!WARNING!
GROUNDING AND AC POWER CORD CONNECTION INSTRUCTIONS:
This charger must be grounded to reduce risk of electric shock. It is equipped with an electric cord having an equipment-grounding
conductor and a grounding plug. The plug must be plugged into an outlet that is properly installed and grounded in accordance with
all local codes and ordinances.
DANGER: Never alter the AC cord or plug provided. If it will not fit the outlet, have a proper outlet installed by a qualified electrician.
An improper connection can result in a risk of an electric shock.
DANGER: Never use a two-pole adapter with the charger. It must have a grounded plug.
CHARGING GUIDELINES:
This battery charger must be connected to a 12- or 24-volt battery before it will initiate charge routine. Do not attempt to verify
operation by connecting a voltmeter only to the positive and negative leads. (Unit will not start charge until sensing circuitry verifies
a battery is present.)
If necessary to remove battery from vehicle to charge, always remove the grounded terminal from battery first. Make sure all
accessories in the vehicle are off to avoid the chance of spark. Be sure the area around the battery is well ventilated while it is being
charged. Gas can be fanned away by using a piece of cardboard or other non-metallic material as a fan.
Clean the battery terminals thoroughly. Be careful to keep corrosion from coming in contact with your eyes. Add distilled water in
each cell until battery acid reaches the proper level. This helps purge excessive gas from the cells.
Do not overfill. Since the acid will expand during charging, add only sufficient water to cover the plates.
For a battery without cell caps, follow the manufacturer’s recharging instructions. Refer to the instructions regarding removing or not
removing cell caps while charging, and the recommended rates of charge.
When charging in a vehicle, all electrical switches such as lights, radio, heater, ignition, etc., should be turned off.
Charge will terminate when charge current drops below 1 Amp.
If battery is connected in reverse, alarm will sound. Use guidelines posted inside lid to select proper extension cord.
Indicators:
Ammeter shows charge being delivered to battery.
Red LED: Pulsing is being applied to battery
Green Power LED: Unit is switched on and powered
Green 12V Charge: Unit detects a 12 Volt battery
Green Charge Complete LED: Battery has been charged, unit is ready for next battery
Yellow 24V Charge LED: Unit detects 24 Volt battery
CHARGING FAQ’S
1. Does the charger work on all lead acid automotive type batteries?
Yes! The Pro-HD will work on all lead acid batteries, to include GEL and Absorbed Glass Mat (AGM) style batteries.
2. I properly connected the Pro-HD and it cycles on a few seconds to a minute and the charge complete light comes on, but
my batteries are not charged.
When the charger cycles on and off very quickly it usually indicates a problem with the battery or batteries the Pro-HD is connected
too. It can be anything from heavy sulfate build up to shorting between the plates. Test each battery to be charged to identify bad or
shorted batteries that should not be charged.
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