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Machine Room (MR) Lift

Machine Room Elevator

Traction elevator machine rooms are located directly over the hoist way of the elevator served by that equipment. On bottom drive type, machine rooms are usually located next to the elevator bank or bottom of the shaftway. In older installations where space is at a premium; particularly in high-rise buildings, the machine room is often split over two levels in order to house the traction equipment, motor-generator (MG) sets and the relay controllers. Typically, an upgrade to a solid state controller and variable frequency drive (in place of the M-G set) can free up this space for other uses.

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