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Form 297-LB Rev. 01/2014 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ASCO Power Technologies

 

6255 Halle Drive

 

Cleveland, OH 44125

 

T (216) 573 7600

 

F (216) 573 5953

 

www.avtronloadbank.com

 

If  replacement  parts,  components  or  products  are  shipped  or  caused  to  be  shipped  by  ASCO  prior  to  inspection  of  the  product 
claimed  to  be  defective,  the  replacement  parts,  components  or  products  shall  be  invoiced  in  the  full  current  price  amount  and 
shipped freight collect F.O.B. 

ASCO’s facility. If ASCO’s inspection determines that the returned item(s) is covered by this warranty, 

User will be issued a credit in an amount equal to the parts prices previously invoiced.  Warranty coverage will be provided only after 
ASCO’s  inspection  discloses  the  claimed  defect  and  shows  no  signs  of  treatment  or  use  which  would  void  the  coverage  of  this 
Warranty.  All defective products and component parts replaced under this warranty become the property of ASCO. 

 
Warranty Performance of Component Manufacturers:

 

It is ASCO’s practice, consistent with its desire to remedy Warranty defects in the most prompt and effective manner possible, to 
cooperate with and utilize the services of component manufacturers and their authorized representatives in the performance of work 
to  correct  defects  in  the  product  components.  Accordingly,  ASCO  may  utilize  third  parties  in  the  performance  of  Warranty  work, 
including repair or replacement hereunder, where, in ASCO's opinion, such work can be performed in less time, with less expense, 
or in closer proximity to the Avtron product.  
 

Items Not Covered By Warranty:

 

THIS WARRANTY  DOES  NOT  COVER  DAMAGE  OR  DEFECT  CAUSED BY misuse,  improper  application,  wrong  or  inadequate 
electrical current or connection, negligence, inappropriate on site operating conditions, repair by non-Avtron designated personnel, 
accident in transit, tampering, alterations, a change in location or operating use, exposure to the elements, water, or other corrosive 
liquids or gases, Acts of God, theft, installation and/or deployment contrary to ASCO's recommendations or specifications, or in any 
event if the Avtron serial number has been altered, defaced, or removed.  
 
THIS WARRANTY  DOES  NOT  COVER shipping  costs,  installation  costs,  or  maintenance  or  service  items  and  further,  except  as 
may be provided herein, does NOT include labor costs or transportation charges arising from the replacement of the Avtron product 
or any part thereof or charges to remove or reinstall same at any premises of User. 
 
REPAIR  OR  REPLACEMENT  OF  A  DEFECTIVE  PRODUCT  OR  PART  THEREOF  DOES  NOT  EXTEND  THE  ORIGINAL 
WARRANTY PERIOD. 
 
THE  PRODUCTS  LISTED  IN  THIS  WARRANTY  ARE  NOT  FOR  USE  IN  THE  CONTROL  AREA  OR  ANY  REACTOR 
CONNECTED  OR  SAFETY  APPLICATIONS  OR  WITHIN  THE  CONTAINMENT  AREA  OF  A  NUCLEAR  FACILITY  OR  FOR 
INTEGRATION INTO MEDICAL DEVICES. 
 

Limitations:

 

THIS  WARRANTY  IS  IN  LIEU  OF  AND  EXCLUDES  ALL  OTHER  WARRANTIES,  EXPRESS  OR  IMPLIED,  INCLUDING 
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 
 
USER'S  SOLE  AND  EXCLUSIVE  REMEDY  IS  REPAIR  OR  REPLACEMENT  OF  THE  AVTRON  PRODUCT  AS  SET  FORTH 
HEREIN. 
 
IF  USER'S  REMEDY  IS  DEEMED  TO  FAIL  OF  ITS  ESSENTIAL  PURPOSE  BY  A  COURT  OF  COMPETENT  JURISDICTION, 
AVTRON’S  RESPONSIBILITY  FOR  PROPERTY  LOSS  OR  DAMAGE  SHALL  NOT EXCEED  THE  NET PRODUCT  PURCHASE 
PRICE. 
 
