Ingersoll-Rand HL300 User Manual

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HL SERIES DESICCANT DRYER

MODELS 90-5000

OPERATORS MANUAL

C.C.N. : 80442833 en

DATE : APRIL 2010

REV. : D

Ensure that the operator reads and understands the decals

and consults the manuals before maintenance or operation.

Ensure that the Operation and Maintenance manual is not

removed permanently from the machine.

Ensure that maintenance personnel are adequately trained,

competent and have read the Maintenance Manuals.



PRINT LANGUAGE

ENGLISH

FRENCH

PORTUGUESES

SPANISH

Table of Contents

Questions and Answers:

J
Jordan HensleyAug 14, 2025
What to do if Ingersoll-Rand Dryer has elevated dew point?
- S
  Sara PowellAug 14, 2025
  If your Ingersoll-Rand Dryer has an elevated dew point, several factors could be the cause. First, check the purge flow settings to ensure they are sufficient. Also, inspect the purge piping for any obstructions and clean the purge piping and muffler. Verify that the inlet air pressure meets the design conditions and check the system for leaks. Ensure the flow rate is within the design specifications and address any increased demand. If the inlet temperature exceeds the design condition (120°F), inspect and service the aftercooler. Also, check the air/moisture separator and pre-filter for entrained water and replace the dryer desiccant if needed. Finally, if the desiccant is contaminated by oil, install a suitable pre-filter and replace the dryer desiccant.
A
Annette FisherAug 17, 2025
Why Ingersoll-Rand Dryer fails to shift?
- P
  Philip OrtegaAug 17, 2025
  If your Ingersoll-Rand Dryer fails to shift, it could be due to several reasons. First, check the power input to ensure there is power. Next, inspect the no-loss drain valve for any defects. Also, check the pilot air line and ensure that the control air line filter is clean. Finally, examine the pilot-operated diaphragm valve seals and replace them if necessary.
T
tamara67Aug 21, 2025
What to do if Ingersoll-Rand Dryer has excessive pressure drop?
- G
  gardnerjulieAug 21, 2025
  If your Ingersoll-Rand Dryer experiences an excessive pressure drop, it could be due to excessive flowrate, so check the flow rate and cause for increased air demand. It could also be caused by the inlet pressure being below the design condition, in which case you should check the pressure source.
K
Kim WhiteAug 25, 2025
What to do if my Ingersoll-Rand Dryer fails to pressurize?
- J
  Jessica DrakeAug 25, 2025
  If your Ingersoll-Rand Dryer fails to pressurize, check that the repressurization circuit is sending a control signal to the purge valve. Also, inspect the purge valve and its no-loss drain valve.
M
Michelle DavisAug 27, 2025
What to do if Ingersoll-Rand Dryer depressurizes too rapidly?
- M
  Mrs. Carrie RodgersAug 27, 2025
  If your Ingersoll-Rand Dryer depressurizes too rapidly, it may be because the purge valve does not close, causing the dryer to repressurize through the inlet valve. Check the purge valve and its no-loss drain valve.
J
Jessica HartAug 31, 2025
What to do if the Blue Moisture Indicator (BMI) indicates high moisture level in Ingersoll-Rand Dryer?
- D
  Debbie RodriguezAug 31, 2025
  If the Blue Moisture Indicator (BMI) in your Ingersoll-Rand Dryer indicates a high moisture level, it could be due to an elevated dew point. Refer to the corrective actions for 'Elevated Dew Point'. Also, if the BMI is wet, it may take a week or more of continuous use for it to switch back to its blue (dry) state, depending on the degree of saturation of the desiccant.
Y
ymosleySep 3, 2025
How to fix Ingersoll-Rand Dryer that fails to purge?
- S
  Shannon Nelson MDSep 3, 2025
  If your Ingersoll-Rand Dryer fails to purge, it may be because the purge valve does not open or is stuck in the closed position. Check the purge valve and its no-loss drain valve, and repair or replace them if necessary. Also, check that the repressurization circuit is sending a control signal.
J
Jessica ChapmanSep 6, 2025
What causes excessive back pressure in regenerating tower of Ingersoll-Rand Dryer?
- J
  Jonathan ReidSep 7, 2025
  Excessive back pressure in the regenerating tower of your Ingersoll-Rand Dryer (above 5 psig) could be due to a dirty purge muffler that does not pass air; replace it. It may also be caused by the purge muffler passing too much air because air is leaking across the valve; check the inlet valve and outlet check valves, and verify the inlet valve is closed to the purging tower (0 psig tower).
Q
qgrahamSep 10, 2025
What causes excessively high pressure at the purge gauge on the right tower of Ingersoll-Rand Dryer?
- M
  Michael WilliamsSep 10, 2025
  If there is excessively high pressure at the purge gauge on the right tower of your Ingersoll-Rand Dryer, it could be due to improper calibration. Reset it when the right tower is online.

Ingersoll-Rand HL300 Specifications

General

Brand	Ingersoll-Rand
Model	HL300
Category	Dryer
Language	English

Summary

6.0 Safety and Operation Precautions

7.0 Principles of Operation

7.2 Drying Cycle

7.3 Regeneration Cycle

7.8 Controls

7.8.1 Basic User Interface

7.8.2 Microprocessor Control Display Parameters

7.8.3 Alarms and Their Functions

Explains detected alarms and their meanings.

Fail to Shift Alarm (Optional)

Alarm indicating a switching valve failure.

High Dew Point Alarm (Optional)

Alarm for high outlet dew point.

Alarm List

8.0 Alarms and Indicators

8.2 Failure to Shift Alarm (Optional)

Describes the failure to shift alarm and its causes.

8.3 Energy Management System (EMS) - (Optional)

Explains how the EMS minimizes purge air loss.

8.4 High Dew Point Alarm (Included with EMS)

Alarm for high outlet dew point when EMS is used.

8.5 Compressor Interlock

Interlocking dryer operation with compressor status.

9.0 Installation and Initial Start-Up

9.4 Filtration

9.6 Electrical Connection

Procedures for making electrical connections.

9.8 Start-Up

Step-by-step guide for initial dryer startup.

9.9 Shut-Down Sequence

Proper procedure for shutting down the dryer.

10.0 Technician Mode

10.1 Entering Technician Mode

10.3 Energy Management System (Optional)

Description and activation of the EMS feature.

10.3.1 Description and Activation

How the EMS feature works and is activated.

10.3.2 Setpoint Adjustment

10.6 Compressor Interlock

Interlocking dryer operation with compressor status.

10.7 High Dew Point Alarm (Included with EMS Option)

Purpose and activation of the high dew point alarm.

10.7.1 Description and Activation

Explains the high dew point alarm function.

10.7.2 Setpoint Adjustment

11.0 Maintenance and System Check

11.1 Scheduled Maintenance

Daily, semi-annual, and annual maintenance tasks.

11.2 Pre-Filters and Post-Filters

11.8 Desiccant Changeout Procedure

Step-by-step guide for replacing desiccant.

12.0 Troubleshooting

15.0 Wiring Diagram

16.0 Flow Diagram

17.0 Replacement Parts

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