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Page 10

506294−01

Table 6. CB(X)27UH Air Handler Performance

[in. w.g. − external static pressure expressed in 

inches water gaug

e; cfm − 

cubic feet/minut

e; W − 

watts

]

Size

Air Volume with Motor Watts at 208V

Air Volume with Motor Watts at 230V

.in.

w.g.

Tap 1

Tap 2

Tap 3

Tap 4

Tap 5

Tap 1

Tap 2

Tap 3

Tap 4

Tap 5

cfm

W

cfm

W

cfm

W

cfm

W

cfm

W

cfm

W

cfm

W

cfm

W

cfm

W

cfm

W

018

.00

815

80

810

77

835

86

855

89

1010

137

820

82

815

77

835

84

850

91

1010

140

.10

720

71

700

68

735

76

790

89

980

142

710

71

715

71

735

77

795

89

975

144

.20

580

59

560

58

665

76

755

99

950

153

570

59

580

60

660

77

755

99

950

154

.30

500

63

450

55

610

78

710

101

905

157

505

64

440

58

615

80

715

102

910

160

.40

400

65

350

59

580

87

685

111

870

166

415

67

355

60

575

89

680

112

875

170

.50

365

74

290

60

505

96

640

114

835

176

355

77

300

64

510

99

630

118

850

179

.60

315

75

280

68

445

100

580

124

800

179

320

77

270

71

450

102

575

129

805

183

.70

N/A

N/A

210

71

390

102

515

128

755

187

N/A

N/A

220

72

395

106

525

137

780

192

.80

N/A

N/A

170

71

355

109

470

136

710

194

N/A

N/A

175

76

365

112

485

144

725

200

024

.00

885

89

885

89

930

97

1035

130

1185

184

890

91

895

90

920

99

1040

130

1190

189

.10

755

77

760

77

850

98

995

139

1140

193

785

82

770

78

855

100

1000

142

1145

200

.20

665

73

670

72

820

106

970

148

1100

203

675

76

670

76

820

111

960

152

1110

207

.30

605

77

600

77

775

112

920

154

1070

213

605

80

605

80

780

114

930

156

1085

219

.40

560

84

515

88

725

121

885

165

1025

219

570

88

555

88

745

123

890

166

1035

225

.50

445

95

445

95

675

124

835

171

1000

228

465

99

465

99

670

131

850

172

1010

235

.60

400

98

395

96

570

137

810

179

960

232

405

101

405

101

595

142

815

183

975

246

.70

N/A

N/A

345

101

520

143

705

193

920

242

N/A

N/A

350

106

530

151

710

197

935

248

.80

N/A

N/A

320

106

460

148

625

201

835

254

N/A

N/A

330

112

485

155

660

207

895

260

030

.00

1130

128

1175

142

1230

158

1270

177

1345

208

1145

130

1180

142

1235

161

1280

179

1365

212

.10

1045

118

1065

126

1140

151

1240

183

1345

219

1030

118

1085

130

1155

154

1245

183

1345

223

.20

910

103

950

113

1105

160

1205

193

1305

231

915

105

955

116

1120

164

1205

195

1310

237

.30

730

89

870

117

1050

169

1165

202

1250

238

755

91

885

118

1060

171

1170

207

1265

242

.40

605

93

825

120

1020

176

1115

209

1205

248

655

92

830

124

1030

180

1125

213

1230

254

.50

540

101

725

136

980

181

1085

218

1180

257

550

102

745

136

985

184

1090

223

1195

265

.60

470

106

670

145

930

191

1035

224

1140

262

475

107

670

149

945

195

1050

230

1145

270

.70

N/A

N/A

605

154

835

207

995

235

1105

273

N/A

N/A

620

159

860

213

1005

242

1110

280

.80

N/A

N/A

545

159

785

217

950

245

1055

284

N/A

N/A

560

163

805

223

915

258

1050

295

036

.00

1185

136

1225

149

1320

184

1430

234

1545

293

1180

139

1230

152

1330

191

1440

238

1555

299

.10

1070

125

1125

137

1280

196

1395

244

1515

303

1085

129

1125

141

1195

201

1405

251

1520

313

.20

960

113

1010

130

1240

201

1360

255

1475

314

955

114

1025

132

1260

213

1365

264

1485

325

.30

815

101

970

136

1195

214

1310

265

1430

