Ingersoll Rand Desiccant Dryer EH2504H000A

Change control no-loss drain valves

Check and change temperature probes

Cleaning the No-Loss Drain Valves

Remove the valve bodies from the manifold

Check and replace o-rings as necessary

Operational Check of No-Loss Drain Valves

Verify that the no-loss drain is receiving electric current

Check for burned out no-loss drain coil

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

Depressurize dryer before performing any service.

Wear respiratory protection during the draining and filling process.

Refer to Section 10.7 for the proper way to shut down the Heat Reactivated Dryer.

Remove the caps on both fill and drain ports on each desiccant tower.

Insert a small rod into the drain port to assist desiccant flow if necessary.

Desiccant Check and Replacement

Is desiccant replacement necessary?

Clean no-loss drain valves and check valves

List any worn or damaged seats and parts replaced

Depressurize the system before disassembling filters

Check pre-filter elements for contamination

Check pre-filter drains for proper operation

Measure pressure drop across HB post-filters

Inspect HB post-filters for premature plugging