September 2019
Specifications subject to change without notice.
X40159 Rev. E
These instructions must be read and understood completely before attempting installation.
SAFETY CONSIDERATIONS
Improper
installation,
adjustment,
alteration,
service,
maintenance, or use can cause explosion, fire, electrical shock, or
other conditions which may cause death, personal injury, or
property damage. Consult a qualified installer, service agency, or
your distributor or branch for information or assistance. The
qualified installer or agency must use factory-authorized kits or
accessories when modifying this product. Refer to the individual
instructions packaged with the kits or accessories when installing.
Follow all safety codes. Wear safety glasses, protective clothing,
and work gloves. Use quenching cloth for brazing operations.
Have fire extinguisher available. Read these instructions
thoroughly and follow all warnings or cautions included in literature
and attached to the unit. Consult local building codes, the current
editions of the National Electrical Code (NEC) NFPA-70.
In Canada refer to the current editions of the Canadian Electrical
Code CSA C22.1 Recognize safety information.
This is the safety-alert symbol
. When you see this symbol on
the unit and in instructions or manuals, be alert to the potential for
personal injury. Understand these signal words;
DANGER,
WARNING,
and
CAUTION
. 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
hazards which
could
result in personal injury or death.
CAUTION
is used to identify unsafe practices which
may
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.
TABLE OF CONTENTS
General Information/Installation .................................... 2
Installation..................................................................... 2
Vertical/Horizontal Installation ...................................... 3
Ductwork Connection .................................................... 4
Filter Installation ............................................................ 4
Electrical Connection ..................................................... 4
Blower Performance ...................................................... 8
Sequence of Operation ................................................ 10
Wiring Diagram ............................................................ 11
Replacement Parts ....................................................... 12
WARNING
ELECTRICAL SHOCK HAZARD
Failure to turn off electric power could result in
personal injury or death.
Before installing or servicing system, turn off main
power to the system. There may be more than one
disconnect switch, including accessory heater(s).
INSTALLATION INSTRUCTIONS
Air Handler (Electric furnace)
AHF080014, AHF120017, AHF160021, AHF200024
