INSTALLATION
10.If installing in a system which in- cludes an existing battery charger or con- verter, make sure these do not operate from the inverter output AC power. This sets up a power loop which, due to ineffi- ciencies, will quickly drain the batteries.
11.Make sure all wiring conforms to local and national electrical codes. If in doubt, consult with a qualified electrician.
12.Keep the overall length of each battery cable less than 10 feet. If needed, attach short extension cables. Do not use frame ground or a ground bonding system as a current carrying conductor. Run the negative cable directly to the battery bank. If the positive and negative cables run parallel to each other, twist the cables together. This will minimize the adverse effects of inductance.
13.To meet electrical codes, a fuse must be installed in the positive battery cable within 18 inches of the battery post. This fuse is intended to protect the battery and cables against a dead short circuit. The inverter is protected internally and will not blow a properly sized fuse.
14.DC wiring is generally very simple, the positive and negative cables from the inverter/charger are connected to the house or auxiliary battery. In the case of multiple batteries the interconnecting jumper cables must be of the same AWG as those sup- plied with the inverter/charger.
15.If multiple battery banks are to be charged, a battery selector switch can be installed, allowing the banks to be charged either individually or simultaneously. A solenoid can also be used.
WARNING
Do not mount the unit in an enclosed battery compartment. Take precautions to keep road dirt and spray off the unit.
Grounding
For safety purposes, the chassis of the inverter/charger must be connected to your AC ground system. The chassis ground bonding lug is located on the bottom of the unit. This connector can accept two wires, the first is used to connect the unit to AC ground, the second can be used to connect other AC equipment to ground.
Use bare copper insulated wire, solid or stranded. Strip one end and use a screw- driver to secure it to the chassis ground bonding lug. This wire will connect to the ground in your AC electrical system, typi- cally the vehicle chassis. Make sure the connection is clean and tight.
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