Ingersoll-Rand HRD5 User Manual

Bulletin 341 Revision F 7/97
HRD SERIES
HEATLESS COMPRESSED AIR DRYERS
OPERATOR’S
INSTRUCTION MANUAL
Before installation or starting the dryer for the
first time, study this manual carefully to obtain
a clear knowledge of the unit and of the duties
to be performed while operating and maintain-
ing the unit.
RETAIN THIS MANUAL WITH UNIT.
This technical manual contains IMPORTANT
SAFETY DATA and should be kept with the
dryer at all times.

Ingersoll-Rand HRD5 Specifications

General

Brand	Ingersoll-Rand
Model	HRD5
Category	Dehumidifier
Language	English

Summary

Introduction to HRD Series Dryers

Safety Guidelines and Hazard Definitions

Crucial safety rules and hazard level definitions.

General Safety Rules

Safety rules to ensure safe dryer operation and prevent damage or injury.

Hazard Definitions

Definitions of hazard signal words (DANGER, WARNING, CAUTION).

Electrical Connections and Safety

Electrical Safety Precautions

Safety warnings for electrical work on the dryer.

Dryer Operation

How the Dryer Works

Explanation of the automatic cycling of air through desiccant beds.

Start-Up Procedure

Dew Point Control and Adjustment

Dew Point Adjustment

Procedure to adjust purge air for target dew point.

Dew Point Verification

Maintenance Overview

Shutdown Procedures

Electrical Maintenance Safety

Safety warnings for electrical maintenance procedures.

Desiccant Dusting Issues

Maintenance Schedule

Daily Checks

Desiccant Replacement

High-Humidity Alarm Field Adjustment

Field Service Guide