Multifunctional heat pump air-conditioning system

The invention discloses a multifunctional heat pump air-conditioning system which comprises a compressor, a heat recovery device, a condenser and a throttling valve, wherein an evaporator water side outlet is communicated with a circulating pump inlet by a valve; a circulating pump outlet is communicated with an indoor tail end pipe network; an indoor tail end pipe network outlet is communicated with an evaporator water side inlet by a valve; a heat recovery device water side outlet is communicated with a hot-water circulating pump inlet pipe by a valve; a hot-water circulating pump outlet is communicated with a hot-water tank inlet, and a hot-water tank outlet pipe is communicated with a heat recovery device hot-water side inlet by a valve; a condenser water side outlet is communicated with a solution circulating pump inlet by a valve; a solution circulating pump outlet is communicated with an energy tower inlet; an energy tower outlet is communicated with a condenser water side inlet by a valve; a condenser water side outlet is communicated with the hot-water circulating pump inlet pipe by a valve; and the condenser water side inlet is communicated with the hot-water tank outlet pipe by a valve. The invention has the advantages of energy saving and environmental protection.