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Lennox LCM036, Installation Instructions Manual

The Lennox LCM036 is a high-quality HVAC unit designed for optimal comfort. Make sure to get your free Installation Instructions Manual by downloading it from manualshive.com. This detailed manual will guide you through the setup process, ensuring a hassle-free installation experience. Trust Lennox for top-notch performance and reliability.

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Page 18

BLOWER DA

TA

5 & 6 T

ON

 

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.).

See Page 19 for blower motors and drives and wet coil and options/accessory air resistance data.

HORIZONT

AL

Total

 

Air 

Volume

 

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

685

20

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

500

776

37

880

57

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

600

867

53

968

71

1054

83

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

700

959

67

1058

85

1143

97

1209

107

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

800

1056

81

1151

98

1233

11

2

1299

123

1358

137

1416

153

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

900

1159

95

1248

11

3

1326

128

1390

142

1448

158

1506

176

1564

194

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

1000

1266

111

1348

129

1421

146

1483

163

1541

182

1598

202

1653

223

1706

244

1756

268

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

1100

1377

129

1451

149

1518

168

1578

188

1635

210

1690

232

1744

256

1794

280

1840

306

1882

333

1922

358

- - -

- - -

- - -

- - -

1200

1489

151

1556

172

1618

194

1676

218

1731

243

1784

268

1835

293

1883

320

1926

347

1967

374

2006

398

2046

420

2086

441

1300

1602

175

1663

200

1720

226

1774

253

1827

281

1878

308

1927

335

1972

363

2013

391

2052

417

2091

441

2131

463

2170

484

1400

1712

207

1768

235

1822

265

1873

296

1923

325

1971

354

2017

382

2059

410

2100

437

2139

462

2177

485

2217

508

2256

531

1500

1817

248

1871

279

1922

311

1971

343

2017

373

2062

402

2106

431

2148

459

2188

484

2227

508

2267

532

2306

556

2344

581

1600

1922

295

1973

328

2023

360

2069

392

21

13

422

2155

451

2198

479

2239

506

2280

531

2320

556

2359

581

2397

609

2434

638

1700

2030

345

2078

377

2126

409

2170

439

2212

469

2253

498

2294

526

2336

553

2376

579

2415

606

2453

635

2490

668

2525

703

1800

2141

391

2187

423

2231

454

2274

484

2315

514

2356

543

2396

571

2436

598

2475

627

2513

659

2549

695

2583

734

2616

774

1900

2255

423

2297

458

2339

492

2380

526

2420

559

2460

591

2499

623

2537

655

2574

689

2609

727

2642

769

2674

813

2704

856

2000

2365

470

2405

511

2445

550

2484

589

2522

628

2560

666

2597

703

2634

740

2668

779

2701

819

2732

861

2763

903

2793

944

2100

2472

545

251

1

588

2550

631

2587

674

2624

716

2659

757

2695

798

2730

838

2763

877

2795

915

2826

953

2857

991

2888

1028

2200

2580

624

2618

668

2656

711

2692

754

2727

795

2762

837

2796

877

2830

917

2863

957

2894

995

2925

1033

2956

1071

2987

1108

2300

2689

704

2726

748

2762

791

2798

833

2832

875

2866

916

2899

957

2932

997

2964

1036

2996

1074

3027

111

2

3057

1150

3088

1187

2400

2798

784

2834

827

2870

870

2904

913

2937

954

2970

995

3003

1036

3035

1076

3067

111

5

3098

1153

- - -

- - -

- - -

- - -

- - -

- - -

2500

2908

864

2943

907

2977

950

301

1

992

3043

1034

3076

1075

3108

111

5

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

Total

 

Air 

Volume

 

