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Summit Series ® 

12 of 20 

User’s Manual 

7.  Cold  batteries  require  more  time  to  fully  charge.    When  the  temperature  falls  below  65°F,  the  batteries 

should be placed on charge as soon after use as possible. 
 

8.  The tops of batteries and battery hold downs must be kept clean and dry at all times to prevent excessive 

self  discharge  and  the  flow  of  current  between  the  battery  posts  and  frame.    Electrolyte  spilled  on 
batteries never dries or evaporates. 

9.  All  connections  to  batteries  must  be  maintained  clean  and  tight.    Due  to  heating  and  discharge  rates, 

bolted connections loosen over time.  Re-tighten the connections twice yearly to the torques specified by 
the battery manufacturers. 

10.  Follow all operating instructions, cautions, and warnings as specified in this manual, on the charger, in the 

battery manuals, and in the vehicle manuals. 

 

9.1 Personal Safety Precautions 

 

1.  Have  someone  within  the  range  of  your  voice  and  close  enough  to  quickly  come  to  your  aid  when  you 

work near a lead-acid battery. 

2.  Ensure that ample fresh water and soap  are nearby  in case battery acid contacts  your skin, clothing,  or 

eyes. 

3.  Wear complete eye and clothing protection.  Avoid touching your eyes while working near a battery. 
4.  If battery acid contacts your skin or clothing, wash immediately with soap and water.  If acid enters your 

eye, immediately flush your eye with running cold water for at least 10 minutes, and get medical attention 
immediately. 

5.  NEVER smoke or allow a spark or flame to be in the vicinity of a battery. 
6.  Be extra cautious to reduce the risk of dropping a metal tool onto a battery.  It could spark or short circuit 

the battery or other electrical components that could cause an explosion. 

7.  Remove  personal  metal  items  such  as  rings,  bracelets,  necklaces,  and  watches  when  working  with  a 

battery.  A battery can produce a short-circuit current that is high enough to cause a severe burn. 

8.  NEVER charge a frozen battery. 
 

10.  CHARGER OPERATION 

 

WARNING:  TO  REDUCE  THE  RISK  OF  AN  ELECTRIC  SHOCK,  CONNECT  ONLY  TO  A  SINGLE-

PHASE, PROPERLY GROUNDED (3-WIRE) OUTLET. REFER TO GROUNDING INSTRUCTIONS. 

 

CAUTION:    MAKE  SURE  THE  BATTERY  IS  A  RECHARGEABLE  DEEP-CYCLE  BATTERY  WITH 

THE PROPER RATED VOLTAGE FOR THIS CHARGER. 

 

DANGER:  TO PREVENT ELECTRICAL SHOCK, DO NOT TOUCH UNINSULATED PARTS OF THE 

CHARGER  DC  OUTPUT  CONNECTOR,  BATTERY  CONNECTOR,  OR  BATTERY  TERMINALS.    MAKE 
SURE  ALL  ELECTRICAL  CONNECTORS  ARE  IN  GOOD  WORKING  CONDITION.    DO  NOT  USE 
CONNECTORS  THAT  ARE  CRACKED,  CORRODED,  OR  DO  NOT  MAKE  ADEQUATE  ELECTRICAL 
CONTACT.    USE  OF  A  DAMAGED  OR  DEFECTIVE  CONNECTOR  MAY  RESULT  IN  A  RISK  OF 
OVERHEATING OR ELECTRIC SHOCK. 

 

WARNING:    CHARGER  IS  NOT  TO  BE  USED  WHILE  THE  BATTERY  POWERED  EQUIPMENT  IS 

OPERATING. 

 

ATTENTION:  N

E PAS UTILISER LE CHARGER PENDANT QUE L’EQUIPMENT EST EN MARCHE. 

 

WARNING:    LEAD-ACID  BATTERIES  GENERATE  GASES  WHICH  CAN  BE  EXPLOSIVE.    TO 

PREVENT  ARCING  OR  BURNING  NEAR  BATTERIES,  DO  NOT  DISCONNECT  THE  CHARGER  DC 
OUTPUT  FROM  THE  BATTERIES  WHEN  THE  CHARGER  IS  OPERATING.    KEEP  SPARKS,  FLAME, 
AND SMOKING MATERIALS AWAY FROM BATTERIES. 

