JPH0313060U - - Google Patents

Description

[Brief explanation of drawings]

Fig. 1 is a developed sectional view showing an embodiment of the control device for an automatic water heater according to this invention, Figs. 2 and 3 are sectional views of the switching valve, and Fig. 4 shows the relationship between the electronic control device and the bath remote control. The schematic diagram shown in FIG. 5 is a flowchart when pouring hot water, and FIG. 6 is a conventional flowchart. A...Bathtub, 1...Hot water pipe, V...Switching valve, C...Electronic control device.

Claims (1)

[Scope of utility model registration request] In automatic water heaters that are capable of supplying general hot water to kitchens, etc., as well as hot water supply and hot water to bathtubs, this system is installed in the hot water supply pipe to the bathtub and changes the route when supplying hot water to the bathtub and when pouring hot water to increase or decrease the amount of hot water passing through. A switching valve for supplying or pouring hot water at a preset temperature, a switching operation of the switching valve in response to an instruction to start hot water supply or pouring, and an operation of a combustion start sequence of each functional part of the water heater leading to hot water supply or pouring. A control device for an automatic water heater comprising a control means for causing combustion to proceed simultaneously in parallel so that the start of combustion precedes the completion of switching.