To store and display the contents of abnormality occurred after turning on power supply, its date, and time.
This water supply device is provided with a pump unit 11 constituted by connecting a pump 18, a flow rate detector 19, a check valve 20, a pressure detector 21, and an accumulator 22 in order, a control part 25 detecting abnormal operation of the pump unit 11, a recording part 28 recording the contents of abnormality based on the detection of abnormal operation of the pump unit 11 by the control part 25, a calendar function part 28a and a clock function part 28b provided in the recording part 28 and recording the date and time of the occurrence of abnormality, and a display part 27 displaying the contents of abnormality recorded by the recording part 28 and the date and time recorded by the calendar function part 28a and the clock function part 28b.
TAMAGAWA MITSURU
KATO KOJI
IYODA MASANORI
KAWAMOTO DENSAN KK
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