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These instructions must be read and understood completely before attempting installation.
Safety Labeling and Signal Words
DANGER, WARNING, CAUTION, and NOTE
The signal words DANGER, WARNING,
CAUTION, and NOTE are used to identify levels of
hazard seriousness. The signal word DANGER is
only used on product labels to signify an immediate
hazard. The signal words WARNING, CAUTION,
and NOTE will be used on product labels and
throughout this manual and other manual that may
apply to the product.
DANGER - Immediate hazards which will result in
severe personal injury or death.
Signal Words in Manuals
The signal word WARNING is used throughout
this manual in the following manner:
The signal word CAUTION is used throughout
this manual in the following manner:
WARNING - Hazards or unsafe practices which
could result in severe personal injury or death.
CAUTION - Hazards or unsafe practices which
may result in minor personal injury or product or
property damage.
NOTE - Used to highlight suggestions which will
result in enhanced installation, reliability, or
operation.
TABLE OF CONTENTS
Signal Words on Product Labeling
Signal words are used in combination with
colors and/or pictures or product labels.
Zt& Safety-alert symbol
When you see this symbol on the unit and in
instructions or manuals, be alert to the
potential for personal injury.
SAFETY CONSIDERATIONS .............................. 3
INTRODUCTION ......................................... 4
CODES AND STANDARDS ................................ 4
ELECTROSTATIC DISCHARGE (ESD) ..................... 5
DIMENSIONS ........................................... 6
LOCATION RELATIVE TO COOLING EQUIPMENT ........... 8
AIR FOR COMBUSTION AND VENTILATION ................ 9
CONDENSATE TRAP .................................... 12
INSTALLATION .......................................... 19
UPFLOW INSTALLATION ................................. 19
DOWNFLOW INSTALLATION .............................. 20
HORIZONTAL INSTALLATION ............................. 21
AIR DUCTS ............................................. 27
GAS PIPING ............................................. 27
ELECTRICAL CONNECTIONS ............................. 29
J-BOX INSTALLATION ................................... 31
VENTING ............................................... 36
SPECIAL VENTING REQUIREMENTS FOR
INSTALLATIONS IN CANADA ............................. 36
DIRECT VENT / 2-PIPE SYSTEM .......................... 40
VENTILATED COMBUSTION AIR .......................... 4t
TERMINATION REQUIREMENTS FOR THE PROVINCES
OF ALBERTA AND SASKATCHEWAN ...................... 4t
INSTALLING THE VENT TERMINATION .................... 50
MAXIMUM EQUIVALENT VENT LENTH ..................... 55
MAXIMUM ALLOWABLE EXPOSED VENT LENGTHS ........ 58
(SO9001)
Use of the AHR( Certified TM Mark indicates a
manufacturer's participation in the program.
For verification of certification for individual
products, go to www.ahridirectory.org .
INSTALLER: Affix these instructions on or adjacent to the
furnace.
CONSUMER: Retain these instructions for future
reference.
Portions of the text and tables are reprinted from NFPA 54/ANS( Z223.1-2009_<;P, with permission of National Fire Protection Association, Quincy, MA 02269 and American Gas Association, Washington, DC
20001. This reprinted material is not the complete and official position of the NFPA or ANSI, on the referenced subject, which is represented only by the standard in its entirety.
PrintedinU.S.A. 440 01 4001 04 July2012
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