EPA 608 Type III

Front

What is the purpose of a purge unit in a low pressure chiller?

Back

A purge unit is used to remove non-condensables from the system.

Front

What is the technician's responsibility if EPA regulations change after certification?

Back

It is the technician's responsibility to comply with all future changes.

Front

What is the annual leak rate threshold for comfort cooling systems with more than 50 lb. of refrigerant according to EPA regulations?

Back

15%.

Front

What pressure is a high-pressure cut-out set for on a recovery system used on low-pressure refrigeration systems?

Back

10 psig.

Front

Where should a water box leak be tested after the water has been removed?

Back

At the drain valve.

Front

What are non-condensables in refrigeration systems?

Back

Non-condensables are gases that do not change into a liquid at the operating temperatures and pressures of the system, such as air.

Front

Why is it important to repair leaks in refrigerant systems?

Back

To prevent environmental harm and comply with EPA regulations.

Front

What is the function of a recovery system in refrigeration?

Back

To safely remove refrigerant from a system for recycling or disposal.

Front

What is the significance of the 50 lb. refrigerant threshold in EPA regulations?

Back

Systems with more than 50 lb. of refrigerant are subject to stricter repair and maintenance regulations.

Front

What is the role of an electronic leak detector?

Back

To identify and locate refrigerant leaks in a system.