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<br /> <br /> <br /> <br />05/03/2024_CLC Version <br />© OTIS ELEVATOR COMPANY, 2024 All Rights Reserved Page 6 of 22 <br /> <br /> <br />MACHINE ROOM EQUIPMENT <br /> <br /> <br />POWER SUPPLY <br />The power supply of 240V_60HZ, alternating current will be retained with the new equipment <br />arranged for this power supply. <br /> <br />NEW CONTROLLER <br />A microprocessor based HydroFit MOD control system shall be provided to perform all the functions of safe <br />elevator motion and elevator door control. This shall include all the hardware required to connect, transfer <br />and interrupt power, and protect the motor against overloading. The system shall also perform group <br />operational control. <br /> <br />NEW SOFT STARTER <br />A new solid-state starter will be provided. It will be of the same power requirement and starting <br />configuration as presently exists. <br /> NEW PUMP MOTOR <br />The existing motor will be replaced with a motor that is of the same power characteristics and <br />starting configuration as presently exists. <br /> POWER UNIT <br /> <br />NEW SUBMERSIBLE <br />The existing power unit will be replaced with a new power unit. The new power unit consists of a <br />positive displacement pump, motor, integral 4-coil control valve, oil tank and muffler. The pump <br />and motor are submerged and are mounted to the tank with rubber isolators to reduce vibration <br />and noise. <br /> <br />NEW VALVE <br />A new integral 4-coil control valve will be installed to replace the existing valve. The valve consists <br />of up, up leveling, down and down leveling controls along with manual lowering and a pressure <br />relief valve. <br /> <br />NEW AUT-O-SAFE® <br />We propose to furnish and install an Emergency Return Unit (ERU) providing auxiliary power to your <br />hydraulic elevator. In the event of a primary power failure or a single-phase condition, the ERU is <br />designed to automatically return the elevator to its lowest landing at normal speed and allow all <br />passengers to exit safely. <br /> <br />Section 4 <br /> <br />Docusign Envelope ID: 52FACC74-DA96-491B-B0B8-04AC3961737D