Information on plant models. 

Filename			Description
---------			------------
2br_tt_flat_ave.pln (.ctl)	Base case systems file model featuring a condensing gas boiler, feeding a
				domestic hot water tank and radiator network.
2br_tt_flat_retro_ASHP.pln(.elr)	Retrofit of an air source heat pump
2br_tt_flat_retro_mCHP.pln(.elr)	Retrofit of a micro CHP
2br_tt_flat_zeroE.pln(.elr)	Adapted for low demands in zeroE variant



