CARBON MONOXIDE POISONING AND FIRE
HAZARD.
Failure to follow this warning could result in
injury, death, and/or property damage.
This furnace is not designed for use in mobile
homes, trailers or recreational vehicles.
!
ELECTRIC SHOCK HAZARD
Failure to follow this warning
could result in injury or death.
Turn Off All Power Before
Servicing.
!
International Comfort Products, LLC
Lewisburg, TN 37091 U.S.A.
See section 5 for Category I definition.
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 / ANSI Z223.1--2006
©
, 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.
WARNING
WARNING
Printed in U.S.A.
441 01 5003 01
July 2007
80+ SINGLE STAGE GAS FURNACE
Category I Furnace
H8UH5, MUF, HL
220V- 1 ph- 50Hz
SAFETY REQUIREMENTS
Recognize safety information. This is the safety--alert symbol
!
. When you see this symbol on the furnace and in instruction manuals be alert
to the potential for personal injury.
Understand the signal words
DANGER, WARNING,
or
CAUTION.
These words are used with the safety--alert symbol.
DANGER
identifies the
most serious hazards, those that
will
result in severe personal injury or death.
WARNING
signifies a hazard that
could
result in personal injury or
death.
CAUTION
is used to identify unsafe practices that
may
result in minor personal injury or product and property damage. Note is used to
highlight suggestions that will result in enhanced installation, reliability, or operation.
Installing and servicing heating equipment can be hazardous due to gas and electrical components. Only trained and qualified personnel should
install, repair, or service heating equipment.
Untrained service personnel can perform basic maintenance functions such as cleaning and replacing air filters. All other operations must be
performed by trained service personnel. When working on heating equipment, observe precautions in the literature, on tags, and on labels at-
tached to or shipped with the furnace and other safety precautions that may apply.
Follow all safety codes. In the United States, follow all safety codes including the National Fuel Gas Code (NFGC) ANSI Z223.1--2006/NFPA
54--2006. Wear safety glasses and work gloves. Have fire extinguisher available during start--up and adjustment procedures and service calls.
These instructions cover minimum requirements and conform to existing national standards and safety codes. In some instances, these instruc-
tions exceed certain local codes and ordinances, especially those that may not have kept up with changing residential construction practices. We
require these instructions as a minimum for a safe installation.
Table of Contents
1. Safe Installation Requirements
3
. . . . . . . . . . . . . . .
2. Installation
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3. Side Venting
6
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4. Combustion & Ventilation Air
7
. . . . . . . . . . . . . . . . .
5. Gas Vent Installation
10
. . . . . . . . . . . . . . . . . . . . . . .
6. Horizontal Venting
11
. . . . . . . . . . . . . . . . . . . . . . . . .
7. Masonry Chimney Venting
13
. . . . . . . . . . . . . . . . . . .
8. Gas Supply and Piping
15
. . . . . . . . . . . . . . . . . . . . .
9. Electrical Wiring
18
. . . . . . . . . . . . . . . . . . . . . . . . .
10. Ductwork and Filter
19
. . . . . . . . . . . . . . . . . . . . . . .
11. Checks and Adjustments
22
. . . . . . . . . . . . . . . . . . .
12. Furnace Maintenance
27
. . . . . . . . . . . . . . . . . . . . . .
13. Sequence of Operation & Diagnostics
28
. . . . . . . . .
Technical Support/Parts
31
. . . . . . . . . . . . . . . . . . . . . .
