OF2 – LTC Oil Filtration System — 2nd Generation
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Load Tap Changer Oil Filtration Systems R e d u c e O i l - R e l at e d M a i n t e n a n c e C o s t s a n d Im p r ov e R e l i a b i l i t y Our second generation oil filtration systems are designed to be installed on most LTC models to remove carbon and metallic particles produced during normal LTC operation, keeping oil in peak condition with minimal maintenance. Customizable 2nd Generation Oil Filtration System: OF2 For flexible operation, the system includes an adjustable timer which allows customers to configure the system to their specifications — daily, every other day, weekly or every other week in intervals of two, four, eight and 24 hours. Since filter replacement does not require pump reversal OR any disconnection of oil lines, the dirty oil stays in the filter while system oil stays clean and in peak condition (a convenient filter canister drain valve is included). See back Side foR paRt numbeR configuRation tool. 2ND G ENERATION OIL FILTRATION SYSTE M: OF2 Easier to Install and Maintain Our standard OF2 system’s design allows for easy installation and is equipped with a swing-out filter canister that makes filter replacements a quicker task. CUSTOM I Z E YOUR OWN SYSTE M The OF2 oil filtration system has been designed to meet the filtration demands of higher oil volume load tap changers while providing customization flexibility to meet individual customer specifications. The system is adaptable to a variety of industry standard filters and always ships complete with the following: Unique High-Efficiency Filter Design with Tilt-Out Easy Filter Change System Our depth-type filter uses a flow path parallel with the center tube instead of the conventional outside-to-inside flow. This flow path forces oil through a greater depth of filter material for more efficient filtration. See back side for more information on this unique filter design and photo to the right demonstrating easy filter change-out process. Filter Adapter Kit Available for Alternate Style Manufacturer Cartridges More Economical High efficiency filter reduces LTC mechanical wear which can minimize equipment failure and downtime. Economical purchase price combined with less frequent filter replacement can save you money.* Filter Selection • dditional 4–20 mA A Flow Transmitter • dditional 4–20 mA A Pressure Transmitter Particle/Moisture removal performance is dependent on make/model of customer-specified oil filter cartridge. With the appropriate filter installed, the OF2 system can remove dissolved water, extremely fine carbon and metallic particles to maintain peak performance of LTC oil, extend the life of your equipment and lengthen the period between maintenance intervals. * ctual filter life varies depending on transformer loading and frequency of A LTC operations and tap changer model. • 1/2 HP, fully enclosed, continuous run rated, • ilter Canister F Heater System auto-thermal, resetting motor • High performance depth filter • TC Entrance Tube L with or without Hose • 5+ gallon leak-catch sump with sump alarm • Stainless Steel Cabinet • Low flow alarm • High pressure alarm • Anti-condensation cabinet heater • Tilt-out, tool-free filter change system • Visual flow indicator which can be monitored without opening the cabinet • 0–160 psi, oil-filled pressure gage • Customer selectable run-time and interval timer • Run-time bypass switch • Remote system shut down relay • Heavy duty circuit breaker on incoming power • 120 VAC operation Minimum Turbulence in Reservoir Pump maintains a flow rate of 1.0 GPM to minimize turbulence in the tank. Optional Features

Build Your Own Part Number Using Configuration Below Oil Filtration Systems OF 2- XXXXXXX SYSTEM TYPE STANDARD SYSTEM (120VAC) STEEL NEMA 3R CAB 1/2 HP MOTOR 5 GAL LEAK SUMP OIL LEAK DETECTION TILT OUT FILTER CANISTER VISUAL FLOW INDICATOR 0-100 PSI, OIL FILLED, GAGE RUN INTERVAL TIMER RUN TIMER BYPASS SWITCH RUN-TIME METER REMOTE SHUTDOWN AUTO RESTART WITH POWER FAILURE (1030-1393 CAB.) SAME AS OPTION "A" EXCEPT WITH STAINLESS STEEL CAB (1030-1656 CAB.) SAME AS OPTION "A" EXCEPT FOR 240VAC OPERATION 240VAC - 120VAC TRANSFORMER CONVERSION WIRING SAME AS OPTION "A" EXCEPT WITH STAINLESS...