Carrier PHB4 Owner's Information Manual
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Carrier PHB4 Owner's Information Manual

13.4 seer2 single and three phase 2-5 nominal tons (sizes 24-60) single packaged heat pump system with r 454b refrigerant
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PHB4, WPH5
13.4 SEER2 Single and Three Phase
2-5 Nominal Tons (Sizes 24-60)
Single Packaged Heat Pump System with R-454B Refrigerant
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.
Owner's Information Manual
Fig. 1 – Unit PHB4 and WPH5
A170030

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Summary of Contents for Carrier PHB4

  • Page 1 Owner’s Information Manual A170030 Fig. 1 – Unit PHB4 and WPH5 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.

  • Page 2: Safety Considerations

    PHB4, WPH5: 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.

  • Page 3: Maintenance And Service

    PHB4, WPH5: 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.

  • Page 4: Refrigerant Circuit

    PHB4, WPH5: 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.

  • Page 5: Warranty Certificate

    PHB4, WPH5: 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.
  • Page 6 PHB4, WPH5: Owner’s Information Manual © 2024 Carrier. All rights reserved. Edition Date: 03/24 Catalog No: OMPHB4-WPH5-01 A Proud Member of the Carrier Family Replaces: Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.

This manual is also suitable for:

Wph5

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