| 摘要 |
PROBLEM TO BE SOLVED: To prevent combustion defective on the heating side when supply of hot water and heating are simultaneously executed by combustion. SOLUTION: Combustion control is differentiated based on combination of combustion actions between a case of sole combustion and a case of combination with combustion for supply of hot water. By setting combustion performance at the time of simultaneous combustion to be similar to that in sole combustion, generation of CO due to excess air, generation of abnormal combustion sound, and generation of burner going off are prevented, and combustion defective to the heating side due to combustion for supply of hot water can be minimized. COPYRIGHT: (C)2004,JPO&NCIPI
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