Lennox International Inc GWB8-262E-2 Installation Procedure, Minimum Clearances to Combustible

Page 5

4 - INSTALLATION PROCEDURE

!WARNING

Improper installation, adjustment, alteration, service or maintenance could result in death or serious injury.

1.Installation must conform to the requirements of the authority having jurisdiction or, in the absence of such requirements, to the National Fuel Gas Code, ANSI Z223.1/NFPA 54, and/or Natural Gas and Propane Installation Code, CAN/CSA B149.1.

2.Where required by the authority having jurisdiction, the installation must conform to the Standard for Controls and Safety Devices for Automatically fired Boilers, ANSI/ASME CSD-1.

3.Boiler series is classified as a Category I. Vent installation shall be in accordance with "Venting of Equipment ," of the National Fuel Gas Code, ANSI Z223.1/NFPA 54, or "Venting Systems and Air Supply for Appliances," of the Natural Gas and Propane Installation Code, CAN/CSA B149.1, or applicable provisions of the local building codes.

4.Boiler has met safe lighting and other performance criteria with the gas manifold and control assembly on the boiler per the latest revision of ANSI Z21.13/CGA 4.9.

5.Install boiler such that gas ignition system components are protected from water (dripping, spraying, rain, etc.) during appliance operation and service, (circulator replacement, condensate trap, control replacement, etc.).

6.Locate boiler on level, solid base as near chimney as possible and centrally located with respect to heat distribution system as practical.

7.Allow 24 inches (610mm ) at front and right side for servicing and cleaning.

8.When installed in utility room, door should be wide enough to allow largest boiler part to enter, or to permit replacement of another appliance such as water heater.

!WARNING

Fire hazard. Do not install boiler on combustible flooring or carpeting. Failure to follow these instructions could result in death or serious injury.

1.FOR INSTALLATION ON NON-COMBUSTIBLE FLOORS ONLY - For installation on combustible flooring special base must be used. (See Replacement Parts Section.) Boiler can not be installed on carpeting.

Table 3 - MINIMUM CLEARANCE DIMENSIONS

 

Inches

(mm)

 

 

 

Top

6”

(152mm)

Rear

6”

(152mm)

Control Side

7”

(178mm)

Opposite Side

6”

(152mm)

Front

18”

(457mm)

Flue/Vent Connector

6”

(152mm)

Near Boiler Piping

1/2”

(13mm)

NOTE: Greater clearances for access should supersede fire

protection clearances.

*Definition of Alcove is three sided space with no wall in front of boiler. ANSI standard for alcove is 18 inches from front of appliance to leading edge of side walls as shown below.

Minimum Clearances to Combustible

Construction (as seen from above)

 

6"

 

6"

BOILER

7"

 

Control

 

 

 

 

Side

 

Front

 

 

18"

 

5

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Contents GAS-FIRED HOT Water Boilers Product LiteratureDimensions DimensionsInch Boiler Model Number Flue Diameter WidthBoilers for USE AT High Altitude Boiler Ratings and CapacitiesRatings and Capacities Table of Contents Minimum Clearances to Combustible Installation ProcedureRoom Cubic Feet Volume Minimum Room Volume, Indoor Air OnlyVentilation & Combustion AIR CanadaRelief Valve Discharge Line Connecting Supply and Return PipingCheck local DischargeFor USE with Cooling Units Temperature Pressure GaugeTypical Hot Water Piping Bypass Piping Circulator on Supply Chimney and Vent Pipe Connection Connecting The Vent Damper And Vent ConnectorCheck Your Chimney Chimney SizingRemoving Existing Boiler From Common Venting System Minimum Vent Pipe ClearanceVent Damper Manual Operation Vent Damper InstallationGas Pipe Sizes GAS Supply PipingCheck GAS Supply Checking GAS PipingVent Damper Wiring Electrical WiringElectric Power Supply Thermostat InstallationIntegrated High Limit Electronic Ignition Control Wiring DiagramsWiring Diagrams Integrated High Limit Electronic Ignition Control Filling System with Water General InstructionsLight this burner by hand Lighting InstructionsDo not use this appliance if any part has To Turn OFF GAS to ApplianceOperating Your Boiler Check Thermostat Operation Maintaining Your Boiler If Your System is not Heating or not Giving Enough Heat Service HintsPossible Cause What to do If Burner is NoisyEquipment and Optional Accessories Blocked Vent Safety Switch Blocked Vent Safety Shutoff Rollout Switch Flame Rollout Safety ShutoffAdjusting Settings Installation Environment ConsiderationsAppendix a Control Module Electrical ConnectionsOperation State Codes OperationTroubleshooting Error Codes Boiler High Limit Temperature ControllerTroubleshooting Definition ErrorIntermittent Pilot StepCorrect Pilot Flame 3/8 to 1/2 inch in flame. See , Troubleshooting Pilot FlameLennox Industries Inc. Dallas, Texas
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GWB8-299E-2, GWB8-245E-2, GWB8-280E-2, Gas-Fired Hot Water Boiler, GWB8-262E-2 specifications

Lennox International Inc. is a prominent player in the HVAC industry, renowned for its innovative solutions and high-efficiency products. Among its standout offerings is the GWB8 Gas-Fired Hot Water Boiler, available in various models including GWB8-262E-2, GWB8-245E-2, GWB8-280E-2, and GWB8-299E-2. These units are designed to provide reliable and efficient heating solutions for residential applications.

One of the key features of the GWB8 series is its energy-efficient operation. These boilers are designed to achieve an AFUE (Annual Fuel Utilization Efficiency) rating of up to 84%, allowing homeowners to save on energy costs while reducing their environmental footprint. The product utilizes a cast-iron heat exchanger, which promotes optimal heat retention and distribution, ensuring consistent performance throughout the heating season.

The GWB8 series incorporates advanced technologies to enhance comfort and efficiency. A significant innovation is the use of a power venter system that facilitates venting through the sidewall of the home, providing installation flexibility while maintaining safety standards. Additionally, the boilers are equipped with a Honeywell integrated control for precise temperature management and modulating gas valve technology, which adjusts the gas flow to match the heating demand, further optimizing fuel consumption.

Another defining characteristic of the GWB8 models is their durable construction. Designed to withstand the rigors of heating applications, these models feature a robust, powder-painted steel cabinet that helps prevent rusting and corrosion. The access doors are insulated, contributing to overall efficiency while allowing easy maintenance and serviceability.

The GWB8 series is also designed with homeowner comfort in mind. The quiet operation of these boilers ensures that they blend into the living environment without disruptive noise, making them an ideal choice for residential settings. The models are compatible with various heating systems, including hydronic heating, making them versatile and reliable.

Overall, Lennox's GWB8 Gas-Fired Hot Water Boiler series is an excellent choice for homeowners seeking efficient, durable, and reliable heating solutions. With a combination of advanced technologies, energy-efficient performance, and practical features, these boilers set a high standard for residential heating systems in today's market.
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