UNITS WITHOUT ENCLOSURE
The wires from the terminals labeled DK1 and DK2 on the battery charger must be connected across the starter motor. One lead must go to ground and the other must go to the starter motor (or the 'switched' B+ on the Starter Solenoid). DK1 and DK2 are not polarity sensitive and are therefore interchangeable with one another.
Wires from the terminals labeled B+ and B- on the Battery Charger go to the battery on the generator set. B+ goes to the positive post of the battery and B- goes to the negative post on the battery.
It is important, not only functionally, but also for safety reasons that the Generator set, transfer switch and battery charger share a common Ground and neutral.
To determine the proper type and gauge of wire to use for connecting the generator set, transfer switch, and battery charger together, you should consult a local licensed electrician.
Page 15 of 45