(a) A pre-engineered fixed gas fire extinguishing system must:

1. (1) Be approved by the Commandant;
2. (2) Be capable of manual actuation from outside the space in addition to automatic actuation by a heat detector;
3. (3) Automatically shut down all power ventilation systems and all engines that draw intake air from within the protected space; and
4. (4) Be installed in accordance with the manufacturer's instructions.

(b) A vessel on which a pre-engineered fixed gas fire extinguishing system is installed must have the following equipment at the operating station:

1. (1) A light to indicate discharge;
2. (2) An audible alarm that sounds upon discharge; and
3. (3) A means to reset devices used to automatically shut down ventilation systems and engines as required by paragraph (a)(3) of this section.