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7.2.2. Necessary limit for 250 FPM : LEH Top extreme limit LNH Top normal limit SLH Speed limiting device LRH Emergency decelleration Car Nom LEH LNH SLH LRH Function Top extreme limit Top normal limit Emergency stop device Normal up slowdown limit Distance in inches (feet) 3 inches above the floor 1 inch above the floor 14 inches under the floor 24 inches (2’) under the floor Normal down slowdown limit Emergency stop device Normal down limit Down extreme limit 24 inches (2’) above the floor 14 inches above the floor 1 inch under the floor 3 inches under the floor ↕ LRB SLB LNB LEB The top extreme limit “LEH” must be activated when the car is 3 to 4 inches above the upper floor of the building. This switch must be mechanical type only. The top normal limit “LNH” must be activated when the car is 1 to 2 inches above the upper floor of the building. This switch must be mechanical type or magnetic as provided by the system. The emergency stop device limit “SLH” must be activated 14 inches before the car is at leve at the upper floor of the building. This switch must be mechanical type or magnetic as provided by the system. The normal up slowdown limit “LRH” must be activated 24 inches (2 feet) before the car is at level at the upper floor of the building. This switch must be mechanical type or magnetic as provided by the system. LOWER LIMITS MUST BE INSTALLED IN ORDER TO REVERSE SAME 7-6
