Quotation are invited for Supply of Dual 110kw Fans and Starters Fan Specifications: Dual 110kW fan, 550V, 50Hz. 1400mm diameter with inlet screen and discharge cone/ duct adaptor » Provide clear diagrams/drawings of the fan unit with all details & sections » Provide all necessary details of the fan. including brand, motor brand, fan curves and duty points » Preferred brands: Howden. ECE Cogemacoustic. Zitron or ClemCorp Fan Starter & Specifications: » Fan starter will be a single panel Soft Starter", 550V, 50Hz assembled and mounted inside a mine spec 2mm powder-coated (orange) steel ventilated lockable IP54 enclosure. The starter should be engineered and assembled by Murray Engineering." - Provide an electrical wiring diagram of star delta starter for the information below. The specs of the starter are as follows. o HOkW single panel starters - 550V, 50Hz built to as/nzs 3000 standard. Starter type Soft Starter with panel engineered by Murray. in|t!Dneawftho manual/auto changeover switch to select operation mode, with start and stop push buttons to activate. Installed with a large, illuminated latching Estop push button mounted on the front of the enclosure. All switches, push buttons and indicators to be clearly labelled and affixed with 3mm SS screws. If in auto position, the fan will restart after power loss: if in manual, it will need to be restarted by the start push button. Installed with a "delay start push button mounted separately from the start button. Adjustable from 0-60 mins. Led Ip56 indicators mounted on the front of the panel to show operational functions, Power available. Stage 1 (energized), delay start activated. E/L fault and fault indication. All control voltages should be 24VAC, and the starter should have separate earth leakage protection. The starter should have a 400A load break main switch. Starter should have a 250A load break switch for isolation. Rated lineside contactor in line with main isolator, closed only during operation. Coil consumption for main contactors. Pull-in max 15A, Holding max 1.5 A. If the pull-in or holding values are higher, the main contactors must be controlled via an auxiliary contactor. Clear wiring diagram/schematic (laminated). Tender Link : https://epaper.nation.africa/tz
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