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Rheem RP1424AJ1NA User Manual

Rheem RP1424AJ1NA
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R-410A HEAT PUMP
OUTDOOR UNITS
92-105074-04-00 (1/15)
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
RP13 (13 SEER)
RP14 (14 SEER) AND RP15 (15 SEER)
WARNING:
RECOGNIZE THIS SYMBOL
AS AN INDICATION OF
IMPORTANT SAFETY
INFORMATION
ST-A1226-01-00

Table of Contents

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Rheem RP1424AJ1NA Specifications

General IconGeneral
BrandRheem
ModelRP1424AJ1NA
TypeHeat Pump
Cooling Capacity (BTU/h)24000
Heating Capacity (BTU/h)24000
SEER Rating14
Refrigerant TypeR-410A
Voltage (V)208/230
Phase1
Compressor TypeScroll
Energy Efficiency Ratio (EER)11.5

Summary

Important Safety Information

General Information

Proper Installation

Emphasizes proper sizing and installation for optimal performance and efficiency, matching all components.

Installation

Interconnecting Tubing

Best practices for installing tubing between indoor and outdoor units, including sizing and line set applications.

Refrigerant Level Adjustment

Procedure for adjusting refrigerant charge based on line set length and application for optimal system performance.

Wiring

Grounding

Emphasizes the necessity of proper grounding for electrical safety and preventing shock hazards.

Start-Up

Evacuation and Leak Testing

Critical steps for evacuating air and moisture from the system and performing leak detection.

Checking Refrigerant Charge

Procedures for verifying and adjusting system refrigerant charge using weight, pressure, and subcooling methods.

Charging by Weight

Method for calculating and adjusting refrigerant charge based on line set length, weight, and factory data.

Gross Charging by Pressures

Procedure for gross charging using system pressures and temperature readings, referencing the charging chart.

Final Charge by Subcooling

Method for fine-tuning system charge using subcooling measurements for optimal performance.

Components and Controls

Demand Defrost Control

Monitors ambient and coil temperatures, and compressor runtime to determine defrost cycles.

Diagnostics

Cooling Mechanical Checks Flowchart

Visual guide to diagnose cooling system mechanical problems based on pressure and airflow indicators.

Heating Mechanical Checks Flowchart

Visual guide to diagnose heating system mechanical problems based on pressure and airflow indicators.

General Troubleshooting Chart

A comprehensive chart listing symptoms, possible causes, and remedies for common system operational issues.

Service Analyzer Charts

Detailed charts for diagnosing specific issues like compressor overheating, electrical problems, and flooded starts.

THERMOSTATIC EXPANSION VALVES

Detailed guide for diagnosing and rectifying problems with thermostatic expansion valves (TEVs).

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