Jockey Pump Controller

By Darma Sentosa (22/09/2011)

Jockey Pump Controller is used as a tool for controlling the working of the pump to regulate water pressure in the hydrant. Jockey pump controller as a controller used to regulate pressure in the pipe so that when the pressure is reduced, the controller will generate a signal to fire pump works. Application of jockey pump is part of the fire pump control system, where its presence is required by NFPA 20 in clause A-2-19 that the pressure maintenance (jockey or make-up) pump to be used to maintain a relatively uniform high pressure on fire protection systems. The size of the jockey pump should load with the allowable leakage rate is within 10 minutes or 1 gpm (3.8 L / min), whichever is greater. The size of the jockey pump should be small than the fire pump. Schematic diagram of the jockey pump controller as follows:

Main Fire Control Panel

By Darma Sentosa (02/9/2011)

Main Fire Control Panel (MFCP) or often referred to as a Fire Alarm Control Panel (FACP) is an electrical panel which is a control component of a fire alarm system. The panel receives information signals from sensors designed to detect any changes associated with fire, monitor the operational integrity and provides automatic control equipment, and transmits the information necessary for fire fighting facilities according to a predetermined sequence. The panel also provides electrical energy for operation of the associated sensor, control, transmitting or relay. Some types of alarm control panel is: Coded Panels, Conventional Panels, Addressable Panels, and Multiplex Systems. Coded Type Panels is the earliest type of fire alarm control panel, which consists of sound codes for each zone. Conventional Panels type is the type that has been using an electronic circuit connected to the sensor but with a limited range. Panels Addessable type is the type who have used the microcontroller to detect a fire protection equipment based on the number of loops or a Signaling Line Circuit (SLC). Type Multiplex System is a modern transition between conventional and addressable systems, this type serves a large building with complex systems including HVAC, security, electronic door locks, etc. The block diagram of the Main Fire Alarm Control as follows: