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Rheem RA16 Series - User Manual

Rheem RA16 Series
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AIR COOLED
CONDENSING UNITS
92-104921-09-01 (2/15)
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
RA13, RA14 & RA16 MODEL SERIES –
13, 14 & 16 SEER
WARNING:
RECOGNIZE THIS SYMBOL
AS AN INDICATION OF
IMPORTANT SAFETY
INFORMATION
ST-A1226-01-00
FEATURING INDUSTRY STANDARD
R-410A REFRIGERANT
earth friendly refrigerant
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ar
t
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y r
dly
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Table of Contents

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Rheem RA16 Series Specifications

General IconGeneral
BrandRheem
ModelRA16 Series
CategoryHeat Pump
LanguageEnglish

Summary

Important Safety Information

Safety Warnings

Key safety warnings for installation and operation, emphasizing potential hazards.

Safety Cautions

Specific cautions regarding refrigerant handling and component compatibility.

General Information: Product and Application

Specifications and Installation Basics

Proper Installation Guidelines

Guidance on correct sizing and installation for optimal performance and efficiency.

Installation: Location, Environment, and Operation

Installation Location Details

Unit Mounting Safety

Safety warning and procedures for securing elevated units to prevent tipping.

Tools, Refrigerant, and R-410 A Information

Interconnecting Tubing and Coil Installation

Tubing Leak Testing and Insulation

Leak Testing Procedures

Steps for leak testing the system with nitrogen and verifying pressure integrity.

Power Wiring and Grounding

Grounding Procedures

Emphasis on permanent grounding for safety and preventing electrical shock.

Start-Up Procedures

Initial Unit Start-Up

Ensuring crankcase heater energization for at least 12 hours before compressor start-up.

Evacuation and Leak Testing

Evacuation Procedure

Steps for evacuating air and moisture from the system to prevent corrosion and performance issues.

Refrigerant Charge Checks

System Charge Verification

Checking system charge against the chart inside the access panel for optimal performance.

Refrigerant Charge Adjustment

Final Charge via Subcooling

Adjusting charge to achieve specified subcooling for precise system tuning.

Installation Completion

Final Charge Calculation

Subtracting liquid line temperature from saturation temperature to calculate subcooling.

Compressor Controls and Features

Electrical Diagnostics

Electrical Checks Flowchart

Step-by-step guide to troubleshoot electrical issues preventing unit operation.

Cooling Mechanical Diagnostics

Cooling Mechanical Checks Flowchart

Flowchart for diagnosing mechanical problems affecting cooling performance.

General Troubleshooting

Troubleshooting Chart by Symptom

Lists common symptoms, their possible causes, and recommended remedies for system issues.

Service Analyzer Charts: Compressor

Compressor Overheating Symptoms

Diagnosing causes of compressor overheating and corresponding remedies.

Service Analyzer Charts: Electrical and Flooded Starts

Electrical Troubleshooting

Diagnosing electrical issues related to compressor contactor, voltage, and wiring.

Service Analyzer Charts: Contamination and Lubrication

Service Analyzer Charts: Thermostatic Expansion Valves

Flooding and System Control Issues

Diagnosing flooding symptoms and poor system control related to TEV operation.

High Superheat, Low Suction Pressure

Troubleshooting TEV issues causing high superheat and low suction pressure.

Service Analyzer Charts: TEV Issues

Compressor Flood Back and TEV Hunting

Addressing compressor flood back and fluctuating TEV operation.

Cooling Mode Troubleshooting

Troubleshooting Tips by System Problem

Quick reference for common cooling problems and their corresponding pressure, superheat, and subcooling indicators.

Wiring Diagrams

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