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Page 18

BL

OWE

R DA

TA

1.

5 H

P

BLOWER T

ABLE INCLUDES RESIST

ANCE FOR BASE UNIT ONL

Y WITH DR

Y INDOOR COIL

 AND 

AIR FIL

TERS IN PLACE.

FOR 

ALL

 UNITS ADD:

 

1 - 

Any factory installed options air resistance (heat section, economizer

, etc.).

 

2 - 

Any field installed accessories air resistance (duct resistance, diffuser

, etc.).

Minimum 

Air V

olume Required For Different Gas Heat Sizes: 

Standard Heat - 1075 cfm; Medium Heat - 1

150 cfm; High Heat - 1500 cfm

See page 20 for wet coil and options/accessory air resistance data and minimum volume with electric heat.

DOWNFLOW

Total

 

Air

 

cfm

Total Static Pressure - in. w

.g.

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

1.3

RPM

W

atts

RPM

W

atts

RPM

W

atts

RPM

W

atts

RPM

W

atts

RPM

W

atts

RPM

W

atts

RPM

W

atts

RPM

W

atts

RPM

W

atts

RPM

W

atts

RPM

W

atts

RPM

W

atts

400

- - -

- - -

734

19

823

40

910

60

985

78

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

600

766

28

856

51

944

73

1029

93

1108

111

1180

127

1248

139

1315

149

1383

158

1451

169

- - -

- - -

- - -

- - -

- - -

- - -

800

899

57

989

81

1079

104

1163

125

1242

145

1317

161

1386

174

1454

185

1519

198

1582

214

1643

234

1701

255

1755

281

1000

1084

95

1163

11

7

1244

139

1323

160

1398

180

1470

196

1538

211

1603

227

1663

245

1721

267

1776

292

1828

320

1876

350

1200

1319

11

3

1385

138

1451

162

1517

186

1581

209

1644

231

1703

254

1759

278

1812

306

1863

337

1912

367

1960

397

2003

427

1400

1542

146

1596

177

1649

208

1703

239

1757

269

1809

300

1860

331

1909

362

1956

393

2003

425

2050

456

2095

483

2139

508

1600

1721

225

1772

258

1823

291

1873

324

1923

356

1972

388

2019

419

2065

450

21

10

480

2156

510

2200

539

2244

565

2287

590

1800

1909

309

1957

341

2006

373

2054

404

2101

435

2146

465

2190

495

2234

526

2277

557

2320

588

2362

620

2404

651

2444

685

2000

2103

385

2148

417

2193

450

2239

483

2283

516

2325

550

2367

584

2408

620

2449

658

2490

696

2529

735

2568

777

2605

822

2200

2299

478

2342

514

2384

552

2426

590

2467

630

2507

671

2547

714

2586

757

2625

800

2663

844

2700

889

2735

935

2770

982

2400

2500

606

2540

647

2580

690

2618

734

2656

779

2694

824

2731

870

2768

915

2804

961

2839

1006

2874

1051

2907

1096

2941

1141

2600

2704

768

2741

810

2778

855

2813

901

2849

947

2884

993

2918

1039

2952

1085

2986

1129

3019

1173

3051

1217

3083

1259

31

15

1300

2800

2908

941

2943

985

2976

1030

3010

1076

3042

1121

3075

1166

3107

1210

3139

1253

3170

1296

3200

1338

3231

1379

3261

1419

3290

1456

3000

31

10

1111

3142

1156

3173

1201

3205

1245

3236

1289

3267

1332

3296

1373

3325

1414

3354

1455

3382

1496

3412

1536

3439

1573

3465

1609

Total

 

Air cfm

Total Static Pressure - in. w

.g.

