background image

19 

Table 7-12 Refrigerant charge for A/C system 

Table 7-14 Refrigerant charge for H/P system 

Table 7-13 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) 

MRB-60CWN1-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) 

MRB-60H WN1-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) 

MRB-60HWN1-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) 

290

311

333

354

375

396

417

450

482

515

547

288

309

331

352

373

394

415

448

480

513

545

286

307

329

350

371

392

413

446

478

511

543

263

284

305

327

348

369

390

411

444

476

509

541

261

282

303

325

346

367

388

409

442

474

507

539

259

280

301

323

344

365

386

407

440

472

505

537

235

257

278

299

321

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

270

292

313

335

354

373

392

426

460

493

527

225

247

268

290

311

333

352

371

390

424

458

491

525

223

245

266

288

309

331

350

369

388

422

456

489

523

221

243

264

286

307

329

348

367

386

420

454

487

521

219

241

262

284

305

327

346

365

384

418

452

485

519

217

239

260

282

303

325

344

363

382

416

450

483

517

290

311

333

354

377

400

423

450

478

505

532

288

309

331

352

375

398

421

448

476

503

530

286

307

329

350

373

396

419

446

474

501

528

263

284

305

327

348

371

394

417

444

472

499

526

261

282

303

325

346

369

392

415

442

470

497

524

259

280

301

323

344

367

390

413

440

468

495

522

235

257

278

299

321

342

365

388

411

438

466

493

520

228

252

276

300

324

348

368

389

409

436

464

491

518

231

252

274

296

317

339

362

384

407

434

462

489

516

229

251

272

294

315

337

359

382

405

432

460

487

514

227

249

270

292

313

335

357

380

403

430

458

485

512

225

247

268

290

311

333

355

378

401

428

456

483

510

223

245

266

288

309

331

353

376

399

426

454

481

508

223

244

265

286

307

329

351

374

397

424

452

479

506

221

242

263

284

305

327

349

372

395

422

450

477

504

219

240

261

282

303

325

347

370

393

420

448

475

502

333

338

345

354

361

369

375

382

390

397

408

415

321

327

337

346

353

360

368

374

383

391

396

407

312

320

328

338

345

352

361

367

375

384

390

398

301

311

319

329

337

345

353

360

366

375

383

390

289

299

310

318

326

334

346

352

359

366

375

382

276

288

298

309

317

325

335

344

351

358

367

374

266

275

287

297

308

314

326

333

343

350

359

366

257

267

276

289

298

305

315

325

332

342

351

358

249

256

268

277

287

294

306

313

324

333

343

351

240

247

254

269

276

286

295

307

311

325

332

342

256

267

278

287

296

305

314

324

331

258

270

278

286

293

303

315

322

260

267

275

284

295

304

314

261

266

269

285

297

305

258

263

272

280

299

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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