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

1100

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

1200

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

1300

2210

507

2248

531

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

1400

2295

555

2332

581

2369

607

2405

634

2439

661

- - -

- - -

- - -

- - -

1500

2382

609

2418

637

2454

666

2489

695

2522

726

2554

758

2585

792

1600

2470

669

2506

700

2540

731

2573

763

2606

796

2637

829

2667

863

1700

2559

737

2593

770

2626

804

2658

838

2689

872

2719

906

2748

940

1800

2649

811

2681

847

2713

882

2744

917

2774

952

2803

987

2832

1021

1900

2736

895

2767

932

2798

968

2828

1003

2858

1039

2886

1073

2914

1108

2000

2825

982

2856

1019

2886

1054

2916

1090

2945

1125

2974

1159

3003

1193

2100

2919

1065

2950

1101

2980

1137

3010

1172

3039

1206

3069

1240

3098

1274

2200

3018

1144

3048

1180

3078

1216

3108

- - -

- - -

- - -

- - -

- - -

- - -

- - -

2300

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

2400

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

2500

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

- - -

Summary of Contents for LCM036

Page 1: ...ors Page 22 Cooling Operation Page 25 INSTALLATION INSTRUCTIONS LGM LCM036 048 060 074 3 4 5 and 6 Ton GAS AND COOLING PACKAGED UNITS 508108 01 1 2021 CAUTION As with any mechanical equipment contact...

Page 2: ...3 29 737 7 178 BOTTOM RETURN AIR OPENING BOTTOM CONDENSATE OUTLET 25 3 4 654 BOTTOM POWER ENTRY 3 X 8 76 X 203 18 3 8 467 19 1 2 495 5 1 2 140 FORKLIFT SLOTS Front Back and Blower End HORIZONTAL RETUR...

Page 3: ...L GAS VALVE BURNERS COMBUSTION AIR INDUCER BLOWER DIRECT DRIVE TXV UNIT CONTROLLER REHEAT COIL OPTIONAL COIL GUARDS OPTIONAL LCM036 048 060 074 PARTS ARRANGEMENT 8 8 8 8 ELECTRIC HEAT Optional EVAPORA...

Page 4: ...recycling or reclaiming must be followed Fines 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 propert...

Page 5: ...The roof mounting frame should be square and level to 1 16 per linear foot 5mm per linear meter in any direction 3 Duct must be attached to the roof mounting frame and not to the unit supply and retur...

Page 6: ...the separately ordered horizontal air discharge kit Place the kit panel over the downflow return air opening 4 Remove and retain the barometric relief dampers and lower hood FIGURE 3 DOWNFLOW RETURN...

Page 7: ...e of the mullion FIGURE 7 CONDENSATE DRAIN MULLION Two hinge screws must be removed in addition to the mullion screws See figure 8 FIGURE 8 CONDENSATE DRAIN MULLION REMOVE TWO SCREWS UNITS WITH HINGED...

Page 8: ...the unit gas connection must be as shown in table 1 TABLE 1 OPERATING PRESSURE AT GAS CONNECTION w c Natural Gas LP Propane Gas Min Max Min Max 036 074 4 5 10 5 11 13 When making piping connections a...

Page 9: ...for gas leaks CAUTION Some soaps used for leak detection are corrosive to certain metals Carefully rinse piping thoroughly after leak test has been completed Do not use matches candles flame or othe...

Page 10: ...inal to the 208V terminal Place the insulated terminal cover on the unused 240V terminal 2 Route power through the bottom power entry area and connect to L1 L2 and L3 on the top of K1 in control area...

Page 11: ...ic thermostats If using other temperature control devices or energy management systems see instructions and wiring diagram provided by manufacturer IMPORTANT Terminal connections at the wall plate or...

Page 12: ...onductors with overall shield Belden type 8760 or 88760 plenum or equivalent Connect both cable shield drain wires to the Unit Controller as shown in figure 17 FIGURE 17 FIELD WIRING REHEAT UNITS Usin...

Page 13: ...witch Voltage must be within range listed on nameplate If not consult power company and have voltage condition corrected before starting unit 5 Make sure filters are new and in place before start up B...

Page 14: ...oling typically 60 of full load CFM TABLE 4 DIRECT DRIVE PARAMETER SETTINGS Parameter Factory Setting Field Setting Description 036 048 060 074 Note Any changes to Smoke CFM setting must be adjusted b...

Page 15: ...84 326 2024 354 2062 380 2100 403 2137 426 2174 448 2211 474 2248 499 2285 525 2322 553 2359 582 1700 2007 319 2045 346 2083 373 2120 399 2157 423 2193 445 2229 466 2264 489 2300 516 2336 544 2372 573...

Page 16: ...2067 396 2109 425 2151 453 2193 481 2235 507 2277 532 2318 558 2358 585 2397 614 1700 1987 321 2033 352 2078 382 2122 412 2163 441 2204 469 2244 498 2286 525 2327 551 2368 578 2408 606 2446 638 2484...

