Ingersoll-Rand D25IN-A User Manual

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Cod. 710.0138.45.00 Rev04 – 02.2019

- EN -

DIRECT EXPANSION COMPRESSED AIR DRYERS

Operators Manual

Valid for 60 Hz dryers G version

D12IN-A

230/1/60

D25IN-A

D42IN-A

D54IN-A

D72IN

-

A

D108IN-A

D144IN-A

D180IN-A

D240IN-A

D300IN-A

D360IN-A

D480IN-A

D600IN-A

230/1/60 460/3/60

D780IN-A

380/3/60 460/3/60

D950IN-A

Table of Contents

Questions and Answers:

S
Shannon JohnsonAug 7, 2025
Why is there low pressure in the line of my Ingersoll-Rand D25IN-A Dehumidifier?
- J
  Jennifer PottsAug 7, 2025
  If you're experiencing low pressure in the line of your Ingersoll-Rand Dehumidifier, several factors could be the cause. First, ice might be forming in the evaporator. You should check the probe and the electronic control board; if the problem continues, consider replacing them. You may need to contact a service center to check the gas charge. Alternatively, ensure the compressed air inlet/outlet is properly connected, the connecting tubing isn't clogged, and no valves are closed. Also, inspect the filter's condition. If air flows continuously through the condensate drainage, the drainage solenoid valve might be jammed; try cleaning or replacing it.
A
Adrian WalkerAug 21, 2025
What to do if low pressure persists in Ingersoll-Rand D25IN-A Dehumidifier D12-480IN-A or D600-950IN-A?
- R
  Richard RiveraAug 21, 2025
  For Ingersoll-Rand Dehumidifier model D12-480IN-A with low line pressure, first verify the condensate drainage times set on the electronic control board (C8 and C9). Then, check the signal from the control board. If the signal is continuous, it may be necessary to replace the control board. For model D600-950IN-A, inspect the no loss condensate drain and replace it if the issue persists.

Ingersoll-Rand D25IN-A Specifications

General

Brand	Ingersoll-Rand
Model	D25IN-A
Category	Dehumidifier
Language	English

Summary

General Information

Functional Description

Describes the function of Ingersoll Rand refrigerated air dryers in removing moisture from compressed air.

Safe Use of the Dryer

Details safety precautions and general guidelines for using the dryer safely.

Installation

Installation Requirements and Procedures

Covers acceptance, site selection, and physical installation of the dryer.

Start Up and Operation

Control Panel Overview

Overview of the electronic control system and its keys.

Display Indications and Alarms

Details specific messages and error codes displayed on the control panel.

Configuration and Startup Procedures

Covers condensate discharge programming, remote alarms, and startup steps.

Maintenance, Troubleshooting, and Decommissioning

Maintenance and Dismantling

Covers routine maintenance tasks and procedures for dismantling the dryer.

Troubleshooting Common Issues

Guidance on identifying and resolving common dryer problems.

Temperature Control Probe Safety

Critical warning about the delicate temperature control probe and contacting service.

Decommissioning Procedures

Procedures for safely decommissioning the dryer.

Manual Attachments

Diagrams, Data, and Parts

Includes refrigerant/electric diagrams, technical data, correction factors, dimensions, and spare parts.

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