REVERSABLE HEAT PUMP WITH HEAT RECOVERY WATER TO WATER / AIR TO WATER

摘要

A heat pump with heat recovery water to water / air to water comprising a compressor, refrigerant-water heat exchanger, refrigerant-air heat exchanger, domestic hot water heat exchanger, accumulator, 4-way valves and solenoid valves, as the compressor (1) is frequency controlled and is connected by means of one-way solenoid valve (2), four-way valve with reversing function (3) and three-way valve with reversing function (4) on one side with a freon-water plate inner circuit (5), on the other side by means of a two-way solenoid valve (6) with a freon-water plate heat exchanger (8) or a freon-air heat exchanger- domestic hot water (7), and on the third side by a one-way solenoid valve(2) and the four-way valve with reversing function (3) with freon-water plate heat exchanger external circuit (8) or freon-air plate heat exchanger external circuit (8.1), wherein the freon-water plate heat exchanger inner circuit (5) by means of a one-way electronic expansion valve (9), a fusion tube heat exchanger (10) and a two-way electronic expansion valve(11) is connected to the freon-water plate heat exchanger external circuit (8) or the freon-air heat exchanger external circuit (8.1), the plate heat exchanger for domestic hot water (7) by means of a three-way electronic expansion valve (12), the freon tube heat exchanger (10) and the two-way electronic expansion valve(11) is connected to the freon-water heat exchanger external circuit (8), or the freon-air heat exchanger external circuit (8.1) as the external fluorescent plate (8) or the freon-air heat exchanger external circle (8.1) via the four-way reversing valve (3), a freon accumulator (13), and the heat exchanger tube in a pipe (10) or a three-way solenoid valve (14), the freon accumulator (13) and the freon tube heat exchanger (10) are connected to the compressor (1). 1 claim, 2 figures