5
60
0
A05004
Fig. 4
---
Return--Air Temperature
18-IN. 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:
Step 1
—
Safety
S
US: National Fuel Gas Code (NFGC) NFPA
54--2002/ANSI Z223.1--2002 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--05
Step 2
—
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.
Step 3
—
Combustion and Ventilation Air
S
US: Section 9.3 of the NFGC, Air for Combustion and
Ventilation
S
CANADA: Part 7 of the NSCNGPIC, Venting Systems
and Air Supply for Appliances
Step 4
—
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) 2001 Fundamentals Handbook Chapter 34.
Step 5
—
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
Step 6
—
Gas Piping and Gas Pipe Pressure
Testing
S
US: NFGC; chapters 5, 6, 7, and 12 and national
plumbing codes
S
CANADA: NSCNGPIC Parts 3, 4, 5, A, B, E, G, and
H
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.
Step 7
—
Electrical Connections
S
US: National Electrical Code (NEC) ANSI/NFPA
70--2002
S
CANADA: Canadian Electrical Code CSA C22.1
58U
VB