Control method of gas heating and hot water supply equipment

Abstract

The invention discloses a control method of gas heating and hot water supply equipment. The gas heating and hot water supply equipment includes a gas furnace and a water tank; the control method includes: executing a zero cold water heating mode; the zero cold water heating mode includes: The water stored in the external pipeline connected to the gas heating and hot water supply equipment circulates into the water tank and is mixed with the water stored in the water tank before being output to the external pipeline. The water stored in the external water pipe is heated by the water tank to achieve the function of zero cold water, which effectively saves the consumption of gas and improves the user experience of water use.

Description

technical field [0001] The invention belongs to the technical field of heating furnaces, and in particular relates to a control method of gas heating and hot water supply equipment. Background technique [0002] At present, gas heating and hot water equipment uses gas as energy to heat water to achieve heating, and with the advancement of technology, gas heating and hot water equipment can also have the function of supplying domestic hot water to users. For example: Chinese Patent Application No. 201811537311.6 discloses a zero-cold water gas-fired wall-hung boiler system, which on the one hand can meet the heating requirements in the room, and on the other hand, can also achieve zero-cold water supply of hot water. However, in the actual use process, in order to achieve zero cold water, the cold water in the water outlet pipe needs to be transported from the return pipe to the gas furnace through the water pump for heating, and then re-transmitted to the water outlet pipe. ...

AI Technical Summary

Problems solved by technology

In the actual use process, in order to maintain the temperature of the water in the water pipe, the water in the pipe needs to be heated. When the water temperature reaches the preset temperature, the machine does not work. When the water temperature is lower than the preset water temperature, it needs to be reheated. , the water pump restarts, causing the machine to start repeatedly, which will affect the life of the gas furnace, and frequent starts will cause a waste of gas; because the zero-cooled water volume is small, when using combustion heating, the temperature is easy to overheat, and users have problems during use. The temperature of zero-cold water is quite different from the temperature to be used (cold and hot), resulting in an uncomfortable water experience

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