Lennox International Inc G61MP specifications 1495 2340

Page 5

BLOWER DATA

G61MP−60C−090 PERFORMANCE (Less Filter) − Single Side Return Air − Air volumes in bold require field fabricated transi- tion to accommodate 20 x 25 x 1 in. (508 x 635 x 25 mm) air filter in order to maintain proper air velocity.

External Static

 

 

 

Air Volume / Watts at Different Blower Speeds

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pressure

 

High

 

 

Medium−High

 

 

Medium−Low

 

 

Low

 

in. w.g.

Pa

cfm

L/s

Watts

cfm

L/s

Watts

cfm

L/s

Watts

cfm

L/s

Watts

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.00

0

2835

1335

1495

2340

1105

1155

1800

850

895

1440

680

695

0.10

25

2785

1315

1475

2345

1105

1135

1805

855

865

1515

715

690

0.20

50

2715

1280

1435

2275

1075

1080

1825

860

845

1560

735

685

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.30

75

2620

1235

1380

2260

1065

1035

1840

870

825

1600

755

680

0.40

100

 

1205

1350

 

1055

1015

 

870

815

 

765

670

2550

2230

1845

1620

0.50

125

2450

1155

1305

2175

1025

990

1850

870

790

1615

765

655

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.60

150

2365

1115

1270

2130

1005

940

1830

865

775

1615

760

640

0.70

175

2240

1060

1205

2070

975

915

1815

855

760

1595

755

620

0.80

200

2185

1030

1190

1965

925

865

1775

840

745

1555

735

605

0.90

225

2015

950

1150

1820

860

820

1690

800

715

1440

680

580

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTES − All air data is measured external to unit without filter (not furnished − field provided).

G61MP−60C−090 PERFORMANCE (Less Filter) − Bottom Return Air, Side Return Air with Optional RAB Return Air Base, Return Air from Both Sides or Return Air from Bottom and One Side.

External Static

 

 

 

Air Volume / Watts at Different Blower Speeds

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pressure

 

High

 

 

Medium−High

 

 

Medium−Low

 

 

Low

 

in. w.g.

Pa

cfm

L/s

Watts

cfm

L/s

Watts

cfm

L/s

Watts

cfm

L/s

Watts

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.00

0

2840

1340

1450

2345

1105

1105

1895

895

900

1515

715

700

0.10

25

 

1305

1415

 

1115

1080

 

920

885

 

745

700

2765

2365

1950

1580

0.20

50

2695

1270

1385

2345

1105

1050

1985

935

870

1620

765

695

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.30

75

2605

1230

1335

2315

1090

1030

1990

940

850

1645

775

690

0.40

100

2530

1195

1300

2265

1070

990

1990

940

825

1665

785

675

0.50

125

2420

1140

1260

2210

1045

955

1970

930

800

1675

790

665

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.60

150

2330

1100

1220

2145

1010

925

1930

910

775

1665

785

650

0.70

175

2250

1060

1190

2050

965

885

1875

885

745

1645

775

630

0.80

200

2135

1010

1140

2000

945

865

1810

855

715

1620

765

615

0.90

225

2030

960

1090

1885

890

830

1720

810

685

1560

735

590

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTES − All air data is measured external to unit without filter (not furnished − field provided).

G61MP−60C−110 PERFORMANCE (Less Filter) − Single Side Return Air − Air volumes in bold require field fabricated transi- tion to accommodate 20 x 25 x 1 in. (508 x 635 x 25 mm) air filter in order to maintain proper air velocity.

External Static

 

 

 

Air Volume / Watts at Different Blower Speeds

 

 

 

Pressure

 

High

 

 

Medium−High

 

 

Medium−Low

 

 

Low

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

in. w.g.

Pa

cfm

L/s

Watts

cfm

L/s

Watts

cfm

L/s

Watts

cfm

L/s

Watts

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.00

0

2625

1240

1350

2310

1090

1080

1885

890

885

1515

715

700

0.10

25

2570

1215

1330

2325

1095

1060

1910

900

865

1575

745

700

0.20

50

2410

1135

1305

2285

1080

1035

1930

910

845

1620

765

690

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.30

75

2425

1145

1265

2230

1055

990

1925

905

825

1635

770

675

0.40

100

2335

1100

1220

2175

1025

950

1910

900

810

1640

775

660

0.50

125

2270

1070

1195

2120

1000

935

1895

895

785

1640

775

640

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.60

150

2170

1025

1155

2045

965

885

1860

875

765

1630

770

630

0.70

175

2110

995

1130

1950

920

855

1795

845

730

1590

750

610

0.80

200

2035

960

1090

1885

890

820

1745

825

705

1540

725

580

0.90

225

1900

895

1055

1760

830

780

1665

785

680

1470

695

565

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTES − All air data is measured external to unit without filter (not furnished − field provided).

