Ingersoll-Rand D950IN-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:

D
Daniel JosephAug 7, 2025
Why is there low pressure in the line of my Ingersoll-Rand Dehumidifier?
- H
  Hailey ChandlerAug 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.
R
rubenclineAug 23, 2025
What to do if low pressure persists in Ingersoll-Rand D950IN-A Dehumidifier D12-480IN-A or D600-950IN-A?
- J
  Jose WilliamsAug 23, 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 D950IN-A Specifications

General

Brand	Ingersoll-Rand
Model	D950IN-A
Category	Dehumidifier
Language	English

Summary

1. General Information

1.1 Functional Description

Explains how Ingersoll Rand refrigerated air dryers remove moisture from compressed air.

1.2 Use of the Machine in Safe Conditions

Provides safety precautions for operating the dryer, emphasizing qualified personnel and electrical safety.

2. Installation

2.3 Installation

Steps for installing the dryer, including air system checks, electrical connections, and piping.

3. Start Up

3.3 Start Up

4. Maintenance, Troubleshooting and Dismantling

4.1 Maintenance

4.2 Troubleshooting

A) Refrigerant Circuit

B) Wiring Diagram

Power Circuit

Control Circuit Diagram

C) Data Sheet

D) Correction Factors

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