Rheem RP18AZ36AJVCA - User Manual

VARIABLE SPEED R-410A
HEAT PUMP/AIR CONDITIONER
OUTDOOR UNITS
92-104921-27-01 ( / )
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.
(-)A18AZ & (-)P18AZ (18 SEER2)
EQUIPPED WITH ECONET™
COMMUNICATIONS
WARNING:
RECOGNIZE THIS SYMBOL
AS AN INDICATION OF
IMPORTANT SAFETY
INFORMATION
ISO 9001:2015
Enabled
INSTALLATION INSTRUCTIONS

Rheem RP18AZ36AJVCA Specifications

General

Brand	Rheem
Model	RP18AZ36AJVCA
Category	Air Conditioner
Language	English

Summary

IMPORTANT SAFETY INFORMATION

INSTALLATION

Tools and Refrigerant

Refrigerant Line Set Selection

Guidance on selecting and sizing refrigerant line sets.

Line Set Installation

Initial Leak Testing

Procedures for performing initial leak testing.

Evacuation

Steps for evacuating air and moisture from the system.

Final Leak Testing

Steps for performing final leak testing after evacuation.

Control Wiring

Power Wiring

Grounding

Requirements for permanently grounding the unit.

SYSTEM START-UP & REFRIGERANT CHARGING

Initial Power-Up and EcoNet Communication Verification

Entering Charge Mode Using EcoNet Control Center Service Menu

Guide to enter charge mode via EcoNet menu.

Entering Charge Mode When Using a Conventional 24 VAC Thermostat

Guide to enter charge mode via thermostat.

Indoor Air-Flow Verification

Refrigerant Charging

Procedures for checking and adjusting refrigerant charge.

Completing Installation

NORMAL SEQUENCE OF OPERATION

Cooling Mode

Low Ambient Cooling Mode

Heating Mode

Demand Defrost

Sequence of Operation for Conventional 24 VAC Thermostat Controls

COMPONENTS & CONTROLS

EcoNet Universal Outdoor Control (UODC)

Power Inverter Compressor Control

How the power inverter controls the compressor.

ACTIVE SYSTEM PROTECTION FEATURES

High Discharge Temperature

Protection against high discharge temperatures.

High Discharge Pressure

Protection against high discharge pressure.

Low Suction Pressure; Loss of Charge

Protection against low suction pressure or loss of charge.

Compressor Shut-Down Sequence for High or Low Refrigerant Pressure Fault

Sequence for compressor shutdown due to pressure faults.

Overcurrent and Current Imbalance

Compressor Operation Outside Envelope

Over and Under Voltage

Inverter Over Temperature

Controls and Communication Malfunction

Sensor Failure Default Operation

Exiting Active Protection Lock-Out Mode

DIAGNOSTICS & TROUBLESHOOTING

Checking Transducers & Temperature Sensors

Procedures for checking system sensors and transducers.

General Troubleshooting Guide

Common troubleshooting tips for system issues.

Service Analyzer Charts

Charts for analyzing system performance and diagnosing issues.

Troubleshooting Tips

Specific tips for troubleshooting cooling mode issues.

WIRING DIAGRAM