 

Summary of Contents for SUMMIT 27940

Page 1: ...SWITCH MODE INDUSTRIAL BATTERY CHARGER USER S MANUAL Important Safety Installation Operation and Maintenance Instructions www LesterElectrical com ...

Page 2: ...r for future reference Document any configuration or settings changes that are made by marking the ratings label on your charger or on an additional label or tag attached to your charger This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful inter...

Page 3: ...9 4 1 Off Board Chargers 9 4 2 On Board Chargers 9 5 AC INPUT 9 6 DC OUTPUT 10 7 VEHICLE LOCKOUT CONTROL OPTIONAL 10 8 BATTERY TEMPERATURE SENSOR OPTIONAL 11 9 PROPER CARE OF DEEP CYCLE LEAD ACID MOTIVE POWER BATTERIES 11 9 1 Personal Safety Precautions 12 10 CHARGER OPERATION 12 10 1 Off Board Charger Operation 13 10 2 On Board Charger Operation 14 10 3 Storage Mode Operation 14 11 LED INDICATORS...

Page 4: ...CH UNINSULATED PORTION OF AC OR DC CONNECTORS OR UNINSULATED BATTERY TERMINAL 8 DANGER RISQUE DE CHOCKS ÉLECTRIQUES NE PAS TOUCHER LES PARTIES NON ISOLÉES DU CONNECTEUR DE SORTI OU LES BORNES NON ISOLÉES DE L ACCUMULATEUR 9 CAUTION CHARGE ONLY BATTERIES OF THE SAME TYPE VOLTAGE CELL NUMBER AND AMP HOUR CAPACITIES AS SHOWN ON THE LABEL OTHER TYPES OF BATTERIES MAY BURST CAUSING PERSONAL INJURY AND ...

Page 5: ...CH MAY CAUSE BURNS DO NOT GET ACID IN EYES ON SKIN OR CLOTHING IF CONTACT WITH THE EYES OCCURS FLUSH IMMEDIATELY WITH CLEAN WATER FOR 15 MINUTES AND OBTAIN MEDICAL ATTENTION 17 WARNING ONLY A QUALIFIED SERVICE TECHNICIAN SHOULD PROGRAM OR SERVICE THIS EQUIPMENT 18 CAUTION DO NOT OPERATE THE CHARGER IF IT HAS RECEIVED A SHARP BLOW BEEN DROPPED OR OTHERWISE DAMAGED HAVE A QUALIFIED SERVICE TECHNICIA...

Page 6: ...LUGS IMMEDIATELY Unpack the charger and examine it for shipping damage In the event that shipping damage is found report it as a claim with the freight company Do not operate the charger with a damaged AC or DC cable or connector Do not operate the charger if it has received a sharp blow was dropped or was otherwise damaged in any way Contact your dealer Proper installation is important to achieve...

Page 7: ...Summit Series 7 of 20 User s Manual Figure 2 1 Charger Mounting Recommendations Figure 2 2 Charger Dimensions and Mounting Slot Locations Case 1 ...

Page 8: ...in Figure 3 1 please contact your dealer for information To change the active battery profile for this charger please contact your dealer If the active battery profile is changed mark the charger ratings label or add an additional label or tag CAUTION THIS CHARGER IS FOR USE ONLY WITH BATTERY SYSTEMS OF THE SAME TYPE AS THE ACTIVE BATTERY PROFILE BATTERIES IMPROPERLY MATCHED WITH THE CHARGER MAY B...

Page 9: ...start a new charge cycle Disconnecting the DC output from the battery pack IS REQUIRED to automatically start a new charge cycle 4 2 On Board Chargers On board chargers are designed to be mounted on electric vehicles equipment If the DC output is connected to a battery pack of the proper voltage a charge cycle automatically starts when the AC input plug is connected to AC power unless a safety per...

