Electrical Shock Hazard; Cut Hazard; Unit Introduction - Carrier INFINITIR 15 SEER 48XT-A Owner's Information Manual

Note: Installer: This manual should be left with the equipment user.
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. Have a 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 Fuel Gas
Code (NFGC) NFPA 54/ANSI Z223.1, and the National
Electrical Code (NEC) NFPA 70.
In Canada refer to the current editions of the National Standards
of Canada CAN/CSA- -B149.1 and .2 Natural Gas and Propane
Installation codes, and 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 per-
sonal 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 sugges-
tions which will result in enhanced installation, reliability, or op-
eration.
WARNING
!
FIRE, EXPLOSION, ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury,
death or property damage.
Installation and servicing of this equipment can be hazardous
due to mechanical and electrical components. Only trained
and qualified personnel should install repair or service this
equipment.
WARNING
!
FIRE, EXPLOSION, ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury,
death or property damage.
Do not use this unit if any part has been under water.
Immediately call a qualified service technician to inspect the
unit and to replace any part of the control system which has
been under water.
CAUTION
!

CUT HAZARD

Failure to follow this caution may result in personal injury.
When removing access panels or performing maintenance
functions inside your unit, be aware of sharp sheet metal parts
and screws. Although special care is taken to reduce sharp
edges to a minimum, be extremely careful when handling
parts or reaching into the unit.
!
FIRE AND EXPLOSION HAZARD
What to do if you smell gas:
1. Do not try to light any appliance.
2. Do not touch any electrical switch; do not use any phone in
your building.
3. Leave the building immediately.
4. Immediately call your gas supplier from a nearby phone.
Follow the gas supplier's instructions.
5. If you cannot reach your gas supplier, call the fire
department.
!

ELECTRICAL SHOCK HAZARD

Failure to follow this warning could result in personal injury
and/or death.
Before performing recommended maintenance, be sure the
main power switch to unit is turned off and lock- -out tag is
.
installed.
!
FIRE, EXPLOSION, ELECTRICAL SHOCK HAZARD
Failure to follow this hazard warning could result in personal
injury, death and/or property damage.
1. Do not turn off the electrical power to unit without first
turning off the gas supply.
2. Before attempting to start the gas heating section,
familiarize yourself with all the procedures that must be
followed.
!
FIRE, EXPLOSION HAZARD
Failure to follow this warning could result in personal injury,
death, and/or property damage.
Do not attempt to light by hand.
This 48XT- -A unit is a small packaged HYBRID HEAT® system
that can utilize both the efficiency of heat pump heating and the
comfort of gas heating. The system will optimize for ideal heating,
depending on several factors. This unit uses Puron
friendly refrigerant, for cooling and heat pump heating.
You may notice your two- -stage packaged HYBRID HEAT®
system runs for longer periods of time. Nearly 80% of the time
it's running, it is operating in low- -stage, and your indoor
temperature will remain more consistent with fewer drafts, better
humidity control, enhanced comfort and enhanced energy
efficiency.
Starting or Shutting Off Unit
Note:Your combination heating/cooling unit is equipped with an
automatic direct spark ignition and power combustion blower.
To start unit gas heat:
Refer to Fig.2 for location of unit front access panel. Refer to Fig.
3 for location of gas valve. Refer to Fig. 4 while proceeding with
the following steps.
1. Set the temperature selector on UI to the lowest temperature
setting and set system switch to Emergency Heat.
2. Close the external manual gas shutoff valve.
2
WARNING
WARNING
WARNING
WARNING

UNIT INTRODUCTION

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