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VEC1087 A

REV101103

5

CONTROLS AND INDICATORS

There are four (4) LED indicators and one button switch (select charge rate) that make up the controls and indicators for this
charger. Refer to FIGURE 3. Three vertical bar LEDs indicate the selected charge rate. A zero charge rate is indicated by "unlit"
Charge Rate LEDs. There is no charger output when all LEDs bars are unlit the charger is not charging. Pressing the 2/6/10A
switch selects the desired charge rate. Four lit LEDs indicate the following:

Power

- When lit indicates AC is applied to the charger.

Charging Complete

- Indicates the battery is fully charged.

Fault

- Indicates one or more abnormal conditions including Reverse Polarity.

(If the Fault LED lights, refer to TROUBLESHOOTING for details)

Rev.

- Lights when clamps are incorrectly connected to battery terminals. 

OPERATION:

Once clamps are connected, AC is connected and there is no reverse polarity condition, press the 2/6/10A button switch
and the charger will begin charging at 2 Amps. Pressing the 2/6/10A switch a second time will advance the charge rate
to 6A, then 10A. Pressing the button switch again will turn OFF the charger output and all LED bars will be "unlit." To
return to 2A press the Charge Rate button switch. This charger has three user selected charge rates 2, 6 and 10 amps.
Pressing the 2/6/10A switch button selects the desired charge rate. The selected Charge Rate is indicated by a lit vertical
LED bar.

NOTE: 

Each time the charger rate is changed, the charger sounds a beep. The only time the selected charge rate does
not display at the full selected rate is when the battery is nearly full and charging at either steps two or three. The
display will be showing a slowing charge rate. To return to 2A, press the 2/6/10A button. When the battery is
fully charged, the “Charging Complete” LED is lit.

Charging Complete

Fault LED

Reverse Polarity LED

2/6/10A

Charge Rate

Button Switch

10A LED

INDICATOR

6A LED

INDICATOR

2A LED

INDICATOR

• Small 12-volt DC batteries such as those used in motorcycles, garden tractors, ATVs, jet skis, and snowmobiles can be

damaged by high charge rates.

ALWAYS select the 2 Amp setting to charge this type of battery. For slower charging time on larger batteries, select 
the 2 Amp setting.

FIGURE 2 

Summary of Contents for VEC1087 A

Page 1: ...rather than cord when disconnecting charger 4 An extension cord should not be used unless absolutely necessary Use of an improper extension cord could result in a risk of fire and electric shock If extension cord must be used make sure a That pins on plug of extension cord are the same number size and shape as those of plug on charger b That extension cord is properly wired and in good electrical ...

Page 2: ...plug The plug must be plugged into a properly installed and grounded 110 120VAC outlet in accordance with all local codes and ordinances See Figure 1 This battery charger is for use on a 110 120VAC circuit and has a grounding plug that looks like the plug shown in FIGURE 1A If a properly grounded outlet is not available a temporary adapter like the adapter shown in FIGURE 1B may be used to connect...

Page 3: ...let 2 Never allow clamps to touch each other 3 Attach clamps to battery posts and check for secure connection This will hold clamps securely on terminals and helps to reduce risk of sparking FOLLOW THESE STEPS WHEN BATTERY IS INSTALLED IN VEHICLE A SPARK NEAR BATTERY MAY CAUSE BATTERY EXPLOSION TO REDUCE RISK OF A SPARK NEAR BATTERY a Position AC and DC cords to reduce risk of damage by hood door ...

Page 4: ...ion regulation charge the charging voltage remains constant while the actual charging current is reduced to allow for the maximum proper internal chemical energy transfer 3 Stage Three Top Off Charge voltage is automatically maintained and reduced to a predetermined level while current is adjusted for a safe effective 100 battery charge step down regulation mode This is ideal for topping off batte...

Page 5: ... a second time will advance the charge rate to 6A then 10A Pressing the button switch again will turn OFF the charger output and all LED bars will be unlit To return to 2A press the Charge Rate button switch This charger has three user selected charge rates 2 6 and 10 amps Pressing the 2 6 10A switch button selects the desired charge rate The selected Charge Rate is indicated by a lit vertical LED...

Page 6: ...n charging is completed disconnect cables and clamps in reverse order from which they were connected NOTE Use of Extension Cords When using an extension cord observe the following important safety information Before using any extension cord ensure that the wire size is at least 14 AWG for up to 100 feet and 12 AWG for longer than 100 feet Use only a good quality good condition UL approved extensio...

Page 7: ...size g When charging is complete disconnect cables and clamps in reverse order from which they were connected CHARGING TIMES The VEC1087 A fully automatic battery charger will automatically adjust the charge rate as the battery charges and stops charging when the battery is fully charged If you require some estimate of the time it takes to charge a battery refer to Appendix A page 9 for these deta...

Page 8: ...sulfated Sulfated batteries cannot accept a high rate of charge since the internal plates are coated with lead sulfate To see if a battery in this condition can be saved take it to a service station or battery distributor for professional evaluation and service INTERNAL SHORT CELL BATTERY If the battery being charged has an internal shorted cell the FAULT LED will light If FAULT LED light comes on...

Page 9: ...F CHARGE 75 50 25 0 2 AMPS 7 HRS 13 HRS NR NR 6 AMPS 2 5 HRS 5 HRS 7 HRS 9 HRS 10 AMPS 1 5 HRS 3 HRS 4 HRS 5 HRS Not recommended The times shown in the chart above are approximate and refer to an average automotive battery For smaller batteries the charge time should be adjusted using the formula shown below and adding 1 hour to the time calculated To estimate charging time for a discharged batter...

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