| 摘要 |
PURPOSE:To carry out stable suction and exhaust during every hot water supplier driving mode operation and to prevent a complete combustion from continuing by preventing waste gas from flowing in a combustion chamber which is stopping to operate from a confluence chamber by means of a partitioning plate. CONSTITUTION:In a case where an exhaust portion is affected by an air flow pressure and a waste gas when driving each combustion chamber singly (that is, when a combustion chamber 1 is in operation and a combustion chamber 2 is stopped to operate), the exhaust gas flows in an exhaust damper 7 and a heat exchanger 5, and passes through the combustion chamber 2 and it taken out of the device through a part of a suction port 11, thus continuing an incomplete combustion. Against these procedures, a partitioning plate 13 prevents the exhaust gas from flowing into a non-operation chamber and the safety on driving of the equipments is secured. As a result, at the time of every hot water supplier driving mode operation, a stable suction and exhaustion with respect to various air flows in any of all directions and all angles, are carried out, and hence continuation of incomplete combustion can be prevented.
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