CF-03-113- Supervisory Signal Limitation Two separate and distinct signals shall be indicated: the movement of the valve from its normal position (off-normal), and the other indicating restoration of the valve to its normal position The off-normal signal shall be...
CF-03-112- Supervisory Signal Limitation The number of supervisory signal–initiating devices permitted to be connected to a single initiating device circuit (IDC) shall not exceed...
CF-03-111- Excerpt from NFPA 13-2013 8.16.1.1.2.4 Where control valves are installed overhead, they shall be positioned so that the indicating feature is visible from the floor...
CF-03-110- Excerpt from NFPA 13-2013 8.16.1.1.2* Supervision. 8.16.1.1.2.1 Valves on connections to water supplies, sectional control and isolation valves, and other valves in supply pipes to sprinklers and other fixed water-based fire suppression systems shall be...
CF-03-109- Pressure Switch As pressure changes, a diaphragm actuates 1 or 2 snap action switches The pressure switch actuation is determined by adjustment settings Pressure switch can be used for Supervisory (i.e. low/high air) or Alarm (i.e....
