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

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"

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