Lennox International Inc MERIT SERIES GAS FURNACE DOWNFLOW AIR DISCHARGE, ML193DF Blower Data

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BLOWER DATA

ML193DF045P36B PERFORMANCE (Less Filter)

External

Air Volume / Watts at Various Blower Speeds

Static

High

Medium-

Medium-

Low

Pressure

High

Low

 

 

in. w.g.

 

 

 

 

cfm Watts

cfm Watts

cfm Watts cfm Watts

 

0.001615 650 1385 555 1205 465 1045 390

0.101605 640 1375 545 1195 455 1035 380

0.201500 620 1340 525 1165 445 1015 370

0.301450 590 1290 490 1125 420 975 365

0.401350 560 1235 480 1090 405 920 345

0.501300 545 1170 450 1035 380 875 335

0.601195 500 1095 425 990 365 840 320

0.701140 485 1020 400 895 345 780 300

0.80

1025

450

920

370

840

330

695

275

0.90945 435 800 335 700 295 605 250

ML193DF070P36B PERFORMANCE (Less Filter)

External

Air Volume / Watts at Various Blower Speeds

Static

High

Medium-

Medium-

Low

Pressure

High

Low

 

 

in. w.g.

 

 

 

 

cfm Watts

cfm Watts

cfm Watts cfm Watts

 

0.001505 660 1310 570 1090 455 940 390

0.101480 625 1295 550 1070 435 935 365

0.201405 585 1255 515 1055 425 930 350

0.301355 580 1225 475 1045 405 900 330

0.401305 540 1165 470 1010 385 890 325

0.50

1270

525

1110

425

975

370

835

305

0.601175 500 1080 415 925 345 815 290

0.701105 460 1000 395 855 320 745 270

0.80

1040

440

925

365

790

300

670

250

0.90

920

400

825

335

680

270

560

225

ML193DF090P48C PERFORMANCE (Less Filter)

External

Air Volume / Watts at Various Blower Speeds

Static

High

Medium-

Medium-

Low

Pressure

High

Low

 

 

in. w.g.

 

 

 

 

cfm Watts

cfm Watts

cfm Watts cfm Watts

 

0.002145 900 1865 740 1545 635 1295 530

0.102135 890 1855 730 1540 625 1290 520

0.202065 845 1815 710 1525 600 1285 500

0.302010 825 1760 685 1510 580 1275 485

0.401930 775 1705 630 1495 575 1235 455

0.501845 740 1645 610 1450 530 1215 450

0.601745 700 1525 550 1380 505 1185 430

0.701620 650 1460 535 1315 480 1110 405

0.801450 585 1340 505 1220 445 1020 375

0.901320 555 1130 450 1010 385 920 345

ML193DF110P60C PERFORMANCE (Less Filter)

External

Air Volume / Watts at Various Blower Speeds

Static

High

Medium-

Medium-

Low

Pressure

High

Low

 

 

in. w.g.

 

 

 

 

cfm Watts

cfm Watts

cfm Watts cfm Watts

 

0.002410 1390 2190 1080 1860 910 1560 735

0.102405 1385 2180 1070 1855 905 1555 730

0.202285 1345 2120 1030 1850 865 1540 720

0.302220 1315 2015 1005 1770 840 1535 705

0.402185 1295 1950 955 1750 815 1530 685

0.502045 1240 1830 925 1680 790 1500 660

0.601965 1220 1710 890 1575 755 1445 640

0.701820 1165 1610 850 1495 720 1370 615

0.801625 1155 1510 820 1400 695 1315 595

0.901455 1110 1390 790 1350 660 1210 565

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Contents Table of Contents Installation Instructions ML193DFML193DF ML193DF Unit Dimensions − inches mmML193DF Parts Arrangement BAG AssemblyControl BOX Blower MotorDirect Vent Installation NON−DIRECT Vent Safety InformationML193DF Gas Furnace Shipping and Packing ListUse of Furnace as Construction Heater Combustion, Dilution & Ventilation Air GeneralEquipment in Confined Space − ALL AIR from Inside Equipment in Confined Space − ALL AIR from Outside Shipping Bolt RemovalFront Horizontal Back Installation − Setting EquipmentSetting Equipment NC‡ NON−COMBUSTIBLE Floor Opening Size− Seal the cabinet and check for air leaks Combustible Flooring Base Opening SizeSide View Piping and Fittings Specifications Pipe & Fittings SpecificationsFilters Duct SystemOutdoor Termination Kits Usage Venting Practices Joint Cementing ProcedurePiping Suspension Guidelines ScheduleML193DF MIN. Vent Length Model Vent Piping GuidelinesMinimum Vent Pipe Lengths Maximum Allowable Intake or Exhaust Vent Length in Feet Intake Exhaust Typical Exhaust Pipe ConnectionsTypical Intake Pipe Connections Typical AIR Intake Pipe Connections Inches 305mm or 12 in mm Inside Corner DetailUS Installations1 Canadian Installations2 FLUSH−MOUNT Side Wall Termination KIT 51W11 − On field supplied terminations, a minimum distanceDirect Vent Roof Termination KIT 51mm 76mm Vent Pipe Required to Adapt Reducer MAY beUnconditioned Space SupportTop View Front ViewExhaust NON−DIRECT Vent Roof Termination KIT 203mm − 305mmML193DF NON−DIRECT Vent Application Using Existing Chimney To drain ML193DF with Evaporator CoilTrap / Drain Assembly Using 1/2 PVC or 3/4 PVC Furnace Isolate GAS Valve Gas PipingGAS Pipe Capacity − FT3/HR kL/HR Electrostatic Discharge ESD Precautions and ProceduresElectrical Interior MAKE−UP BOX FACTORY− Installed Left Side MAKE−UPExterior MAKE−UP BOX BOX InsideThermostat Designations Typical ML193DF Field Wiring DiagramTypical ML193DF Wiring Diagram Unit Start−Up For Your Safety Read Before OperatingIntegrated Control Automatic Hot Surface Ignition SystemPage GAS Meter Clocking Chart Gas Pressure AdjustmentProper Combustion High Altitude Information73W37 73W81 68W68 74W90 74W91 69W73 2286 − 3038m2286m 3048m No Jumper Other Unit AdjustmentsHeat FAN-OFF Time in Seconds High Low In. w.g Cfm Watts Cfm Watts cfm Watts Blower DataElectrical SHOCK, Fire Or Explosion Hazard ServicePage Ignition Control Board Diagnostic Codes Planned ServiceDiagnostic Codes LED #1 Red LED #2 GreenHeating Sequence of Operation Troubleshooting Heating Sequence of OperationNormal Heating Mode Abnormal Heating Mode Heating Sequence Cooling Sequence of Operation Troubleshooting Cooling Sequence of OperationNormal Cooling Mode Abnormal Cooling Mode Continuous Heat Speed FAN Sequence of Operation Troubleshooting Continuous Fan Sequence of OperationRepair Parts List GAS Supply Start−Up & Performance Check ListReturn AIR Duct System Supply AIR Duct Intake / Exhaust PipeTotal External Static Drain Line Temperature RiseCondensate Line Thermostat Vent PipeLY BELOW. Keep Clear of ALL OBSTRUC- Tions Requirements for Commonwealth of Massachusetts