Installation Guide

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 Clean battery terminals. Be careful to keep corrosion from coming in contact with eyes.
 Study all battery manufacturer’s specific precautions such as removing or not removing
cell caps while charging and recommended rates of charge
 Add distilled water in each cell until battery acid reaches level specified by battery
manufacturer. This helps purge excessive gas from cells. Do not overfill. For a battery
without cell caps, carefully follow manufacturer’s recharging instructions.
8. MARINE UNIT LOCATION
 Locate marine unit away from battery in a separate, well ventilated compartment.
 Never place marine unit directly above battery; gases from battery will corrode and
damage marine unit.
 Never allow battery acid to drip on marine unit when reading gravity or filling battery.
 Do not operate marine unit in a closed-in area or restrict ventilation in any way.
9. DC CONNECTION PRECAUTIONS
Connect and disconnect DC output connections only after setting any marine
unit switches to off position and removing AC cord from electric outlet or
opening AC disconnect.
10. EXTERNAL CONNECTIONS TO CHARGER SHALL COMPLY WITH THE UNITED STATES COAST
GUARD ELECTRICAL REGULATIONS (33CFR183, SUB PART I).
11. GROUNDING INSTRUCTIONS – This marine unit should be connected to a grounded,
metal, permanent wiring system; or an equipment-grounding conductor should be run with
circuit conductors and connected to equipment-grounding terminal or lead on unit.
Connections to unit should comply with all local codes and ordinances.
7. Warranty
We guarantee this product against defects in materials and workmanship for a period of 24 months from the
date of purchase and will repair or replace any defective Combi units if you directly returned them to us with
postage paid.
This warranty will be considered void if the unit has been misused, altered, or accidentally damaged. COTEK
is not liable for anything that occurs as a result of the user’s fault.