Ingersoll Rand Desiccant Dryer EH15004H000A

Periodically clean all no-loss drain valves. Cleaning can be accomplished by removing the no-loss drain, removing the mufflers and removing the valve bodies from the manifold.

Check and replace o-rings as necessary. If the no-loss drain valves fail to operate, check the following:

- Control Circuit - Verify that the no-loss drain is receiving electric current.

- Burned out no-loss drain coil.

- High/low voltage - Voltage should be +/- 10% of nameplate readings.

- No-loss drain valve leaking - Disassemble, clean and repack or replace.;

Depressurize the system before disassembling filters

Ensure all necessary tools are available

Loosen element using a 2" socket with an extension

Remove old element from filter housing

Install new element by carefully inserting element in top plate

Hand tighten element in place until element o-ring contacts top plate

Tighten element one half turn using a 2" socket with an extension

Check desiccant and replace if necessary

Replace worn or damaged seats and parts as required

Is the inlet pressure, temperature, and flow within specifications?

Check tower pressure gauge readings

Are the tower pressure gauge readings within operating tolerance?

Is the dryer cycling properly according to tower pressure gauges?

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.

Remove and clean retainer screens at the inlet and outlet piping connections.