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Rheem RA1448AJ1NA - User Manual

Rheem RA1448AJ1NA
48 pages
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AIR COOLED
CONDENSING UNITS
92-104921-09-07 (5/16)
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
(-)A13, (-)A14 & (-)A16 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
e
ar
t
h
r
y r
dly
dl
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h
NOTE: Actual unit appearance
may vary.

Table of Contents

Questions and Answers:

Rheem RA1448AJ1NA Specifications

General IconGeneral
TypeSplit System Air Conditioner
RefrigerantR-410A
Voltage208/230V
Phase1
Compressor TypeScroll
Cooling Capacity4 Ton
SEER Rating14
StagesSingle Stage
Cooling Capacity (BTU)48000 BTU

Summary

IMPORTANT SAFETY INFORMATION

Safety Warnings and Cautions

Key safety directives and precautions for installation and operation.

INSTALLATION

Site Selection and Location Considerations

Guidance on selecting optimal outdoor unit placement, addressing space, environment, and noise.

TOOLS AND REFRIGERANT

INTERCONNECTING TUBING

WIRING

Power Wiring and Grounding

Procedures for connecting power supply and ensuring proper unit grounding for safety.

START-UP

Airflow Verification and System Setup

Evacuation and Leak Testing Procedures

Critical steps for removing air and moisture and performing final leak checks.

REFRIGERANT CHARGE ADJUSTMENT

Refrigerant Charge Calculation and Adjustment

Comprehensive guide to checking and adjusting system refrigerant charge for optimal performance.

DIAGNOSTICS

Electrical System Troubleshooting

Cooling Mode Mechanical Troubleshooting

Common System Problems and Remedies

Comprehensive table listing common system issues, their causes, and recommended solutions.

Compressor and Refrigerant System Diagnostics

Detailed diagnostics for compressor issues, refrigerant problems, and expansion valve malfunctions.

WIRING DIAGRAMS

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