NOTE: Read the entire instruction manual before starting the
installation.
TABLE OF CONTENTS
Introduction ....................................................................................1
Safety.........................................................................................4
Duct Systems ............................................................................4
Applications....................................................................................5
General ......................................................................................5
Location ..........................................................................................5
General ......................................................................................5
Unconfined Space .....................................................................6
Confined Space .........................................................................6
Air Ducts...................................................................................7
Installation ......................................................................................8
Gas Piping.................................................................................9
General ....................................................................................14
Adjustments.............................................................................21
Checklist..................................................................................26
SAFETY CONSIDERATIONS
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 personnel can perform basic maintenance functions
such as cleaning and replacing air filters.
Observe precautions in the literature, on tags, and on labels
attached to or shipped with the unit and other safety precautions
that may apply.
Installation, Start-up, and
Operating Instructions
SINGLE-STAGE INDUCED COMBUSTION
DELUXE 4-WAY MULTIPOISE FURNACE
-1-
Cancels: New
REGISTERED QUALITY SYSTEM
These instructions cover minimum requirements and conform to
existing national standards and safety codes. In some instances,
these instructions exceed certain local codes and ordinances,
especially those that may not have kept up with changing residen-
tial construction practices. We require these instructions as a
minimum for a safe installation.
Wear safety glasses and work gloves. Have fire extinguisher
available during start-up and adjustment procedures and service
calls.
This is the safety alert symbol
the furnace and in instructions or manuals, be alert to the potential
for personal injury.
Understand the signal words DANGER, WARNING, CAUTION,
and NOTE. These words are used with the safety-alert symbol.
DANGER identifies the most serious hazards which will result in
severe personal injury or death. WARNING signifies a hazard
which could result in personal injury or death. CAUTION is used
to identify unsafe practices which would result in minor personal
injury or product and property damage. NOTE is used to highlight
suggestions which will result in enhanced installation, reliability,
or operation.
INTRODUCTION
The 311AAV, Series 100 (limited) 4-way multipoise Category I
furnace is CSA (A.G.A. and C.G.A.) design certified for natural
and propane gas and for installation in alcoves, attics, basements,
closets, utility rooms, crawlspaces, and garages. The furnace is
factory-shipped for use with natural gas. A CSA (A.G.A. and
C.G.A.) listed gas conversion kit is required to convert furnace for
use with propane gas. This furnace is not approved for installation
in mobile homes, recreational vehicles, or outdoors.
These furnaces shall not be installed directly on carpeting, tile, or
any other combustible material other than wood flooring. For
downflow installations, a factory accessory floor base must be
used when installed on combustible materials and wood flooring.
This special base is not required when this furnace is installed on
the manufacturer's coil assembly, or when the manufacturer's coil
box is used.
311AAV
Series
100
II 311A-91-1
11-00
CERTIFIED
®
.When you see this symbol on
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