Page 10: ... CHARGE ONLY IN WELL VENTILATED AREAS TO PREVENT ARCING OR BURNING NEAR BATTERIES DO NOT DISCONNECT THE DC CHARGING CONNECTOR S FROM THE BATTERIES WHEN THE CHARGER IS OPERATING IF THE CHARGE CYCLE MUST BE INTERRUPTED UNPLUG THE AC POWER CORD BEFORE DISCONNECTING THE DC OUTPUT CONNECTOR S FROM THE BATTERIES KEEP SPARKS FLAME AND SMOKING MATERIALS AWAY FROM BATTERIES TO REDUCE THE RISK OF FIRE DO NO...

Page 11: ...ubjected to severe deep cycle duty on a daily basis Although these batteries are designed to withstand such duty the following precautions must be observed to obtain good performance and maximum cycle life CAUTION ALWAYS WEAR PROTECTIVE EYE SHIELDS AND CLOTHING WHEN WORKING WITH BATTERIES BATTERIES CONTAIN ACIDS WHICH CAN CAUSE BODILY HARM DO NOT PUT WRENCHES OR OTHER METAL OBJECTS ACROSS THE BATT...

Page 12: ... attention immediately 5 NEVER smoke or allow a spark or flame to be in the vicinity of a battery 6 Be extra cautious to reduce the risk of dropping a metal tool onto a battery It could spark or short circuit the battery or other electrical components that could cause an explosion 7 Remove personal metal items such as rings bracelets necklaces and watches when working with a battery A battery can ...

Page 13: ...art automatically which is indicated by the Charge Status yellow LED beginning to blink slowly 3 If the charger must be disconnected from the battery while a charge cycle is in progress first disconnect the AC power cord from the AC outlet Do not disconnect the charger DC output connector plug from the battery while a charge cycle is in progress 4 The charge cycle 80 point is indicated by the Char...

Page 14: ...D beginning to blink quickly Not all charge profiles include a Balance Equalize phase 8 The charger automatically terminates the charge cycle when a battery reaches full charge which is indicated by 1 the solid illumination of the Charge Complete green LED or 2 the Charge Complete green LED beginning to blink slowly indicating a post charge phase The required charge time is affected by numerous fa...

Page 15: ...ible states FAULT red Indicates when a charger or battery fault has occurred See the FAULTS section Charge Status Yellow LED Charge Complete Green LED Description Slow Blink Off Bulk Start charge cycle phase constant power or constant current Fast Blink Off Absorption Plateau charge cycle phase constant voltage Greater than 80 charged Solid On Off Finish charge cycle phase constant current Not all...

Page 16: ... Lester Electrical Slow Blink Slow Blink 0 HARDWARE FAULT Contact Lester Electrical Slow Blink Slow Blink 1 HARDWARE FAULT Contact Lester Electrical Fast Blink N A N A HARDWARE FAULT Contact Lester Electrical Unit is still able to charge Battery 1 0 0 PHASE A fault condition most commonly maximum time was met during a particular charge cycle phase start bulk plateau absorption finish etc 1 0 Slow ...

Page 17: ...rge cycle b The charger DC output connector was disconnected from the battery during the charge cycle c The battery has been allowed to sulfate Charge the battery at least once every three 3 days when the equipment is lightly used Once sulfation is allowed to take place it may be partially reduced by returning temporarily to daily charging 3 A decrease in vehicle equipment range where the battery ...

Page 18: ... 21A 27940 27950 25 A Battery types Wet flooded AGM gel deep cycle lead acid lithium ion custom See Section 3 for additional details Protection Current limit short circuit reverse polarity under voltage over voltage wrong battery voltage LEDs Charge Complete green Charge Status yellow Fault red Lockout Control Optional Pulls down to battery neg when active See Section 7 for options and additional ...

Page 19: ...Summit Series 19 of 20 User s Manual NOTES ...

Page 20: ...Summit Series 20 of 20 User s Manual Represented By 39251H ...

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