background image

16 

Table 7-3 Refrigerant charge for A/C system

55 60 65 70 75 80  85 90 95 100 105 

110 115 

165 
161 
157 
153 
149 
145 
141 
137 
133 
129 
125 
121 
117 
113 
109 
105 

Table 7-4 Refrigerant charge for H/P system

Table 7-5 Refrigerant charge for H/P system

60 62 64 66 68  70 72 74 76 78 80  82 

135 
128 
121 
114 
107 
100 

93 
86 
79 
72 
65 
58 
51 
44 
37 
30 

Low Pressure Detected Valve(psig) 

Vanne Détectée de Pression Basse(en psig)

MRC-24HWN1-M13T 

Heating Charge Chart/Tableau De Charge de Chauffage 

Heating Mode 

Indoor Dry Bulb Temperature(

o

F)/Temperature Interieur au Themometre sec(en 

o

F) 

MRC-24CWN1-M13T 

Cooling Charge Chart/Tableau De Charge de Refroidissement 

Cooling Mode 

Outdoor Ambient Temperature(

o

F)/Temperature Amdiante Exterieure(en 

o

F) 

Mode 

De Chauffage 

High Pressure Detected Valve(psig)/Vanne Détecté de Pression Haute(en psig) 

Mode 

De Refroidissement 

High Pressure Detected Valve(psig)/Vanne Détecté de Pression Haute(en psig) 

Low Pressure Detected Valve(psig) 

Vanne Détectée de Pression Basse(en psig) 

55 60 65 70 75 80  85 90 95 100 105 

110 115 

165 
161 
157 
153 
149 
145 
141 
137 
133 
129 
125 
121 
117 
113 
109 
105 

MRC-24HWN1-M13T 

Cooling Charge Chart/Tableau De Charge de Refroidissement 

Cooling Mode 

Outdoor Ambient Temperature(

o

F)/Temperature Amdiante Exterieure(en 

o

F) 

Mode 

De Refroidissement 

High Pressure Detected Valve(psig)/Vanne Détecté de Pression Haute(en psig) 

Low Pressure Detected Valve(psig) 

Vanne Détectée de Pression Basse(en psig) 

284

304

325

345

365

385

405

430

455

480

505

282

302

323

343

363

383

403

428

453

478

503

280

300

321

341

361

381

401

426

451

476

501

258

278

298

319

339

359

379

399

424

449

474

499

256

276

296

317

337

357

377

397

422

447

472

497

253

274

295

316

337

355

372

390

416

443

469

495

230

251

272

293

314

335

353

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

306

327

345

362

380

406

433

459

485

220

241

262

283

304

325

343

360

378

404

431

457

483

218

239

260

281

302

323

341

358

376

402

429

455

481

216

237

258

279

300

321

339

356

374

400

427

453

479

214

235

256

277

298

319

337

354

372

398

425

451

477

212

233

254

275

296

317

335

352

370

396

423

449

475

284

305

326

347

367

386

406

431

456

480

505

282

303

324

345

365

384

404

429

454

478

503

280

301

322

343

363

382

402

427

452

476

501

257

278

299

320

341

361

380

400

425

450

474

499

255

276

297

318

339

359

378

398

423

448

472

497

253

274

295

316

337

356

376

395

420

445

470

495

230

251

272

293

314

335

354

374

393

418

443

468

493

228

249

270

291

312

333

352

372

391

416

441

466

491

226

247

268

289

310

331

350

370

389

414

439

464

489

224

245

266

287

308

329

348

368

387

412

437

462

487

222

243

264

285

306

327

346

366

385

410

435

460

485

220

241

262

283

304

325

344

364

383

408

433

458

483

218

239

260

281

302

323

342

362

381

406

431

456

481

216

237

258

279

300

321

340

360

379

404

429

454

479

214

235

256

277

298

319

338

358

377

402

427

452

477

209

230

252

274

295

317

336

356

375

400

425

450

475

341

349

356

361

368

375

383

389

393

398

404

409

330

342

350

356

362

369

375

381

387

391

396

401

316

324

343

349

354

362

367

374

380

385

392

396

305

312

325

339

347

356

361

368

373

378

383

388

297

301

312

327

340

349

354

361

367

372

377

383

283

289

301

316

333

342

348

354

359

363

370

375

274

281

290

301

322

331

339

345

352

358

363

369

261

276

284

290

307

320

325

336

341

350

356

361

256

272

281

290

302

311

317

326

331

340

347

352

241

251

262

272

280

294

310

317

323

331

340

346

231

240

250

262

271

283

296

308

312

320

329

339

261

270

277

298

309

313

318

325

262

271

278

297

302

308

316

262

268

277

289

294

308

259

263

274

288

296

Содержание MRC-24CWN1-M13L

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

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

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