Each supply and return fan associated with the smoke removal system shall be provided with its own control switch. This switch shall be a three position switch located in the fire control room and capable of providing the following functions:
A. Automatic start or stop of all fans;
B. Manual start or stop of all fans.
Each control switch and its indicating lights shall be clearly labeled as required in Section 15.100.590 of this chapter. Systems shall be installed so that the override control switches can be manually taken out of the automatic position and put in any other position or back into automatic without requiring any portion of the life safety system to be reset. (Prior code §§ 9.28.1256, 15.13.1310)