IN  NO  EVENT  SHALL  ASCO  ASSUME  ANY  LIABILITY  FOR  INDIRECT,  SPECIAL,  INCIDENTAL,  CONSEQUENTIAL  OR 
EXEMPLARY  DAMAGES  OF  ANY  KIND  WHATSOEVER,  INCLUDING  WITHOUT  LIMITATION  LOST  PROFITS,  BUSINESS 
INTERRUPTION  OR  LOSS  OF  DATA,  WHETHER  ANY  CLAIM  IS  BASED  UPON  THEORIES  OF  CONTRACT,  NEGLIGENCE, 
STRICT LIABILITY, TORT, OR OTHERWISE. 
 

Miscellaneous

NO  SALESPERSON,  EMPLOYEE  OR  AGENT  OF  ASCO  IS  AUTHORIZED  TO  ADD  TO  OR  VARY  THE  TERMS  OF  THIS 
WARRANTY. Warranty terms may be modified, if at all, only in writing signed by an ASCO officer

.

 

 
ASCO obligations under this Warranty are conditioned upon ASCO timely receipt of full payment of the product purchase price and 
any other amounts due.  ASCO reserves the right to supplement or change the terms of this Warranty in any subsequent warranty 
offering to User or others. 
 
In the event that any provision of this Warranty should be or becomes invalid and/or unenforceable during the warranty period, the 
remaining terms and provisions shall continue in full force and effect. 
 
This Warranty shall be governed by, and construed under, the laws of the State of New Jersey, without reference to the conflict of 
laws principles thereof. 
 
This Warranty represents the entire agreement between ASCO and User with respect to the subject matter herein and supersedes 
all prior or contemporaneous oral or written communications, representations, understandings or agreements relating to this subject.

 

 

Summary of Contents for AVTRON LOADBANK LPH400

Page 1: ...AVTRON MODEL LPH400 RESISTIVE LOAD BANK Part Number LPH400D30693 1 2009 Avtron Loadbank Inc April 12 2000 Cleveland Ohio Rev Aug 18 2009 ...

Page 2: ......

Page 3: ...ic Load Bank D27552 Resistor Assembly D27553 Resistor Assembly D27555 Resistor Assembly SUPPLEMENTAL VENDOR MANUALS Provided Separately Electro Industries SHARK100 Installation and Operation Manual Gauge Tech CD ROM E145420 For Load Banks S N s 375 and above Electro Industries Quick Start Guide for SHARK Series Meters E145703 Gauge Tech For Load Banks S N s 375 and above Electro Industries DMMS 30...

Page 4: ...ducted to ensure the reliability and safety built into your Avtron equipment The Model LPH400 Load Banks are industrial test units designed for safe use indoors However because the Load Bank s function is to dissipate electrical energy there are inherent dangers to the operators and to the equipment These dangers shall be outlined in this section Electrical energy is transformed into heat by the r...

Page 5: ... the unit to cool the elements Do not allow the unit to be placed where hot exhaust air can recirculate back through the unit causing a constant rise in cooling air temperature 10 After running a load test residual heat should be removed from the Load Bank by allowing the fan to operate for a few minutes after load is removed This procedure is not required for maintaining Load Bank integrity but i...

Page 6: ...ling any heated elements B The power ON OFF switch will disconnect both load steps and fan motor A customer supplied Generator Emergency OFF switch should be located near the Load Bank 17 An approved electrical fire extinguisher should be on hand at all times 18 It is the responsibility of the customer to take diligent care in installing the Load Bank The National Electrical Code NEC sound local e...

Page 7: ...ource under test the motor circuit connects the motor for high or low voltage The unit will test 240 480 volt 3 phase 60 Hz generators without any wiring changes It can be used to test 60 Hz 50 Hz or 400 Hz generators however the fan motor and control circuit power must be supplied by separate 60 Hz sources when testing 50 Hz or 400 Hz generators For separate 60 Hz fan motor power connection see S...

Page 8: ...the load connection compartment Customer Connection Access Box The Load Bank can operate at either 480 or 240 volts A switch on the control panel S7 will switch the load from the high voltage configuration to the low voltage configuration The fan motor configuration also changes if powered from generator under test The fan motor has separate overload protection for high and low voltage operation T...

