A purge unit is used on _____ pressure chillers to remove noncondensables  from the system:

A high pressure cut-out is set to ______ on a recovery unit that is used on low pressure system:

When using recovery equipment manufactured or imported before Nov 15, 1993, the required level of evacuation for low pressure equipment is ______:

A hydrostatic test kit is used when leak testing a water tube on a _____ pressure chiller:

Which of the following chillers have potentially lower overall energy costs:

All recovery cylinders must be DOT approved and have a current hydrostatic test date stamped on them if they contain a refrigerant with a pressure above ______ at room temperature.

Like any air conditioner, the chiller must reject the heat to the exterior ambient air

A low-pressure appliance is an appliance that uses a refrigerant with a liquid phase saturation pressure below ______ at 104°F

Water to water temperature use R-123 refrigerant

The absorption chiller uses to provide cooling