Évaluations - 3, GPA: 3.7
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B. Avoid contact between heater and combustible material. C. Keep combustible materials far enough away to be free of the effects of high temperatures. © 2010 Chromalox, Inc. WIRING CAUTION: Hazard of Electric Shock. Any installation involving electric heaters must be effectively grounded in accordance with National Electrical Codes to eliminate shock hazard. 1. Electrical wiring to heater must be installed in accordance with the National Electrical Code and local electric codes. 2. When element wattages are not equal, heaters must not be connected in series. 3. Electrical wiring to heater should be contained in Rigid Conduit or in sealed Flexible Metal hose to keep corrosive vapors and liquid out of the terminal housing. Conduit should terminate at some remote area free of corrosive vapors. If high humidity is encountered, the conduit should slope away from the heater terminals to keep condensate away from the heater. 4. If flexible cord is employed with the heater, a watertight connector should be used for entry of the cord into the terminal box. OPERATION 1. Do not operate heater at voltages in excess of that stamped on the 3. Sludge should not be allowed to build-up to the point where it con- heater since excess voltage will shorten heater life. tacts heater as this can lead to premature heater failure. Sludge legs 2. Always maintain a minimum of 2” of solution above the heated are recommended. Heater must not be operated in sludge. portion of the element to prevent exposure of the effective heated 4. If heater is inactive for a prolonged period or subjected to exceslength. If the heater is not properly submerged, it may overheat and sive moisture during shipments, energize at half voltage for a perishorten heater life. Do not operate heater if dry. od of time (generally overnight) before operating at rated voltage. MAINTENANCE CAUTION: Hazard of Severe Shock. Disconnect all 3. Check for loose terminal connections. power to heater before servicing or replacing heaters. 4. If corrosion is indicated in the terminal housing, check terminal box gasket and replace if necessary as well as checking the 1. Heaters should be checked periodically for coating and corrosion conduit layout to correct the conditions that allow corrosion to buildup and cleaned if necessary. enter the terminal housing. 2. Tank should be checked regularly for sediment around the elements as sediment can act as an insulator and shorten heater life. L1L2Typical Wiring Diagram240 - 480V, 1O 5.Make sure heater is grounded by attaching ground conductor, traceable back to service entrance, to the ground terminal located inside the terminal box. If heater is used in an electroplating tank, the heater should be grounded externally to the tank wall to mini- mize stray plating currents in heater sheath that may cause sheath corrosion. Limited Warranty: Please refer to the Chromalox limited warranty applicable to this product at TA - Q0 - EF Litho in U.S.A. 2150 N. RULON WHITE BLVD., OGDEN, UT 84404Phone: 1-800-368-2493 ...
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