7
60
0
(27º C)
(16º C)
A05004
Fig. 4 -- Return--Air Temperature
18-IN. (457.2 mm)
MINIMUM TO BURNERS
A93044
Fig. 5 -- Installation in a Garage
The furnace shall be installed so that the electrical components are
protected from water.
For accessory installation details, refer to applicable installation
literature.
CODES AND STANDARDS
Follow all national and local codes and standards in addition
to these instructions.
The installation must comply with
regulations of the serving gas supplier, local building, heating,
plumbing, and other codes. In absence of local codes, the
installation must comply with the national codes listed below and
all authorities having jurisdiction in Canada.
In the United States and Canada, follow all codes and standards for
the following:
Safety
S
US: National Fuel Gas Code (NFGC) NFPA 54/ANSI Z223.1
and the Installation Standards, Warm Air Heating and Air
Conditioning Systems ANSI/NFPA 90B
S
CANADA: National Standard of Canada, Natural Gas and
Propane Installation Code (NSCNGPIC) CSA B149.1
General Installation
S
US: NFGC and the NFPA 90B. For copies, contact the National
Fire Protection Association Inc., Batterymarch Park, Quincy,
MA 02269; or for only the NFGC contact the American Gas
Association, 400 N. Capitol, N.W., Washington DC 20001
S
CANADA: NSCNGPIC. For a copy, contact Standard Sales,
CSA International, 178 Rexdale Boulevard, Etobicoke
(Toronto), Ontario, M9W 1R3, Canada.
Combustion and Ventilation Air
S
US: Section 9.3 of the National Fuel Gas Code NFPA 54/ANSI
Z223.1--2009, Air for Combustion and Ventilation
S
CANADA: Part 8 of the NSCNGPIC, Venting Systems and Air
Supply for Appliances
Duct Systems
S
US and CANADA: Air Conditioning Contractors Association
(ACCA) Manual D, Sheet Metal and Air Conditioning
Contractors National Association (SMACNA), or American
Society of Heating, Refrigeration, and Air Conditioning
Engineers (ASHRAE) 2005 Fundamentals Handbook
Chapter 35.
Acoustical Lining and Fibrous Glass Duct
S
US and CANADA: current edition of SMACNA, NFPA 90B as
tested by UL Standard 181 for Class I Rigid Air Ducts
Gas Piping and Gas Pipe Pressure Testing
S
US: National Fuel Gas Code NFPA 54/ANSI Z223.1--2009
Chapters 5,6,7, and 8 and national plumbing codes
S
CANADA: CAN/CSA B149.1--05 Parts 4,5,6, and 9.
In the state of Massachusetts:
S
This product must be installed by a licensed plumber or gas
fitter.
S
When flexible connectors are used, the maximum length shall
not exceed 36 inches.
S
When lever type gas shutoffs are used they shall be T--handle
type.
S
The use of copper tubing for gas piping is not approved by the
state of Massachusetts.
Electrical Connections
S
US: National Electrical Code (NEC) ANSI/NFPA 70
S
CANADA: Canadian Electrical Code CSA C22.1
355B
A
V
