Ingersoll Rand Desiccant Dryer EH18004H000L

Check if pre-filter elements need changing

Inspect pre-filter drains for any blockages

Is there any condensed liquid in the sump of the filter housing?

Measure the pressure drop across the HB post-filters

Is the pressure drop at an undesirable level?

Inspect HB post-filters for desiccant dust particulate contamination

Desiccant Check and Replacement

Is desiccant replacement necessary?

Clean no-loss drain valves and check valves

Are inlet parameters within specifications?

Check tower pressure gauge readings

Is the tower pressure gauge cycling properly?

Purging Tower Pressure Verification

Cleaning the No-Loss Drain Valves

Remove the valve bodies from the manifold

Check and replace o-rings as necessary

Troubleshooting No-Loss Drain Valves

Verify that the no-loss drain is receiving electric current

Check for burned out no-loss drain coil

Measure voltage to ensure it is within +/- 10% of nameplate readings

Enter the inlet pressure reading

Enter the inlet temperature reading

Enter the pre-filter differential pressure reading

Enter the post-filter differential pressure reading

Are the drains functioning properly?

Do the filter cartridges need replacement based on differential pressure indicator?