8 Service Practice and Case Exercises Free Online FlashCards

Which Section 608 certification covers small-appliance service?

Type I certification covers servicing small appliances under EPA Section 608.

What qualifies as a small appliance under the material's definition?

A small appliance is factory-made, charged, and hermetically sealed, with no more than $5$ pounds of refrigerant.

What should a technician identify before servicing an appliance?

Read the nameplate and service information to identify the refrigerant, charge, electrical requirements, and approved recovery equipment.

What must be done before electrical inspection or repair?

Disconnect power and verify the circuit is de-energized before electrical inspection or repair.

What precautions apply when servicing an appliance with flammable refrigerant?

Use equipment and procedures specifically approved for that refrigerant, and keep ignition sources away.

What should be checked before suspecting a sealed-system problem?

Check symptoms, controls, airflow, seals, condenser cleanliness, fans, and electrical connections before suspecting a sealed-system fault.

May a technician intentionally vent refrigerant during service?

EPA prohibits intentional venting during service; recover and contain refrigerant instead.

When must refrigerant be recovered from a small appliance?

Recover refrigerant with certified recovery and/or recycling equipment before opening a small appliance for service or disposing of it.

What recovery percentage applies to equipment made before November 15, 1993?

With recovery equipment manufactured before November 15, 1993, recover $80\%$ of the refrigerant.

What percentage applies with later equipment when the compressor functions?

With equipment manufactured on or after November 15, 1993, recover $90\%$ if the appliance compressor is functioning.

What percentage applies with later equipment when the compressor does not function?

With equipment manufactured on or after November 15, 1993, recover $80\%$ if the appliance compressor is not functioning.

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

As an alternative to the percentage routes, evacuate the appliance to $4$ inches of mercury vacuum.