auxiliary heat
The additional heat which is supplied by a conventional heating system in a house when its solar energy system fails […]
Glossary
Glossary
auxiliary energy subsystem
An energy source (other than the sun), used to supplement or provide backup for the output provided by a solar
Glossary
automatic wet-pipe sprinkler system
A sprinkler system in which all piping and sprinkler heads, at all times, are filled with water under pressure; the
Glossary
automatic water supply
A water supply system whose operation is not dependent on any manual setting of any items of equipment, such as
Glossary
automatic transfer switch
1. A combination of an electrically operated, double-throw transfer switch and a control panel. Under normal circumstances, the connected load
Glossary
automatic sprinkler system
1.A fire-protection sprinkler system connected to a suitable water supply; designed to provide an immediate and continuous flow of water
Glossary
automatic sprinkler
A sprinkler head having a nozzle which is normally closed, but opens when exposed to a predetermined quantity of heat