Ingersoll-Rand D780IN-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
Scott DukeAug 7, 2025
Why is there low pressure in the line of my Ingersoll-Rand D780IN-A?
- C
  calebdavisAug 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.
C
Christopher GuzmanAug 22, 2025
What to do if low pressure persists in Ingersoll-Rand D780IN-A Dehumidifier D12-480IN-A or D600-950IN-A?
- J
  Jennifer GreerAug 22, 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 D780IN-A Specifications

General

Brand	Ingersoll-Rand
Model	D780IN-A
Category	Dehumidifier
Language	English

Summary

GENERAL INFORMATION

Safe Use of the Dryer

Outlines essential safety precautions for operating the dryer and preventing hazards.

INSTALLATION

Installation Site Requirements

Installation Procedure

Step-by-step guide for connecting the dryer to compressed air lines and electrical power.

START UP

Control Panel Overview

START UP AND ALARMS

Start Up Sequence

MAINTENANCE AND TROUBLESHOOTING

Maintenance Schedule

Recommended maintenance tasks based on operating hours or time intervals.

Troubleshooting Guide

Identifies common problems, their possible causes, and recommended solutions.

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