Automation of Residential Fire Protection Systems

Source Data

This section of the project contains proposals for automation of control of the following engineering and fire protection systems of the facility:

plenum ventilation unit P1;

plenum ventilation units with air conditioning K1, K2 and K3;

exhaust units and B1B14 fans;

refrigeration machine;

ITP;

Unit of smoke removal of DU1;

Fire water supply;

Fire protection valves.

The main technical devices of general ventilation of the building are located on the roof of the building. On the first and second floors, small exhaust fans are installed in some rooms. ITP and fire water pumps are located on the 1st floor.

On the second floor, two smoke removal valves are installed, on the first - ten fire protection valves.

The refrigerator is installed on the roof of the building.

Technical solutions.

This section of the project will provide the following.

power supply of systems from control boards;

control of systems units from control boards in manual mode;

partial control of systems from the control panel in the control room on the first floor of building 1 (remote operation mode);

alarm about operation and emergency situations of engineering systems at the security station ;

interlocked actuation of the corresponding exhaust fans when the plenum ventilation units are switched on;

blocked opening of air dampers at actuation of common direct-flow systems;

double protection of water calorifers (in terms of temperature of return water and in terms of air temperature after calorifer) of plenum installations from freezing during winter and transitional period ;

preliminary heating of water calorifers of plenum plants before the start-up of systems in winter and transition;

alarm about operation and emergency situations of systems on front panels of control boards;

disconnection of general ventilation in case of fire will be carried out at the command of the fire alarm unit by de-energizing the coils of the magnetic starters of the fan motors, at the same time the protection against freezing of the plenum units will function, and the heat exchanger pumps will be able to operate.

power supply of heat supply system units from control boards in ITR;

control of heat supply system units from control boards in ITR in manual mode;

alarm about operation and emergency situations of the system on front panels of control bars in ITR;

The project adopted the following technical solutions:

Automation of control of general ventilation equipment. The project adopted the installation on each floor and roof of the building of one control panel for supply and supply units and installations (DIP1, DIP5 and DIP8 ).

Refrigeration machine control. The refrigerating machine is equipped with its own automation, which ensures its activation by a water flow sensor. Water flow is provided by recirculation pumps. To control the pumps, a control panel is installed in the immediate vicinity of them.

ITR is also controlled by technical means installed in a separate control panel.

Control of DM smoke removal unit consists in its automatic actuation by fire alarm signal. Actuation of the DD fan is provided by the DCDU panel, the fire alarm is transmitted from the relay S2000SP1 from the fire alarm to the DCP1.

Smoke removal valves and fire-retardant valves are equipped with Belimo electric drives. The valves are powered and controlled from the automatic fire alarm cabinets provided in the fire alarm design. For this, relays C2000SP1 and switching devices VHCs are used.

Automation of fire water supply pumps control by the project is adopted on the basis of equipment from the set of devices for automatic control of fire and process systems "Sprut2." The automation and switching cabinet and control device are installed in the vicinity of the pumps. Indication device is installed at the security station. Start-up of pumps is provided by the signal from electrical contact pressure gauges and buttons in the cabinets of fire cranes.

To monitor the status of controlled equipment, the project provides for the implementation of some dispatch elements based on the use of equipment from the Orion system. The C2000BI indication unit is mounted at the security station, which has 60 indicators and audio alarm. The block of indication is connected via RS485 interface to the C2000M remote controller from structure of the fire alarm. The following controllers C2000KDL, relay units C2000SP1 and address expanders C2000AP1 are installed in the control boards at the place of controlled devices. The address expander loops include additional contacts of magnetic starters and power relays, control devices and alarm boards. When a device is switched on (emergency), the corresponding contacts of the starter or relays close (open), the state of the corresponding loop changes, the information is transmitted to the C2000KDL controller, then via the RS485 fire alarm interface to the C2000M console at the security station. The C2000M remote controller includes (switches off) the concrete indicator on S2000BI and a sound signal of drawing attention. Along the same circuit, the duty personnel can turn on and off the installations. For this purpose, C2000PU control panel with six switches and two C20004 devices are installed at the security station to implement the control algorithm: switch - loop C20004 - section in the Orion system - relay C2000SP1 - relay coil or magnetic starter of the controlled device.

Equipment used

Automation of multifunctional engineering systems is designed on the basis of Honeywell EXCEL series controllers (USA). The project provides for automation devices from Honeywell, electrical equipment from ABV (Germany), FINDER (Italy), and shields from ELDON (Belgium). The facility is supposed to use mainly domestic cable products with copper cores in double insulation. Cable wiring in the ventilation chambers should be made on metal trays and in plastic cable channels, cable branches to the sensors and to the engines of the units should be enclosed in a corrugated hose. Cable wiring in the ITP room is laid on metal trays. Cables are lowered to sumps and pumps by perforated channel. Cable wiring behind the set ceilings shall be made in PVC pipes and cable structures. The composition and quantity of cable products and materials shall be determined at the detailed design stage. Control boards and utilities units shall be grounded in accordance with PUE requirements.

The composition and type of equipment can be specified at the next design stage.

Проект ст РД-1.dwg