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Rheem RP14 14 SEER - User Manual

Rheem RP14 14 SEER
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R-410A HEAT PUMP
OUTDOOR UNITS
92-105074-01-00 (6/14)
Printed in USA
[ ] indicates metric conversions.
Do not destroy this manual.
Please read carefully and
keep in a safe place for future
reference by a serviceman.
WARNING
THESE INSTRUCTIONS
ARE INTENDED AS AN AID
TO QUALIFIED, LICENSED
SERVICE PERSONNEL FOR
PROPER INSTALLATION,
ADJUSTMENT, AND
OPERATION OF THIS UNIT.
READ THESE INSTRUCTIONS
THOROUGHLY BEFORE
ATTEMPTING INSTALLATION
OR OPERATION. FAILURE
TO FOLLOW THESE
INSTRUCTIONS MAY RESULT
IN IMPROPER INSTALLATION,
ADJUSTMENT, SERVICE,
OR MAINTENANCE
POSSIBLY RESULTING IN
FIRE, ELECTRICAL SHOCK,
PROPERTY DAMAGE,
PERSONAL INJURY, OR
DEATH.
INSTALLATION INSTRUCTIONS
RP14 14 SEER
WARNING:
RECOGNIZE THIS SYMBOL
AS AN INDICATION OF
IMPORTANT SAFETY
INFORMATION
ST-A1226-01-00