Page 9: ...s operated in a closed space ventilation of 11 000 CFM or greater is required Temporary outdoor use is acceptable if climate and environment are suitable Some moisture from light non freezing rain will not damage the unit if running or in storage outdoors with control panel slide cover door shut A minimum of four feet of clearance from the inlet end and eight feet of clearance on the exhaust end a...

Page 10: ...in positioning the Load Banks so that the exhausted air of one unit does not feed the air intake of another 2 RESTRICTION OF COOLING AIR Any obstruction located within four 4 feet of the inlet or eight 8 feet of exhaust screens will restrict the Load Bank s airflow Airflow is also restricted when two or more Load Banks have air inlets positioned close to each other This competition for cooling air...

Page 11: ...the operator applies either 240V or 480V to the primary the control transformer supplies 120 VAC for control power An external power source must be provided as described in section B of Fan Motor Connections if internal power for motor and control power is not desired During startup be sure the load switch on the generator under test is not ON until the prime mover has the generator up to speed Al...

Page 12: ...Fan motor will operate between 208 and 250 volts and between 416 and 500 volts at 3 phase 60 Hz Connection at 50 Hz is the same as 60 Hz with motor voltage range of 180 to 220 volts and 360 to 440 volts W A R N I N G When operating at 50 Hz the motor speed RPM is reduced which also reduces cooling of the Load Bank Do not exceed 400 volts in the 480 mode or 200 volts in the 240 mode to input bus wh...

Page 13: ...bles to the Load Bank should be sized to handle the maximum rated load according to the National Electric Code Verify load cables lugs and mounting hardware have sufficient arc over clearance to sheet metal and cover when closed The current can be determined by the following formula Line Current kW 577 VOLTAGE Line to Line W A R N I N G B Bus and any attached wiring are electrically hot when opera...

Page 14: ...and a good earth ground The ground conductor should be sized for National Electric Code Table 250 122 if not superseded by local codes W A R N I N G Do not operate the Load Bank with any panel or screen removed This may expose the operator to dangerous high voltage and the rotating fan blade as well as disrupting the airflow Keep the hinged cover on connection access box closed and latched STORAGE...

Page 15: ...tch When Option 1 is installed this switch is used to set correct input voltage to the Control Transformer This method should be used only if voltage and frequency of the generator under test falls within the ranges specified in the INSTALLATION section 5 BLOWER START STOP Pushbuttons Pushbuttons are used to initiate fan motor start and stop circuits 6 FAN ROTATION ABC CBA Switch This switch is us...

Page 16: ...n 1 is included Then no line cord and no action required here 2 Connect the unit to be tested as described in Section III INSTALLATION under Power Requirements Use all three load bus bars in the customer connection access box for 3 phase generators or connect the power cables to the Phase A and Phase C bus bars for single phase generators See Section III INSTALLATION for details C A U T I O N The ...

Page 17: ...ss the BLOWER START pushbutton Verify air flow is in the correct direction If not shut down fan by depressing the STOP pushbutton Wait until fan blade stops rotating then switch fan rotation switch ABC CBA Restart and verify airflow Upon energizing the fan the red BLOWER FAIL lamp will light momentarily until the air switch detects sufficient cooling air at which time it will go out applying power...

Page 18: ... volts 14 To remove load move MASTER LOAD switch to OFF position 15 Shutdown Reverse steps 1 through 12 It is good procedure to allow the fan motor to operate for about 5 minutes after the load is removed This will exhaust any accumulated heat and allow exhaust surfaces to cool Although not required for maintaining Load Bank integrity the cooling procedure helps to prevent burn injuries W A R N I ...

Page 19: ...LPH400 Resistive Load Bank Part Number LPH400D30693 1 4 5 C A U T I O N Never exceed the rated voltage This will cause the Load Bank to overheat Do not apply DC voltages because the contactors do not have arc blowout magnets ...

Page 20: ...at the top of this page Put on a grounded wrist strap before handling any ESD sensitive item Clear work area of Styrofoam plastic and vinyl items such as coffee cups Handle ESD items by the body never the open edge connectors Never slide ESD sensitive items over any surface Transport ESD sensitive items in a static shielding container to a static free work station If a static free work station is ...

