Rheem RA1424AJ1NA User Manual

48 pages

To Next Page

To Next Page

Page #1 background image

Loading...

Page #1 background image

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

e

n

rie

i

fr

h

NOTE: Actual unit appearance

may vary.

Table of Contents

Questions and Answers:

D
Dr. Bailey Mercer PhDAug 22, 2025
How to fix insufficient cooling in Rheem RA1424AJ1NA Air Conditioner?
- B
  brobinsonAug 22, 2025
  Insufficient cooling in your Rheem Air Conditioner can stem from several issues. The unit might be improperly sized, requiring a recalculation of the load. There could be improper indoor airflow; check to ensure it's approximately 400 CFM per ton. An incorrect refrigerant charge is another possibility; charge the system per the procedure attached to the unit service panel. Also, air, noncondensibles, or moisture in the system can cause this problem, requiring refrigerant recovery, evacuation, and recharge, along with the addition of a filter drier. Finally, a faulty ID TXV could be the culprit, necessitating replacement.
R
Rachel HenryAug 23, 2025
Why are the registers sweating in my Rheem RA1424AJ1NA Air Conditioner system?
- J
  Jessica KingAug 23, 2025
  If the registers in your Rheem Air Conditioner system are sweating, it's likely due to low indoor airflow. Try increasing the blower speed or reducing any restrictions in the airflow. Replacing the air filter can also help.
C
cherylthompsonAug 25, 2025
How to troubleshoot a Rheem Air Conditioner that will not run?
- N
  nicole09Aug 26, 2025
  If your Rheem Air Conditioner unit won't run, several factors could be the cause. It could be due to a power outage or loose electrical connection, so check the voltage at the line voltage connections. The thermostat might be out of calibration, so try resetting it. A blown fuse or tripped breaker can also prevent the unit from running, so replace the fuses or reset the breaker. Other potential issues include a defective transformer (check the wiring and replace if necessary), an open high-pressure control (reset it), an open low-pressure control, a defective control board (check diagnostic codes), or miswiring of communications (check communication wiring).
M
Michelle SmithAug 26, 2025
What to do if Rheem RA1424AJ1NA Air Conditioner compressor short cycles?
- J
  johnsonamandaAug 27, 2025
  If your Rheem Air Conditioner's compressor is short cycling, several factors could be responsible. First, check the voltage at the compressor terminals; it must be within ± 10% of the nameplate marking when the unit is operating. A defective overload protector could also be the cause, requiring replacement. Lastly, a refrigerant undercharge might be the issue, in which case you should add refrigerant.
R
Roberto JonesAug 27, 2025
What causes Rheem RA1424AJ1NA Air Conditioner outdoor fan to run but compressor not?
- J
  Jonathan PattersonAug 27, 2025
  If the outdoor fan of your Rheem Air Conditioner is running but the compressor isn't, it could be due to several reasons. A defective run or start capacitor may be the cause, requiring replacement. The contactor could also be defective and need replacement. Check for correct voltage at the compressor and ensure all connections are tight, as a loose connection could be the problem. The compressor might be stuck, grounded, have an open motor winding, or an open internal overload; wait at least 3 hours for the overload to reset, and if it remains open, replace the compressor. A low-voltage condition could also be the cause, in which case you should add start kit components.
R
ryan01Aug 28, 2025
Why does my Rheem RA1424AJ1NA Air Conditioner have high head pressure in cooling mode?
- B
  bryangarciaAug 29, 2025
  High head pressure in cooling mode for your Rheem Air Conditioner can result from a few issues. The outdoor coil might be dirty, so cleaning it is recommended. Refrigerant overcharge could also be the problem, requiring a correction of the system charge. If the outdoor fan isn't running, it needs repair or replacement. Finally, air or noncondensibles in the system could be the cause, requiring refrigerant recovery, evacuation, and recharge.
A
andrew72Aug 30, 2025
Why is my Rheem RA1424AJ1NA's indoor coil iced?
- J
  Jennifer SimmonsAug 30, 2025
  An iced indoor coil, accompanied by low vapor and a cool compressor in your Rheem Air Conditioner, can be attributed to several factors. Low indoor airflow could be the culprit; increase the blower speed or reduce restrictions, and replace the air filter. If you're operating below 65°F outdoors, consider adding a Low Ambient Kit. Moisture in the system can also lead to this issue, requiring refrigerant recovery, evacuation, recharge, and the addition of a filter drier. Lastly, a closed ID circuit might be the cause, necessitating repair or replacement of the ID coil.
E
Emily CraneAug 31, 2025
What causes high vapor pressure in Rheem RA1424AJ1NA Air Conditioner?
- N
  Natasha WatsonAug 31, 2025
  High vapor pressure in your Rheem Air Conditioner can be caused by an excessive load, so recheck the load calculation. It may also be due to a defective compressor, which would require replacement.
P
pcontrerasSep 1, 2025
What causes high head and low vapor pressures in Rheem RA1424AJ1NA?
- M
  Matthew FritzSep 2, 2025
  High head pressure combined with low vapor pressures in your Rheem Air Conditioner typically indicates a restriction in the liquid line, expansion device, or filter drier. Remove or replace the defective component. It can also be caused by a bad TXV, which needs to be replaced.
D
donaldnguyenSep 3, 2025
What does low head and high vapor pressures mean for Rheem Air Conditioner?
- K
  Kyle HarrisSep 3, 2025
  Low head pressure coupled with high vapor pressures in your Rheem Air Conditioner can point to a bad TXV, which requires replacement. Another potential cause is a bad compressor, which would also need replacing.

