CONTROL METHOD OF AN APPARATUS FOR FORMING LIMITED AREA

摘要

PURPOSE: The internal pressure of the cause of generation of the closure resistance front room is reduced instantaneously. It constitutes so that the stable closure of the fire door be included. The control method of the smoke removed zone forming apparatus is offered. CONSTITUTION: The control method of the smoke removed zone forming apparatus. When a fire out breaks. It is installed between the indoor space and stair. The fire door is closed and the front room is closed. The air supply damper air-injects outside in this front room force. The internal pressure of the front room relatively highs than stair or the indoor space.