Legacy single-packaged heat pump system with r-22 refrigerant single-and three-phase units sizes 024-060 (24 pages)
Summary of Contents for Carrier Comfort 50NT
Page 1
50NT Comfort™ 13.4 SEER2 Single and Three Phase 2-5 Nominal Tons (Sizes 24-60) Single Packaged Heat Pump System with Puron Advance™ (R-454B) Refrigerant Owner’s Information Manual A09033 Fig. 1 – Unit 50NT Our products are designed, tested and built in accordance with DOE standardized procedures; however, actual operating results and efficiencies may vary based on manufacturing and supplier tolerances, equipment configuration, operating conditions and installation practices.
50NT: Owner’s Information Manual Safety Considerations WARNING This unit is equipped with electrically powered safety measures. For the safety measures to be effective, the unit must be electrically powered at ELECTRICAL SHOCK HAZARD all times after installation, other than when servicing. Failure to follow this warning could result in personal injury or death.
50NT: Owner’s Information Manual Air Filters When your heat pump needs additional heat to keep you comfortable your thermostat will turn on the supplemental heat (if equipped). The air filter(s) should be checked every 3 or 4 weeks and changed or Defrost Mode cleaned whenever it becomes dirty.
50NT: Owner’s Information Manual 3. Reinstall filter access door ensuring opening is air and watertight. WARNING Fans and Fan Motor Periodically check the condition of fan wheels and housings and FIRE AND UNIT OPERATION HAZARD fan-motor shaft bearings. Contact your dealer for the required annual Failure to follow this warning could result in personal injury, death or maintenance.
50NT: Owner’s Information Manual 5. Inspection of the unit base to ensure that no cracks, gaps, etc., exist If insufficient heating or cooling is suspected: which may cause a hazardous condition. ( ) Check for sufficient airflow. Check the air filter for dirt. Check for 6.
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