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Ingersoll-Rand HRD Series User Manual

Ingersoll-Rand HRD Series
112 pages
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HRD SERIES
HEATLESS COMPRESSED AIR DRYERS
OPERATOR’S
INSTRUCTION MANUAL
HRD56 HRD475 HRD1710
HRD100 HRD600 HRD2010
HRD160 HRD800 HRD2250
HRD200 HRD1000 HRD2600
HRD275 HRD1200 HRD3250
HRD350 HRD1450
English: 1-1
Español: 2-1
Français: 3-1
Before installation or starting the dryer for the
first time, study this manual carefully to
obtain a clear knowledge of the dryer and of
the duties to be performed while operating
and maintaining the dryer.
RETAIN THIS MANUAL WITH DRYER.
This technical manual contains IMPORTANT
SAFETY DATA and should be kept with the
dryer at all times.
Bulletin 348 Revision E (6/99)
©1998-1999 Ingersoll-Rand Company

Table of Contents

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Ingersoll-Rand HRD Series Specifications

General IconGeneral
Model SeriesHRD Series
DimensionsVaries by model
WeightVaries by model
AirflowVaries by model
Moisture RemovalVaries by model
Power SupplyVaries by model

Summary

Introduction to HRD Series Air Dryers

Safety Guidelines for HRD Dryers

Industry-accepted safety factors and design considerations for HRD Series dryers.

Key Safety Warnings and Hazard Levels

Crucial safety rules and definitions of hazard severity levels.

HRD Dryer Installation Procedures

Desiccant and Muffler Information

Desiccant Types and Handling Safety

Information on desiccant types and safety precautions during handling.

Electrical Connections and Dryer Instrumentation

Electrical Connection Safety

Guidelines for connecting the dryer to the electrical power supply.

Compu-Purge Control System

Compu-Purge Control Modes

Dryer operation modes: Compu-Purge, Standby, and Fixed-Cycle.

Automatic Drain Valve (ADV) System

Dryer Start-Up and Dew Point Settings

Dryer Startup Procedure

Step-by-step instructions for initial dryer startup.

Dew Point Control and Adjustment

How outlet air dew point is controlled by purge air and adjusted.

Dew Point Verification Process

HRD Dryer Maintenance Procedures

Shutdown Procedure and Safety Precautions

Procedures for safely shutting down the dryer and venting pressure.

Maintenance Schedule Overview

Periodic checks for dryer operation and safety.

Specific Maintenance Tasks and Schedules

Daily Maintenance Actions

Daily maintenance actions for dryer operation.

Desiccant Replacement and Safety

Filter Element Replacement Procedure

Filter Replacement Safety Warnings

Safety warnings for explosion hazard, shock hazard, and filter bowl handling.

Servicing Internal Float Drain Valve

Float Drain Valve Safety Precautions

Safety warnings for venting pressure and incomplete depressurization.

Automatic Drain Valve (ADV) Servicing

Care and Maintenance of Compu-Purge Sensors

Sensor Dismantling Safety

Warning about dismantling pressurized components.

Troubleshooting Common Dryer Problems

Automatic Dryer Shutdown Causes

Causes and remedies for automatic dryer shutdown.

HRD Dryer Specifications Table

Replacement Parts Information

Electrical Schematics Overview

Electrical Schematic (Without Compu-Purge)

Electrical Schematic (With Compu-Purge)

Compu-Purge Control Board Service Layout

Compu-Purge Power Board Service Layout

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