from power wiring unless class 1 wire of proper volt...

Page 11: ...connect Field supplied disconnect Single phase power supply Fig 6 2 Typical Field Power Wiring Diagram R G Y W C R G Y W1 W2 C 24 volt transformer THERMOSTAT UNIT CONTROL BOARD THERMINAL STRIP B wire...

Page 12: ...ic Heat Option Max Fuse2 Breaker3 Size Amps Compressors each 18 7A 0 95A 2 84A 060L 5 0 208 230 1 60 21 5A Volt Size Tons MCA1 Amps 036L 3 0 208 230 1 60 14 0A 70A 024T 2 0 208 230 1 60 9 7A 34 8A 15...

Page 13: ...17 17 17 17 Tube diameter inch 9 32 9 32 9 32 9 32 9 32 9 32 Circuitry type interlaced interlaced interlaced interlaced interlaced interlaced Refrigerant control Orifice Orifice Orifice Orifice Orifi...

Page 14: ...76 360 343 326 1 88 1 81 1 73 1 66 1 58 1251 590 1206 569 1148 541 1080 509 989 466 869 910 949 983 1017 436 416 392 368 340 2 11 2 01 1 91 1 8 1 68 1345 634 1272 600 1192 562 1107 522 980 462 965 995...

Page 15: ...17 CFM L S RPM Watts Amps CFM L S RPM Watts Amps CFM L S RPM Watts Amps CFM L S RPM Watts Amps CFM L S RPM Watts Amps CFM L S RPM Watts Amps CFM L S RPM Watts Amps CFM L S RPM Watts Amps CFM L S RPM...

Page 16: ...53 370 388 414 441 467 493 228 249 270 291 312 333 351 368 386 412 439 465 491 226 247 268 289 310 331 349 366 384 410 437 463 489 224 245 266 287 308 329 347 364 382 408 435 461 487 222 243 264 285 3...

Page 17: ...60 386 411 442 473 504 535 236 256 275 294 314 333 358 384 409 440 471 502 533 234 254 273 292 312 331 356 382 407 438 469 500 531 232 252 271 290 310 329 354 380 405 436 467 498 529 230 250 269 288 3...

Page 18: ...358 376 394 423 451 480 508 225 247 270 293 315 338 358 378 398 425 452 479 506 223 245 268 291 313 336 356 376 396 423 450 477 504 221 243 266 289 311 334 354 374 394 421 448 475 502 219 241 264 287...

Page 19: ...21 342 363 384 405 438 470 503 535 233 254 276 298 319 341 360 379 398 432 466 499 533 231 252 274 296 317 339 358 377 396 430 464 497 531 229 251 272 294 315 337 356 375 394 428 462 495 529 227 249 2...

Page 20: ...onditions If the outdoor ambient temp is 37 4 F and the compressor stopped for more than three hours or the unit powered on once more the crank heater will be on Crankcase heater shut down conditions...

Page 21: ...and T3 is 32 F and last for 40 minutes 2 Compressor keeps running when T4 is 28 4 F and T3 is 32 F and last for 50 minutes When defrosting actions if the electrical heater kit is installed the unit wo...

Page 22: ...and outdoor fan instant OFF Blower fan delay 90 sec OFF 4 way valve instant ON Blower instant ON Compressor and outdoor fan instant ON Compressor and outdoor fan instant OFF Blower fan delay 90 sec O...

Page 23: ...run 4 Turn fan switch to AUTO system switch to COOL and thermostat tem perature setting below room temperature Unit should run in COOLING mode Heating Startup After normal cooling run 1 Turn thermosta...

Page 24: ...24 AC System W iring Diagram GMCC LG compressor 1 2 3 4 6 5 1 2 0...

Page 25: ...25 HP System W iring Diagram GMCC LG compressor 1 2 3 4 6 5 1 2 0 3...