Motors and Controllers Sample Clauses
Motors and Controllers. Demonstrate the operation of each motor controller. Demonstrate the low-voltage release (LVR) for the following motor controllers: • Fire/Bilge Pump • Steering System
Motors and Controllers. A. Provide under Division 11 all motors for all equipment specified herein and all controllers other than those specifically indicated as being furnished under other Sections; all equipment and wiring shall conform to applicable Sections of Division 16. May 2017 C01025C17 Georgetown Wet Weather Treatment Station 11000 - 8 GENERAL REQUIREMENTS FOR EQUIPMENT
B. Power wiring for all motors and associated controllers other than wiring for automatic controls will be furnished under Division 16. Unless otherwise noted, power supply will be 480 volts, 3-phase, 60 hertz for motors. Control voltages: 120 volts or lower, single phase, 60 hertz, or direct current, 30 volts or lower. Disconnect switches for roof exhaust fans or other equipment installed remote from its controller: furnished as an integral part of the equipment.
C. The horsepower ratings of electrical motors indicated in the Drawings and Specifications are based on engineering design calculations and the selection of specific manufacturer's catalog items of mechanical equipment. If the actual equipment to be furnished requires a different motor horsepower, any resulting changes in motor branch circuits and associated circuiting shall be included in the original Contract bid.
D. Alignment of all motors to equipment: in accordance with the requirements of Section 11040.
E. All equipment: designed and built for industrial service and be capable of delivering rated horsepower under the following applicable conditions: 1. 100 degrees F maximum ambient temperature. 2. Voltage variations to +/-10 percent of nameplate rating.
Motors and Controllers. Motors and controllers shall be in accordance with paragraph 33.6 of IEEE 45: “Electrical equipment in hazardous locations should be of a type suitable for such locations (Class, Division, or Zone and Group) and be type tested and certified or listed to a specific American national product standard by an independent testing laboratory acceptable to the regulatory authority (authority having jurisdiction)”.