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Delta-T RZ-02A Series - User Manual

Delta-T RZ-02A Series
27 pages
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User & Technical Manual
RZ-02A, RZ-03A, & RZ-04A Series
for Class I, Division 2 Hazardous Locations
Rev 1.9
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Summary

Revision History

Statement of Confidentiality

Overview

Technical Support

Contact information and support hours for troubleshooting and inquiries.

Inspecting the Equipment

Procedures for checking the unit for damage upon receipt.

Unpacking the Air Conditioner

Guidelines for safely removing the unit from its packaging.

Moving the Air Conditioners

Instructions for handling and transporting the unit to prevent damage.

Unit Label

Importance of recording unit label information for warranty and parts.

Operation

Explanation of how the air conditioner functions and its cooling/heating principles.

Sealed Device Information

Preliminary Testing

Mounting the Air Conditioner

Unit Specifications

RZ-02 A Series

Electrical and refrigeration specifications for RZ-02A air conditioner models.

RZ-03 A Series

Electrical and refrigeration specifications for RZ-03A air conditioner models.

RZ-04 A Series

Electrical and refrigeration specifications for RZ-04A air conditioner models.

Options

Low Ambient

Circuitry to protect the compressor in low temperature environments.

High Temperature Alarm

Alarm capability for enclosure temperature monitoring and notification.

Celsius Programming

Allows user control of the air conditioner in SI units.

External Heat Output

Option to add external heaters for focused enclosure heating.

Special Programming

Pre-programmed settings for unique requirements without manual configuration.

Adjustable Temperature Probe

12' probe for flexible temperature monitoring and maintenance.

Remote Controller

Moves the controller off-unit for application flexibility.

System Faults

Digital Temperature Controller Programming

How to See the Setpoint

Steps to view the current setpoint value on the controller.

How to Change the Setpoint

Instructions for modifying the temperature setpoint value.

How to Access Hidden Menu 1

Procedure to enter the first hidden menu for advanced settings.

How to Access Hidden Menu 2

Procedure to enter the second hidden menu for advanced settings.

How to Lock the Keypad

Steps to lock the controller keypad to prevent unauthorized changes.

How to Unlock the Keypad

Steps to unlock the controller keypad to allow adjustments.

Functions and Parameters

Details of controller functions, parameters, and their settings.

Alarms Signals

Explanation of alarm messages, causes, and system outputs.

Alarm Recovery

Procedures for clearing alarms and restoring normal operation.

Preventative Maintenance

Air Filter Service

Instructions for cleaning or replacing the air conditioner filter.

Condenser and Evaporator Fans

Information on fan maintenance and cleaning for optimal performance.

Compressor

Details about the maintenance-free compressor and its features.

Loss of Refrigerant

Information on detecting and repairing refrigerant leaks.

Field Serviceable Parts

Safety Information

Troubleshooting Guide

Physical Dimensions

Electrical Schematics

System Schematic

Wiring diagram showing the overall system connections.

Digital Controller Schematic

Wiring diagram for the digital controller and its connections.

Warranty Information

Return Material Authorization (RMA) Procedure

Appendix A

Phoenix Contact Power Connector Instructions

Instructions for connecting power wires using Phoenix Contact connectors.

Delta-T RZ-02A Series Specifications

General IconGeneral
BrandDelta-T
ModelRZ-02A Series
CategoryAir Conditioner
LanguageEnglish

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