To provide an absorption water cooler/heater system and its operation method capable of preventing balls from remaining in cooling tubes to perform desired ball circulation cleaning even in a group of absorption water coolers/heaters performing energy saving operation and parallel operation.
In this absorption water cooler/heater system S comprising the plurality of absorption water coolers/heaters 1 operated in parallel with each other, and a cleaning system 30 including a single cleaning device 2 for cleaning the cooling tubes of the absorption water coolers/heaters by balls through a cooling water system 20, a differential pressure detecting means 34 is mounted for detecting the differential pressure of the cleaning device 2, and the ball-cleaning of the cooling tubes of the absorption water coolers/heaters 1 is performed by the cleaning device 2 in a state that a detection value of the differential pressure detecting means 34 is more than a prescribed value.
MATSUBARA TAMETOSHI
UEDA TOMONORI
ONDA SHINICHI
NOMIYA TAKETOSHI
OSAKA GAS CO LTD
SHOWA RUBBER CO LTD
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