Lennox International Inc G61MP Series Units, Gas Units US Installations1 Canadian Installations2

Page 27

VENT TERMINATION CLEARANCES

FOR DIRECT VENT INSTALLATIONS IN THE USA AND CANADA

INSIDE CORNER

DETAIL

 

 

 

G

 

 

 

 

 

A

 

H

D

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

 

B

 

 

 

 

L

C

B

B

I

 

 

 

Fixed

 

 

 

 

Operable

 

 

 

Fixed

Closed

M

 

 

 

 

 

Closed

 

 

 

 

F

 

 

 

 

 

Operable

 

 

 

 

 

B

 

K

 

 

 

 

J

 

 

 

A

 

 

 

 

 

 

 

 

B

 

 

 

 

 

VENT TERMINAL

AIR SUPPLY INLET

AREA WHERE TERMINAL

 

 

IS NOT PERMITTED

 

 

 

 

 

 

 

US Installations1

 

Canadian Installations2

A =

 

Clearance above grade, veranda,

12 inches (305mm) or 12 in. 305mm)

12 inches (305mm) or 12 in. 305mm)

 

 

porch, deck or balcony

above average snow accumulation.

above average snow accumulation.

B =

 

Clearance to window or

6 inches (152mm) for appliances <10,000

6 inches (152mm) for appliances <10,000

 

 

door that may be opened

Btuh (3kw), 9 inches (mm) for appliances

Btuh (3kw), 12 inches (305mm) for

 

 

 

> 10,000 Btuh (3kw) and <50,000 Btuh

appliances > 10,000 Btuh (3kw) and

 

 

 

(15 kw), 12 inches (305mm) for ap-

<100,000 Btuh (30kw), 36 inches (.9m)

 

 

 

pliances > 50,000 Btuh (15kw)

for appliances > 100,000 Btuh (30kw)

C =

 

Clearance to permanently

* 12"

 

* 12"

 

 

closed window

 

 

 

D =

 

Vertical clearance to ventilated soffit

* Equal to or greater than soffit depth

 

 

 

located above the terminal within a

* Equal to or greater than soffit depth

 

 

horizontal distance of 2 feet (mm)

 

 

 

 

 

from the center line of the terminal

 

 

 

E =

 

Clearance to unventilated soffit

* Equal to or greater than soffit depth

* Equal to or greater than soffit depth

F =

 

Clearance to outside corner

* No minimum to outside corner

* No minimum to outside corner

G =

 

Clearance to inside corner

* 3 feet (.9m)

 

* 3 feet (.9m)

H = Clearance to each side of center line ex-

3 feet (.9m) within a height 15 feet (4.5m)

3 feet (.9m) within a height 15 feet (4.5m)

 

tended above meter / regulator assembly

above the meter / regulator assembly

above the meter / regulator assembly

I =

 

Clearance to service regulator

* 3 feet (.9m)

 

3 feet (.9m)

 

 

vent outlet

 

 

 

 

 

 

 

J =

 

Clearance to non−mechanical air

6 inches (152mm) for appliances <10,000

6 inches (152mm) for appliances <10,000

 

 

supply inlet to building or the com-

Btuh (3kw), 9 inches (mm) for appliances

Btuh (3kw), 12 inches (305mm) for

 

 

bustion air inlet to any other ap-

> 10,000 Btuh (3kw) and <50,000 Btuh

appliances > 10,000 Btuh (3kw) and

 

 

pliance

(15 kw), 12 inches (305mm) for ap-

<100,000 Btuh (30kw), 36 inches (.9m)

 

 

 

pliances > 50,000 Btuh (15kw)

for appliances > 100,000 Btuh (30kw)

K =

 

Clearance to mechanical air sup-

3 feet (.9m) above if within 10 feet

6 feet (1.8m)

 

 

ply inlet

(3m) horizontally

 

 

L =

 

Clearance above paved sidewalk or

* 7 feet (2.1m)

 

7 feet (2.1m)

 

paved driveway located on public property

 

 

 

 

 

 

M =

 

Clearance under veranda, porch,

*12 inches (305mm)

 

12 inches (305mm)

 

 

 

 

deck or balcony

1In accordance with the current ANSI Z223.1/NFPA 54 Natural Fuel Gas Code

2In accordance with the current CSA B149.1, Natural Gas and Propane Installation Code

aved driveway that is located

between two single family dwellings and serves both dwellings.

sides beneath the floor. Lennox recommends avoiding this location if possible.

*For clearances not specified in ANSI Z223.1/NFPA 54 or CSA B149.1, clear- ance will be in accordance with local installation codes and the requirements of the gas supplier and these installation instructions."

