Ingersoll-Rand HL200 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:

R
robbinsedwardAug 14, 2025
What to do if Ingersoll-Rand Dryer has elevated dew point?
- B
  Brian BurnettAug 15, 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.
S
steven22Aug 18, 2025
Why Ingersoll-Rand Dryer fails to shift?
- A
  Alvin ReedAug 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.
A
Alexis FletcherAug 21, 2025
What to do if Ingersoll-Rand Dryer has excessive pressure drop?
- M
  michelle55Aug 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.
J
Jody SchultzAug 25, 2025
What to do if my Ingersoll-Rand Dryer fails to pressurize?
- A
  anthony66Aug 26, 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.
A
Ariana JacksonAug 28, 2025
What to do if Ingersoll-Rand Dryer depressurizes too rapidly?
- J
  Jason ThomasAug 28, 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.
L
Lori Allen DDSAug 31, 2025
What to do if the Blue Moisture Indicator (BMI) indicates high moisture level in Ingersoll-Rand Dryer?
- S
  Shane MartinezAug 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.
M
Maria KellySep 3, 2025
How to fix Ingersoll-Rand Dryer that fails to purge?
- A
  Andrew MillerSep 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.
B
Briana VargasSep 7, 2025
What causes excessive back pressure in regenerating tower of Ingersoll-Rand Dryer?
- M
  macdonalddeannaSep 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).
D
Dale MunozSep 12, 2025
What causes excessively high pressure at the purge gauge on the right tower of Ingersoll-Rand Dryer?
- C
  Carla LongSep 12, 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 HL200 Specifications

General

Brand	Ingersoll-Rand
Model	HL200
Category	Dryer
Language	English

Summary

Safety and Operation Precautions for Desiccant Dryers

Principles of Operation for Desiccant Dryers

Dryer Controls and Microprocessor

Covers the Microprocessor Controller for valve operation, alarms, and diagnostics.

Alarms and Their Functions

Details alarms detected by the controller, such as Fail to Shift and High Dew Point alarms.

Restart Modes and Operating Displays

Explains dryer restart modes (Manual, Auto) and how to access operating/purge hours.

Alarms and Indicators on the Desiccant Dryer

Failure to Shift Alarm (Optional)

Indicates a switching failure in dryer valves based on pressure switch positions.

Energy Management System (EMS) - (Optional)

Minimizes purge air loss during low flow/water loading using a dew point sensor.

High Dew Point Alarm (Included with EMS)

Provides an alarm if equipment fails to supply air at its designed pressure dew point.

Compressor Interlock Feature

Adjusts dryer operation to use purge air only when the compressor is LOADING or ON.

Installation and Initial Start-Up Procedures

Application and Check Analysis

Verifies design and installation requirements for optimal dryer performance.

Filtration Requirements for Dryer Performance

Importance of pre-filters and post-filters for dryer protection and air system cleanliness.

Initial Dryer Start-Up Procedure

Step-by-step guide for initial dryer pressurization, leak testing, and operation.

Shut-Down Sequence Procedure

Procedure for safely shutting down the dryer using the OFF button and the sequence completion.

Technician Mode Operations

Entering Technician Mode

Instructions for qualified personnel to access technician mode for parameter adjustments.

Dew Point Adjuster for -40°F Dryers

Allows setting of pressure dew points (-40, -4, +38°F) to affect drying cycle and energy savings.

Energy Management System (EMS) Description

Description and activation of the EMS feature to minimize purge air loss.

Restart Mode Configuration

Energy Management System Setpoint Adjustment

Purge Flow Adjuster Settings

Compressor Interlock Settings

High Dew Point Alarm (EMS Option)

High Dew Point Alarm Setpoint Adjustment

Maintenance and System Check Procedures

Scheduled Maintenance Tasks

Outlines daily, semi-annual, and annual maintenance tasks for the dryer.

Pre-Filters and Post-Filters Maintenance

Desiccant Changeout Procedure

Troubleshooting Guide for Desiccant Dryers

Wiring Diagram for Dryer Systems

Flow Diagram of Dryer Operation

Replacement Parts List

Engineering Specifications for Desiccant Dryers

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