Lenox Lennox ML180UHE Performance & Blower Data Manual

Page 34

BLOWER DATA

ML180UH090E60C PERFORMANCE (Less Filter)

 

 

 

 

 

 

 

Air Volume / Watts at Different Blower Speeds

 

 

 

 

 

 

External

Bottom Return Air, Side Return Air with Optional Return

Single Side Return Air − Air volumes in bold require field

Static

Air Base, Return Air from Both Sides or Return Air from

fabricated transition to accommodate 20 x 25 x 1 in. air filter

Pressure Bottom and One Side.

 

 

 

 

 

 

in order to maintain proper air velocity.

 

 

 

in. w.g.

High

Med-High

Medium

Med-Low

Low

High

Med-High

Medium

Med-Low

Low

 

cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts

0.00

2255

640

1940

420

1750

310

1580

230

1485

185

2290

655

1980

425

1775

310

1605

235

1495

195

0.10

2200

655

1910

440

1705

315

1535

240

1385

190

2250

675

1945

445

1730

320

1555

245

1400

190

0.20

2150

675

1865

450

1655

340

1490

260

1340

205

2210

695

1885

465

1680

340

1510

265

1350

205

0.30

2125

695

1835

475

1635

355

1450

275

1285

215

2165

715

1850

475

1645

355

1470

275

1285

215

0.40

2090

715

1800

495

1585

370

1405

285

1235

230

2135

720

1810

490

1595

370

1410

290

1225

230

0.50

2060

735

1760

510

1545

385

1370

305

1200

245

2070

735

1765

515

1545

390

1370

305

1180

245

0.60

2020

750

1725

525

1515

405

1320

320

1145

255

2030

760

1715

530

1495

405

1325

320

1140

255

0.70

1980

765

1680

540

1465

420

1265

330

1105

270

1990

775

1685

540

1450

425

1265

330

1095

270

0.801935 785 1635 560 1420 435 1225 350 1055 285 1950 795 1645 560 1415 435 1225 345 1040 285

ML180UH110E60C PERFORMANCE (Less Filter)

 

 

 

 

 

 

 

Air Volume / Watts at Different Blower Speeds

 

 

 

 

 

 

External

Bottom Return Air, Side Return Air with Optional Return

Single Side Return Air − Air volumes in bold require field

Static

Air Base, Return Air from Both Sides or Return Air from

fabricated transition to accommodate 20 x 25 x 1 in. air filter

Pressure Bottom and One Side.

 

 

 

 

 

 

in order to maintain proper air velocity.

 

 

 

in. w.g.

High

Med-High

Medium

Med-Low

Low

High

Med-High

Medium

Med-Low

Low

 

cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts

0.00

2230

635

1945

430

1715

295

1555

230

1470

185

2315

645

1990

415

1780

300

1610

230

1510

200

0.10

2180

655

1905

445

1690

305

1510

240

1340

175

2260

655

1945

425

1740

315

1550

240

1400

185

0.20

2135

680

1865

465

1630

330

1470

260

1280

190

2210

680

1895

450

1680

335

1510

255

1350

200

0.30

2090

695

1830

480

1595

345

1440

275

1235

200

2165

700

1850

465

1650

355

1455

275

1285

210

0.40

2050

715

1785

495

1550

360

1385

285

1175

210

2130

715

1830

485

1585

365

1395

285

1230

225

0.50

2025

730

1740

520

1500

375

1340

300

1130

225

2095

730

1770

500

1535

385

1365

300

1175

235

0.60

2010

750

1710

535

1470

390

1305

320

1080

240

2055

755

1725

515

1495

400

1305

315

1135

250

0.70

1965

755

1670

555

1420

410

1255

330

1015

255

2000

765

1675

535

1465

410

1255

325

1080

265

0.801905 785 1635 560 1380 425 1215 350 975 270 1965 785 1640 555 1400 425 1210 345 1025 275

ML180UH135E60D PERFORMANCE (Less Filter)

 

 

 

 

 

 

 

Air Volume / Watts at Different Blower Speeds

 

 

 

 

 

 

External

Bottom Return Air, Side Return Air with Optional Return

Single Side Return Air − Air volumes in bold require field

Static

Air Base, Return Air from Both Sides or Return Air from

fabricated transition to accommodate 20 x 25 x 1 in. air filter

Pressure

Bottom and One Side.

 

 

 

 

 

 

in order to maintain proper air velocity.

 

 

 

in. w.g.

High

Med-High

Medium

Med-Low

Low

High

Med-High

Medium

Med-Low

Low

 

