Carrier 48VL-A, 48ES-A User Manual
48ES---A and 48VL --- A
Comfort™ and Performance™ 13 and 14 SEER
Single Packaged Air Conditioner and Gas Furnace System
With Puron (R --- 410A) Refrigerant
Single and Three Phase
2 --- 5 N o m i n a l To n s ( S i z e s 2 4 --- 6 0 )
Owner’s Information Manual
48ES--A Without Economizer
48ES--A With Economizer
Fig. 1 -- Unit 48ES--A
A09034
A10077
A09033
48VL--A Without Economizer
A10078
48VL--A With Economizer
Fig. 2 -- Unit 48VL--A
1
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 of model #)
_____________________________________________
_____________________________________________
_____________________________________________
NOTE TO INSTALLER:
This manual must be left with the equipment owner.
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 ma y 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.
INSTALLATION INFORMATION
Date Installed________________________________
DEALERSHIP CONTACT INFORMATION
Company Name_______________________________
Address______________________________________
_____________________________________________
Phone Number _______________________________
Technician Name _____________________________
_____________________________________________
!
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 HAZARD
Failure to follow this warning could result in personal
injury, death, and/or property damage.
.
Do not store or use combustible materials, gasoline, or other
flammable vapors and liquids in the vicinity of this or any
other appliance.
!
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.
2
!
WARNING
FIRE AND EXPLOSION HAZARD
Failure to follow this warning could result in personal
injury, death and/or property damage.
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.
!
WARNING
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.
UNIT INTRODUCTION
These 48ES--A and 48VL--A units are 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 Puronr, the ozone friendly refrigerant for cooling.
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. 3 for location of unit front access panel. Refer to Fig.
4 for location of gas valve. Refer to Fig. 5 while proceeding with
the following steps.
1. Set the temperature selector on room thermostat to the lowest temperature setting and set system switch to HEA T.
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.)
!
WARNING
FIRE, EXPLOSION, ELECTRICAL SHOCK
HAZARD
Failure to follow this 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.
WARNING
!
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.
!
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.
CAUTION
Blower
Filter Access Panel
For Accessory Filter Rack
Fig. 3 -- Unit Access Panel
5. Move the selector switch on the internal gas valve to the
OFF position and wait 5 minutes.
6. Move the selector switch on the internal gas valve to 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 room thermostat slightly
above room temperature to start unit. The induced--draft
combustion air fan will start. Main gas valve will open and
main burners should ignite within 5 seconds. If the burner
does not light within 5 seconds, the ignition module will go
into a Retry Mode after 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 room thermostat to desired
setting.
Compressor
Access
Panel
Access
Panel
Control
Access
Panel
A09213
3
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