Carrier INFINITY 48XL-A User Manual
48XL---A
Infinityr 15 SEER
Single Packaged Air Conditioner and
Gas Furnace System with PuronR (R ---410A) Refrigerant
Owner’s Information Manual
A09032
Fig. 1 -- Unit 48XL--A
NOTE TO EQUIPMENT OWNER:
For your convenience, please record the model and serial numbers of your new equipment in the spaces
provided. This information, along with the installation data and dealer contact information, will be helpful
should your system require maintenance or service.
UNIT INFORMATION
Model # _____________________________________
Serial # ______________________________________
ACCESSORIES (List type and model #)
_____________________________________________
_____________________________________________
_____________________________________________
NOTE TO INSTALLER:
This manual must be left with the equipment owner.
INSTALLATION INFORMATION
Date Installed ________________________________
DEALERSHIP CONTACT INFORMATION
Company Name_______________________________
Address______________________________________
_____________________________________________
Phone Number _______________________________
Technician Name _____________________________
_____________________________________________
1
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 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.
Note: Installer: This manual should be left with the equipment user.
!
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.
!
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 warningcould 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.
WARNING
WARNING
WARNING
!
WARNING
!
CAUTION
FORYOURSAFETY
Failure to follow this caution may result in personal injury.
Do not store or use gasoline or other flammable vapors and
liquids in the vicinity of this or any other appliance.
!
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 underwater.
Immediately call a qualified service technician to inspect the
unit and to replace any part of the control system which has
been underwater.
WARNING
FIRE, EXPLOSION HAZARD
Failure to follow this warning could result in personalinjury,
death, and/or property damage.
Do not attempt to light by hand.
!
CUT HAZARD
Failure to follow this caution may result in personal injury.
When removing access panels or performing maintenance
functions insideyour unit,be aware of sharp sheetmetal 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.
2
CAUTION
UNIT INTRODUCTION
This 48XL--A unit is a small packaged gas heat/electric cooling system that can utilize the comfort of gas heating packaged along with
efficient electric air conditioning. This unit uses Puron
ronmentally friendly refrigerant, for cooling.
OPERATING YOUR UNIT
The operation of your unit is controlled by the Infinityr User Interface (UI). You simply program the UI and it maintains the indoor
temperature at the level you select. See UI manual for detailed instructions.
To better protect your investmentand to eliminate unnecessary service calls, familiarize yourself with the following facts:
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 temperatureselector on UI to the lowest temperature
setting and set system switch to HEAT.
2. Close the external manual gas shutoff valve.
3. Turn off the electrical supply to the unit.
4. Remove the control access panel with a 5/16--in. nut driver.
(See Fig. 3.)
5. Move the selectorswitch on theinternalgas valveto the OFF
position and wait 5 minutes.
6. Move the selector switch on the internal gas valveto the ON
position.
7. Replace the control access panel.
8. Turn on the electrical supply to unit.
9. Open the external manual gas shutoff valve.
10. Set the temperature selector on UI slightly above room temperature to start unit. The induced--draft combustion air fan
will start.Main gas valvewillopen and main burnersshould
ignitewithin 5 seconds. If the burner does not light within 5
seconds, the ignition module will go into a Retry Modeafter
a period of approximately 22 seconds (following the
5--second ignition period). If the burners do not light within
15 minutes of the initial call for heat, there is a lockout.
11. Set the temperature selector on UI to desired setting.
Filter Access Panel
For Accessory Filter Rack
Access Panels
Fig. 2 -- Accessory Filter Rack Access Panel
®
, the envi-
A09045
Flue Hood
Burners
Fig. 3 -- Gas Heating/Electric Cooling Unit with Access Panel
Removed (Standard unit shown. Actual a ppearance is shown
WARNING
!
FIRE AND EXPLOSION HAZARD
Failure to follow this warning could result in personalinjury,
death, and/or property damage.
1. If the main burners fail to light, or the blower fails to start,
shutdown gasheatingsection and callyourdealerfor service.
2. Never attempt to manually light the main burners on unit
with a match, lighter, or any other flame. If the electric
sparking device fails to light the main burners, refer to the
following shutdown procedures,then callyourdealerassoon
as possible.
To shut off unit gas heat:
!
FIRE, EXPLOSION, ELECTRICAL SHOCK
HAZARD
Failure to follow this warning could result in personalinjury,
death, and/or property damage.
Do not turn off the electrical power to unit without first
turning off the gas supply.
Note:If the unit is being shut down because of a malfunction, call
your dealer as soon as possible.
Should overheating occur or the gas supply failto shut off, shut off
the external manualgasvalveto the unit beforeshutting off the electrical supply. 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 and any gas control
which has been under water.
Refer to Fig. 4 while proceeding with the following steps.
1. Set thetemperature selector on UI to lowest temperature setting and set system SWITCH to OFF.
2. Close the external manual shutoff valve.
3. Turn off the electrical power supply to the unit.
4. Remove the control access panel.
5. Movetheselectorswitch on the internalgas valveto the OFF
position.
To start unit electric cooling:
Refer to Fig. 5 while proceeding with the following steps.
1. Set the temperature selector on UI to highest temperature
setting and set system SWITCH to OFF.
2. Close the external manual shutoff valve, if not already
closed.
3. Turn off the electrical power supply to the unit.
3
WARNING
Gas Valve
in Fig. 2.)
A09043
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