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48GS,GX
Packaged Gas Heating/
Electric Cooling Units
A Guide To Operating and Maintaining Your
Gas Heating/Electric
Cooling Unit
NOTE TO INSTALLER
This manual should be left with the equipment owner.
FOR YOUR
SAFETY
Do not store
or use
gasoline
or other
flammable
vapors
and liquids in the vicin-
ity of this or any other appliance.
Improper installation, adjustment, alteration, serv-
ice or maintenance
can cause injury or prop-
erty damage. Refer to this manual. For assistance
or additional information, consult a qualified in-
staller, service agency, or the gas supplier.
FOR YOUR SAFETY
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.
• Immediately
call your gas supplier
from
a neighbor's
phone.
Follow the gas sup-
plier's
instructions.
• If you cannot
reach your
gas supplier,
call the fire department.
?'v'l _;],lff[_
Before performing recommended maintenance,
be sure gas supply and main power switch to
unit are turned off. Electrical shock could cause
personal injury.
Model 48GS with Standard Wire Grille
Model 48GX with Optional 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. 534-80132
Printed in USA
Form OM48-18
Pg 1
1-03
Replaces: 48GS,GX-1SO
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Summary of Contents for Carrier 48GS Guide
- Page 1 48GS,GX Packaged Gas Heating/ Electric Cooling Units A Guide To Operating and Maintaining Your Gas Heating/Electric Cooling Unit NOTE TO INSTALLER FOR YOUR SAFETY WHAT TO DO IF YOU SMELL This manual should be left with the equipment owner. • Do not try to light any appliance. FOR YOUR SAFETY •...
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Page 2: To Shut Unit Off
Your combination heating/cooling unit is equipped with mlautomatic direct spark ignition and power combustion blower. TO LIGHT UNIT 1. Do not mm off the electrical power to unit without first mining off the gas supply. 2. Before attempting to start the gas heating section, fa- miliarize yourself with all the procedures that must be followed. -
Page 3: Maintenance
ROUTINE MAINTENANCE All routine maintenance should be handled by skilled, ex- Never operate your unit without filters in place. Failure perienced personnel. Your dealer can help you establish a to heed this warning may result in damage to the blower standard procedme. - Page 4 MAIN STEP1 STEP ®j "--.-f_ STEP STEP STEP STEP MAINo N_ STEP STEP 9 STEP8 Fig. 3--To Light Unit...
- Page 5 MAIN STEP 1 STEP2 STEP STEP STEP STEP STEP Fig. 4 -- To Shut Unit Off...
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Page 6: Regular Dealer Maintenance
Components in heat section may be hot after unit has been started up. When observing flame, be care- ful not to get close to or touch heating components or serious personal injury may result. Watch the burner flame to see if it is bright blue. If you observe a suspected malfunction or if the burner flames are not bright blue, call your dealer. -
Page 7: In Case Of Trouble
BEFORE YOU CALL FOR SERVICE, NOTE: Before proceeding with the next check, turn OFF CHECK FOR SEVERAL EASILY-SOLVED the gas supply, then the electrical power supply to the unit. PROBLEMS Remove the control access door. If insuilicient heating or cooling is suspected: ) During the heating season, check the control dial on the internal gas valve. - Page 8 Copyright 2003 Carrier Corporation Manufacturer reserves right to discontinue, or change at any time, specifications or designs without notice without incurring obligations. Book lJ_J__ PC 101 catalog No. 534-80132 Printed in USA Form OM48-18 Pg 8 1-03 Replaces: 48GS,GX-1SO TabIlal8a...