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Cod. 710.0201.01.00 Rev.01 

– 05.2022 

© Copyright 2022 OMI Srl - All rights reserved

 

1 - 11 

 

 

 

- EN - 

INTRODUCTION 

This manual is an integral part of the dryer you bought, and must remain with the machine even if this will be resold. 

It is highly recommended that the qualified*personnel for installation maintenance and/or control will fully comply with the contents 

of this manual and the prevention and safety rules in force in the country where the system will be used. In this way, not only the usage 
of the machine will be rational, but also the service will result cost effective. 

In case your dryer will present any kind of problem, please contact your local authorizedOMI distributor. 

Please note that, when necessary, the use of original spare parts will ensure efficiency and long duration to your dryer. 

Due to the continuous technological evolution,OMI reserves the right to modify the specifications contained in this manual without 

giving previous notice. 

SYMBOLS AND LABELS USED IN THE MANUAL AND ON THE DRYER 

 o 

 o 

 o 

 

Air inlet point. 

 o 

 o 

 o 

 

Air outlet point. 

 

Read the Operators manual before attempt to start up 
the machine and  to  perform  any  service operation  on 
the dryer. 

 

Pay particular attention to components or systems 
under pressure.

 

 

Pay particular attention to the indications preceded by 
these symbols. 

 

Pay particular attention to hot surfaces.

 

 

Installation, maintenance, and/or control operations 
preceded  by  these  symbols  must  be  performed 
exclusively by qualified personnel

*

.

 

 

Pay particular attention to the risk of electric shock.

 

 

Condensate drain point.

 

 

Rotation direction of the fan.

 

 

Pay particular attention to the risk of moving parts 

 

Explosion risk.

 

 

 

Lifting point. 

 

 

Don’t lift from this point. 

 

Attention: 

Before 

performing 

any 

maintenance 

operation 

on 

this 

machine,  do  not  forget  to  disconnect 
the  electric  supply,  to  completely 
discharge  air  pressure,  and  to  refer  to 
the Operators manual 

 

 

Pay particular attention to the risk of sharp edges

 

 

* Qualified personnel must be trained and certified in accordance with local laws and regulations. 

 

WARRANTY 

 

The  Company  warrants  that  the  equipment  manufactured  by  it  and  delivered  hereunder  will  be  free  of  defects  in  material  and 

workmanship for a period of twelve months from the date of placing the Equipment in operation or eighteen months from the date of 
shipment from the factory, whichever shall first occur. The Purchaser shall be obligated to promptly report any failure to conform to this 
warranty, in writing to the Company in said period, whereupon the Company shall, at its option, correct such nonconformity, by suitable 
repair  to  such  equipment  or,  furnish  a  replacement  part  F.O.B.  point  of  shipment,  provided  the  Purchaser  has  stored,  installed, 
maintained and operated such Equipment in accordance with good industry practices and has complied with specific recommendations 
of the Company. Accessories or equipment furnished by the Company, but manufactured by others, shall carry whatever warranty the 
manufacturers have conveyed to the Company and which can be passed on to the Purchaser. The Company shall not be liable for any 
repairs, replacements, or adjustments to the Equipment or any costs of labor performed by the Purchaser or others without Company's 
prior written approval. 

Summary of Contents for ED108 HP45

Page 1: ...Cod 710 0201 01 00 Rev 01 05 2022 Copyright 2022 OMI Srl All rights reserved 1 11 DIRECT EXPANSION COMPRESSED AIR DRYERS Operators Manual ED HP45 88 108 180 225 270 360 480 660 990 1200...

Page 2: ...Cod 710 0201 01 00 Rev 01 05 2022 Copyright 2022 OMI Srl All rights reserved 1 11...

Page 3: ...te discharge parameters programming 6 3 1 3 Anomaly warning 6 3 1 4 Remote signalling alarm 7 3 2 Before start up 7 3 3 Start up 7 4 MAINTENANCE TROUBLESHOOTING AND DISMANTLING 4 1 Maintenance 8 4 2 T...

Page 4: ...Cod 710 0201 01 00 Rev 01 05 2022 Copyright 2022 OMI Srl All rights reserved 3 11...

Page 5: ...electric shock Condensate drain point Rotation direction of the fan Pay particular attention to the risk of moving parts Explosion risk Lifting point Don t lift from this point Attention Before perfor...

Page 6: ...rs counterflow the initial air air exchanger and it is reheated by the inlet hot air with the consequence of energy recovering and also reduction of the relative humidity contained in the outflowing a...

Page 7: ...tempt to lift heavy objects without proper lifting equipment i e crane hoist slings or fork truck Lifting any unit without proper lifting equipment may cause serious injury Use fork lift channels wher...

Page 8: ...it is necessary to install a protective device to protect the equipment at high temperature from the risk of exceeding the maximum allowable temperature The dryer is equipped with a safety valve freo...

Page 9: ...en pushed while setting the drain set point it decreases the displayed value of one unit per second during the first 10 seconds than of one unit every 0 1 sec When pushed for 10 seconds during normal...

Page 10: ...amiliar with the operation of the dryer WARNING FOR USER IT S FORBIDDEN TO ATTEMPT TO MODIFY THE OTHER CONFIGURATION PARAMETERS OF THE ELECTRONIC CONTROLLER WITHOUT AUTHORIZATION AND COLLABORATION OFO...

Page 11: ...eration and it doesn t require any calibration Nevertheless it s necessary to check the operating performances during the first working hours 3 3 START UP The operations specified below must be perfor...

Page 12: ...eck the condition of any filters installed with the dryer Replace elements as needed YEARLY OR EVERY 2000 HOURS OF OPERATION Check if the flexible tube used for condensate drainage is damaged and repl...

Page 13: ...t Problems with cabling or with the electronic control board Check the cabling and the electronic control board if the trouble persists replace them Activation of compressor s internal thermal protect...

Page 14: ...ondensate drainage Drainage solenoid valve jammed clean or replace it Verify the condensate drainage times set on the electronic control board C8 and C9 Check the signal from the control board if it i...

Page 15: ...electricity supply to the dryer and then affix appropriate warning signs to avoid the machine being reconnected to the electricity mains Please consult the contents and the safety instructions in the...

Page 16: ...reset Welding Joints Coefficient z 0 7 Table 5 6 1 Tickness allowance c 0 mm For copper Not required for surfaces in contact with freon EN 14276 1 c 1 mm For carbon steel Manufacturer design code 717...

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