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

cfm

Watts

0.00

2495

755

2295

590

2045

435

1845

315

1650

230

2365

725

2295

575

2005

410

1820

300

1635

235

0.10

2440

780

2220

620

2015

445

1820

330

1615

245

2350

745

2210

595

2000

435

1745

320

1530

230

0.20

2390

790

2175

640

1935

470

1735

350

1550

255

2330

775

2175

625

1945

455

1730

330

1490

250

0.30

2360

805

2140

655

1895

490

1720

370

1485

275

2245

785

2135

645

1895

475

1655

355

1425

265

0.40

2285

835

2125

675

1850

510

1660

380

1455

290

2215

810

2085

660

1840

495

1600

375

1385

285

0.50

2240

860

2060

690

1815

535

1610

400

1415

310

2175

825

2045

680

1815

505

1590

390

1340

290

0.60

2225

865

2015

715

1785

550

1535

420

1330

320

2125

845

1995

700

1765

530

1525

405

1300

310

0.70

2160

895

1955

735

1755

570

1500

440

1265

340

2095

865

1950

710

1700

545

1485

420

1260

325

0.80

2105

905

1925

750

1715

580

1435

450

1215

345

2065

880

1890

725

1680

565

1415

445

1205

345

Page 34

Image 34
Contents Installation Instructions ML180UHE Table of ContentsUnit Dimensions − inches mm TOP ViewBurner Box Parts ArrangementMake−Up Box Heat Exchanger Combustion Air Inducer Gas ValveML180UHE Gas Furnace Safety InformationShipping and Packing List Use of Furnace as Construction Heater GeneralCombustion, Dilution & Ventilation Air Equipment in Confined Space ALL AIR from Inside Equipment in Confined Space Setting Equipment Return Air End Bottom Horizontal Application Installation Clearances Top LeftRight Typical Horizontal ApplicationFilters Duct SystemTop Vent Discharge VentingUpflow Position Left Side Vent DischargeSide Vent Discharge Horizontal Left Position Horizontal Right PositionHorizontal Left Position Side Vent Discharge − no modifications necessaryVent Connection Upflow and Horizontal Position Common Venting Using Metal−Lined Masonry Chimney −1/2 Cated or common venting system, you must inspect 18 − The common vent diameter must always be at least asFeet FAN + FAN FAN + NAT 130 Carbon Monoxide Poisoning Hazard Gas Piping Ers or straps. Install a drip leg in vertical pipe runs to− In some localities, codes may require the installation Gas supply piping should not allow more than 0.5W.C. dropLeft−Side Air Discharge Horizontal ApplicationRight−Side Air Discharge Electrical Interior MAKE−UP BOX InstallationElectrostatic Discharge ESD Thermostat Designations ML180UHE Schematic Wiring Diagram and Sequence of Operation Typical ML180UHE Field Wiring Diagram Integrated ControlFor Your Safety Read Before Lighting Unit Start−UpProper Combustion Gas Pressure AdjustmentGAS Meter Clocking Chart High AltitudeOther Unit Adjustments Manifold Pressure Settings at all AltitudesHeat FAN-OFF Time in Seconds No Jumper975 115 945 1380995 1345640 1940 420 1750 310 Single Side Return Air − Air volumes in bold require fieldOrder to maintain proper air velocity 230Service Electrical SHOCK, Fire Or Explosion Hazard−090, −110 −135 units ML180UHE BURNER, Combustion AIR Inducer AssemblyHeat Exchanger Removal −045 and −070 unitsPlanned Service Repair Parts ListIntegrated Control Diagnostic Codes RED LEDNormal Heating Mode Abnormal Heating Mode Heating Sequence of OperationHeating Sequence Normal Cooling Mode Abnormal Cooling Mode Cooling Sequence of OperationContinuous FAN Sequence of Operation Start−Up & Performance Check List Unit Operation Cooling ModeTemperature Rise Drain Line

Lennox Merit Series Gas Furnace Upflow/Horizontal air discharge, ML180UHE specifications

The Lenox ML180UHE is a reliable and efficient gas furnace that falls within the Lennox Merit Series. This model is designed for upflow or horizontal air discharge, making it versatile for various installation requirements. With its robust construction and advanced technology, the ML180UHE is ideal for homeowners seeking a dependable heating solution that combines comfort and efficiency.

One of the main features of the ML180UHE is its impressive 80% Annual Fuel Utilization Efficiency (AFUE) rating. This efficiency means that 80 cents of every dollar spent on fuel is used to heat your home while minimizing waste. This furnace is equipped with a multi-speed blower motor that enhances the overall air circulation in your home, providing consistent temperatures and improved comfort.

The ML180UHE features a durable heat exchanger made of high-quality materials, which ensures longevity and reliable performance. The design of the heat exchanger maximizes heat transfer efficiency, allowing the furnace to quickly warm your home while also maintaining optimal efficiency levels throughout its lifespan.

Lennox has integrated advanced technologies into the ML180UHE to enhance its operation and user experience. The unit is compatible with a variety of thermostats, including Lennox's innovative iComfort S30 Smart Thermostat, allowing for easy temperature control and programming capabilities. This smart technology can learn your preferences, optimize energy usage, and enable remote access through a smartphone app.

In addition to its energy efficiency, the ML180UHE offers quiet operation, making it an excellent choice for residential environments. The well-insulated cabinet helps to reduce noise levels, providing a peaceful indoor atmosphere.

Installation and maintenance are simplified with the ML180UHE due to its compact design and accessible components. The furnace is designed to fit into tight spaces, allowing for flexible installation options. Regular maintenance is uncomplicated, ensuring that homeowners can keep the unit running at peak performance with minimal effort.

Overall, the Lennox ML180UHE gas furnace provides users with a reliable, efficient, and quiet heating solution. With its combination of advanced technology, durable design, and ease of use, it is an excellent choice for anyone looking to enhance the comfort of their home while optimizing energy consumption.