Carrier SEER 48ES User Manual

Owner's Information Manual

®

Turn to the Expertg

A08438

Fig. 1 - Unit 48ES

NOTE TO EQUIPMENT OWNER:

For your convenience, please record the model and serial numbers of your new equipment in the spaces

)rovided. 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

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.
Note: Installer: This manual should be left with the equipment user.

FIRE, EXPLOSION, ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal iniury,

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.

ELECTRICALSHOCK HAZARD
Failure to follow this warning could result in personal iniury

and/or death.

Before perfornfing 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 warning could result in personal iniury,

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 iniury,

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.

FIRE, EXPLOSION, ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal iniury,

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.

FIRE, EXPLOSION HAZARD
Failure to follow this warning could result in personal iniury,

death, and/or property damage.
Do not attempt to light by hand.

CUT HAZARD

Failure to follow this caution may result in personal iniury.
When removing access panels or perfornfing 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 nfinimum, be extremely careful when handling
parts or reaching into the unit.

()NITINTRODUCTION

This48ESunitisasmallpackagedgasheat/electriccoolingsystem
thatcanutilizethecomfortofgasheatingpackagedalongwitheffi-

cientelectricairconditioning.ThisunitusesPuron®,theozone
friendlyrefrigerantforcooling.

StartingorShuttingOffUnit
Note:Yourcombinationheating/coolingunitisequippedwithan

automaticdirectsparkignitionandpowercombustionblower.
Tostartunit 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 room thermostat 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 front access panel with a 5/16-in. nut driver.

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 front 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.

ACCESS PANEL

FILTER ACCESS
PANE L*

*For accessory filter rack.

A08439

Fig. 2 - Accessory Filter Rack Access Panel

(Optional Louvered Panels Shown)

FIRE AND EXPLOSION HAZARD

Failure to follow this warning could result in personal iniury,
death, and/or property damage.

1. If the main burners fail to light, or the blower fails to start,

shut down gas heating section and call your dealer for 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 call your dealer as soon
as possible.

To shut offunit gas heat:

FIRE, EXPLOSION, ELECTRICAL SHOCK
HAZARD

Failure to follow this warning could result in personal iniury,
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 fail to shut off, shut off

the external manual gas valve to the unit before shutting off the elec-
trical 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. 5 while proceeding with the following steps.

1.

Set the temperature selector on room thermostat 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 front access panel.

5. Move the selector switch on the internal gas valve to the OFF
position.

6. Replace the front access panel.

To start unit electric cooling:
Refer to Fig. 6 while proceeding with the following steps.

1. Set the temperature selector on room thermostat to highest
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 front access panel.

5. Move the selector switch on the internal gas valve to the OFF
position.

6. Replace the front access panel

7. Restore electrical power to the unit and set system switch to
COOL.

8. Set the temperature selector on room thermostat slightly be-
low the room temperature to start unit.

To shut off unit electric cooling:
Refer to Fig. 7 while proceeding with the following steps.

1. Set the temperature selector on room thermostat to highest
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.