Lennox G26 series Installation Instructions Manual page 4

All G26
units are CSA International certified to ANSI
Z21.47 and CSA 2.3 standards.
In the USA, installation of Lennox gas central fumaces must
conform with local building codes. In the absence of local
codes, units must be installed according to the current Na-
tional Fuel Gas Code (ANSI-Z223.1) in the United States.
The National Fuel Gas Code is available from the following
address:
American National Standards Institute, Inc.
11 West 42nd Street
New York, NY 10036
In Canada, installation must conform with current National
Standard of Canada CAN/CGA-B149.1 "Installation Code
for Natural Gas Burning Appliances and Equipment" and
CAN/CGA-B149.2 "Installation Code for Propane Gas
Burning Appliances and Equipment," local plumbing or
waste water codes and other applicable local codes.
Adequate clearance must be made around the air open-
ings into the vestibule area. Provisions must be made for
proper operation and for combustion air and ventilation air
supply according to the current National Fuel Gas Code or
CAN/CGA-B149 standards.
This fumaca is CSA Intemational certified for installation
clearances to combustible matedal as listed on the unit rating
plate and in table 1.
TABLE 1
Clearances
Service access
To combustible
materials
Location
Front
Condensate side
Top
Exhaust
Side, rear, and front
Flnor
Inches (ram)
24 (610)
3 (76)
(fromside of
unit)
1 (25)
0
0
o*
*Appliance shall not be installed directly on carpeting, tile or other combustible mate-
rial other than wood flooring.
NOTE-Service access clearance mum be rnaintalee_
NOTE - For installation on combustible floors, the fumace shall
not be installed directlyon carpeting, bTe,or o_er combustible
material other than wood flooring.
Accessibility and service clearances must take prece-
dence over fire protection clearances.
For installation in a residential garage, the fumace must be
installed so that the bumer(s) and the ignitionsource are lo-
cated no less than 18 inches (457 mm) above the floor. The
furnace must be located or protected to avoid physical dam-
age by vehicles.When a fumace is installedin a publicgarage,
hangar, or other buildingthat has a hazardous atmosphere,
the fumaca must be installed according to recommended
good practice requirements and current Na'donalFuel Gas
Code or CAN/CC_ B149.1 and B149.2 standards.
The fumace must be adjusted to obtain a temperature dse
within the range specified on the unit rating plate.
When installed, the furnace must be electrically grounde_:
according to local codes. In addition, in the United States
installation must conform with the current National Electric
Code, ANSI/NFPA No. 70. The National Electric Code
(ANSI/NFPA No. 70) is available from the following ad-
dress:
National Fire Protection Association
1 Battery March Park
Quincy, MA 02269
Wiring to be done in the field, between the furnace and de-
vices not attached to the furnace or between separate de-
vices which are field-installed and located, shall conform
with the temperature limitation for type T wire [63°F (17°C)
rise] when installed in accordance with these instructions.
G26 unit must be installed so that electrical components
are protected from water.
When the furnace is installed so that supply ducts carry air
circulated by the furnace to areas outside of the space con-
taining the furnace, return air shall be handled by a duct(s)
sealed to the fumaca casing and terminating out-side
space containing furnace.
41 WARNING /
NOTE - G26 series units must not be used as a construc-
tion heater during any phase of construction. Very low re-
turn air temperatures, harmful vapors and misplacement of
the filters will damage the unit and lower its efficiency.
These inslructJons a re intendedas a general guide and do not_
supersede local codes in any way. Consult authoritieshavir_
judsdic_onbefore installation.
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