Nautilus 011-1973-2 Instruction Manual Download Page 6

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Model no. 011-1973-2 l  Questions? Contact us 1-888-942-6686

CONTROLS AND INDICATORS

D.             Battery Type

There are 3 battery types to choose from. Pressing the              button repeatedly will cycle through 
each of the battery types. See below for an overview of each type.

NOTE: The battery charger will retain the last selected mode in memory. In the event AC power is 
disrupted (e.g., power failure), the charger will re-start in the last selected mode once power is 
restored.

E. Charging Modes

There are 4 charging modes to choose from. Press the MODE button repeatedly to cycle through each 
of the regular modes. To select the special mode (RECONDITIONING), hold the MODE button for 3 
seconds. Charging will automatically begin about 5 seconds after the charge mode has been selected.

NOTE: The battery charger will retain the last selected mode in memory. In the event AC power is 
disrupted (e.g., power failure), the charger will re-start in the last selected mode once power is 
restored.

12V

12V

BATTERY TYPE

NORMAL (14.4 V)

AGM (14.8 V)

GEL (14.1 V)

EXPLANATION

For charging 12-volt Wet (flooded), Maintenance-free (MF), Calcium (Ca) and 
Enhanced Flooded (EFB) batteries as well as many AGM batteries.

For charging some 12-volt AGM batteries

.

For charging most Gel batteries

.

For best results, check the charging recommendations on your battery or consult with the battery manufacturer.

MODE

2A

8A

15A

EXPLANATION

Battery Capacity Range

Charging

Maintenance

For charging small to medium 12 V lead-acid batteries.

10 to 50 

Amp-hour

30 to 160 

Amp-hour

50 to 300 

Amp-hour

10 to 300

Amp-hour

10 to 400 

Amp-hour

30 to 500

Amp-hour

50 to 500 

Amp-hour

Not applicable

For charging medium to large 12 V lead-acid batteries.

For faster charging of large to extra large 12 V lead-acid 
batteries.

For reconditioning 12 V lead-acid batteries suffering from 
capacity loss due to sulphation or stratification. USE 
WITH CAUTION—see instructions and precautions under 
Using Reconditioning Mode.

CONTROLS AND INDICATORS

C.         

Charge Status Indicator

A blinking LED indicates the battery is charging. A solid LED indicates charging is complete and 
battery charger has entered the Maintain stage. (See "UNDERSTANDING the MULTI-STAGE 
CHARGING PROCESS" section.) 

Amber (solid)—No battery detected. Check to ensure that clamp connections to the battery posts are 
clean and solid. If connections are good, the battery is severely discharged (<1.5 V) and may be unsafe to 
charge. The battery should be tested or replaced. (NOTE: “888” will also appear on the digital display)

Red (blinking)—A fault has been triggered and charging has been aborted. Check the digital display for a 
Fault Code and see “Troubleshooting/Fault Codes” for possible causes and solutions.

Red (solid)—Reverse polarity has been detected. Reverse clamp connections.

B.        

Fault/Error Indicator

This LED will light up if the charger detects a problem and can not proceed with charging.

®/MD

Summary of Contents for 011-1973-2

Page 1: ...Model no 011 1973 2 Battery Charger INSTRUCTION MANUAL IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important safety and operating instructions MD ...

Page 2: ...6 3069523 Read and understand this instruction manual thoroughly before using the product It contains important information for your safety as well as operating and maintenance advice Keep this instruction manual for future use Should this product be passed on to a third party this instruction manual must be included This MotoMaster Nautilus product carries a three 3 year warranty against defects ...

Page 3: ...lified serviceman DO NOT disassemble the charger Take it to a qualified service professional if service or repair is required Incorrect assembly may result in fire or electric shock To reduce risk of electric shock unplug charger from outlet before attempting any maintenance or cleaning Turning off controls will not reduce this risk WORKING IN THE VICINITY OF A LEAD ACID BATTERY IS DANGEROUS BATTE...

Page 4: ...r sheet metal body parts Connect to a heavy gauge metal part of the frame or engine block For positive grounded vehicle connect NEGATIVE BLACK clip from battery charger to NEGATIVE NEG N ungrounded post of battery Connect POSITIVE RED clip to vehicle chassis or engine block away from battery Do not connect clip to carburetor fuel lines or sheet metal body parts Connect to a heavy gauge metal part ...

Page 5: ...e leather and plastic A Digital Display During charging the digital display will alternate between Volts V Amperage A and Battery State of Charge It can also display Fault Codes if a charging error is detected Volts Actual charging voltage will be displayed Charging voltage can reach up to 14 4 V this is normal and required to effectively charge a 12 volt battery Amps Actual charging amperage will...

Page 6: ...ery manufacturer MODE 2A 8A 15A EXPLANATION Battery Capacity Range Charging Maintenance For charging small to medium 12 V lead acid batteries 10 to 50 Amp hour 30 to 160 Amp hour 50 to 300 Amp hour 10 to 300 Amp hour 10 to 400 Amp hour 30 to 500 Amp hour 50 to 500 Amp hour Not applicable For charging medium to large 12 V lead acid batteries For faster charging of large to extra large 12 V lead aci...

Page 7: ...p to reverse the affects of sulphation and stratifica tion restoring lost battery capacity To maximize battery life and performance Recondition your battery once per year or after deep discharges For best results take the battery through a normal full charge cycle before using this mode A Reconditioning charge can take up to 4 hours to complete CAUTION USE THIS MODE WITH CARE RECONDITIONING USES A...

Page 8: ...zing battery performance and battery life STAGE 5 ANALYZE Tests if battery is holding charge STAGE 6 MAINTENANCE Monitors battery voltage and provides top up charging when necessary to keep battery fully charged If necessary th The charger does not detect a battery connected to it The battery voltage is less than 10 V after some time charging Battery voltage is too high The battery is defective A ...

Page 9: ...L x W x H Weight 120 V AC 60 Hz 104 127 V AC 60 Hz 6 5 A max NORMAL 14 4 V RECONDITIONING 15 8 V AGM 14 8 V GEL 14 1 V CHARGING 2 8 15 A 1 5 V 20 to 40ºC 4 to 104ºF 6 step fully automatic 12 V nominal All lead acid Wet MF Ca AGM and Gel Charging 10 to 300 Amp hour Maintenance 10 to 500 Amp hour 7 7 8 x 4 15 16 x 8 11 16 20 x 12 5 x 22 cm 2 lb 9 oz 1 15 kg TECHNICAL SPECIFICATIONS The battery does ...

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