Page 21: ... maintain the equipment in a good safe condition All maintenance work must be done by qualified personnel only W A R N I N G Personal injury from electrical shock or from the rotating fan blade may result if ALL sources of power are not disconnected before servicing Refer to Section I SAFETY CONSIDERATIONS of this manual DAILY 1 Remove any Load Bank airflow restrictions 2 Check the screens to make...

Page 22: ...ll contactors to make sure that the contacts are not severely pitted or corroded The contacts must move freely and be properly seated 8 Clean all dirt and debris out of the Load Bank This can be accomplished by blowing the inside of the unit with clean dry compressed air W A R N I N G Use only clean dry compressed air not to exceed 40 PSI Eye protection must be worn when cleaning with compressed a...

Page 23: ...ads are terminated properly 12 Replace all access panels and screens Tighten all the fastening hardware securely 13 Check the indicator lamps on the control panel and replace as necessary ANNUALLY The blower motor must be lubricated per the motor manufacturer s requirements and specifications on the motor nameplate PARTS REPLACEMENT Access to any component is easily made with the removal of the co...

Page 24: ...nges are sometimes necessary and revisions to the parts list may be made at any time without notice REFERENCE DESIGNATORS Service personnel may use this parts list along with the Avtron system schematics to identify and order replaceable parts The reference designators were carefully selected and matched to those on the schematic diagrams and equipment to simplify the troubleshooting and repair pr...

Page 25: ...0 CONDUCTOR 364874 4 RESISTOR ASSEMBLY D27552 3 1 K1 3A B RELAY 3P 25A 110 120V B14795 3 50 60HZ COIL PER AVTRON DWG K4B RELAY 3P 50A 110 120V 50 60 HZ COIL B14796 1 PER AVTRON DWG XF4 6 10 12 FUSEBLOCK 3 POLE 60 AMP 600V 324660 2 FOR 1 56 X 812 DIA FUSE F4 6 10 12 FUSE CARTRIDGE 40 AMP 600V VERY FAST ACTING 324419 6 RESISTOR ASSEMBLY D27552 1 1 K1 3A RELAY 3P 25A 110 120V B14795 3 50 60 HZ COIL P...

Page 26: ...G INSULATOR 562 005 OD 385 411146 24 005 ID 1 130 010 LG INSULATOR 780 010 OD 578 411147 48 005 ID 530 010 LG RESISTOR ASSEMBLY D27555 3 1 K1B 2B RELAY 3P 90A 600V IND 120A 600V RES 351885 2 110 120V 50 60HZ SC TERM K2B RELAY 3P 50A 110 120V B14796 1 50 60 HZ COIL PER AVTRON DWG F4 6 10 12 FUSE 150 AMP 600V VERY FAST ACTING CLASS T 324463 6 RESISTOR ASSEMBLY 100 100 KW STEPS D27555 1 1 K1A 2A RELA...

Page 27: ...67 1 XK21 XK22 BRACKET RELAY MOUNTING 408304 2 XK30 XK31 SPRING HOLD DOWN 467550 2 S50 SWITCH TEMPERATURE 362820 1 OPTION 1 DUAL VOLTAGE CONTROL C24765 TRANSFORMER The following parts are used only if Option 1 is included K100 240 RELAY B14795 2 K480 RELAY B16148 1 CB1 CIRCUIT BREAKER 310330 1 F440 FUSE 0 5A 250V 324005 1 XF440 FUSEBLOCK 324964 1 K101 RELAY VOLT SENSE 350583 1 S100 SWITCH PUSHBUTT...

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Page 32: ...o the first person firm association or corporation for whom the Avtron product specified herein is originally deployed for use the User in the fifty United States or Canada This Warranty is not transferable or assignable without the prior written permission of ASCO Assignment of Warranties ASCO assigns to User any warranties which are made by manufacturers and suppliers of components of or accesso...

Page 33: ...pt as may be provided herein does NOT include labor costs or transportation charges arising from the replacement of the Avtron product or any part thereof or charges to remove or reinstall same at any premises of User REPAIR OR REPLACEMENT OF A DEFECTIVE PRODUCT OR PART THEREOF DOES NOT EXTEND THE ORIGINAL WARRANTY PERIOD THE PRODUCTS LISTED IN THIS WARRANTY ARE NOT FOR USE IN THE CONTROL AREA OR ...

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