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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 

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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