Ingersoll-Rand HL800 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:

D
Dr. Brad OconnorAug 14, 2025
What to do if Ingersoll-Rand Dryer has elevated dew point?
- J
  John LutzAug 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.
E
ethan89Aug 18, 2025
Why Ingersoll-Rand Dryer fails to shift?
- W
  woodcharlesAug 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.
K
Kurt WhiteAug 21, 2025
What to do if Ingersoll-Rand Dryer has excessive pressure drop?
- D
  Daniel SmithAug 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
Kent SinghAug 25, 2025
What to do if my Ingersoll-Rand Dryer fails to pressurize?
- W
  William WhitneyAug 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
Carmen FoxAug 27, 2025
What to do if Ingersoll-Rand Dryer depressurizes too rapidly?
- J
  Jeffrey StevensAug 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.
S
Sandra FernandezAug 31, 2025
What to do if the Blue Moisture Indicator (BMI) indicates high moisture level in Ingersoll-Rand Dryer?
- A
  Adrienne 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.
D
Dr. Sandra SmithSep 3, 2025
How to fix Ingersoll-Rand Dryer that fails to purge?
- M
  Melinda DanielsSep 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.
N
Nichole MorrisSep 6, 2025
What causes excessive back pressure in regenerating tower of Ingersoll-Rand Dryer?
- A
  Ashley ParkerSep 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).
E
Erin JimenezSep 10, 2025
What causes excessively high pressure at the purge gauge on the right tower of Ingersoll-Rand Dryer?
- M
  Michael ChavezSep 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 HL800 Specifications

General

Brand	Ingersoll-Rand
Model	HL800
Category	Dryer
Language	English

Summary

6.0 SAFETY AND OPERATION PRECAUTIONS

Operation Precautions

Essential safety rules and precautions for operating the dryer.

Safety Warnings

Visual warnings for hazardous voltage and depressurization.

7.0 PRINCIPLES OF OPERATION

7.2 DRYING CYCLE

Details the process of compressed air drying within a tower.

7.3 REGENERATION CYCLE

Explains how the desiccant is regenerated by removing adsorbed moisture.

7.7 TIMING SEQUENCE

7.8 CONTROLS

7.8.3 ALARMS AND THEIR FUNCTIONS

Details the alarms detected by the controller and their meanings.

8.0 ALARMS AND INDICATORS

8.2 FAILURE TO SHIFT ALARM (OPTIONAL)

8.4 HIGH DEW POINT ALARM (INCLUDED WITH EMS)

9.0 INSTALLATION AND INITIAL START-UP

9.4 FILTRATION

Importance of pre-filters and post-filters for dryer performance and longevity.

9.6 ELECTRICAL CONNECTION

Procedures for making safe and correct electrical connections to the dryer.

9.8 START-UP

Step-by-step instructions for starting up the dryer for the first time.

9.9 SHUT-DOWN SEQUENCE

Proper procedure for shutting down the dryer safely.

10.0 TECHNICIAN MODE

10.7 HIGH DEW POINT ALARM (INCLUDED WITH EMS OPTION)

10.7.1 DESCRIPTION AND ACTIVATION

11.0 MAINTENANCE AND SYSTEM CHECK

11.1 SCHEDULED MAINTENANCE

Outlines daily, semi-annual, and annual maintenance tasks.

11.2 PRE-FILTERS AND POST-FILTERS

Guidance on checking and replacing pre-filters and post-filters.

11.8 DESICCANT CHANGEOUT PROCEDURE

Step-by-step guide for replacing the desiccant material.

12.0 TROUBLESHOOTING

15.0 WIRING DIAGRAM

WIRING DIAGRAM HL90-HL5000 TM-580078-C

Electrical wiring diagram for the dryer models.

16.0 FLOW DIAGRAM

FLOW DIAGRAM HL90-HL2700 580022-E

Illustrates air and control signal flow for HL90-HL2700.

FLOW DIAGRAM HL3300-HL5000 580213-C

Illustrates air and control signal flow for HL3300-HL5000.

17.0 REPLACEMENT PARTS

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Preview: Ingersoll-Rand HL Series

Ingersoll-Rand HL Series