Ruud RP1524BJ1NA - User Manual

R-410A HEAT PUMP
OUTDOOR UNITS
92-105074-04-03 (8/15)
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

Summary

IMPORTANT SAFETY INFORMATION

WARNINGS

Safety precautions for installation and operation.

CAUTIONS

Precautions specific to R-410A systems and operation.

Specifications

Proper Installation

Emphasizes critical installation steps for optimal performance.

Match All Components

INSTALLATION

Choosing a Location

Guidelines for selecting an appropriate installation site.

Tools and Refrigerant

Required tools and R-410A refrigerant specifications.

Liquid Line Selection Chart (Table 2)

Chart for selecting liquid line sizes based on conditions.

Liquid Line Selection Chart (Table 2 cont.)

Continued chart for liquid line selection.

Suction Line Selection Chart (Table 3)

Suction Line Selection Chart (Table 3 cont.)

Tubing Installation Best Practices

Quick-Reference Guide For R-410 A

Indoor Coil Considerations

Liquid Line Selection

Suction Line Selection

Leak Testing Procedure

Unit Mounting & Elevation

Refrigerant Level Adjustment

Procedures for adjusting refrigerant charge.

WIRING

Control Wiring

Power Wiring

Typical Noncommunicating Thermostat Wiring Diagrams

Grounding

START-UP

Initial Start-Up

Procedures for powering up the unit for the first time.

Evacuation Procedure

Steps for removing air and moisture from the system.

Checking Refrigerant Charge

Overview of refrigerant charge verification.

Checking Refrigerant Charge (cont.)

Subcooling calculation and temperature pressure chart.

Checking Airflow

Final Leak Testing

Charging Units With R-410 A Refrigerant

Gross Charging by Pressures

Finishing Up Installation

Confirm ID Airflow and Coils Are Clean

Final Charge by Subcooling

Using subcooling for precise final charge adjustment.

Charging by Weight

DIAGNOSTICS

Cooling Mechanical Checks Flowchart

Troubleshooting guide for cooling system issues.

Heating Mechanical Checks Flowchart

Troubleshooting guide for heating system issues.

Defrost Mechanical Checks Flowchart

Troubleshooting guide for defrost system problems.

Service Analyzer Charts: Compressor Overheating

Causes and remedies for compressor overheating.

Cooling Mode Troubleshooting Tips

Indicators for diagnosing cooling system faults.

Heating Mode Troubleshooting Tips

Indicators for diagnosing heating system faults.

DIAGNOSTICS

General Troubleshooting Chart

Comprehensive symptom, cause, and remedy guide.

DIAGNOSTICS

Service Analyzer Charts: Electrical Issues

Service Analyzer Charts: Contamination & Lubrication

Service Analyzer Charts: Flooding & Expansion Valves

Service Analyzer Charts: Thermostatic Expansion Valves

WIRING DIAGRAMS

Single Phase with PSC Fan Motors

Electrical diagram for single-phase units.

3 Phase 208;230 V Models

Electrical diagram for 3-phase 208/230V units.

3 Phase, 460;575 V

Electrical diagram for 3-phase 460/575V units.

Ruud RP1524BJ1NA Specifications

General

Brand	Ruud
Model	RP1524BJ1NA
Category	Heat Pump
Language	English