322

805

105

975

142

1210

219

1330

275

1445

337

.40

750

106

915

148

1155

225

1275

273

1385

334

770

114

930

153

1170

231

1285

283

1405

345

.50

670

119

870

153

1110

231

1240

284

1345

345

670

128

870

159

1120

243

1250

295

1365

357

.60

605

130

825

163

1160

242

1190

290

1315

355

605

134

810

173

1080

249

1210

307

1330

367

.70

555

137

725

177

1125

251

1145

301

1270

359

565

142

725

185

1040

260

1160

313

1285

378

.80

515

142

670

282

970

262

1100

312

1225

369

525

146

675

195

980

276

1120

324

1245

391

042

.00

1475

198

1530

218

1610

251

1705

295

1805

349

1475

200

1530

222

1615

254

1705

300

1815

350

.10

1370

183

1420

207

1545

251

1660

307

1780

364

1360

184

1435

207

1545

255

1665

310

1775

368

.20

1255

172

1305

189

1515

266

1635

322

1750

378

1245

172

1305

190

1515

269

1630

326

1750

384

.30

1090

153

1250

200

1470

278

1600

336

1705

390

1090

155

1255

203

1470

278

1605

343

1715

395

.40

1010

164

1190

210

1430

295

1560

346

1685

407

1020

165

1200

213

1420

300

1565

351

1680

408

.50

955

177

1145

225

1385

310

1510

373

1640

428

955

178

1150

229

1385

314

1520

373

1650

430

.60

885

183

1090

242

1330

319

1475

384

1590

443

915

183

1095

243

1330

324

1480

390

1595

453

.70

N/A

N/A

1005

248

1255

341

1430

401

1565

457

N/A

N/A

1000

254

1265

344

1440

408

1565

468

.80

N/A

N/A

990

260

1200

355

1365

419

1510

473

N/A

N/A

1000

255

1200

362

1375

429

1515

481

048

.00

1440

200

1515

233

1670

304

1690

313

1850

413

1440

202

1525

237

1680

309

1700

319

1860

422

.10

1370

188

1455

224

1650

318

1670

329

1825

421

1370

189

1465

224

1665

324

1685

331

1840

431

.20

1260

173

1425

231

1635

327

1660

337

1825

436

1255

177

1425

235

1650

331

1675

342

1840

443

.30

1120

166

1380

242

1605

343

1630

351

1800

447

1125

167

1380

243

1625

349

1645

358

1815

461

.40

1055

172

1335

260

1565

352

1595

367

1770

462

1055

177

1335

262

1585

358

1605

373

1780

471

.50

960

190

1295

273

1530

372

1555

377

1735

479

970

194

1290

278

1535

378

1570

385

1745

490

.60

895

195

1230

285

1490

389

1510

401

1695

489

890

201

1230

296

1500

396

1525

408

1720

506

.70

N/A

N/A

1145

304

1445

407

1470

418

1650

513

N/A

N/A

1140

308

1455

415

1490

425

1665

533

.80

N/A

N/A

1095

317

1385

416

1430

432

1605

530

N/A

N/A

1075

325

1405

435

1430

445

1630

551

060

.00

1490

207

1765

331

1970

455

2010

494

2365

799

1505

212

1775

337

1980

461

2025

497

2365

822

.10

1395

194

1740

344

1930

466

1985

507

2328

810

1400

198

1745

352

1950

475

1990

514

2345

839

.20

1320

192

1700

354

1900

480

1955

522

2300

827

1325

196

1705

361

1910

490

1965

532

2310

850

.30

1275

206

1670

367

1875

487

1915

531

2265

842

1270

211

1675

374

1890

507

1930

540

2285

863

.40

1220

214

1620

378

1825

504

1890

544

2235

850

1230

224

1635

390

1840

516

1905

556

2255

882

.50

1170

226

1575

395

1795

519

1850

555

2205

861

1185

231

1590

402

1815

532

1875

573

2225

891

.60

1135

241

1535

409

1750

529

1810

569

2175

872

1140

239

1545

419

1785

550

1825

585

2190

908

.70

N/A

N/A

1490

417

1720

543

1775

585

2135

885

N/A

N/A

1510

426

1735

562

1795

602

2155

922

.80

N/A

N/A

1470

429

1685

557

1730

592

2085

893

N/A

N/A

1480

442

1700

574

1760

619

2120

940

 

