G3 Wk #7

Group 3, Week #7 Topics

Announcements and Other Stuff

The distribution of tape measures and wire strippers began this week.

Follow up on 6⁄16 issues: Nitrogen flushed my recovery equipment. Changed vacuum pump oil. Nitrogen flushed and triple evacuated appliance. I had an HVAC job to complete Monday 6⁄18 so I tested my equipment by completing the work we started Saturday. Appliance is now operational and dehumidifing my home.

It would be helpful if you reviewed the following before or after class

Checking small appliance relays and overloads (see the Additional Resources section and textbook pages 368-369)

Planned In Class Reviews, Lectures, and Exams

ESCO EPA 608 Type II lecture (pages 8-10)

Heat exchangers

Service valve positions

In class EPA Section 608 Core and Type I review

ESCO EPA Section 608 Core and Type I exam

EPA 608 Type II practice exam Saturday 6⁄30

Lab Work

Diagnosed and repaired an actual defective relay in a Type I appliance

Air handler flue and gas piping

Connecting flue piping, connecting gas piping

Checking for cracked heat exchangers

Attaching gauges & checking refrigerant charge using superheat (see textbook pages 236-238)

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