Describe the use of electricity as an operating source for HVACs.
What will be an ideal response?
?Electricity is a major energy source for operating HVAC systems. It powers the blowers, pumps, and controls and supplies heat energy through various types of resistance heating units.Electric powerusually has the lowest installation cost and is easy to install anywhere in a building. Itdoes not howevercompetewellwith other fuels on a cost basis.Electricityrequires no on-site storage, but large installations require space for transformers and switchgear. Power is usually provided by a utility company that guarantees a steady supply, although some on-site power generation is used on large installations.
You might also like to view...
How does NEC article 690.2 define an alternating current (AC) module?
What will be an ideal response?
A vertical distance above a datum point is described as a(n) _____.
a. contour b. rise c. differential d. elevation
At the start of the 20th century the electrification of manufacturing and the invention of the electric motor moved manufacturing to the next level
Indicate whether the statement is true or false
What does the thermal rating of a gearbox refer to?
What will be an ideal response?