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User & Technical Manual
NE020, NE030, & NE040 Series
Rev 2.2

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Summarization of Contents

Document Information
Objective
Purpose of the manual: to provide information for maintenance, diagnostics, and operations.
Revision History
Record of changes and updates made to the manual across different versions.
Statement of Confidentiality
Legal statement regarding the proprietary nature of the manual's content.
Getting Started and Handling
Overview and Technical Support
General introduction to the equipment and contact details for technical assistance.
Inspecting and Unpacking Equipment
Procedures for checking and safely unpacking the air conditioner upon receipt.
Moving the Air Conditioners
Instructions and precautions for moving the air conditioner unit.
Unit Label Information
Importance of recording unit label information for warranty and parts.
Installation and Operation
Operation Overview
Explanation of the air conditioner's cooling and dehumidification functions.
Preliminary Testing
Essential tests to perform before mounting the air conditioner.
Mounting the Air Conditioner
Detailed instructions for securely mounting the air conditioner onto an enclosure.
Technical Specifications
NE020 Series Specifications
Electrical and refrigeration data for the NE020 series models.
NE030 and NE040 Series Specifications
Electrical and refrigeration data for NE030 and NE040 series models.
Optional Features and Configurations
Built-in Heater and Low Ambient Options
Details heater option and low ambient protection for the compressor.
Dry Contact, Celsius, External Heat, and Special Programming
Explains dry contact, Celsius, external heat, special programming, and high ambient options.
Advanced Options and Connectivity
Safety and Monitoring Options
Covers open door kill switch and adjustable temperature probe.
Controller Communication Options
Information on Ethernet/IP output and the Outdoor option controller.
System Faults and Controller Programming
System Faults Identification
Identifies critical conditions causing compressor shutdown and alarms.
Digital Temperature Controller Programming
Guide to viewing and changing controller functions and parameters.
Controller Programming Details
Accessing Hidden Menus and Keypad Control
Procedures for hidden menus, keypad locking, and unlocking.
Controller Functions and Parameters Table
Overview of controller functions, parameters, defaults, and operating ranges.
Alarm Management and Recovery
Alarm Signals and Causes
Lists alarm messages, their causes, and associated outputs.
Alarm Recovery Procedures
Explains how the system recovers from various alarm conditions.
Preventative Maintenance Procedures
Air Filter and Fan Maintenance
Instructions for air filter service and fan cleaning.
Compressor and Refrigerant Care
Information on compressor maintenance and handling refrigerant loss.
Serviceability and Safety Information
Field Serviceable Parts
Identifies components that can be serviced by a field technician.
General Safety Precautions
Crucial safety precautions and UL specifications for unit operation.
Troubleshooting Guide - Basic Checks
Unit Will Not Run Troubleshooting
Flowchart for diagnosing and resolving issues when the unit fails to start.
Overheating or Insufficient Cooling Troubleshooting
Flowchart for diagnosing and resolving overheating or poor cooling.
Troubleshooting Guide - Unit Not Cooling
Compressor, Voltage, and Error Code Diagnostics
Diagnosing compressor issues, voltage, error codes, and contactor circuits.
Troubleshooting Guide - Codes and Protection
Flashing Error Code Troubleshooting
Guide for troubleshooting various flashing error codes displayed by the controller.
Fuse and Circuit Protection Issues
Diagnosing nuisance trips of fuses or circuit protection.
Physical Dimensions and Water Issues
Water Overflow and Drainage Troubleshooting
Troubleshooting steps for water overflow and condensate drainage issues.
Physical Dimensions and Mounting Details
Diagram illustrating the unit's physical dimensions and mounting layout.
Electrical Schematics
System Schematic Overview
Overall wiring diagram of the air conditioner system.
Digital Controller Wiring Diagram
Wiring diagram for the digital temperature controller.
Warranty Information
Warranty Terms, Conditions, and Exclusions
Details the warranty period, operating conditions, and exclusions.
Purchaser Responsibilities and Limitations
Outlines purchaser responsibilities for grounding, installation, and liability limits.
Returns and Out-of-Warranty Service
Return Material Authorization (RMA) Procedure
Steps and requirements for returning units for service or stock rotation.
Out of Warranty Repair Process
Procedures for obtaining repair services for units no longer under warranty.
Appendix A: Power Connector Installation
Phoenix Contact Power Connector Instructions
Instructions for connecting power wires using the Phoenix Contact connector.

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