The purpose of a compression chiller economizer is to improve system efficiency by _____.

Cylinder unloading is used on _____ compressors.

When an air-side economizer takes control of a system, the _____.

The purpose of a wet deck in a cooling tower is to _____.

An air-side economizer with enthalpy control will not turn on when _____.

To prevent pressure equalization during the Off cycle in a system with a scroll compressor, the best place to install a check valve would be _____.

Modern compression chiller systems typically use _____ as a secondary refrigerant.

In a(n) _____ cooling tower, a fan is placed at the air exhaust to draw air into the tower through a louver on an opposing side, across the wet deck, and out through a fan.

AHRI recommends that chillers operate at a chilled water temperature of _____.

A cooling tower that distributes water passively out of precision holes uses a _____.