A device used to condition and circulate air as part of a heating ventilating and air conditioning hvac system.
Central heating system diagram.
So if it is lashings of hot water at a forceful pressure you are looking for then this is the system for you.
A water central heating system consists of basically the boiler the radiators and the interconnecting piping.
Single pipe feed and return micro bore.
Activate the heating pump and re vent the system.
There are almost infinite variations but there are four main types.
The diagrams below show three central heating types.
An air handler is usually a large metal box containing a blower heating or cooling elements filter racks or chambers sound attenuators and dampers.
The boiler heats the water and normally a pump circulates the water through the pipework and radiators and back to the boiler.
Air handling unit ahu.
You should read this page in conjunction with the page on boilers and the page on heating controls.
System boilers are slowly becoming more common.
Another hurriedly thrown together page i m afraid people often ask me for central heating diagrams showing how the pipework circuits are arranged in a central heating system.
The vented boiler regular boiler and combination boiler systems probably account for over 95 of water based central heating installations.
Commission the central heating system by closing all of the vents on the radiators filling the system with water and allowing each radiator to vent through.