1 Small Appliance Refrigeration Service Fundamentals Free Online FlashCards

What qualifies as a small appliance under Section 608?

It must be factory-manufactured, factory-charged, hermetically sealed, and contain no more than $5$ pounds of refrigerant.

When does service work generally require Section 608 certification?

The appropriate Section 608 certification is generally required for work that may compromise a refrigerant circuit, such as connecting service hoses, adding refrigerant, or changing circuit components.

What information belongs on a useful small-appliance service ticket?

A useful ticket records the appliance and location, date, symptom, identified refrigerant, diagnosis, work performed, recovery details if applicable, and test results or remaining issues.

What does Section 608 Type I certification cover?

Type I certification covers servicing small appliances.

What is the required approach to refrigerant during service?

Do not intentionally vent refrigerant during service; use suitable recovery equipment according to its manufacturer’s instructions.

What recovery percentages generally meet small-appliance requirements?

Generally, recover $90\%$ if the compressor works and post-November 15, 1993 recovery equipment is used; recover $80\%$ if the compressor does not work or the equipment predates that date.

How should a technician identify an appliance’s refrigerant?

Identify the appliance and refrigerant from its nameplate and service information; do not infer refrigerant type from age or appearance.

How long must a technician retain a copy of their Section 608 certification?

Keep a copy at the place of business and retain it until three years after stopping work as a technician.

What must a final disposer document when accepting an uncharged appliance?

If the final disposer accepts an appliance without a refrigerant charge, it must keep a signed statement identifying who recovered the refrigerant and the recovery date, unless an applicable contract arrangement applies.

Why doesn't a residential split system qualify as a small appliance?

A residential split system is not factory-sealed as a complete appliance, so a charge of $5$ pounds or less does not make it a small appliance.

Under what supervision may an apprentice perform covered service work?

Apprentices may perform covered work only under the close and continuous supervision of a properly certified technician.

What vacuum level is an allowed alternative to the small-appliance recovery percentages?

Evacuating the appliance to $4$ inches of mercury vacuum is an allowed alternative.