What are the general regulations for power supply of power supply and fire protection equipment?
4 automatic fire alarm system shall have main power supply and DC standby power supply.5 the main power supply of the automatic fire alarm system should use the fire power supply, and the DC standby power supply should use the special battery of the fire alarm controller. When the battery backup DC power supply system with centralized fire set fire alarm controller, power supply circuit should be used alone, and can guarantee the system at the maximum load in the fire alarm controller does not affect the normal work condition.
The two power supply or two return circuit of a fire fighting equipment for a building, should be switched automatically at the last level of the distribution box.
Fire, fire fighting and other disaster prevention system power consumption, when the building is high voltage power, it should be separated from the transformer low-voltage outlet from the power supply system, that is, the formation of a disaster prevention power supply system.
The fire control room, fire pump, fire elevator, smoke facilities, automatic fire alarm, electric automatic fire extinguishing equipment, fire emergency lighting and electric fire doors, fire shutter, valves, a building should be according to the provisions of the current national design code for a load of power supply; the fire two buildings. The electric power supply, should according to two lines of two level load requirements.