1.4

1.5

1.6

1.7

1.8

1.9

2.0

RPM

W

atts

RPM

W

atts

RPM

W

atts

RPM

W

atts

RPM

W

atts

RPM

W

atts

RPM

W

atts

800

1805

309

1850

337

1895

366

1940

392

- - -

- - -

- - -

- - -

- - -

- - -

1000

1920

380

1962

410

2005

439

2050

466

2094

492

2138

517

2181

541

1200

2045

456

2087

484

2130

510

2174

537

2217

563

2260

589

2302

615

1400

2182

531

2225

555

2268

581

2310

610

2352

640

2393

671

2433

703

1600

2330

616

2371

645

2412

678

2452

713

2491

750

2530

787

2568

824

1800

2484

723

2523

765

2561

808

2598

849

2636

890

2672

931

2708

971

2000

2641

868

2677

915

2713

961

2749

1003

2784

1044

2819

1084

2853

1124

2200

2804

1028

2839

1072

2873

111

4

2907

1155

2940

1194

2973

1234

3006

1272

2400

2974

1184

3006

1225

3039

1266

3071

1305

3103

1344

3134

1382

3166

1420

2600

3146

1340

3177

1379

3207

1417

3238

1456

3269

1494

3299

1532

3329

1569

2800

3319

1493

3347

1530

3376

1567

3406

1605

3435

1643

3465

1681

3495

1718

3000

3491

1644

3517

1680

3543

1716

3572

1754

3602

1792

3631

1830

3661

1867

Содержание LCT036

Страница 1: ...Ton GAS AND COOLING PACKAGED UNITS 508286 01 7 2022 WARNING To prevent serious injury or death 1 Lock out tag out before performing maintenance 2 If system power is required e g smoke detector mainte...

Страница 2: ...TOM SUPPLY AIR OPENING TOP VIEW Base CENTER OF GRAVITY 9 1 2 241 6 5 8 168 26 1 2 673 5 5 8 143 29 737 7 178 BOTTOM RETURN AIR OPENING BOTTOM CONDENSATE OUTLET 25 3 4 654 BOTTOM POWER ENTRY 3 X 8 76 X...

Страница 3: ...L GAS VALVE BURNERS COMBUSTION AIR INDUCER BLOWER DIRECT DRIVE TXV UNIT CONTROLLER REHEAT COIL OPTIONAL COIL GUARDS OPTIONAL LCT036 048 060 072 PARTS ARRANGEMENT 8 8 8 8 ELECTRIC HEAT OPTIONAL EVAPORA...

Страница 4: ...es and or incar ceration may be levied for non compliance WARNING Electric shock hazard and danger of explosion Can cause injury death or product or property damage Turn off gas and electrical power t...

Страница 5: ...air by pass and promote a proper seal with the RTU duct work duct drops diffuser assemblies must be supported independently to the building structure A Downflow Discharge Application Roof Mounting wit...

Страница 6: ...ght with all available factory installed accessories 404 395 Unit Weight Lbs Kg CAUTION Do not walk on unit 891 871 Horizontal Air Discharge Unit is shipped with panels covering the horizontal supply...

Страница 7: ...mm per 10 3 m of line MOUNTING FRAME OPEN VENT CONDENSATE SIDE DRAIN CONNECTION NOTE Allow clearance to open doors when installing condensate piping CAULK AROUND CONDENSATE COUPLING FIGURE 6 UNIT Min...

Страница 8: ...Replace the condensate drain mullion Connect Gas Piping Gas Units Before connecting field provided piping check with gas company or authorities having jurisdiction for local code requirements When ins...

Страница 9: ...ound joint type After all connections have been made check all piping connections for gas leaks Also check existing unit gas connections up to the gas valve loosening may occur during installation Use...

Страница 10: ...e the unit See figure 14 for the app menu overview If a mobile device is unavailable or not pairing refer to the Unit Controller Setup Guide for start up instructions Electrical Connections Power Supp...

Страница 11: ...ctions provided with thermostat 3 Connect thermostat wiring to Unit Controller on the lower side of the controls hat section 4 Wire as shown in figure 15 for electro mechanical and electronic thermost...

Страница 12: ...AIN CONNECTED AS SHOWN ON THE RIGHT TO UNIT CONTROLLER 2 THERMOSTAT INPUTS FIGURE 16 FIELD WIRING IN ZONE SENSOR MODE Zone Sensor Mode A2 SENSOR OUTPUTS SENSOR SENSOR 24VAC R C IAQ HUM AI1 D01 TMP D02...

Страница 13: ...able codes 2 Inspect all electrical wiring both field and factory installed for loose connections Tighten as required 3 Check to ensure that refrigerant lines do not rub against the cabinet or against...

Страница 14: ...g Unit CFM The supply CFM can be adjusted by changing Unit Controller settings Refer to table 4 for menu paths and default settings Record any CFM changes on the parameter settings label located on th...

Страница 15: ...static blowers BLOWER VENTILATION CFM Percentage of torque for high static blower ventilation speed SETUP TEST BALANCE DAMPER BLOWER HIGH CFM DAMPER POS Minimum damper position for high speed blower...

Страница 16: ...165 1400 510 1183 1489 559 1196 1 1 576 230 1158 751 283 1170 925 336 1182 1052 387 1193 1179 437 1203 1345 518 1221 1430 566 1235 1 2 521 234 1199 695 288 1210 869 341 1220 995 391 1230 1121 441 1240...

Страница 17: ...139 1066 1212 1 1 1115 424 1090 1322 534 1120 1528 643 1150 1686 760 1176 1844 876 1201 2100 1078 1238 1 2 1080 443 1126 1283 549 1153 1485 655 1180 1641 770 1204 1797 884 1228 2052 1083 1264 1 3 1040...

