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Return to Phase 4

Week 3

Desiccant Dryer Operation & Troubleshooting

PHASE

WEEK

DAY

Complete Today's Review:

Fill out the daily review form below. Please reference any links to documents or videos that should be reviewed.

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Review Tech Direct article 14225 — EMS: Purge Temperature, Extended Heating, and Cool Sweep Features. Confirm completion (Y/N).

Tech Direct No. 14225 (3 mins): EMS: Purge Temperature, Extended Heating, and Cool Sweep Features

Review the Desiccant Dryer Startup pages in the Technician Process Manual. Confirm completion (Y/N).

With your mentor, discuss EMS: Purge Temps., Extended Heating & Cool Sweep Features.
For the questions below, refer to your learning resources and your mentor as needed.

What is the purpose of EMS, Cool Sweep, Purge Temperature, and Extended Heating?

For EMS, Cool Sweep, Purge Temperature, and Extended Heating, what are the advantages and disadvantages of each?

Review Tech Direct article 11941 — High Heater Temperature Faults on Desiccant Dryers. Confirm completion (Y/N).

Tech Direct No. 11941 (3 mins): High Heater Temperature Faults on Desiccant Dryers

With your mentor, discuss HB & EH Dryers: Heater Ops., cycle & Temp. Faults.
For the questions below, refer to your learning resources and your mentor as needed.

What symptoms indicate a heater temperature fault on HB and EH dryers during the heating cycle?-

With your mentor, discuss Heatless Backup Mode.
For the questions below, refer to your learning resources and your mentor as needed.

Review Tech Direct article 7262 — Heatless Backup Mode. Confirm completion (Y/N).

Tech Direct No. 7262 (3 mins): Heatless Backup Mode

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