Page 5

Image 5
Contents G61MP Table of ContentsAfue SpecificationsOptional Accessories − Must be Ordered Extra Direct Vent G61MP−36B−045 Performance Less Filter Blower Data1495 2340 1285 1385 2410 G61MP Parts Arrangement Glass AssemblyTOP CAP Sight BlowerCircuit Breaker CB8 Door Interlock Switch S51−Control Box Control Transformer T1 Integrated Control Board A92Page Integrated Control Board Terminals 120VAC Neutral TWO−STAGE Integrated Control Board120VAC Line Integrated Control Board 5 Pin TerminalSecondary Limit Controls S21 −Blower Compartment Blower Motor B3 and Capacitor C4DS1 DS2 Description Supply AIR BlowerIgnitor −Heating Components Flame SensorBurners Figure Ignitor Bracket Burners Front View Burners TOP ViewCombustion Air Inducer Prove Switch S18 Flame Rollout Switches S47Clamshell Heat Exchanger Primary Limit Control S10First stage Negative Pressure Second stage Positive Dual Combustion AIR Prove SwitchCAI & Cold END Header BOX Assembly Combustion Air Inducer B6 Outdoor Termination Kits and Corresponding Equivalencies II−PLACEMENT and Installation−Vent Piping Guidelines Maximum Vent Pipe Lengths −PVC Joint Cementing ProcedureMinimum Vent Pipe Lengths Upflow or Downflow Direct or NON-DIRECT Vent Applications − Venting PracticesTypical Exhaust Pipe Connections From indoors and flue gases are discharged outdoors Direct Vent applications where combustion air is takenReducer Plug ReducerSweep ELL Carbon Monoxide Poisoning HazardPage − G61MP Vent Termination − AIR Inlet of Other Appliance Exhaust Pipe Termination Size Reduction Side View Front ViewG61MP Direct Vent Application Using Existing Chimney ANGLE−CUT in DirectionSide View NON−DIRECT Vent Wall Ring Termination G61MP NON−DIRECT Vent Application Using Existing ChimneyCondensate Piping Vent Nipple TEE Screw Coupling CLEAN−OUT Access Condensate AssemblyHose clamp −RINGS CAP HI/LO Screws−Heating Start-Up For Your Safety Read Before Operating−Preliminary and Seasonal Checks IV−HEATING System Service Checks A−C.S.A. Certification −Safety or Emergency Shutdown−Testing Gas Piping −Extended Period Shutdown−Check Manifold Pressure −Testing Gas Supply Pressure− Proper Gas Flow Approximate − Proper Combustion− Condensate pH Range − High Altitude−External Static Pressure −Flame Signal−Temperature Rise −Blower Speed Taps VI−MAINTENANCEPage Page VII− Wiring and Sequence of Operation Sequence of Operation On Next Heating Sequence of Operation Normal Operation DS1 and DS2 Simultaneous Slow Flash YES See BOX a LOW Flame Signal YESEN or Heat Demand is SATISFIED. a Five Cooling Sequence of Operation Continuous LOW Speed FAN Sequence of Operation TWO VIII− Field Wiring Applications and Jumper SettingsSingle Transformer CoolLED#2−Off Miswiring of furnace or improper con − Both diagnostic lights fail to light upDoor interlock switch failure − Diagnostic lights flash the roll−out− Diagnostic lights flash the limit failure mode Uous fan demand Primary, secondary or backup seconLED#1−Slow Flash Miswiring of furnace or improper Connections at limit switchesLED#1−Off Prove switch lines damaged Switch failure code 2.5 minutes afterCondensate in prove switch line Prove switch does not close due to aSwitch code Terminating the unit − Diagnostic lights flash the pressureWith a heating demand Installed − After 5 tries the control diagnostics− Diagnostic lights flash roll−out fail − Roll−out switch trips duringFails to stay lit Operation. Problem is characterized − Combustion air inducer energizesNostic lights flash low flame sense Burner Mode Er motorLED#1−Slow Flash Sensor rod is contaminatedService Notes

G61MP specifications

Lennox International Inc. has long been a leader in HVAC solutions, and the G61MP gas furnace exemplifies the company's commitment to innovation and energy efficiency. This high-efficiency gas furnace operates with an Annual Fuel Utilization Efficiency (AFUE) of up to 96%, allowing homeowners to save significantly on energy costs while maintaining a comfortable indoor environment.

One of the primary features of the G61MP is its modulating gas valve. This technology enables the furnace to operate at multiple levels of heating output, ensuring that it can adjust its performance according to the home’s heating demands. By modulating the heating output, the G61MP maximizes efficiency and minimizes energy waste, providing a consistent temperature and improved comfort.

The G61MP also incorporates advanced two-stage heating, which enhances its performance by reducing temperature fluctuations in the home. This feature is especially beneficial during transitional weather periods when heating needs may vary widely. With its ability to operate on a lower stage most of the time, the furnace can produce quieter operation and reduced energy consumption.

In terms of design, the G61MP includes a sealed combustion chamber that draws air from outside the home for combustion, enhancing safety and efficiency. This design feature eliminates the need for indoor air, improving indoor air quality. The furnace is also equipped with a high-efficiency ECM blower motor that not only boosts comfort but operates quietly and uses less electricity compared to traditional motors.

Further enhancing its efficiency, the G61MP utilizes a variable-speed blower, which allows for precise control of airflow throughout the home. This results in better humidity control and improved air distribution, providing an overall more comfortable environment.

The Lennox G61MP is compatible with the iComfort S30 smart thermostat, allowing homeowners to control their heating remotely, adjust settings based on their schedules, and access energy usage data. This connectivity transforms the G61MP into an integral part of a smart home ecosystem, facilitating energy conservation and comfort optimization.

Lastly, the G61MP is designed with durability in mind. Its robust construction and high-quality materials ensure reliable performance and lengthy service life. Homeowners can feel assured that they are investing in a heating solution that will meet their needs for many winters to come. In summary, the Lennox G61MP gas furnace stands out with its high efficiency, advanced technology, and user-friendly features, making it a top choice for homeowners seeking exceptional heating performance.