Heating water heater and control method thereof, and computer-readable storage medium

A method for controlling a heating water heater, wherein the heating water heater comprises:

• a flow distributor, a heating branch, a heat supply branch and a bath flow path, the flow distributor has a heating outlet connected to the heating branch and a heat supply outlet connected to the heat supply branch, and the bath flow path is configured for heat exchange with the heat supply branch;
• the method for controlling the heating water heater comprises:
• controlling the heating outlet to be closed and the heat supply outlet to be opened after receiving a bath water signal;
• obtaining a water temperature of a bath outlet;
• obtaining a duration that the water temperature at the bath outlet is within a preset water temperature range;
• controlling an opening degree of the heat supply outlet to decrease and an opening degree of the heating outlet to increase when the duration is greater than or equal to a first preset duration, and a heat load of the heating water heater is less than a rated load;
• and
• controlling the heat load of the heating water heater to increase, and maintaining the water temperature at the bath outlet within the preset water temperature range.