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1101790-UIM-C-0414

16

Johnson Controls Unitary Products

Airflow Performance

Bottom Duct Application

Table 12: DHQ024-060  

Model

(Tons)

Mode

Thermostat

Input

Speed

Tap

CFM

External Static Pressure (Inch Water Gauge)

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Watts

Watts

Watts

Watts

Watts

Watts

Watts

Watts

Watts

DHQ024

(2.0)

Cool

Low

Y1+O

COOL-A

580

89

112

134

159

184

206

229

252

276

Y1+O

COOL-B

400

43

62

81

101

121

137

153

173

192

Y1+O

COOL-C

600

96

119

142

167

193

216

239

263

287

Y1+O

COOL-D

667

120

145

170

198

225

250

275

301

328

High

Y1+Y2+O

COOL-A

870

215

248

281

315

349

380

410

444

477

Y1+Y2+O

COOL-B

600

95

119

142

167

193

216

239

263

287

Y1+Y2+O

COOL-C

900

232

266

301

335

370

402

434

468

503

Y1+Y2+O

COOL-D

1000

292

332

371

410

448

482

516

555

594

Heat 

Pump

Low

Y1

COOL-A

600

96

119

142

167

193

216

239

263

287

Y1

COOL-B

500

65

86

107

130

152

172

192

213

235

Y1

COOL-C

467

57

77

97

119

141

159

178

199

220

Y1

COOL-D

667

120

145

170

198

225

250

275

301

328

High

Y1+Y2

COOL-A

900

232

266

301

335

370

402

434

468

503

Y1+Y2

COOL-B

750

155

183

211

241

271

299

326

355

384

Y1+Y2

COOL-C

700

133

159

186

214

243

269

295

322

349

Y1+Y2

COOL-D

1000

292

332

371

410

448

482

516

555

594

Heat

D056

W1

HEAT-A

670

121

146

172

199

227

-

-

-

-

W1

HEAT-B

690

129

155

181

209

237

-

-

-

-

W1

HEAT-C

710

137

164

191

219

248

-

-

-

-

W1

HEAT-D

750

155

183

211

241

271

-

-

-

-

W1+W2

HEAT-A

940

255

291

328

364

400

-

-

-

-

W1+W2

HEAT-B

970

273

311

349

386

424

-

-

-

-

W1+W2

HEAT-C

1000

292

332

371

410

448

-

-

-

-

W1+W2

HEAT-D

1050

326

368

410

450

490

-

-

-

-

DHQ030

(2.5)

Cool

Low

Y1+O

COOL-A

634

119

142

164

192

220

245

269

294

319

Y1+O

COOL-B

500

98

118

137

160

182

203

224

244

264

Y1+O

COOL-C

700

136

160

185

215

245

272

298

325

351

Y1+O

COOL-D

834

183

212

242

275

308

339

369

397

425

High

Y1+Y2+O

COOL-A

950

239

273

308

342

377

410

444

472

500

Y1+Y2+O

COOL-B

750

151

178

204

235

267

295

323

350

377

Y1+Y2+O

COOL-C

1050

298

337

376

411

446

482

519

546

573

Y1+Y2+O

COOL-D

1250

446

496

547

580

613

655

697

718

739

Heat 

Pump

Low

Y1

COOL-A

700

136

160

185

215

245

272

298

325

351

Y1

COOL-B

634

119

142

164

192

220

245

269

294

319

Y1

COOL-C

767

157

184

211

243

275

303

331

359

387

Y1

COOL-D

834

183

212

242

275

308

339

369

397

425

High

Y1+Y2

COOL-A

1050

298

337

376

411

446

482

519

546

573

Y1+Y2

COOL-B

950

239

273

308

342

377

410

444

472

500

Y1+Y2

COOL-C

1150

367

411

456

490

525

564

603

628

652

Y1+Y2

COOL-D

1250

446

496

547

580

613

655

697

718

739

Heat

D056

W1

HEAT-A

680

130

154

178

208

237

-

-

-

-

W1

HEAT-B

735

146

172

198

229

260

-

-

-

-

W1

HEAT-C

790

166

193

221

253

286

-

-

-

-

W1

HEAT-D

840

186

215

245

278

312

-

-

-

-

W1+W2

HEAT-A

1050

298

337

376

411

446

-

-

-

-

W1+W2

HEAT-B

1135

356

399

443

478

512

-

-

-

-

W1+W2

HEAT-C

1220

421

470

519

552

585

-

-

-

-

W1+W2

HEAT-D

1300

489

543

597

629

660

-

-

-

-

Summary of Contents for DHQ024

Page 1: ...T OF FIGURES 1 Component Location 4 2 Unit 4 Point Load Weight 6 3 Unit Dimensions 7 4 Dimensions Front and Bottom 8 5 Dimensions Back and Bottom 8 6 Roof Curb 9 7 Typical Field Control Wiring Diagram...

Page 2: ...nual For assistance or additional information consult a qualified installer service agency or the gas supplier This system uses R 410A Refrigerant which operates at higher pressures than R 22 No other...

