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EPA > Type III > Flashcards

Type III Flashcards

1
Q

What can you do with a Type III Certification?

A

Type III is for technicians that can work on low pressure appliances.

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2
Q

What is considered a Low Pressure appliance?

A

A low pressure appliance uses refrigerant with a liquid phase saturation pressure below 45psia at 104 F. Appliances include R-11, R-123, R-113, R-245, R245fa

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3
Q

Explain Open Drive Compressors.

A

They are typically reciprocating (piston) compressors . Sometimes used in large refrigeration and industrial applications. Compressor seals are not 100% reliable nor are they ever 100% leak free.

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4
Q

What to do when a open drive compressor has a leak ?

A

Check the compressor shaft seal first.

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5
Q

Where does moisture enter on Low pressure chillers ( Open Drive Compressors)?

A

Moisture most frequently enters the refrigerant system through leaks from area with gaskets or fittings.

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EPA (4 decks)

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