FIGURE 30

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Contents Table of Contents Installation InstructionsG61MP Unit Dimensions − inches mm TOP ViewFront View Side View Sight Blower Glass AssemblyG61MP Parts Arrangement TOP CAPG61MP Gas Furnace Safety InformationDirect Vent Installation NON−DIRECT Vent InstallationUse of Furnace as Construction Heater Combustion, Dilution & Ventilation Air GeneralEquipment in Confined Space − ALL AIR from Inside Installation − Setting Equipment Equipment operationEquipment in Confined Space − ALL AIR from Outside END View Setting EquipmentFront View Side ViewRefer to Engineering Handbook for additional information Upflow ApplicationsFurnace Front Front ViewNON−COMBUSTIBLE Floor Opening Size Setting an Upflow UnitLeveling Bolt Furnace Locations Bottom Leveling BoltSide View Additive Base Floor Opening SizeBlower Access Panel Typical Horizontal Ceiling ApplicationINTAKE/EXHAUST Connection Support Frame Drain PAN Exhaust Pipe GAS Connector MIN Raised Platform Condensate Line Service PlatformIntake Pipe Duct System Pipe & Fittings SpecificationsPiping and Fittings Specifications FiltersModel DIA Outdoor Termination Kits and Corresponding EquivalenciesVent Piping Guidelines Maximum Vent Pipe Lengths Minimum Vent Pipe LengthsJoint Cementing Procedure Trap Plastic strapping or a large wire tieVenting Practices MAX PlugTypical Exhaust Pipe Connections Direct Vent applications where combustion air is taken From indoors and flue gases are discharged outdoorsTransition Sweep ELL Intake Debris Screen Page Inches 305mm or 12 in mm Inside Corner DetailUS Installations1 Canadian Installations2 TOP View Wall Ring KIT with Straight Intake Exhaust Pipe Termination Size ReductionG61MP Direct Vent Roof Termination KITFront View G61MP Direct Vent Application Using Existing Chimney ANGLE−CUT in DirectionG61MP NON−DIRECT Vent Application Using Existing Chimney Condensate PipingSide View NON−DIRECT Vent Wall Ring Termination Vent Nipple TEE Condensate AssemblyCoupling CLEAN−OUT Access −RINGS CAP HI/LO ScrewsFurnace Isolate GAS Valve Gas PipingGAS Pipe Capacity − FT3/HR kL/HR Horizontal Applications Possible Gas Piping ConfigerationsElectrostatic Discharge ESD Precautions and ProceduresInterior MAKE−UP BOX Installation ElectricalTypical G61MP Field Wiring Diagram Heat / 2 Cool Cut Intact Cut Intact OFF= Error Code Recall H= 24V Humidifier Output L= do not USE DIP Switches FunctionTWO−STAGE Integrated Control Board Integrated Control Board DIP Switch Settings and Jumpers Typical G61MP Wiring Diagram For Your Safety Read Before Operating Integrated Control BoardUnit Start−Up Honeywell VR8205 Series GAS Valve White Rodgers 36E Series GAS ValveGas Pressure Adjustment Urning Off Gas to Unit and call your service techniIf the appliance will not operate, follow the instructions Order TWO Each High Altitude InformationCarbon Monoxide Poisoning Hazard Other Unit AdjustmentsPage 270 Blower Performance DataIn. w.g High Low Cfm Watts 2840 1450 In. w.g High Low Cfm Watts 2720 1385 In. w.g High Low Cfm Watts 2730 1465 Heating Sequence of Operation Electrical SHOCK, Fire Or Explosion Hazard ServicePage Planned Service Ignition Control Board Diagnostic Codes Flash Code Status / Error Description+ Y On Next Troubleshooting Heating Sequence of OperationThermostat Calls for Heat Status LED − Heartbeat Heating Sequence of OperationU1.40 microamps Or Heat Demand is SATISFIED. a Five Cooling Sequence of Operation Troubleshooting Cooling Sequence of OperationTroubleshooting Continuous Fan Sequence of Operation Repair Parts ListContinuous LOW Speed FAN Sequence of Operation − LP/Propane High Fire Manifold Pressure Heat Anticipator Setting? Thermostat Level?Vent Pipe Sizing Worksheet G61MP Start−Up & Performance Check ListLY BELOW. Keep Clear of ALL OBSTRUC- Tions Requirements for Commonwealth of Massachusetts
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Manual 8 pages 10.79 Kb

G61MP Series Units, Gas Units specifications

Lennox International Inc. has established itself as a leader in the heating and cooling industry, and its G61MP Series Gas Units stand as a testament to the company's commitment to innovation and energy efficiency. These gas units are specifically designed for residential applications and are recognized for their reliability, performance, and advanced technology.

One of the main features of the G61MP Series is its variable speed motor, which offers significantly enhanced comfort over traditional single-stage gas units. This technology allows for precise temperature control and improved humidity management. By adjusting its speed according to the heating demand, the unit minimizes temperature fluctuations, leading to a more consistent indoor climate.

Another notable characteristic of the G61MP Series is its ECM blower motor, which operates quietly and efficiently. This motor not only reduces energy consumption but also enhances the overall comfort of the home by providing a steady flow of warm air without the disruptive noise often associated with traditional gas units.

The G61MP Series units are designed with a focus on energy efficiency, boasting an impressive Annual Fuel Utilization Efficiency (AFUE) rating. This rating indicates that these units convert a significant portion of the fuel they consume into usable heat, resulting in lower energy bills for homeowners. The units are equipped with a modulating gas valve that further optimizes fuel usage by adjusting the gas flow according to the heating needs of the home.

Safety is a paramount consideration in the design of the G61MP Series. These units are built with advanced safety features, including a self-diagnostic control system that continuously monitors the unit’s performance. This system alerts homeowners to any potential issues, allowing for proactive maintenance and ensuring the longevity of the equipment.

The G61MP Series is also designed for ease of installation and servicing. Its compact design allows for flexible placement in various home environments, while the user-friendly access panels simplify routine maintenance tasks.

In conclusion, Lennox International Inc.'s G61MP Series Gas Units deliver a combination of advanced technology, energy efficiency, and reliability, making them an excellent choice for homeowners looking to enhance their heating systems. With features designed to maximize comfort, minimize energy costs, and ensure safety, these units represent a significant advancement in residential heating solutions.
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