| 摘要 |
PROBLEM TO BE SOLVED: To reduce manufacturing costs of a housing by easily maintaining and checking machines and apparatuses housed in a housing of a CO2 water heater.SOLUTION: A housing 12 is blocked into a continuation maintenance region 36 forming a wide region, and an initial maintenance region 38 forming a narrow region, respectively faced to a front face 12a and a back face 12b. Panel plate 64 and 72 for shielding the front face 12a and the back face 12b of the continuous maintenance region 36, panel plates 76 and 78 for shielding a front face and a back face of the initial maintenance region 38, and a side face panel plate 28 for shielding a housing side face adjacent to the initial maintenance region 38 are attachably and detachably mounted to the housing 12. Also, a drainage port 130, water supply ports 132, 136, a hot water outlet 134, and a cold water port 138 are collectively arranged on a stationary plate 74 of the housing 12. |
