omi DD54 - User Manual

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Cod. 710.0167.01.00 Rev02 – 10.2019 © Copyright 2019 OMI Srl - All rights reserved 1 - 11

DIRECT EXPANSION COMPRESSED AIR DRYERS

Operators Manual

DD36

DD54

DD72

DD108

DD144

DD180

DD216

DD280

DD340

DD500

DD610

DD750

DD1000

DD1300

Questions and Answers

M
michaelboydAug 23, 2025
Why is the pressure in the line low on my OMI Dehumidifier?
- B
  brian38Aug 23, 2025
  If the pressure in the line of your OMI Dehumidifier is low, check for ice formation in the evaporator and inspect the electronic control board; replace if necessary. It is also recommended to check the gas charge by contacting our Service Centre. Ensure the compressed air inlet/outlet is connected properly, and that the connecting tubing is not clogged. Verify that all valves are open and check the condition of any filters. If air flows continuously through the condensate drainage, clean or replace the drainage solenoid valve. Verify the condensate drainage times set on the electronic control board (C8 and C9). Check the signal from the control board, and if it is continuous, replace the control board.
T
toddcardenasNov 6, 2025
What to do if there is water in my omi DD54 system?
- R
  Robert BridgesNov 6, 2025
  If there is water in the OMI Dehumidifier system, several issues could be the cause. First, ensure that there is power in the line. If phases are connected incorrectly, correct them. Check the cabling and the electronic control board, and replace if necessary. Make sure the dryer is on and not in standby mode (wait 2 minutes after switching on). Verify that the compressed air inlet/outlet is connected properly, and that the air flow rate, temperature, and ambient temperature are within nominal values. Clean the condenser and the condensate drainage system filter mesh. Check the temperature control probe and replace if faulty. Reset the high pressure switch. If the compressor’s internal thermal protection has activated, wait one hour and check again; otherwise, contact your local OMI distri...

Summary

Installation

Installation Procedures

Start Up

Control Panel

Overview of the dryer's electronic control system, keys, display, and indicator LEDs.

Keys Function

Explains the specific functions of each key on the control panel for operation and programming.

Condensate Discharge Parameters Programming

Guide to setting up parameters for condensate discharge timing and duration.

Start Up Procedure

Step-by-step procedure for starting the dryer after installation or prolonged shutdown.

Maintenance, Troubleshooting and Decommissioning

Maintenance

Troubleshooting

Identifies common problems, their causes, and recommended remedies for the dryer.

Troubleshooting (Water;Pressure Issues)

Troubleshooting guide for issues related to water in the system and low pressure in the line.

Safety Information

General Safety Instruction

omi DD54 Specifications

General

Brand	omi
Model	DD54
Category	Dehumidifier
Language	English

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