Rheem RA1424AJ1NA Specifications

General

Model	RA1424AJ1NA
Type	Split System Air Conditioner
SEER Rating	14
HSPF Rating	Not Applicable
Refrigerant	R-410A
Voltage	208/230V
Phase	1
Compressor Type	Scroll
Frequency	60 Hz
Sound Level (Indoor)	Not Available
Dimensions (Indoor Unit)	Not Available
Weight (Indoor Unit)	Not Available
Cooling Capacity	24, 000 BTU/h
Energy Efficiency Ratio (EER)	11.5

Summary

IMPORTANT SAFETY INFORMATION

AWARNINGS

Group of critical safety warnings regarding installation and operation.

ACAUTIONS

INSTALLATION - Location and Environment

Choosing a Location

INSTALLATION - Leak Testing

Leak Testing Procedures

WIRING - Control Wiring

Control Wiring Diagrams

WIRING - Power and Grounding

Power Wiring Requirements

Grounding Procedures

Critical steps for safely grounding the unit.

START-UP - Initial Checks

Start-Up Procedures

Steps to take before initial compressor start-up.

Checking Airflow

START-UP - System Preparation

Evacuation Procedure

Crucial steps for removing air and moisture from the system.

Final Leak Testing

Methods for detecting leaks after evacuation.

START-UP - Refrigerant Charging

Checking Refrigerant Charge

General procedure for verifying system charge.

Confirm ID Airflow and Coils Are Clean

Charging by Weight

START-UP - Refrigerant Adjustment

Gross Charging by Pressures

Initial charge adjustment using system pressures.

Final Charge by Subcooling

Method for precise charge adjustment using subcooling.

START-UP - Finalizing

Checking Refrigerant Charge (cont.)

Final charge adjustments.

Finishing Up Installation

DIAGNOSTICS

Electrical Checks Flowchart

Troubleshooting guide for electrical issues.

Cooling Mechanical Checks Flowchart

Troubleshooting guide for cooling system mechanical problems.

General Troubleshooting Chart

Common symptoms, causes, and remedies.

Service Analyzer Charts - Compressor Overheating

Diagnosing compressor overheating issues.

Service Analyzer Charts - Electrical and Flooded Starts

Diagnosing electrical and flooded start issues.

Service Analyzer Charts - Contamination, Lubrication, Slugging

Diagnosing contamination, lubrication, and slugging issues.

Service Analyzer Charts - Flooding and TXV

Diagnosing flooding and thermostatic expansion valve issues.

Service Analyzer Charts - TXV Regulation

Diagnosing TXV regulation problems.

Cooling Mode Troubleshooting Tips

Quick reference for cooling mode issues.

WIRING DIAGRAMS

Single-Phase Models Wiring Diagram

Electrical schematic for single-phase units.

Three-Phase Models Wiring Diagram

Electrical schematic for three-phase units.

Related product manuals

Preview: Rheem RA1460AJ1NA

Rheem RA1460AJ1NA

Rheem RA1448AJ1NA

Rheem RA1442AJ1NA

Rheem RA1436AJ1NA

Rheem RA1430AJ1NA

Rheem RA1418AJ1NA

Rheem RA1336AJ1NA

Rheem RA1360AC1NB

Preview: Rheem RA1618AJ1NA

Rheem RA1618AJ1NA

Rheem RA1630AJ1NB

Rheem RA1642AJ1NA

Preview: Rheem RA13 Series

Rheem RA13 Series