UA Local 467 Section 22.2 Flashcardizz

Front

Common DDC system applications include ___ control of rooftop packaged units.

Back

unitary

Front

___ control is used to prevent damage caused by freezing if the mixed air temperature becomes too low.

Back

Low-limit

Front

The difference in volume is ___ related to the internal pressure in the building.

Back

directly

Front

The universal input-output controller uses a(n) ___ to maintain a hot water temperature setpoint.

Back

hot water supply temperature sensor

Front

The air handling unit controller provides a(n) ___ output signal to two variable-speed drives.

Back

4 mA to 20 mA

Front

When using a rooftop packaged unit direct digital control system, a___is used in place of a standard thermostat control.

Back

Unitary Controller