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A Guide To Operating and Maintaining Your
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.
48HX Unit Without Base Rail
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 4
PC 111
Tab
5a 5a
Dual Fuel Heat Pump Units
Dual Fuel Heat Pump Unit
Catalog No. 564-908
Printed in U.S.A.
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.
Before performing recommended maintenance,
be sure gas supply and main power switch to
unit are turned off. Electrical shock could cause
personal injury.
48HX Unit With Optional Base Rail
Form 48HX-1SO
Pg 1
48HX
12-94
Replaces: New
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Table of Contents
Related Manuals for Carrier 48HX
Summary of Contents for Carrier 48HX
- Page 1 Electrical shock could cause personal injury. 48HX Unit Without Base Rail 48HX Unit With Optional Base Rail Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 PC 111 Catalog No.
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Page 2: Important Facts
for your liking. Continuous fan operation minimizes any tem- WELCOME TO EFFICIENT perature differences. Also, systems equipped with electronic YEAR-ROUND COMFORT air cleaners and/or humidifiers offer the added benefits of Congratulations on your excellent choice and sound invest- having the air continuously cleaned year-round, and humidi- ment in home comfort! fied during the winter season. -
Page 3: To Light Unit
Cooling Cycle — When operating in the cooling cycle, your dual fuel heat pump will run until the indoor tempera- ture is lowered to the level you have selected. On extremely hot days, your dual fuel heat pump will run for longer pe- riods at a time and have shorter ‘‘off’’... -
Page 4: Routine Maintenance
Step 10 — Step 2 — Set the temperature selector on room thermo- Close the external manual shutoff valve. stat slightly above room temperature to start unit. The induced- Step 3 — Turn off the electrical power supply to the unit. draft combustion-air fan will start. - Page 5 UNIT SIZE and should rarely require additional oil. The service person 030,036 048,060 48HX must be certain the proper oil level is maintained in the com- Filter Size 24 x 24 24 x 30 pressor when it is installed and running.
- Page 6 STEP 1 STEP 3 STEP 2 STEP 5 STEP 4 STEP 6 STEP 7 STEP 10 STEP 9 STEP 8 Fig. 4 — To Light Unit...
- Page 7 STEP 1 STEP 3 STEP 2 STEP 5 STEP 4 STEP 6 STEP 7 Fig. 5 — To Shut Unit Off...
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Page 8: Warranty
WARRANTY The 48HX warranty is located at the back of this book. Be sure to read the warranty carefully to determine the cover- age for your unit. BEFORE YOU CALL FOR SERVICE, CHECK FOR SEVERAL EASILY-SOLVED PROBLEMS If insufficient heating or cooling is suspected: ( ) Check for sufficient airflow. - Page 12 Copyright 1994 Carrier Corporation Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 PC 111 Catalog No. 564-908 Printed in U.S.A. Form 48HX-1SO Pg 12 12-94...
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