Air-conditioning and heating system, especially for homes, shops, offices and the like

(19)

(11)

EP 0 728 993 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	20.01.1999 Bulletin 1999/03

(43)	Date of publication A2:
	28.08.1996 Bulletin 1996/35

(21)	Application number: 96102662.2

(22)	Date of filing: 22.02.1996

(51)	International Patent Classification (IPC)⁶: F24F 11/06, F24F 11/00

(84)	Designated Contracting States:
	AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE
	Designated Extension States:
	SI

(30)

Priority:

27.02.1995 IT PC950007

(71)	Applicant: HERMANN S.r.l.
	29010 Pontenure (PC) (IT)

(72)	Inventor:
	Mazzoni, Paolo 29100 Piacenza (IT)

(74)	Representative: La Ciura, Salvatore
	Via Francesco Sforza 3 20122 Milano 20122 Milano (IT)

(54)	Air-conditioning and heating system, especially for homes, shops, offices and the like

(57) The invention relates to an air-conditioning and heating installation comprising in combination:

a boiler connected to a heating circuit
a heat exchanger for the production of hot tap water fitted to the said heating circuit
an air-conditioning system connected to the said cooling circuit
a by-pass valve which connects the said three circuits;

wherein only water circulates in the pipes connecting the air-conditioning circuit to the heating circuit.