Contents

Owners Information Manual
- A09034
- Fig. 1 Unit PHD4 and WPH4
  - Safety Considerations
  - Operating Your Unit
    - 1. During heating, increasing the desired temperature setting more than 2F (1.1C) may cause the supplemental heaters to be turned on for a short period of time to satisfy the demand. Needless use of the supplementary heat reduces potential energy...
    - 2. Ice or frost tends to form on the coil during winter heating operation. Your unit is designed to automatically melt the ice. When in this defrost cycle, it is normal for steam or fog to rise from the outdoor unit, and for water to drain from the o...
    - To start the unit:
      - 1. Turn on the electrical power supply to unit.
      - 2. Set MODE control to desired mode and select temperature.
    - To shut off unit:
      - 1. Set system MODE control to OFF.
      - 2. Turn off the electrical power supply to unit.
    - Cooling Mode
    - Heating Mode
    - Supplemental Heat
    - Defrost Mode
    - Emergency Heating Mode
  - Maintenance and Service
    - Routine Maintenance
    - Maintenance and Care for the Equipment Owner
      - 1. TURN OFF ELECTRICAL POWER TO YOUR UNIT BEFORE SERVICING OR PERFORMING MAINTENANCE AND INSTALL A LOCK-OUT TAG. THERE MAY BE MORE THAN ONE DISCONNECT SWITCH.
      - 2. When removing access panels or performing maintenance functions inside your unit, be aware of sharp sheet metal parts and screws. Although special care is taken to reduce sharp edges to a minimum, be extremely careful when handling parts or reachi...
    - Air Filters
      - Table 1 Replacement Filter Sizes
        
        1. Remove the filter access panel (See Fig. 3) using a 5/16-in. nut driver.
        
        2. Remove the filter(s) by pulling it out of the unit. If the filter(s) is dirty, clean or replace with a new one.
      - Fig. 2 Accessory Filter Rack Access Panel
      - Fig. 3 Small Chassis Filter Access
    - Replacing or inspecting filters in units with economizers
      - 1. Remove return air duct cover at rear of unit using a 5/16-in. nut driver.
      - 2. Remove the filter(s) by pulling it out and through the unit duct opening. If filter is dirty, replace both filters with new ones.
      - Fig. 4 Large Chassis Filter Access
        
        3. Reinstall duct cover ensuring opening is air and water tight.
        
        1. Remove filter access door using a 5/16-in. nut driver.
        
        2. Remove the filter(s) by pulling it out and through the unit filter access door. If filter is dirty, replace both filters with new ones.
        
        3. Reinstall filter access door ensuring opening is air and watertight.
    - Fans and Fan Motor
    - Indoor and Outdoor Coils
    - Condensate Drain
    - Compressor
    - Condenser Fan
    - Electrical Controls and Wiring
    - Refrigerant Circuit
    - Unit Panels
    - Regular Dealer Maintenance (Also refer to Table 2)
      - 1. Inspection and, if required, cleaning of the outdoor and indoor coils.
      - 2. Inspection and, if required, cleaning of the indoor coil drain pan.
      - 3. Inspection and cleaning of blower wheel housing and motor.
      - 4. Inspection of all supply and return air ducts for leaks, obstructions, and insulation integrity. Any problems found should be resolved at this time.
      - 5. Inspection of the unit base to ensure that no cracks, gaps, etc., exist which may cause a hazardous condition.
      - 6. Inspection of the unit casing for signs of deterioration.
      - 7. Inspection of all electrical wiring and components to assure proper connection.
      - 8. Inspection for leaks in the refrigerant circuit. Pressure and temperature check to determine appropriate refrigerant charge.
      - 9. Operational check of the unit to determine working conditions. Repair or adjustment should be made at this time.
    - Warranty Certificate
    - Before you call for service...
    - In Case of Trouble
      - Table 2 Maintenance Checklist

Tempstar PHD4 V14 Owner's Manual

Tempstar PHD4 V14 Heat Pump manual cover

Pages 6

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Tempstar PHD4 V14 Heat Pump Specification

The Tempstar PHD4 V14 Heat Pump is an advanced HVAC solution designed to deliver efficient temperature regulation for residential and light commercial applications. This model incorporates a high-efficiency scroll compressor that optimizes energy consumption while ensuring reliable performance. The heat pump operates with an impressive SEER rating, which signifies its capability to provide substantial energy savings over traditional heating and cooling systems.

