Lennox International Inc G61MP specifications 1285 1385 2410

Page 6

BLOWER DATA

G61MP−60C−110 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

2720

1285

1385

2410

1135

1090

2055

970

935

1620

765

710

0.10

25

2665

1255

1355

2385

1125

1075

2025

955

885

1730

815

735

0.20

50

 

1220

1315

 

1110

1015

 

955

865

 

795

690

2585

2350

2030

1680

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.30

75

2505

1180

1275

2290

1080

990

2025

955

840

1695

800

675

0.40

100

2435

1150

1250

2235

1055

940

2030

960

830

1695

800

660

0.50

125

2350

1110

1205

2170

1025

930

1975

930

790

1735

820

665

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.60

150

2255

1065

1185

2100

990

895

1915

905

765

1720

810

650

0.70

175

2160

1020

1150

2005

945

840

1865

880

730

1680

795

635

0.80

200

2020

955

1090

1905

900

825

1810

855

710

1625

765

610

0.90

225

1910

900

1050

1820

860

795

1705

805

675

1540

725

590

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

G61MP−60D−135 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

Pressure

in. w.g. Pa

High

cfm L/s Watts

Air Volume / Watts at Different Blower Speeds

 

Medium−High

 

 

Medium−Low

 

cfm

L/s

Watts

cfm

L/s

Watts

 

 

 

 

 

 

Low

cfm L/s Watts

0.00

0

2665

1260

1440

2325

1095

1100

1865

880

890

1410

665

690

0.10

25

2615

1235

1405

2310

1090

1065

1915

905

865

1465

690

685

0.20

50

2530

1195

1370

2280

1075

1055

1925

910

850

1570

740

675

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.30

75

2470

1165

1330

2235

1055

1015

1920

905

825

1590

750

670

0.40

100

2380

1125

1290

2175

1025

985

1910

900

805

1590

750

655

0.50

125

2310

1090

1265

2120

1000

965

1890

890

790

1595

755

645

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.60

150

2200

1035

1230

2055

970

935

1835

865

765

1580

745

630

0.70

175

2120

1000

1190

1970

930

900

1790

845

740

1545

730

605

0.80

200

2025

955

1160

1890

890

875

1720

810

710

1515

715

590

0.90

225

1930

910

1110

1800

850

835

1655

780

685

1440

680

570

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

G61MP−60D−135 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

2730

1290

1465

2425

1145

1125

2055

970

915

1560

735

680

0.10

25

2670

1260

1440

2400

1135

1100

2065

975

890

1590

750

675

0.20

50

2600

1225

1400

2365

1115

1070

2045

965

865

1620

765

665

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.30

75

2525

1190

1360

2315

1095

1045

2035

960

845

1615

760

655

0.40

100

2445

1155

1325

2260

1065

1015

2020

955

820

1615

760

645

0.50

125

2360

1115

1280

2195

1035

985

1960

925

790

1610

760

635

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.60

150

2290

1080

1255

2130

1005

965

1900

895

755

1600

755

615

0.70

175

2205

1040

1220

2035

960

910

1825

860

730

1570

740

600

0.80

200

2110

995

1195

1945

915

880

1765

830

710

1540

725

580

0.90

225

1970

930

1120

1835

865

830

1680

795

690

1540

725

545

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

Page 6

Image 6
Contents Table of Contents G61MPSpecifications Optional Accessories − Must be Ordered ExtraAfue Direct Vent Blower Data G61MP−36B−045 Performance Less Filter1495 2340 1285 1385 2410 TOP CAP Glass AssemblyG61MP Parts Arrangement Sight Blower−Control Box Control Transformer T1 Door Interlock Switch S51Circuit Breaker CB8 Integrated Control Board A92Page 120VAC Line TWO−STAGE Integrated Control BoardIntegrated Control Board Terminals 120VAC Neutral Integrated Control Board 5 Pin TerminalDS1 DS2 Description −Blower Compartment Blower Motor B3 and Capacitor C4Secondary Limit Controls S21 Supply AIR BlowerBurners Figure −Heating Components Flame SensorIgnitor Ignitor Bracket Burners Front View Burners TOP ViewClamshell Heat Exchanger Flame Rollout Switches S47Combustion Air Inducer Prove Switch S18 Primary Limit Control S10Dual Combustion AIR Prove Switch CAI & Cold END Header BOX AssemblyFirst stage Negative Pressure Second stage Positive Combustion Air Inducer B6 II−PLACEMENT and Installation Outdoor Termination Kits and Corresponding Equivalencies−Vent Piping Guidelines −PVC Joint Cementing Procedure Minimum Vent Pipe LengthsMaximum Vent Pipe Lengths − Venting Practices Upflow or Downflow Direct or NON-DIRECT Vent ApplicationsTypical Exhaust Pipe Connections Reducer Plug Direct Vent applications where combustion air is takenFrom indoors and flue gases are discharged outdoors ReducerCarbon Monoxide Poisoning Hazard Sweep ELLPage − G61MP Vent Termination − AIR Inlet of Other Appliance Exhaust Pipe Termination Size Reduction Front View Side ViewUsing Existing Chimney ANGLE−CUT in Direction G61MP Direct Vent ApplicationG61MP NON−DIRECT Vent Application Using Existing Chimney Condensate PipingSide View NON−DIRECT Vent Wall Ring Termination Hose clamp Condensate AssemblyVent Nipple TEE Screw Coupling CLEAN−OUT Access −RINGS CAP HI/LO ScrewsFor Your Safety Read Before Operating −Preliminary and Seasonal Checks−Heating Start-Up −Testing Gas Piping −Safety or Emergency ShutdownIV−HEATING System Service Checks A−C.S.A. Certification −Extended Period Shutdown− Proper Gas Flow Approximate −Testing Gas Supply Pressure−Check Manifold Pressure − Proper Combustion− High Altitude − Condensate pH Range−Flame Signal −Temperature Rise−External Static Pressure VI−MAINTENANCE −Blower Speed TapsPage Page VII− Wiring and Sequence of Operation Sequence of Operation On Next Heating Sequence of Operation See BOX a LOW Flame Signal YES Normal Operation DS1 and DS2 Simultaneous Slow Flash YESEN or Heat Demand is SATISFIED. a Five Cooling Sequence of Operation Continuous LOW Speed FAN Sequence of Operation VIII− Field Wiring Applications and Jumper Settings SingleTWO Cool TransformerDoor interlock switch failure − Both diagnostic lights fail to light upLED#2−Off Miswiring of furnace or improper con − Diagnostic lights flash the roll−outLED#1−Slow Flash Miswiring of furnace or improper Uous fan demand Primary, secondary or backup secon− Diagnostic lights flash the limit failure mode Connections at limit switchesCondensate in prove switch line Switch failure code 2.5 minutes afterLED#1−Off Prove switch lines damaged Prove switch does not close due to aWith a heating demand Installed Terminating the unit − Diagnostic lights flash the pressureSwitch code − After 5 tries the control diagnosticsFails to stay lit Operation. Problem is characterized − Roll−out switch trips during− Diagnostic lights flash roll−out fail − Combustion air inducer energizesLED#1−Slow Flash Mode Er motorNostic lights flash low flame sense Burner 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.