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1.  IMPORTANT SAFETY INSTRUCTIONS – SAVE THESE INSTRUCTIONS. 

This manual contains important safety and operating instructions.

RISK OF ELECTRIC SHOCK OR FIRE.

1.1  Read the entire manual before using this product. Failure to do so could result 

in serious injury or death.

1.2  Keep out of reach of children.

1.3  This booster is not intended for use by persons (including children) with 

reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been 

given supervision or instruction concerning the use of the booster by a person responsible for their safety.

1.4  Do not put fingers or hands into the product.

1.5  Do not expose the booster to rain or snow.

1.6  Use only recommended attachments. Use of an attachment not recommended or sold by the manufacturer 

may result in a risk of fire, electric shock or injury to persons or damage to property.

1.7  To reduce the risk of damage to the electric plug or cord, pull by the plug rather than the cord when 

disconnecting the booster. 

1.8  To reduce the risk of electric shock, unplug the booster charger from the outlet before attempting any 

maintenance or cleaning. Simply turning off the controls will not reduce this risk. 

1.9  Do not operate the booster or charger with a damaged output cable; have the damaged part  replaced 

immediately by a qualified service person. 

1.10  Do not operate the booster if it has received a sharp blow, been dropped or otherwise damaged in any way; 

take it to a qualified service person.

1.11  Do not disassemble the booster or charger; take it to a qualified service person when service or repair is 

required. Incorrect reassembly may result in a risk of fire or electric shock.

RISK OF EXPLOSIVE GASES. PREVENT FLAMES AND SPARKS.  

PROVIDE ADEQUATE VENTILATION DURING CHARGING.

1.12  WORKING IN THE VICINITY OF A LEAD-ACID BATTERY IS DANGEROUS. BATTERIES 

GENERATE EXPLOSIVE GASES DURING NORMAL OPERATION. FOR THIS REASON, IT IS 

IMPORTANT THAT YOU FOLLOW THESE INSTRUCTIONS EACH TIME YOU USE THE BOOSTER.

1.13  The booster and lead-acid battery of the vehicle must be placed in a well-ventilated area. 

1.14  To reduce the risk of a battery explosion, follow these instructions and those published by the battery 

manufacturer and the manufacturer of any equipment you intend to use in the vicinity of the battery. Review the 

cautionary markings on these products and on the engine. 

1.15  This booster employs parts, such as switches and circuit breakers, that tend to produce arcs and sparks. If used 

in a garage, locate this booster 46 cm or move above floor level.

WARNING

Do not use with non-rechargeable batteries. Use only with lead-acid type rechargeable batteries.

2. 

PERSONAL PRECAUTIONS

RISK OF EXPLOSIVE GASES. A SPARK NEAR THE BATTERY 

MAY CAUSE A BATTERY EXPLOSION. TO REDUCE THE RISK  

OF A SPARK NEAR THE BATTERY:

2.1  NEVER smoke or allow a spark or flame in the vicinity of a 

battery or engine.

2.2  Do not permit the internal battery of the booster to freeze. Never charge a frozen battery. 

2.3  When charging the internal battery, work in a well ventilated area and do not restrict the ventilation in any way. 

2.4  Be sure the area around the battery is well ventilated while the booster is being used. 

2.5  Remove personal metal items such as rings, bracelets, necklaces and watches when working with a lead-acid 

battery. A lead-acid battery can produce a short-circuit current high enough to weld a ring or the like to metal, 

causing a severe burn. 

2.6  Be extra cautious, to reduce the risk of dropping a metal tool onto the battery. It might spark or short-circuit the 

battery or other electrical part that may cause an explosion. 

2.7  To prevent sparking, NEVER allow clamps to touch together or contact the same piece of metal. 

2.8  Consider having someone close enough by to come to your aid when you work near a lead-acid battery. 

2.9  Have plenty of fresh water and soap nearby in case battery acid contacts your skin, clothing or eyes. 

WARNING

WARNING

WARNING

WARNING

WARNING

WARNING

Summary of Contents for DSR5221

Page 1: ...AND READ BEFORE EACH USE This manual will explain how to use the unit safely and effectively Please read and follow these instructions and precautions carefully MODELS DSR5221 DSR5222 Professional Ba...

Page 2: ...us situation which if not avoided could result in moderate or minor injury to the operator or bystanders Indicates a potentially hazardous situation which if not avoided could result in damage to the...

Page 3: ...NORMAL OPERATION FOR THIS REASON IT IS IMPORTANT THAT YOU FOLLOW THESE INSTRUCTIONS EACH TIME YOU USE THE BOOSTER 1 13 The booster and lead acid battery of the vehicle must be placed in a well ventil...

Page 4: ...ght connections 4 FOLLOW THESE STEPS WHEN CONNECTING THE BOOSTER TO A BATTERY A SPARK NEAR THE BATTERY MAY CAUSE A BATTERY EXPLOSION TO REDUCE THE RISK OF A SPARK NEAR THE BATTERY 4 1 Attach the outpu...

Page 5: ...ry s charge status press the display button on the front of the booster The digital display will show the battery s percent of charge A fully charged battery will read 100 Charge the internal battery...

Page 6: ...and confirm that the green POWER LED on the charger turns on 4 Check that the yellow CHARGING LED in charger starts pulsing slowly to indicate that charge process has started To know status of the cha...

Page 7: ...ype rated 32 V 500 A Bussman Audio Ohm Srl WARNING Keep away from sparks and flame battery could emit explosive gases 1 Allow the fuse to cool down completely approximately 5 minutes 2 Make sure the s...

Page 8: ...eck the battery charge status by pressing the button on the front of the booster See LED Indicators section of this manual Disconnect the 12V device The internal breaker will automatically reset after...

Page 9: ...222 3999002114 14 DISPOSAL INFORMATION 14 1 Internal battery The battery must be removed from the appliance before it is scrapped The appliance must be disconnected from the supply mains before removi...

Page 10: ...dents unauthorized changes or modifications incorrect transport storage or treatment of the Product d In order to exercise this right the Product must be returned complete and in its original state an...

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