Страница 18: ...320 588 2362 620 2404 651 2444 685 2000 2103 385 2148 417 2193 450 2239 483 2283 516 2325 550 2367 584 2408 620 2449 658 2490 696 2529 735 2568 777 2605 822 2200 2299 478 2342 514 2384 552 2426 590 24...

Страница 19: ...96 2153 520 1600 1778 258 1827 290 1876 323 1923 355 1970 386 2015 416 2059 444 2102 470 2144 494 2185 519 2227 545 2268 572 2309 600 1800 1973 352 2018 383 2063 415 2107 445 2151 476 2194 504 2237 53...

Страница 20: ...0 18 0 05 0 08 0 10 2200 0 11 0 04 0 04 0 04 0 07 0 05 0 18 0 05 0 08 0 11 2400 0 13 0 04 0 04 0 05 0 08 0 05 0 20 0 05 0 08 0 12 POWER EXHAUST FAN PERFORMANCE Return Air System Static Pressure in w...

Страница 21: ...economizer disabled until system stabilizes approximately five minutes Make sure all outdoor air dampers are closed 2 Compare the normal operating pressures to the pressures obtained from the gauges C...

Страница 22: ...psig Suct psig Disc psig Suct psig Disc psig Suct psig Disc psig 114 232 116 271 118 314 120 361 122 412 124 468 123 235 125 274 127 317 130 364 132 415 134 471 142 241 145 280 148 323 150 370 153 422...

Страница 23: ...ig Suct psig Disc psig Suct psig Disc psig Suct psig Disc psig 117 244 120 281 122 324 123 372 124 426 124 485 124 247 128 284 131 327 134 375 135 429 136 489 139 255 144 292 149 335 153 383 157 437 1...

Страница 24: ...ig Suct psig Disc psig Suct psig Disc psig Suct psig Disc psig 112 245 114 283 116 327 117 379 120 429 122 487 120 249 123 288 125 331 127 380 130 433 132 491 139 259 142 297 145 341 147 389 150 444 1...

Страница 25: ...ig Suct psig Disc psig Suct psig Disc psig Suct psig Disc psig 110 260 112 301 115 348 117 401 118 459 120 524 118 263 121 304 124 350 126 403 128 462 130 526 135 272 139 313 143 359 146 412 149 470 1...

Страница 26: ...psig Suct psig Disc psig Suct psig Disc psig Suct psig Disc psig 114 239 116 278 118 325 121 378 123 438 125 505 123 241 125 280 128 326 130 379 132 438 135 505 142 248 145 286 148 330 151 382 153 441...

Страница 27: ...psig Suct psig Disc psig Suct psig Disc psig Suct psig Disc psig 117 253 120 289 122 333 123 386 124 447 124 516 125 254 129 290 131 334 134 386 135 447 136 515 140 261 145 295 150 338 154 390 157 449...

Страница 28: ...ig Suct psig Disc psig Suct psig Disc psig Suct psig Disc psig 109 254 111 293 112 337 114 387 116 442 118 502 118 259 120 298 122 342 124 392 126 447 128 508 137 270 139 309 142 354 145 403 147 458 1...

Страница 29: ...by arrows at junction points 1 High Pressure Switch S4 The compressor circuit is protected by a high pressure switch which opens at 640 psig 10 psig 4413 kPa 70 kPa and automatically resets at 475 psi...

Страница 30: ...refrigeration circuit These temperatures are used as feedback in certain modes of unit operation In addition the Unit Controller uses these temperatures to initiate alarms such as loss of condenser or...

Страница 31: ...Page 31 LGT LCT036 048 060 072 FIGURE 21 YELLOW RT46 CLAMP THERMISTOR TO BARE COPPER DETAILS NOT TO SCALE 22J06 LGT LCT 036 048 060 072 EVAPORATOR COIL RT46...

Страница 32: ...Page 32 LGT LCT036 048 060 072 FIGURE 22 YELLOW RT48 DETAILS NOT TO SCALE 23V50 LGT LCT036 048 060 072 CONDENSER COIL RT48...

Страница 33: ...Room Sensor 1 Economizer With Outdoor Air Suitable Y1 Demand Compressors Off Blower Low Dampers Modulate Y2 Demand Compressor Low Blower High Dampers Full Open Note Compressor is energized after damp...

Страница 34: ...y to repair it Call a qualified service technician Force or attempted repair may result in a fire or explosion WARNING Danger of explosion Can cause injury or death Do not attempt to light manually Un...