Page 3: ...heating of buildings or structures under construction Limitations These units must be installed in accordance with the following In U S A 1 National Electrical Code ANSI NFPA No 70 Latest Edition 2 Na...

Page 4: ...orary heating of buildings or structures under construction Figure 1 Component Location Direct Drive Condenser Fan Motor Highly Efficient Enhanced Copper Tube Aluminum Fin Evaporator Coil Highly Effic...

Page 5: ...unit Do not remove any packaging until the unit is near the place of installation Rig the unit by attaching chain or cable slings to the lifting holes provided in the base rails Spreader bars whose l...

Page 6: ...D A B C D E F DHQ024 2 0 418 413 25 20 1 81 88 128 116 53 56 60 87 81 76 DHQ030 2 5 431 426 24 4 20 1 85 89 129 123 56 58 60 86 84 81 DHQ036 3 0 438 433 24 6 20 1 86 91 132 124 57 59 61 89 85 82 DHQ0...

Page 7: ...TMENT PANEL 1 1 2 2 5 8 3 1 3 12 3 4 11 5 3 8 49 1 8 47 1 4 LEFT FRONT RIGHT Table 4 Unit Dimensions Front Unit Model Dimensions A B DHQ024 030 036 33 1 2 18 1 4 DHQ042 048 060 41 1 2 23 1 8 Table 5 U...

Page 8: ...SUPPLY 1 5 8 DIA KNOCKOUT 1 2 NPTF CONNECTION LOW VOLTAGE CONN 7 8 DIA KNOCKOUT 4 5 8 26 3 4 CONDENSATE DRAIN 3 4 NPTF HIGH VOLTAGE CONN 1 3 32 DIA KNOCKOUT 4 14 1 2 28 3 8 14 1 2 BACK 3 3 8 SIDE RETU...

Page 9: ...to note supply and return openings Refer to Figures 4 and 5 for information concerning rear and bottom supply and return air duct openings Roof Curb On applications when a roof curb is used the unit m...

Page 10: ...l ordinances The unit must be electrically grounded in accordance with local codes or in their absence with the N E C C E C Voltage tolerances which must be maintained at the compressor terminals duri...

Page 11: ...ompressors each OD Fan Motors each Supply Blower Motor MCA1 Amps 1 Minimum Circuit Ampacity Max Fuse2 Breaker3 Size Amps 2 Maximum Over Current Protection per standard UL 1995 3 Fuse or HACR circuit b...

Page 12: ...60 160 160 175 175 170 175 170 Gas piping connection in 1 2 1 2 1 2 1 2 1 2 1 2 DIMENSIONS inches Length 49 1 8 49 1 8 49 1 8 49 1 8 49 1 8 49 1 8 Width 47 1 4 47 1 4 47 1 4 47 1 4 47 1 4 47 1 4 Heigh...

Page 13: ...efer to Tables 8 and 9 The heating value of the gas may differ with locality The value should be checked with the local gas utility NOTE There may be a local gas utility requirement specifying a minim...

Page 14: ...6 180 370 80 43 90 170 350 90 40 84 160 320 100 38 79 150 305 Table 9 Propane LP Gas Pipe Sizing Chart1 1 Maximum capacity of pipe in thousands of BTU per hour based upon a pressure drop of 0 5 inch w...

Page 15: ...Table 11 Propane1 LP Gas Application Data Two Stage 1 Propane applications are accomplished by field installation of a Propane Conversion Accessory Model 1NP0809 for 2 and 3 Ton units with 33 1 2 tall...

Page 16: ...690 129 155 181 209 237 W1 HEAT C 710 137 164 191 219 248 W1 HEAT D 750 155 183 211 241 271 W1 W2 HEAT A 940 255 291 328 364 400 W1 W2 HEAT B 970 273 311 349 386 424 W1 W2 HEAT C 1000 292 332 371 410...

Page 17: ...W2 HEAT A 1200 384 427 470 514 W1 W2 HEAT B 1300 461 507 552 598 W1 W2 HEAT C 1400 546 595 643 690 W1 W2 HEAT D 1480 619 671 721 770 DHQ042 3 5 Cool Low Y1 O COOL A 934 225 253 281 317 352 384 415 447...

Page 18: ...W2 HEAT D 1700 598 644 689 783 DHQ060 5 0 Cool Low Y1 O COOL A 1034 247 277 307 354 401 431 470 508 546 Y1 O COOL B 1101 266 298 330 383 437 466 510 552 594 Y1 O COOL C 1167 289 322 355 415 475 505 5...

Page 19: ...181 209 237 W1 HEAT C 710 137 164 191 219 248 W1 HEAT D 750 155 183 211 241 271 W1 W2 HEAT A 940 255 291 328 364 400 W1 W2 HEAT B 970 273 311 349 386 424 W1 W2 HEAT C 1000 292 332 371 410 448 W1 W2 H...

Page 20: ...W2 HEAT A 1200 384 427 470 514 W1 W2 HEAT B 1300 461 507 552 598 W1 W2 HEAT C 1400 546 595 643 690 W1 W2 HEAT D 1480 619 671 721 770 DHQ042 3 5 Cool Low Y1 O COOL A 934 225 253 281 317 352 384 415 447...

