Ruud RP1460AJ1NA - 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

General Information

Application

Installation

Choosing a Location

Guidance on selecting an appropriate outdoor unit location.

Unit Mounting

Factory-Preferred Tie-Down Method for High Wind or Seismic Loads

Interconnecting Tubing

Refrigerant Level Adjustment

Start-Up

Start-Up

Checking Airflow

Procedures for verifying proper airflow for optimal system performance.

Evacuation and Leak Testing

Evacuation Procedure

Detailed steps for evacuating air and moisture from the system.

Final Leak Testing

Methods for detecting leaks in the system after evacuation.

Checking Refrigerant Charge

Charging Units With R-410 A Refrigerant

Procedures and cautions for charging systems with R-410A.

Confirm ID Airflow and Coils Are Clean

Measurement Device Setup

Charging by Weight

Gross Charging by Pressures

Procedure for initial charge adjustment based on system pressures.

Final Charge by Subcooling

Method for fine-tuning the system charge using subcooling.

Components and Controls

Compressor Crankcase Heat (CCH)

High- and Low-Pressure Controls (HPC and LPC)

Demand Defrost Control

Operation and initiation of the demand defrost cycle.

Diagnostics

Cooling Mechanical Checks Flowchart

Flowchart for diagnosing cooling system mechanical issues.

Heating Mechanical Checks Flowchart

Flowchart for diagnosing heating system mechanical issues.

Defrost Mechanical Checks Flowchart

Flowchart for diagnosing defrost system issues.

General Troubleshooting Chart

Table listing common symptoms, causes, and remedies for system issues.

Service Analyzer Charts - Compressor Overheating

Service Analyzer Charts - Electrical

Service Analyzer Charts - Flooded Starts

Service Analyzer Charts - Thermostatic Expansion Valves

Thermostatic Expansion Valves (cont.)

Cooling Mode Troubleshooting Tips

Indicators and tips for diagnosing cooling mode system problems.

Heating Mode Troubleshooting Tips

Indicators and tips for diagnosing heating mode system problems.

Wiring Diagrams

Ruud RP1460AJ1NA Specifications

General

Type	Heat Pump
Brand	Ruud
Model	RP1460AJ1NA
Phase	1
Refrigerant Type	R-410A
Voltage (V)	208-230