Page 17: ...04 458 2245 484 2286 511 2327 538 2366 567 2403 598 1800 1998 318 2041 347 2085 375 2128 402 2171 427 2213 451 2254 475 2294 500 2334 528 2374 557 2412 588 2449 621 2484 655 1900 2102 341 2143 371 218...

Page 18: ...81 2397 609 2434 638 1700 2030 345 2078 377 2126 409 2170 439 2212 469 2253 498 2294 526 2336 553 2376 579 2415 606 2453 635 2490 668 2525 703 1800 2141 391 2187 423 2231 454 2274 484 2315 514 2356 54...

Page 19: ...TA Air Volume cfm 1 Effective Throw ft RTD11 95S FD11 95S 2600 24 29 19 24 2800 25 30 20 28 3000 27 33 21 29 1 Effective throw based on terminal velocities of 75 ft per minute FACTORY INSTALLED OPTION...

Page 20: ...ing pressures Pressures are listed for sea level applications at 80 F dry bulb and 67 F wet bulb return air 4 Compare the normal operating pressures to the pressures obtained from the gauges Minor var...

Page 21: ...on each unit Optional controls are identified on wiring diagrams by arrows at junction points 1 High Pressure Switch S4 The compressor circuit is protected by a high pressure switch which opens at 640...

Page 22: ...n addition the Unit Controller uses these temperatures to initiate alarms such as loss of condenser or evaporator airflow and loss of charge Each thermistor must be specifically placed for proper unit...

Page 23: ...THERMISTOR LOCATION RT42 46 060U 074 FOUR ROW EVAPORATOR COIL VIEW FROM FRONT SIDE OF UNIT FIGURE 22 RT42 RT46 DISTRIBUTOR TUBE CLAMP THERMISTOR TO BARE COPPER NOT THE DISTRIBUTOR SLEEVE SUCTION LINE...

Page 24: ...Page 24 LGM LCM036 048 060 074 THERMISTOR LOCATION RT44 RT48 036 048 CONDENSER COIL VIEW FROM FRONT SIDE OF UNIT FIGURE 23 RT48 RT44 LIQUID LINE EXIT...

Page 25: ...mper has been at full open for three minutes Note Free cooling is locked out when a dehumidification demand is received The unit operates in dehumidification mode as if the outdoor air is not suitable...

Page 26: ...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...

Page 27: ...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...

Page 28: ...energized Pressure can be checked on the reheat line pressure tap Pressure on the reheat line should match discharge pressure closely in reheat mode Default Reheat Operation During reheat mode free co...

Page 29: ...EHEAT VALVE RETURN AIR CONDENSER COIL OUTDOOR AIR COMPRESSOR SUPPLY AIR CHECK VALVE EXPANSION VALVE FIGURE 25 COIL COOLING MODE REFRIGERANT ROUTING REHEAT COIL EVAPORATOR REHEAT VALVE RETURN AIR CONDE...

Page 30: ...filter frame when reinstalling filters See figure 27 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 lubrication...

Page 31: ...TUH 5 BURNERS 65 000 BTUH 3 BURNERS SENSOR IGNITOR SENSOR IGNITOR SENSOR IGNITOR D Combustion Air Inducer Gas Units A combustion air proving switch checks combustion air inducer operation before allow...

Page 32: ...season Clean using mild detergent or commercial coil cleaner Flush coil and condensate drain with water taking care not to get insulation filters and return air ducts wet G Condenser Coil Clean conden...

Page 33: ...et See figure 34 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...

Page 34: ...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 Place the new lamp in the holder clips of the UV...

Page 35: ...and federal disposal laws Refer to www lamprecycle org or call 800 953 6669 Proper Clean up Technique in Case of Lamp Breakage Wear protective gloves eye wear and mask Sweep the broken glass and debr...

Page 36: ...ption installed Change the appropriate character in the configuration I D For example when an economizer is installed using a single enthalpy sensor change configuration I D 1 the second character to...

Page 37: ...Stage D Unconfigured U Power Exhaust Control 4 Not 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...

Page 38: ...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 40 10 Reserved N Not Installed Not Installed...

Page 39: ...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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