| 摘要 |
In this package-type automatic fire extinguishing device, a fire detection unit 20 and a reception unit 10 are connected using a multiplex transmission means, a selection valve 30 is formed of a valve body 32, a drive unit 33 that operates the valve body 32, and a drive unit box 60 that encloses the drive unit, and a relay substrate 31, which relays a signal that is transmitted and received between the fire detection unit 20 and the reception unit 10, is provided in the drive unit box 60, thereby ensuring cheap construction costs, good workability, and a low possibility of miswiring. |
