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Cod. 710.0167.01.00 Rev02 

– 10.2019 

© Copyright 2019 OMI Srl - All rights reserved

 

– 12

 

- 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 

 

Punto ingresso aria. 

 o 

 o 

 o 

 

Punto uscita aria. 

 

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. 

 

 

 

 

* 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 DD36

Page 1: ...67 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 DD10...

Page 2: ......

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

Page 4: ...Cod 710 0167 01 00 Rev02 10 2019 Copyright 2019 OMI Srl All rights reserved...

Page 5: ...r 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 po...

Page 6: ...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 air...

Page 7: ...mpt 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 where...

Page 8: ...ective device to protect the equipment at high temperature from the risk of exceeding the maximum allowable temperature 3 START UP Ensure that the dryer is by passed or there is no load on the cooler...

Page 9: ...LING LEDS DD1300 DISPLAY DESCRIPTION the unit is in ENERGY SAVING mode the unit is ON with low load the unit is ON with normal load the unit is ON with normal high load the unit is ON with high load L...

Page 10: ...disconnect the electrical power before performing any operation on the machine 3 1 2 CONDENSATE DISCHARGE PARAMETERS PROGRAMMING Push the SET key for 10 seconds to enter the parameters configuration...

Page 11: ...d alarms Alarm output ON Refrig Compressor output OFF Fan output ON Drain cycle standard Call your local OMI distributor Note PF1 has priority on all other messages 3 1 4 REMOTE SIGNALING ALARM OPTION...

Page 12: ...N OFF switch to stop the dryer Otherwise wait 10 minutes before switching the dryer on again in order to allow freon pressure to rebalance 4 MAINTENANCE TROUBLESHOOTING AND DECOMMISSIONING 4 1 MAINTEN...

Page 13: ...the condensate drainage system filter mesh Replace the coil of the drainage solenoid valve if burned Clean or replace the drainage solenoid valve if clogged jammed Check the C8 and C9 parameters of th...

Page 14: ...ouble persists replace it Contact our Service Centre to check the gas charge Clog Check if the compressed air inlet outlet is connected properly Check if the connecting tubing is clogged in case proce...

Page 15: ...ctricity 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 rel...

Page 16: ...nts 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 0012 01 00 Essent...

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