background image

17 

Table 7-6 Refrigerant charge for A/C system 

Table 7-7 Refrigerant charge for H/P system 

Table 7-8 Refrigerant charge for H/P 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 

Mode 

De Refroidissement 

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

Low P

res

su

re Det

ec

ted V

alv

e(ps

ig) 

V

anne Dét

ec

tée de P

res

si

on B

as

se(en ps

ig) 

MRC-36CWN1-M13L 

Cooling Charge Chart/Tableau De Charge de Refroidissement 

Cooling Mode 

Outdoor Ambient Temperature(

o

F)/Temperature Amdiante Exterieure(en 

o

F) 

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 

Mode 

De Refroidissement 

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

Low P

res

su

re Det

ec

ted V

alv

e(ps

ig) 

V

anne Dét

ec

tée de P

res

si

on B

as

se

(en ps

ig) 

MRC-36HWN1-M13L 

Cooling Charge Chart/Tableau De Charge de Refroidissement 

Cooling Mode 

Outdoor Ambient Temperature(

o

F)/Temperature Amdiante Exterieure(en 

o

F) 

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 

Mode 

De Chauffage 

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

Low P

res

su

re Det

ec

ted V

alv

e(ps

ig) 

V

anne Dét

ec

tée de P

res

si

on B

as

se(en ps

ig) 

MRC-36HWN1-M13L 

Heating Charge Chart/Tableau De Charge de Chauffage 

Heating Mode 

Indoor Dry Bulb Temperature(

o

F)/Temperature Interieur au Themometre sec(en 

o

F) 

289

308

328

347

372

398

423

454

485

516

547

287

306

326

345

370

396

421

452

483

514

545

285

304

324

343

368

394

419

450

481

512

543

264

283

302

322

341

366

392

417

448

479

510

541

262

281

300

320

339

364

390

415

446

477

508

539

260

279

298

318

337

362

388

413

444

475

506

537

238

258

277

296

316

335

360

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

308

327

352

378

403

434

465

496

527

228

248

267

286

306

325

350

376

401

432

463

494

525

226

246

265

284

304

323

348

374

399

430

461

492

523

224

244

263

282

302

321

346

372

397

428

459

490

521

222

242

261

280

300

319

344

370

395

426

457

488

519

220

240

259

278

298

317

342

368

393

424

455

486

517

298

322

345

369

388

408

427

458

488

519

549

296

320

343

367

386

406

425

456

486

517

547

294

318

341

365

384

404

423

454

484

515

545

268

292

316

339

363

382

402

421

452

482

513

543

266

290

314

337

361

380

400

419

450

480

511

541

264

288

312

335

359

378

397

416

447

478

508

539

239

263

286

309

333

356

375

395

414

445

476

506

537

237

261

284

307

331

354

373

393

412

443

474

504

535

235

259

282

305

329

352

371

391

410

441

472

502

533

233

257

280

303

327

350

369

389

408

439

470

500

531

231

255

278

301

325

348

367

387

406

437

468

498

529

229

253

276

299

323

346

365

385

404

435

466

496

527

227

251

274

297

321

344

363

383

402

433

464

494

525

224

247

271

295

318

342

361

381

400

431

462

492

523

222

245

269

293

316

340

359

379

398

429

460

490

521

220

243

267

291

314

338

357

377

396

427

458

488

519

328

341

350

358

364

367

372

378

383

387

393

401

322

331

342

350

357

360

365

371

376

381

386

392

313

320

333

341

346

352

360

365

371

376

379

386

305

314

325

332

340

347

353

359

366

372

377

380

296

306

314

323

330

340

346

352

358

365

372

376

288

294

303

311

319

332

339

345

351

358

364

368

280

285

296

303

311

323

330

337

345

352

357

361

271

278

284

292

303

312

321

328

335

344

353

356

263

267

271

280

291

302

311

319

324

336

341

347

251

256

260

268

279

291

303

310

315

318

329

338

241

245

249

254

261

277

285

292

304

309

318

326

252

265

276

282

296

302

311

318

254

262

268

284

289

301

310

255

260

269

273

288

295

254

261

265

275

282

Summary of Contents for MRC-24CWN1-M13L

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...

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