Engineered with a dual-speed fan motor, the PHD4 V14 ensures quiet operation and enhanced airflow control, adapting to varying temperature demands with precision. It is equipped with environmentally friendly R-410A refrigerant, which not only boosts cooling performance but also aligns with eco-friendly standards to reduce environmental impact.

The unit features a durable cabinet design, constructed with galvanized steel and coated with a weather-resistant finish, ensuring longevity and resilience against harsh weather conditions. It integrates advanced diagnostics with a user-friendly interface, facilitating easy maintenance and troubleshooting for technicians. The defrost control technology further enhances efficiency by minimizing frost buildup and reducing unnecessary defrost cycles.

Additionally, the Tempstar PHD4 V14 supports compatibility with a range of thermostats and smart home systems, allowing users to customize their climate control settings remotely. Its robust construction and intelligent features make it an ideal choice for consumers seeking a reliable, efficient, and environmentally-conscious heating and cooling solution. The heat pump meets or exceeds industry standards for performance and safety, providing users with peace of mind and consistent comfort throughout the year.

Tempstar PHD4 V14 Heat Pump F.A.Q.

How can I reset the Tempstar PHD4 V14 heat pump after a power outage?

To reset the Tempstar PHD4 V14 heat pump after a power outage, turn off the power to the unit at the circuit breaker, wait for about 5 minutes, and then turn the power back on. This allows the system to reset and start anew.

What maintenance steps should I perform regularly on my Tempstar PHD4 V14 heat pump?

Regular maintenance steps include checking and replacing air filters every 1-3 months, cleaning the outdoor unit to remove debris, ensuring that the thermostat is set correctly, and scheduling professional maintenance annually.

Why is my Tempstar PHD4 V14 heat pump not reaching the set temperature?

This issue could be due to a dirty air filter, incorrect thermostat settings, or a refrigerant leak. Check these components and consult a professional if the problem persists.

How do I troubleshoot a Tempstar PHD4 V14 heat pump that won't turn on?

Check the power supply to the unit, ensure the circuit breaker is not tripped, inspect the thermostat settings, and verify that the outdoor unit is free of debris. If the problem continues, contact a technician.

What does it mean if my Tempstar PHD4 V14 heat pump is making unusual noises?

Unusual noises could indicate loose parts, debris in the fan, or issues with the compressor. Inspect the unit for visible issues and tighten any loose components. If the noise persists, seek professional assistance.

How can I improve the efficiency of my Tempstar PHD4 V14 heat pump?

Improve efficiency by sealing ducts, ensuring proper insulation, maintaining clean filters, and ensuring the outdoor unit is free from obstructions. Regular professional maintenance will also help sustain efficiency.

What should I do if my Tempstar PHD4 V14 heat pump is leaking water?

Water leaks could be due to a clogged condensate drain or frozen coils. Check and clear the drain line if needed and ensure that the airflow is not obstructed. It may be necessary to call a technician for persistent issues.

Can I install a Tempstar PHD4 V14 heat pump myself?

It is recommended to have a licensed HVAC professional install the Tempstar PHD4 V14 heat pump to ensure it is correctly set up, which guarantees efficiency and compliance with local codes.

How do I switch my Tempstar PHD4 V14 heat pump from heating to cooling mode?

To switch modes, adjust the thermostat settings to the desired mode and set the target temperature. Ensure that the thermostat is compatible and functioning correctly for seamless operation.

What are the signs that my Tempstar PHD4 V14 heat pump needs servicing?

Signs that servicing is needed include unusual noises, reduced airflow, frequent cycling, and inability to reach the desired temperature. Annual professional checks can help prevent these issues.