Installation, Start-Up, and Operating Instructions
NOTE: Read the entire instruction manual before starting the
installation.
This symbol → indicates a change since the last issue.
Index
PROCEDURE ...........................................................................2
INTRODUCTION ..........................................................................2
LOCATION ................................................................................3-4
General ......................................................................................3
Unconfined Space .....................................................................4
Confined Space......................................................................4-5
INSTALLATION........................................................................5-7
GAS PIPING .........................................................................8-9
115-v Wiring ..................................................................9-10
24-v Wiring........................................................................10
Accessories ........................................................................10
VENTING ...............................................................................10
SAFETY CHECK..............................................................11-21
General ....................................................................................11
Cooling Mode .........................................................................13
Heat Pump Mode...............................................................13-14
Defrost Mode ..........................................................................14
Adjustments .......................................................................15-20
Checklist..................................................................................21
SAFETY CONSIDERATIONS
Installation and servicing of 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. All other operations must
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 4
PC 101
Catalog No. 535-803
Tab 6a 8a
Upflow/Horizontal Variable-Speed, 2-Stage
Induced-Combustion Gas Furnaces
Sizes 060-120, Series 100
Page
→
Printed in U.S.A.
Form 58UHV-2SI
®
be performed by trained service personnel. When working on
heating equipment, observe precautions in the literature, on tags,
and on labels attached to or shipped with the unit and other safety
precautions that may apply.
Follow all safety codes. In the United States, refer to the National
Fuel Gas Code (NFGC) NFPA No. 54-1992/ANSI Z223.1-1992.
In Canada, refer to the current edition of the National Standard of
Canada CAN/CGA- B149.1- and .2-M95 Natural Gas and Propane
Installation Codes (NSCNGPIC). Wear safety glasses and work
gloves. Have fire extinguisher available during start-up and
adjustment procedures and service calls.
Recognize safety information. This is the safety-alert symbol
When you see this symbol on the furnace and in instructions or
manuals, be alert to the potential for personal injury.
Understand the signal words DANGER, WARNING, and CAU-
TION. These words are used with the safety-alert symbol. DAN-
GER 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.
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.
Pg 1
58UHV, 58UXV
A PP R O VED
R
ama
.
3-96
Replaces: 58UHV-1SI