Table of Contents

Questions and Answers

  • J
    Jose PierceAug 18, 2025
    What to do if my Rheem RP14 14 SEER unit will not run?
    • J
      julie73Aug 18, 2025
      If your Rheem Heat Pump unit isn't running, there could be several reasons. First, check for correct voltage at the line voltage connections in the condensing unit, as there might be a power issue or loose electrical connection. Also, check if fuses are blown or the breaker is tripped, and replace/reset them if necessary. The thermostat might be out of calibration, so try resetting it. A defective transformer or control board could also be the cause, so check the wiring and diagnostic codes, and replace the transformer if needed. Finally, the high-pressure control might be open, in which case you should reset it and address any high head pressure issues. Miswiring of communications can also cause this issue, so check the communication wiring.
  • R
    Robert JacobsAug 20, 2025
    Why is my Rheem Heat Pump not cooling enough?
    • R
      randy21Aug 20, 2025
      If your Rheem Heat Pump isn't cooling sufficiently, several factors could be the cause. The unit may be improperly sized, requiring a recalculation of the load. Also, check the indoor airflow; it should be approximately 400 CFM per ton. An incorrect refrigerant charge could also be the problem; charge the system per the procedure attached to the unit service panel. Finally, air, noncondensibles, or moisture in the system can cause this issue, so recover the refrigerant, evacuate, recharge, and add a filter drier.
  • M
    Matthew AllenAug 23, 2025
    What to do if the outdoor fan runs but the compressor doesn't on my Rheem RP14 14 SEER Heat Pump?
    • S
      Steven GonzalezAug 23, 2025
      If the outdoor fan runs but the compressor doesn't on your Rheem Heat Pump, the issue might be with the run or start capacitor, so replace it. A defective start relay could also be the cause, so replace that as well. Check for correct voltage at the compressor and tighten all connections, as a loose connection could be the problem. The compressor might be stuck, grounded, or have an open motor winding or internal overload; wait at least 3 hours for the overload to reset, and if it's still open, replace the compressor. A low-voltage condition could also be the cause, so add start kit components.
  • J
    Jordan GriffinAug 26, 2025
    Why does my Rheem RP14 14 SEER compressor keep short cycling?
    • W
      wandersonAug 26, 2025
      If your Rheem Heat Pump compressor is short cycling, it could be due to incorrect voltage. Ensure the voltage at the compressor terminals is within ± 10% of the nameplate marking when the unit is operating. Alternatively, a defective overload protector might be the cause, so replace it. Also, check for refrigerant undercharge and add refrigerant if necessary.
  • R
    Robert EatonAug 28, 2025
    What causes registers to sweat on a Rheem RP14 14 SEER?
    • B
      brittany43Aug 28, 2025
      Registers sweat on Rheem Heat Pump due to low indoor airflow. To resolve this, increase the blower speed or reduce any restrictions in the airflow. Also, replace the air filter.
  • K
    Kimberly JohnsonAug 30, 2025
    What causes high head pressure and low vapor pressures in my Rheem RP14 14 SEER Heat Pump?
    • E
      Emily OlsenAug 31, 2025
      High head and low vapor pressures in your Rheem Heat Pump can be caused by a restriction in the liquid line, expansion device, or filter drier. Remove or replace the defective component. Another cause may be a bad TXV; in this case, replace the TXV.
  • N
    Nathan GreenSep 2, 2025
    What causes high head and normal vapor pressure in cooling mode for Rheem Heat Pump?
    • H
      Heather ClarkSep 2, 2025
      High head pressure with high or normal vapor pressure in cooling mode for your Rheem Heat Pump can be attributed to several factors: a dirty outdoor coil, which requires cleaning; refrigerant overcharge, necessitating a correction of the system charge; a non-running outdoor fan, which should be repaired or replaced; or air/noncondensibles in the system, requiring refrigerant recovery, evacuation, and recharge.
  • T
    Tammy MoraSep 4, 2025
    What causes low head and high vapor pressures in Rheem Heat Pump?
    • J
      Jessica FarrellSep 4, 2025
      Low head and high vapor pressures in your Rheem Heat Pump can be caused by a bad TXV, in which case you should replace the TXV. It could also be due to a bad compressor, requiring compressor replacement.
  • S
    Stephen YatesSep 7, 2025
    Why is there low vapor, a cool compressor, and an iced indoor coil on my Rheem RP14 14 SEER Heat Pump?
    • D
      David WileySep 7, 2025
      Low vapor pressure, a cool compressor, and an iced indoor coil on your Rheem Heat Pump can occur due to low indoor airflow. Increase the blower speed or reduce any restrictions, and replace the air filter. Operating below 65°F outdoors can also cause this; add a Low Ambient Kit to resolve. Another cause can be moisture in the system, so recover the refrigerant, evacuate and recharge the system, and add a filter drier.
  • Z
    Zachary MorrisonSep 9, 2025
    What causes high vapor pressure in my Rheem RP14 14 SEER Heat Pump?
    • S
      Steven DelgadoSep 9, 2025
      High vapor pressure in your Rheem Heat Pump can be caused by an excessive load, so recheck the load calculation. It may also be due to a defective compressor, which would need to be replaced.

Summary

IMPORTANT SAFETY INFORMATION

Safety Warnings and Precautions

Safety warnings about installation, grounding, power, and R-410A system precautions.

INSTALLATION

Location Selection and Environmental Factors

Tools, Refrigerant, and R-410 A Guide

Tubing Installation and Line Set Management

Guidance on tubing installation, line sizing, and oil adjustments for long line sets.

Tubing Connections and Leak Testing

Proper methods for tubing connections, leak testing, and insulation of refrigerant lines.

WIRING

Control and Thermostat Wiring

Power Wiring and Grounding

START-UP PROCEDURES

Initial Checks and Airflow

Procedures for initial start-up, including crankcase heater and airflow verification.

Evacuation and Leak Testing

Detailed steps for system evacuation and leak testing to ensure system integrity.

Refrigerant Charge Adjustment

Procedures for checking, weighing, and adjusting refrigerant charge using subcooling.

DIAGNOSTICS AND TROUBLESHOOTING

Mechanical Troubleshooting Flowcharts

General Troubleshooting Chart

Service Analyzer Charts

Rheem RP14 14 SEER Specifications

General IconGeneral
TypeHeat Pump
RefrigerantR-410A
Compressor TypeSingle-Stage
Warranty10-year limited warranty
StagesSingle-Stage

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