Emerson 5-1250KW Brochures and Data Sheets
Contents
1. CONTROL POWER 2000 2500 KW generator sets K K711A K711 a 3 30 a CONTROL PANEL 55 Control Power a gt pono Tole The K711 K711A K711L requires external Ps BOLT ON A H w 3 HAD DUCT o F RADIATOR RADIATOR 101 60 control power of 120 VAC single phase o oo ADAPTER ROPE Coke cone 50 60 Hz A control power transformer is eee ourpoor non F HEIGHT WIDTH l H available as an option for sites where 120 Ss LOUVER Geele DRECTIONOF T ae _ OPTIONAL es ELEMENTS VAC is not readily available i goes gee eee Cooling ae ae a CONNECTIONS LL SEE DETAIL A hh m f above The K711 K711A K711L does not have its _ al ieee ra ier i 1 i REF own cooling system Instead it relies on 660 40 330 20 139 70 Wan oe POWER 508 00 l cooling a from the eed driven radiator POWER DISTRIBUTION BLOCK DISTRIBUTION a NOTE IF DUCT ADAPTER IS USED MOUNT USING LEFT amp RIGHT FLANGES ONLY fan or sepa rately powered duct blowers A SUPPORT BRACKET BLOCK OTHERWISE USE TOP AND BOTTOM FLANGES OF THE LOAD BANK built in thermal switch drops all load if an overtemperature condition is detected wee K71ILwaza00 DETAIL A K711L A 1190 50 C 6 00 609 60 ontrols 152 40 Maa i 0 62 15 75 The local control panel contains a POWER ON J F 0563014 OFF switch a MASTER LOAD ON OFF switch and individual load step toggle switches for ap plication of individual load sections AMA2. 015 Emerson Network Power CONSIDER ADMS and Helidyne are trademarks of Avtron Specifications subject to change without notice Bulletin 263A Rev IT SOLVED
3. Avtron K711 K711A K711L Resistive Load Bank 5 to 1250 KW Testing Your Emergency Standby Generator with a Load Bank Means Reliability When it Matters Most 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 Lifting Eyes and Duct Flange for Easy Installation 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 K711 K711A K711L load banks are designed for duct or radiator mounting and are available in a variety of frame dimensions The load banks are permanently mounted to the front of the engine generator and sized to match the radiator or exhaust duct opening The K711 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 lightly loaded or allowed to idl
4. NUAL O O Q l 7 8 HOLES 2 00 m Tiso H 4 00 H W LOAD CONNECTION BUS BAR ee 101 60 AUTO switch is also provided if the optional RADIATOR RADIATOR SCALE 2 1 550 139 70 automatic load step controller is included A ICE ica f remote rack mounted control panel with wall mounted enclosure is available as an option d 4200 13 00 1 1066 80 l RADIATOR i Resistor Elements LAV 330 20 CUSTOMER SUPPLIED The fully supported Avtron Helidyne resistive if load elements are made of corrosion resistant AIRFLOW j j j 2 00 REF 5 00 LOAD CONNECTION 12 13 308 10 4 00 chromium alloy wire and are engineered to SoSo 112700 ATE 101 60 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 EmersonNetworkPower com loadbank EMERSON 3 Avtron 6255 Halle Drive Cleveland Ohio 44125 U S A ahga a 216 573 7600 FAX 216 573 5953 LBsales Emerson com SEE DETAIL A K711L All dimensions are in inches millimeters Emerson Consider it Solved and Emerson Network Power are trademarks of Emerson Electric Co or one of its affiliated companies All the other marks are the property of their respective owners 2
5. e for long periods never reach their recommended 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 ranges between 5 and 1250 KW Most engine manufacturers recommend sizing the radiator load bank to 40 60 of engine nameplate rating to eliminate wet stacking problems The K711 load bank is controlled from a built in control panel which contains the individual load step toggle switches The control panel is also available sized for standard 19 482 6 rack mounting when remote installation of the panel is desired The K711 family 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 LISTED Sate a a Uy Oo Re ISOSUON CUN gey KUET NIN Soh Mp K711 500 KW Resistive Radiator Mount Avtron Load Bank EMERSON Network Power Avtron K711 Resistive Load Bank 5 to 1250 KW S pecifl cati ons subject to change without notice Construction Options Ta LIFTING HOLES Formed aluminized ste
6. el frame provides a rigid Control Power Transformer Gn 25 40 enclosure to match the height and width of the engine radiator or duct Lifting eyes and a radiator duct flange are included to simplify e Outdoor Construction with Bolt on Louver Assembly 95 25 TYP 4 PLACES SF 1 75 44 45 0 500 DIA 1 00 25 40 DETAIL B installation The standard K711 depth is 13 e Automatic Load Step Controller DETAL A HOLES 330 2 For applications where the amountof e ADMS Digital Metering System Remote Pa LOUVER REF load element KW required exceeds the avail Mounted able 13 depth then a double deep K711A ae RiGee can be used instead with a 26 660 4 depth e Remote Control Panel with Enclosure m ead AIRFLOW FLANGE REF Designed for NEMA 1 indoor installation e Remote I O for Interface with Switch Gear x the K711 K711A is also available in NEMA 3R outdoor construction as an option The K711L frame can be used for special mount NOTE Designs for international 50 60 Hz voltages are also available Consult factory RECOMMENDED w re l k 2007vP CONDUIT 50 80 ENTRY AREA ing of 1250 KW load banks to high capacity AE AE E o
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