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Emerson Copeland EazyCool OMQ-56-Nxx-TWD Series User Manual

Emerson Copeland EazyCool OMQ-56-Nxx-TWD Series
34 pages
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Copeland EazyCool
TM
outdoor condensing units
for refrigeration networks
Application Guidelines
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Emerson Copeland EazyCool OMQ-56-Nxx-TWD Series Specifications

General IconGeneral
BrandEmerson
ModelCopeland EazyCool OMQ-56-Nxx-TWD Series
CategoryHeat Pump
LanguageEnglish

Summary

Safety Instructions

Icon Explanation

Explains symbols used for warnings and safety information.

Safety Statements

Lists essential safety rules and precautions for unit operation and maintenance.

General Instructions

Provides general guidelines for handling, installation, and operation of Copeland EazyCool units.

Product Description

Unit Overview and Network Configurations

Introduces EazyCool units, their application in refrigeration networks, and configuration options.

Product Nameplate

Details the information found on the unit's nameplate, including model and serial numbers.

Nomenclature

Explains the meaning of characters in the model designation for unit identification.

Application Range

Specifies qualified refrigerants, oils, and operational limits for the units.

Main Component Description

Details the primary components of the condensing units, including compressors, fans, and sound insulation.

Liquid Receiver

Describes the liquid receiver for 2-unit networks and mentions remote receivers for larger systems.

Electrical Box Components

Lists the various electrical components housed within the unit's electrical box.

Pressure Switch

Details the types of pressure switches used for system protection and control.

Pressure Transmitter and Fan Control

Covers PT3 pressure transmitters and the FSP150 fan speed controller.

Liquid Line Equipment

Describes filter driers, liquid sight glasses, and solenoid valves for the liquid line.

Liquid Sub-cooler

Explains the function of the liquid sub-cooler in low-temperature applications.

Solenoid Valve and Oil Management

Details solenoid valves, oil separators, and electronic oil control systems.

Installation

Transport and Storage

Provides guidance on safely transporting and storing the condensing units before installation.

Dimensions

Presents the physical dimensions of the Copeland EazyCool™ units in millimeters.

Connection Access

Explains how to access the unit's electrical and refrigeration components via an access door.

Electrical Box Access

Details the procedure for opening the electrical panel to access internal wiring and components.

Electrical Protection Standards

Outlines the IP ratings and protection standards for various unit components.

Condensing Unit Electrical Data

Provides technical electrical specifications, including operating currents and fan data.

Refrigeration Connections

Refrigeration Connections Diagram

Illustrates the layout of suction, liquid, and oil distribution lines for the units.

Brazing Recommendation

Offers best practices and material recommendations for brazing refrigeration lines.

Brazing of the Tubes

Provides step-by-step instructions for properly brazing refrigerant tubes to avoid damage.

Network Installation Procedures

2 Unit Network Installation

Details installation, master/slave configurations, and piping for 2-unit networks.

3 & 4 Unit Network Installation

Details installation, master/slave configurations, and piping for 3 & 4-unit networks.

3 Unit Network Piping Details

Details installation, dimensions, and piping for 3-unit medium and low-temperature networks.

4 Unit Network Piping Details

Details installation, dimensions, and piping for 4-unit medium and low-temperature networks.

Electronic Controller EC2-551 Configuration

Binding Process

Describes the procedure for configuring controllers as master and slaves in a network.

Timeout on Binding Process

Explains the escape function for the binding process if no action is taken within 2 minutes.

Delete Bindings

Details how to remove existing network configuration links.

Back-up in Case of Communication Failure

Explains operation in stand-alone mode during communication breakdown or controller failure.

Parameters Information

Guides on accessing and understanding system configuration parameters.

Parameters Modification

Provides instructions on how to modify system configuration parameters.

Starting Up & Operation

Charging Procedure

Recommends charging the unit with refrigerant via the Rotalock service valve.

Sound Levels

Provides information on sound pressure levels and how to calculate them for different distances.

Scroll Compressor Rotation Direction

Explains the importance of correct rotation direction for three-phase compressors.

Maximum Compressor Cycle

Specifies the allowed number of compressor starts per hour.

Checks Before Starting & During Operation

Lists crucial checks for valves, panels, and oil levels before and during operation.

Maintenance, Certification & Disposal

Replacing a Compressor

Details the steps for safely removing and replacing a compressor unit.

Certification and Approval

Confirms compliance with relevant directives like PED and low voltage standards.

Dismantling and Disposal

Provides guidelines for environmentally responsible removal and disposal of oil, refrigerant, and compressors.

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