Carrier 48GP060130300, 48GP060115300, 48GP060090310, 48GP060090300, 48GP048130300 Owner’s Manual

48GP

HEATING & COOUNG

Single-Package Gas Heating / Electric Cooling Units

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A Guide To Operating and Maintaining Your

Single-Package Gas Heating / Electric Cooling Units

NOTE TO INSTALLER

This manual should be left with the equipment owner.

If the information in this manual is not followed exactly, a fire
or explosion may result causing property damage, personal
i11iury or loss of life.

Do not store or use gasoline or other flammable
vapors and liquids in the vicinity of this or any
other appliances.

WHAT TO DO IF YOU SMELL GAS:

• Do not try to light any appliance.

• Do not touch any electrical switch; do not use
any phone in your building.

• hmnediately call your gas supplier from a
neighbor's phone. Follow the gas supplier's
instructions.

• If you cannot reach your gas supplier, call the

tire department.

Installation and selMce must be pert\_rmed by a
qualified installer, selaTiceagency or the as sup-

plier.

with Puron® (R-410A) Refrigerant

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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. Failure to follow this warning could result
in electrical shock, fire, serious injury, or death.

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Before performing recommended maintenance, be sure the
main power switch to unit is mined off. Electric shock could
cause serious injury or death.

Your combination heating.cooling unit is equipped with an auto-
matic direct spark ignition and power combustion blower.

Fig. 1 -- Unit 48GP with ard Louvered Grille

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

PC 101 Catalog No 534-80141 Printed in U.S.A Form OM48-19 Pg 1 1-03 Replaces: OM48-14

TO LIGHT UNIT

l. Do not mm off the electrical power to unit without first

turning off the gas supply.

2. Before attempting to start the gas heating section, famil-
iarize yourself with all the procedures that must be

followed.

If you do not l'ollow these instructions exactly, a fire or
explosion may result, causing property damage, serious
injury, or death.

Step 1--Set the temperature selector on room thermostat to

the lowest temperature setting and set system switch to

HEAT.
Step 2--Close the external manual shutoff valve.

Step 3--Turn off the electrical supply to the unit.
Step 4--Remove the front access panel with a 5/16 in. nut

driver.
Step 5--Move the selector switch on the internal gas valve to

the OFF position and wait 5 minutes.

Step 6--Move the selector switch on the internal gas valve to

the ON position.

Step 7--Replace the front access panel.
Step 8--Turn on the electrical supply to unit.

Step 9--Open the external manual shutoff valve.
Step 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 l'or

heat, there is a lockout.

Step 11--Set the temperature selector on room thermostat

to desired setting.

NOTE: If unit is being shut down because the heating season has

ended, make sure to tuna on power to cooling system.
If 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 manual gas valve to the unit before shutting off the electrical

supply.

Step 1--Set the temperature selector on room thermostat to

lowest temperature setting and set system switch to OFF.
Step 2--Close the external manual shutoff valve.
Step 3--Turn off the electrical power supply to the unit.
Step 4--Remove the front access panel.
Step 5--Move the selector switch on the internal gas valve to

the OFF position.
Step 6--Replace the burner access panel.
Step 7--Restore electrical power to the unit and set system

switch to COOL to ensure operation of the cooling system
during the cooling season.

Fig. 2--Gas Heating/Electric Cooling Unit

Front Access Panel

l. If the main burners _ail 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.

Failure to follow these reqnirements could result in serious
injury or death.

TO SHUT UNIT OFF

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Do not tuna off the electrical power to unit without first
turning off the gas supply.

Failure to follow these procedures can result in fire, serious
il_iury, or death.

FRONT
ACCESS PANEL

ROUTINE MAINTENANCE

All routine maintenance should be handled by skilled, experienced
personneh Your dealer can help you establish a standard proce-
dnre.

For your safety, keep the unit area clear and free of combustible
materials, gasoline, and other flammable liquids and vapors.

To assure proper functioning of the unit, flow of combustion and
ventilating air must not be obstructed fi'om reaching the unit.
Clearance of at least 48 in. is required fi'om top of unit and on sides
except the power entry side (42 in. clearance) and the duct side (12
in. nlininmm clearance).

MAINTENANCE AND CARE FOR THE EQUIPMENT

OWNER

Before proceeding with those things you might want to maintain
yourself, please carefully consider the following: