Ingersoll-Rand HL2100 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
Joseph GonzalezAug 14, 2025
What to do if Ingersoll-Rand Dryer has elevated dew point?
- L
  Leah FlynnAug 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
Austin LivingstonAug 17, 2025
Why Ingersoll-Rand Dryer fails to shift?
- J
  Jessica PerezAug 18, 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.
M
Mark MartinezAug 21, 2025
What to do if Ingersoll-Rand Dryer has excessive pressure drop?
- T
  Tyler VillanuevaAug 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.
T
Thomas Bryan IIAug 25, 2025
What to do if my Ingersoll-Rand Dryer fails to pressurize?
- C
  Charles SmithAug 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.
C
Christopher JonesAug 27, 2025
What to do if Ingersoll-Rand Dryer depressurizes too rapidly?
- G
  gomezkathleenAug 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.
A
Andrea StewartAug 31, 2025
What to do if the Blue Moisture Indicator (BMI) indicates high moisture level in Ingersoll-Rand Dryer?
- T
  Tyrone GillespieAug 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.
D
Daniel SullivanSep 3, 2025
How to fix Ingersoll-Rand Dryer that fails to purge?
- J
  jenniferwatsonSep 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.
M
Molly MurphySep 6, 2025
What causes excessive back pressure in regenerating tower of Ingersoll-Rand Dryer?
- J
  Joseph HughesSep 6, 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).
N
Nancy MooreSep 10, 2025
What causes excessively high pressure at the purge gauge on the right tower of Ingersoll-Rand Dryer?
- R
  robert02Sep 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 HL2100 Specifications

General

Brand	Ingersoll-Rand
Model	HL2100
Category	Dryer
Language	English

Summary

3.0 WARRANTY

6.0 SAFETY AND OPERATION PRECAUTIONS

General Safety Precautions

Follow all safety rules and precautions for operating and maintaining the dryer.

7.0 PRINCIPLES OF OPERATION

7.2 DRYING CYCLE

7.3 REGENERATION CYCLE

7.4 SETTING REGENERATION AIR FLOW

7.7 TIMING SEQUENCE

7.7.1 TIMING CYCLE FOR -40°F DEW POINT DRYERS

7.7.2 TIMING CYCLE FOR -100°F DEW POINT DRYERS

7.8 CONTROLS

Details the various control systems and interfaces of the dryer.

7.8.1 BASIC USER INTERFACE

Describes the microprocessor control display and keypad functions for user interaction.

Microprocessor Controller Functions

7.8.2 MICROPROCESSOR CONTROL DISPLAY PARAMETERS

7.8.3 ALARMS AND THEIR FUNCTIONS

Explains alarms detected by the controller and their functions.

Fail to Shift Alarm

High Dew Point Alarm

Alarm List

7.8.4 RESTART MODES AND OPERATING DISPLAYS

7.8.4.1 Restart Mode

8.0 ALARMS AND INDICATORS

8.2 FAILURE TO SHIFT ALARM (OPTIONAL)

8.3 ENERGY MANAGEMENT SYSTEM (EMS) - (OPTIONAL)

8.4 HIGH DEW POINT ALARM (INCLUDED WITH EMS)

8.5 COMPRESSOR INTERLOCK

9.0 INSTALLATION AND INITIAL START-UP

9.1 APPLICATION AND CHECK ANALYSIS

9.2 LOCATING AND MOUNTING

9.3 PIPING

9.4 FILTRATION

Importance of pre-filter and post-filter for dryer operation and warranty.

9.6 ELECTRICAL CONNECTION

Instructions for making proper electrical connections to the dryer.

9.7 DESICCANT LEVEL VERIFICATION

9.8 START-UP

Step-by-step guide for safely starting up the dryer.

9.9 SHUT-DOWN SEQUENCE

Procedure for safely shutting down the dryer.

10.0 TECHNICIAN MODE

10.1 ENTERING TECHNICIAN MODE

Instructions for qualified personnel to enter Technician Mode.

10.2 DEW POINT ADJUSTER (-40 °F DRYERS ONLY)

Allows selection of -40°F, -4°F, +38°F pressure dew points.

10.3 ENERGY MANAGEMENT SYSTEM (EMS) - (OPTIONAL)

Describes the optional EMS feature for minimizing purge air loss.

10.3.1 DESCRIPTION AND ACTIVATION

Explains the purpose and activation of the EMS feature.

10.3.2 SETPOINT ADJUSTMENT

How to adjust the EMS setpoint for desired pressure dew point.

10.4 RESTART MODE

How to configure Manual or Auto Restart modes for the dryer.

10.5 PURGE FLOW ADJUSTER

Allows reduction of purge cycle duration to match inlet conditions.

10.6 COMPRESSOR INTERLOCK

Links dryer purge to compressor loading status for energy savings.

10.7 HIGH DEW POINT ALARM (INCLUDED WITH EMS OPTION)

Purpose of the High Dew Point Alarm and how to activate it.

10.7.1 DESCRIPTION AND ACTIVATION

10.7.2 SETPOINT ADJUSTMENT

11.0 MAINTENANCE AND SYSTEM CHECK

11.1 SCHEDULED MAINTENANCE

11.2 PRE-FILTERS AND POST-FILTERS

11.8 DESICCANT CHANGEOUT PROCEDURE

12.0 TROUBLESHOOTING

15.0 WIRING DIAGRAM

16.0 FLOW DIAGRAM

17.0 REPLACEMENT PARTS

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