Emerson (K711H) Brochures and Data Sheets
Contents
1. Avtron K 11H Resistive Root Top Style Load Bank 5 to 500 KW Testing Your Emergency Standby Generator with a Load Bank Means Reliability When it Matters Most e Designed for Sound Attenuated Enclosures e Economical Uses Engine Air for Cooling e Reduces Wet Stacking Problems e Provides Load for Routine Generator Testing e Corrosion Resistant Aluminized Steel Frame e Includes Exhaust Screening for Continuous Outdoor Operation Superior Avtron quality combined with simple operation and maintenance will provide years of trouble free service Avtron s extensive line of Load Bank and Industrial Resistor Products are solid performers used throughout the world For total technical support or additional information please contact Avtron at 216 573 7600 or LBsales Emerson com Quality System Certified to ISO 9001 The Avtron K711H Roof Top Style Load Banks are designed for mounting on sound attenuated enclosures and are available in a variety of frame dimensions The load banks are permanently mounted and sized to match the exhaust opening The K711H load banks utilize the engine cooling air rather than an internal cooling fan found on conventional load banks The primary cause of premature diesel engine failure is wet stacking which is literally wet unburned fuel accumulating in the engine exhaust stack due to under loading of the generator Diesel engines that are l2. MASTER LOAD ON OFF a Gitte switch and individual load step toggle switches for application of individual load sections AMANUAL AUTO switch is also provided if the optional automatic load step controller is included A remote rack mounted control panel with wall mounted enclosure is available as an option LOAD BANK REF GEN SET REF LOAD BANK REF GEN SET REF SIDE VIEW of generator enclosure Resistor Elements The fully supported Avtron Helidyne resistive load elements are made of corrosion resistant chromium alloy wire and are engineered to operate at conservative temperature ratings This provides more stable loading extends re sistance element operating life and eliminates the need for a cool down period after load bank operation FRONT of generator enclosure All dimensions are in inches millimeters Emerson Consider it Solved and Emerson Network Power are trademarks of Emerson Electric Co Emerson Network Power or one of its affiliated companies All the other marks are the property of their respective owners X F Avtron 6255 Halle Drive Cleveland Ohio 44125 U S A ADMS and Helidyne are trademarks of Avtron Specifications subject to change without notice ieee 216 573 7600 FAX 216 573 5953 LBsales Emerson com E aersonhiceworkbower com loadbank 2015 Emerson Network Power Bulletin 600 Rev B EMERSON CONSIDER IT SOLVED
3. idth of the engine radiator or duct Lifting eyes are included to simplify installation The standard ADMS Digital Metering System Remote i i i M e Automatic Load Step Controller depth is 13 330 2 For applications where Mounted H 4 00 exceeds the available 13 depth then a l double deep K711A can be used instead e Remote I O for Interface to Switch Gear with a 26 660 4 depth Designed for out NOTE Designs for international 50 60 Hz voltages are also door operation available Consult factory Control Power The Load Bank requires external control load bank power of 120 VAC single phase 50 60 Hz W 20 0 508 00 a A control power transformer is available as an option for sites where 120 VAC is not readily available Cooling The Load Bank does not have its own cooling system Instead it relies on cooling air from the engine driven radiator fan or separately TOP VIEW powered duct blowers A built in thermal of generator enclosure switch drops all load if an overtemperature e condition is detected Controls The remote control panel contains a POWER ON OFF switch a
4. ightly loaded or allowed to idle for long periods never reach their recom mended full operating temperature Over time this unburned fuel coats the combustion chamber and pistons with a thick coating of tar and carbon build up reducing efficiency and life span of the engine considerably A supplemental radiator load bank helps to burn off these harmful carbon deposits greatly increasing engine life These units are offered in 208 240 480 or 600 volt versions at 60 Hz or 380 400 or 416 volt versions at 50 Hz Load rating varies and typically ranges between 5 and 500 KW Most engine manufacturers recommend sizing the radiator load bank to 40 60 of engine nameplate rating to eliminate wet stacking problems The load bank is controlled from individual load step toggle switches The control panel is provided as a remote wall mount style which is required for roof top applications The K711H roof top style load bank is intended for use as a supplemental load for lightly loaded engine generator sets The load bank utilizes the engine cooling air to cool the resistive load elements K711H 300 KW Resistive Roof Top Style Avtron Load Bank X EMERSON Network Power Avtron K 711H Resistive Load Bank 5 to 500 KW S pecifl cati ons subject to change without notice Construction Options Formed aluminized steel frame provides a e Control Power Transformer rigid enclosure to match the height and w
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