omi ED225 HP45 Operator's Manual

Direct expansion compressed air dryers

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DIRECT EXPANSION COMPRESSED AIR DRYERS
Operators Manual
ED HP45
88 – 108 – 180
225 – 270 – 360
480 – 660 – 990 – 1200
Cod. 710.0201.01.00 Rev.01 – 05.2022
1 - 11
© Copyright 2022 OMI Srl - All rights reserved

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Table of Contents
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Summarization of Contents

General Information
Functional Description
Explains how the dryer removes moisture from compressed air through cooling and separation stages.
Safe Machine Operation
Outlines safety precautions for installation, use, and maintenance, emphasizing qualified personnel.
Installation Procedures
Acceptance and Handling
Instructions for inspecting the unit upon delivery and proper handling procedures to avoid damage.
Storage and Location Selection
Guidelines for storing the dryer and selecting an appropriate installation site with required clearances and conditions.
Unpacking the Dryer
Steps for safely unpacking the device, recommending keeping original packaging and proper disposal of materials.
Installation Steps
Details electrical connections, condensate drainage setup, prefilter installation, and safety devices.
Dryer Start Up and Control
Control Panel Overview
Overview of the electronic control system, including keys and display components.
Key Functions
Explains the function of each button on the control panel (ON/OFF, TEST, SET, DOWN, UP).
Condensate Discharge Programming
Details how to program condensate discharge delay and time parameters (C8, C9).
Display Error Indications
Explains the meaning of different messages and codes displayed by the controller during operation.
Remote Alarm Setup
Describes how to connect a remote alarm signal using a dry contact on the control board.
Pre-Start Checks
Instructions to verify operating parameters and pre-set configurations before initial startup.
Startup Procedure
Step-by-step procedure for starting the dryer after installation or prolonged inactivity.
Maintenance and Troubleshooting
Routine Maintenance Schedule
Outlines weekly, monthly, and yearly maintenance tasks for the dryer.
Troubleshooting Common Issues
Lists common behaviors that are normal operation and provides guidance for troubleshooting issues.
Dryer Decommissioning
Provides instructions for safely shutting down, disconnecting, and disposing of the dryer.
Safety Information and Risks
General Safety Directives
Lists European safety directives and general precautions for using the dryer.
Nameplate Technical Data
Provides technical specifications and operating limits extracted from the equipment's nameplate.
Equipment Risk Assessment
Details specific risks like fire, freon gas dispersion, and excessive pressure on the compressed air side.

Table of Contents