Carrier COMFORT 48EZ-A Owner's Information Manual
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Carrier COMFORT 48EZ-A Owner's Information Manual

Carrier COMFORT 48EZ-A Owner's Information Manual

Single packaged hybrid heat dual fuel system with puron (r-410a) refrigerant
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See also: Instruction and Installation Manual
48EZ---A and 48VT---A
Comfort™ and Performance™ 13 and 14 SEER
Single Packaged Hybridr Heat Dual Fuel System
With Puron (R---410A) Refrigerant
Single and Three Phase
2---5 Nominal Tons (Sizes 24---60)
Owner's Information Manual
48EZ- -A Without Economizer
48EZ- -A With Economizer
Fig. 1 - - Unit 48EZ- -A
A09034
A10077
1
48VT- -A Without Economizer
48VT- -A
48VT- -A with Economizer
Fig. 2 - - Unit 48VT- -A
A09033
A10078

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Summary of Contents for Carrier COMFORT 48EZ-A

  • Page 1 48EZ---A and 48VT---A Comfort™ and Performance™ 13 and 14 SEER Single Packaged Hybridr Heat Dual Fuel System With Puron (R---410A) Refrigerant Single and Three Phase 2---5 Nominal Tons (Sizes 24---60) Owner’s Information Manual 48EZ- -A Without Economizer 48EZ- -A With Economizer Fig.

  • Page 2: Safety Considerations

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

  • Page 3: Electrical Shock Hazard

    WARNING FIRE AND EXPLOSION HAZARD Failure to follow this hazard warning could result in personal injury, death and/or property damage. 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.

  • Page 4: Operating Your Unit

    setting. WARNING FIRE AND EXPLOSION HAZARD Failure to follow this warning could result in personal injury, 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.
  • Page 5 MAIN STEP 1 STEP 2 STEP 3 STEP 5 STEP 4 STEP 6 STEP 7 MAIN STEP 8 STEP 9 STEP 10 A07662 Fig. 5 - - To Start Unit Gas Heat...
  • Page 6 STEP 1 STEP 4 STEP 6 Fig. 6 - - To Shut Off Unit Gas Heat STEP 2 STEP 1 Fig. 7 - - To Start Unit Electric Cooling STEP 2 MAIN STEP 3 MAIN STEP 3 STEP 5 A07663 STEP 4 &...

  • Page 7: Maintenance And Service

    STEP 1 Defrost Mode When your heat pump is providing heat to your home or office and the outdoor temperature drops below 45°F (7.2°C), moisture may begin to freeze on the surface of the coil. If allowed to build up, this ice would impede airflow across the coil and reduce the amount of heat absorbed from the outside air.

  • Page 8: Small Chassis

    arrows on the filter frame, which should be pointing at the indoor coil. 3. Reinstall filter access panel ensuring opening is air and watertight. If you have difficulty locating your air filter(s) or have questions concerning proper filter maintenance, contact your dealer for instructions.
  • Page 9 The drain pan and condensate drain line should be checked and cleaned at the same time the cooling coils are checked by your dealer. Compressor All compressors are factory shipped with a normal charge of the correct type and quantity of refrigeration grade oil. A compressor should rarely require additional oil.
  • Page 10 Be sure the Copyright 2010 Carrier Corp. S 7310 W. Morris St. S Indianapolis, IN 46231 Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

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Comfort 48vt-a

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