Page 21: ...W2 HEAT D 1700 598 644 689 783 DHQ060 5 0 Cool Low Y1 O COOL A 1034 247 277 307 354 401 431 470 508 546 Y1 O COOL B 1101 266 298 330 383 437 466 510 552 594 Y1 O COOL C 1167 289 322 355 415 475 505 5...

Page 22: ...5 0 01 0 13 1200 0 06 0 02 0 16 1300 0 07 0 03 0 17 DHQ0036 3 0 700 0 01 0 00 0 04 800 0 02 0 01 0 06 900 0 03 0 01 0 08 1000 0 04 0 01 0 10 1100 0 05 0 01 0 13 1200 0 06 0 02 0 16 1300 0 07 0 03 0 17...

Page 23: ...ion board should be set to A from the factory Fan Only CFM When the connection is made from R to G the fan only mode is activated In this mode the blower will deliver 75 of the cooling system CFM This...

Page 24: ...nal to the CFM Selector Board CFMCB When the CFMCB receives 24 Volts AC at Y1 control voltage is sent to the Y1 terminal of the YorkGuard VI Defrost Control Board DCB energizing the M1 contactor coil...

Page 25: ...is also removed from the RV and RVG terminals de energizing the reversing valve The ODF contacts on the DCB re close energizing the outdoor fan motor Mechanical heating operation resumes Emergency Hea...

Page 26: ...t the DM and provides 120 Volts AC out of the IND terminal reducing the DM to low speed Control voltage is also removed from HI at the gas valve reducing gas heat operation to low fire operation Secon...

Page 27: ...utes W1 Out W2 Out after 15 Minutes When a Y1 Y2 W call are present mechanical heat is de energized 30 seconds after the gas heat section is energized and is locked out for the remainder of the heatin...

Page 28: ...control enters a hard lockout flashing 9 on the LED If the pilot or main valve becomes Un Welded the inducer will de energize but the control will remain in a hard lockout and not respond to any ther...

Page 29: ...n 7 Wait five 5 minutes to clear out any gas If you then smell gas STOP Follow B in the information on the unit safety label If you don t smell gas go to the next step 8 Turn the gas valve switch to t...

Page 30: ...e pilot flame should envelope 3 8 of the end of the flame sensor and not contain any yellow color see Figure 14 4 Replace the pilot adjustment cover screw after the pilot flame is set To check adjust...

Page 31: ...r particular locality Contact your gas company for this information since it varies widely from city to city BTUH Output 1 08 x CFM OR CFM BTUH Output Degrees F Temp Rise 1 08 x Degrees F Temp Rise Ta...

Page 32: ...AND OR NATIONAL CODES IN EFFECT AT THE TIME OF INSTALLATION OF THIS UNIT 2 CAUTION LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS WIRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS OPERAT...

Page 33: ...ONAL CODES IN EFFECT AT THE TIME OF INSTALLATION OF THIS UNIT 2 CAUTION LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS WIRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS OPERATION IF ANY O...

Page 34: ...88 17 80 64 7 4 95 167 77 398 99 16 80 64 8 4 400 Cfm Ton 75 63 75 138 67 288 77 21 75 54 6 3 85 141 68 335 88 20 75 55 7 2 95 145 70 386 98 19 75 56 8 2 Air Flow Indoor Db Wb Outdoor DB Suction Press...

Page 35: ...80 63 10 8 95 159 71 393 99 17 80 63 11 1 400 Cfm Ton 75 63 75 132 61 288 77 22 75 53 9 3 85 134 63 332 87 22 75 54 10 4 95 138 64 393 99 21 75 54 12 1 Air Flow Indoor Db Wb Outdoor DB Suction Pressur...

Page 36: ...16 80 64 15 4 95 160 70 409 101 16 80 64 17 3 400 Cfm Ton 75 63 75 132 60 301 79 21 75 54 13 1 85 134 62 348 90 20 75 55 15 1 95 137 64 396 99 20 75 55 17 1 Air Flow Indoor Db Wb Outdoor DB Suction P...

Page 37: ...mpressor amperes L1 L2 L3 Measured voltage R and C outdoor unit control board Electrical Connections Inspection Check all that apply Equipment Data Additional Kits Accessories Installed Check all that...

Page 38: ...turn Air Dry Bulb Temp Manifold Pressure at 100 Firing Rate w c Inlet Gas Pressure w c LP Gas Conversion Kit LP Conversion Kit Installed By Two Stage Single Stage Propane LP Requires LP Conversion Kit...

Page 39: ...only Manifold sets must be at least 700 psig high side and 180 psig low side with 550 psig retard All hoses must have a service pressure rating of 800 psig Leak detectors must be designed to detect H...

Page 40: ...change without notice Printed in U S A 1101790 UIM C 0414 Copyright 2014 by Johnson Controls Inc All rights reserved Supersedes 1101790 UIM B 0314 York International Corporation 5005 York Drive Norma...

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