UA Local 467 Chapter 25 Quizizz

The ____ for a rooftop packaged unit retrofit application includes a zone temperature sensor package with override, a power supply package, the rooftop unit wiring diagram, and a riser diagram for controller addressing.

• pneumatic controller

• building survey

• database

• materials list

Many hot water boiler systems have a ____ which controls the temperature of the water pumped through the building heating coils.

• pressure valve

• three-way valve

• 120 V control circuit

• digital interface

Most new chillers have a built-in ____.

• cooling tower

• water circulation system

• microprocessor control panel

• power supply system

A common alternate retrofit strategy for a chiller control system is to ____.

• use variable frequency drives in place of vane volume control

• reset the fan static setpoint based on zone demand

• install a flame safeguard controller that is compatible with the BAS communication bus

• install a translator panel to allow the BAS to view and command points inside the microprocessor control panel

A boiler control retrofit application normally consists of retrofitting an existing ____ boiler control system to a building automation system.

• electromechanical

• ON/OFF

• digital

• three-phase

A(n) ___ is the process of upgrading building controls and mechanical systems with a building automation system.

• modification

• rebuild

• retrofit

• upgrade

A(n) ___ is an inventory of the energy-consuming equipment in a commercial building.

• building survey

• materials list

• energy survey

• equipment list

A(n) ___ terminal box controller is a controller that modulates the damper inside a VAV terminal box to maintain a specific building space temperature.

A(n) ___ combines heating and cooling operations in one piece of equipment for most commercial buildings.

A(n) ___ air handling unit is an air handling unit that moves a variable volume of air.