omi ED1200 HP45 - User Manual

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DIRECT EXPANSION COMPRESSED AIR DRYERS

Operators Manual

ED HP45

88 – 108 – 180

225 – 270 – 360

480 – 660 – 990 – 1200

Questions and Answers

C
Connie SpencerAug 7, 2025
What to do if there is water in the omi ED1200 HP45 Dehumidifier system?
- V
  vegawilliamAug 7, 2025
  If you find water in the system, there could be several reasons. First, ensure that there is power in the line. Second, the dryer may be off; turn it on by pressing the ON/OFF switch for 1 second, and wait 2 minutes after switching it on. The compressed air inlet/outlet may be inverted; check if it is connected properly. Also, the condenser might be dirty, so clean it. Check the cabling and the electronic control board, and replace them if needed. If the condensate drain is not functioning, clean the condensate drainage system filter mesh. Restore the power in the line. Restore the nominal conditions if the flow rate and/or temperature of the air entering the dryer or the ambient temperature are higher than the nominal values.
L
Lauren PageAug 21, 2025
Why is the pressure in the line low in my omi ED1200 HP45?
- M
  Michael ObrienAug 21, 2025
  A low pressure in the line of your OMI Dehumidifier can be caused by several factors. Check if there is ice formation in the evaporator, and if so, check the probe and replace it if necessary. Also, check if the compressed air inlet/outlet is connected properly, as a clog could be the reason. If air flows continuously through the condensate drainage, the drainage solenoid valve may be jammed; clean or replace it. Check if the connecting tubing is clogged and inspect the condition of any filter. Also, verify the condensate drainage times set on the electronic control board (C8 and C9) and check the no loss condensate drain, replacing it if the problem persists.