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®
Turn to the Expertg
Owner's Information Manual
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 INSTALLATION INFORMATION
Model # Date Installed
Serial # DEALERSHIP CONTACT INFORMATION
Company Name
Address
ACCESSORIES (
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SAFETY CONSIDERATIONS Improper installation, adjustment, alteration, service maintenance, or use can cause explosion, fire, electrical shock, or other FIRE AND EXPLOSION HAZARD conditions which may cause death, personal injury, or property damage. Consult a qualified installer, service agency, or your What to do if you smell gas: distributor or branch for information or assistance. The qualified 1. Do not try to light any appliance. installer or agency must use factory-authorized kits or accesso
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()NITINTRODUCTION This 48ES unit isasmall packaged gas heat/electric cooling system that can utilize the comfort ofgas heating packaged along with effi- cient electric airconditioning. This unituses Puron ®,the ozone FIRE AND EXPLOSION HAZARD friendly refrigerant forcooling. Failure to follow this warning could result in personal iniury, Starting orShutting OffUnit death, and/or property damage. Note:Your combination heating/cooling unitisequipped withan 1. If the main burners fail to light, or
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OPERATING YOUR UNIT sive stress on the blower motor and can cause the motor to overheat and shut down. The operation ofyour unit iscontrolled bythe indoor temperature control (thermostat). You simply adjust the thermostat and it main- This unit nmst have air filters in place before it can be operated. tains the indoor temperature at the level you select. Most thermostats These filters can be located in one of at least two places. In many ap- of heating and cooling systems have 3 controls: a temp
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Fans and Fan Motors Unit Panels Periodically check the condition of fan wheels and housings and fan After performing any maintenance or service on the unit, be sure all motor shaft bearings. Contact your dealer for the required annual panels are fastened securely in place to prevent rain from entering maintenance. unit cabinet and to prevent disruption of the correct unit airflow pat- tern. Heat ExchanRer To ensure dependable and efficient heating operation, the heat ex- Combustion Area and Vent
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MAIN @ OF_ STEP1 STEP2 STEP3 STEP 5 STEP 4 m STEP 6 STEP 7 MAIN ON_ OFF STEP8 STEP 9 STEP10 A07662 Fig. 4 - To Start Unit Gas Heat
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MAIN ON @ I OFF L_ STEP1 STEP2 STEP3 E J STEP 4 STEP 5 STEP 6 A07663 Fig. 5 - To Shut-off Unit Gas Heat
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MAIN ON I OFF STEP1 STEP2 STEP3 [ f STEP 4 STEP 5 MAIN °il OFF STEP 6 STEP 7 STEP8 A07796 Fig. 6 - To Start Unit Electric Cooling
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MAINoN -[_ I STEP1 STEP2 STEP3 A07797 Fig. 7 - To Shut-off Unit Electric Cooling BURNER FLAME Warranty Certificate Your unit has a limited warranty. Be sure to read the warranty care- fully to determine the coverage for your unit. BURNER Before you call for service... ...check for several easily-solved problems. If insufficient heating or cooling is suspected: MANIFOLD ( ) Check for sufficient airflow. Check the air filter for dirt. Check for blocked return-air or supply-air grilles. Be sure the
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® Turn to the Expertg: TO OBTAIN INFORMATION ON PARTS: Consult your installing dealer or classified section of your local telephone directory under the "Heating Equipment" or "Air Conditioning Contractors & Systems" heading for dealer listing by brand name. Have available the Model No., Series Letter, & Serial No. of your equipment to ensure correct replacement part. Copyright 2008 Carrier Corporation Printed in the U.S.A. Edition Date: 11/08 Catalo_ No: OM48ES-01 Manufacturer reserves the right