Summary of Contents for CBX27UH

Page 1: ...r reclaiming must be followed Fines and or incarceration may be levied for noncompliance INSTALLATION INSTRUCTIONS Elite Series CBX27UH Units MULTI POSITION AIR HANDLERS 506294 01 07 11 Supersedes 05...

Page 2: ...N LINE Return Air Opening SUPPLY AIR FILTER SUPPLY AIR TOP VIEW FRONT VIEW SIDE VIEW BLOWER A B C 11 1 16 281 F D E COIL 5 8 16 5 8 16 5 8 16 5 8 16 5 8 16 LOW VOLTAGE RIGHT SIDE LINE VOLTAGE LEFT SID...

Page 3: ...AND LEFT SIDE Horizontal Position Right Hand Air Discharge FILTER ACCESS FILTER ACCESS 5 3 4 146 1 1 2 38 1 3 4 44 CONDENSATE DRAINS 2 HORIZONTAL A 5 8 16 G H A 5 8 16 G 1 25 1 25 11 1 16 281 PIPING P...

Page 4: ...BLE REASSEMBLE AIR HANDLER UNITS The air handler units consists of two factory assembled sections It may be necessary to disassemble the sections when positioning the unit for installation To disassem...

Page 5: ...EW END VIEW ANGLE IRON OR SHEET METAL electrical inlet clearance 4 in 102 mm 1 2 in Screws Maximum Figure 3 Suspending Horizontal Unit IMPORTANT When removing the coil there is possible danger of equi...

Page 6: ...ccess door and replace it on the unit 13 Set unit so that it is sloped 1 4 toward the drain pan end of the unit Connect return and supply air plenums as required using sheet metal screws 14 If suspend...

Page 7: ...e both wet rags 8 Refer to instructions provided with outdoor unit for leak testing evacuating and charging procedures 9 Install access panel Table 2 Refrigerant Line Sizes Model Liquid Line Vapor Lin...

Page 8: ...TWO PART DESIGN FOR USE WHERE OBSTRUCTIONS PREVENT DIRECT THREADING SECONDARY DRAIN PAN 2 51MM TRAP DEPTH LENNOX P TRAP 49P66 REQUIRES A LARGER INSTALLATION SPACE THAN THE J TRAP 91P90 Figure 8 Typic...

Page 9: ...according to the job requirements 4 For best air performance external static pressure drop must not exceed 0 5 W C 1 2 kPa Refer to blower data tables for cfm and external static 5 Seal around the hol...

Page 10: ...213 1365 264 1485 325 30 815 101 970 136 1195 214 1310 265 1430 322 805 105 975 142 1210 219 1330 275 1445 337 40 750 106 915 148 1155 225 1275 273 1385 334 770 114 930 153 1170 231 1285 283 1405 345...

Page 11: ...to the low voltage terminal strip in the control section The speed can be increased by swapping wires as shown in figure 10 WIRING CONNECTIONS 1 Install line voltage power supply to unit from a prope...

Page 12: ...ND CONNECT YEL WIRE MOTOR SPEED TAPS 1 AND 2 Figure 10 Motor Speed Taps 208 230V Single Phase MOTOR SPEED TAPS 1 AND 2 TO INCREASE MOTOR SPEED DISCONNECT GRN WIRE AND CONNECT YEL WIRE Figure 11 Motor...

Page 13: ...Page 13 CBX27UH SERIES Figure 12 Typical System Wiring Diagram 208 230V Single and Three Phase...

Page 14: ...Page 14 506294 01 Figure 13 Typical System Wiring Diagram 460V Single and Three Phase 036 048 and 060 only...

Page 15: ...should be cut in an X pattern peeled open glued with an appropriate all purpose glue and placed back against the cabinet surface being careful to not overly compress the insulation so the insulation...

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