Страница 35: ...shes Ignition lockout from too many trials 4 Flashes Ignition lockout from too many flame losses within single call for heat 5 Flashes Control hardware fault detected C Limit Controls Limit controls a...

Страница 36: ...ntrol menu A setting of 100 will operate reheat from an energy management system digital output The reheat setpoint can also be adjusted using an optional Network Control Panel NCP Reheat will termina...

Страница 37: ...EHEAT VALVE RETURN AIR CONDENSER COIL OUTDOOR AIR COMPRESSOR SUPPLY AIR CHECK VALVE EXPANSION VALVE FIGURE 24 COIL COOLING MODE REFRIGERANT ROUTING REHEAT COIL EVAPORATOR REHEAT VALVE RETURN AIR CONDE...

Страница 38: ...on filter frame when reinstalling filters See figure 26 NOTE Filters must be U L C certified or equivalent for use in Canada B Lubrication All motors are lubricated at the factory No further lubricat...

Страница 39: ...BURNERS IGNITOR REMOVE INDIVIDUAL BURNERS ON OLDER UNITS REMOVE THE ENTIRE BURNER ASSEMBLY ON NEWER UNITS FIGURE 28 IGNITOR SPARK GAP SHOULD BE 1 8 3mm FIGURE 29 BURNER ORIENTATION One and Two Stage...

Страница 40: ...INDUCER VENT CONNECTOR GAS VALVE HEAT EXCHANGER TUBE PRIMARY LIMIT ROLLOUT SWITCH FLUE BOX COVER E Flue Box Gas Units Remove flue box cover only when necessary for equipment repair Clean inside of fl...

Страница 41: ...et See figure 31 Retain the screw to secure the back side of the ionizer bracket 2 Remove two screws securing the front side of the ionizer bracket and pull out of unit and clean brushes 3 Replace ion...

Страница 42: ...blower access door 6 Allow 10 minutes before touching the lamps Then carefully remove the old lamp from the lamp holder clips 7 Wear cotton gloves or use a cotton cloth when handling the new lamp Plac...

Страница 43: ...ate units that are obviously damaged Do not discard the triangular UVC light shield or any barriers with an ultraviolet radiation symbol Do not override the door interlock switch that interrupts power...

Страница 44: ...5A 2Fuses F10 and F61 are only used on units with SCCR installed 3Units using Circuit Breakers will use CB10 option LGT060 Unit Voltage 208 230V 1 Ph 208 230V 3 Ph 460V 3Ph 575V 3Ph Power Exhaust Opti...

Страница 45: ...E W O P E W P E W O P E W P E W O P E W P E W O P E W P E W O P E Diagram Key Class Blower Type Amps Amps F3 RK or K LS 40 40 25 25 15 15 15 15 40 40 50 50 25 25 20 20 F42 RK or K LS 40 40 F4 RK or K1...

Страница 46: ...15 15 15 50 45 35 35 15 15 15 15 F4 RK or K1 HS 35 30 15 15 15 15 35 30 15 15 15 15 F102 CC LS 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 F27 CC LS 7 5 7 5 7 5 7 5 F30 CC LS 10 10 10 10 5 5 10 10 10 10 5 5 F31...

Страница 47: ...15 15 60 60 30 30 25 25 CB103 LS 60 60 40 40 20 15 15 15 100 90 60 60 30 30 25 25 CB103 HS 40 35 20 15 15 15 60 60 30 30 25 25 1When SCCR is installed F4 fuse is Class J 2Fuses F10 and F61 are only u...

Страница 48: ...J 2Fuses F10 and F61 are only used on units with SCCR installed 3Units using Circuit Breakers will use CB10 option LCT072 Continued Electric Heat Size 22 5 KW 30 KW Unit Voltage Y Volt G Volt J Volt Y...

Страница 49: ...economizer is installed using a single enthalpy sensor change configuration I D 1 the second character to S TABLE 16 581038 Units With BACnet Settings RTU Menu Network Integration Network Setup Wizar...

Страница 50: ...t Installed N Damper Position A A34 Pressure Sensor C 5 Network Module N Not Installed L LonTalk Lennox 6 Blower Variable Frequency Drive Bypass N Not Installed A Automatic Bypass M Manual Bypass U Un...

Страница 51: ...lled 1 Air Flow Proving Switch S52 3 Overflow Switch S149 S179 4 Reserved Reserved for future use N 7 Zone Bypass Damper N Not Installed Y Installed FIGURE 37 10 Reserved N Not Installed Not Installed...

Страница 52: ...voltage __________ Cooling Checks Compressor Rotation Ambient Temp ________Return Air Temp ________ Supply Air Temp ________ Compressor Amps Compressor Volts Pressures Condenser Fan Amps CC Heater Am...

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