3
WIRING THE DC FUSE BOARD
Make sure the converter/charger is OFF and the house battery is disconnected before
beginning the DC wiring. Determine what DC loads are to be connected to the fuse board and
what position they will occupy. For the WF-7910 and WF-7910-Q models, any of the fuse circuits
can be used for slide-outs or other higher current loads and can have a maximum 30 Amp ATO
or ATC fuse installed. As for the WF-7910-WAGO model, there are 3 available circuits that can be
used for slide-outs or other higher current loads and can have a maximum 30 Amp ATO or ATC
fuse installed, while the remaining 14 circuits are general purpose and can have up to a 20 Amp
ATO or ATC fuse installed. Make sure the fuses are seated properly.
NOTE:
Fused circuit loads shall not exceed the maximum circuit board rating of 160Amps DC.
For all models having lug screw connections, strip approximately 1/4” of insulation from the DC
load wires and insert the wire into the appropriate lug. Tighten the lug screw to the torque spec
found in the table below. Make sure all connections are tightly secured.
NOTE:
DC power coming to the WF-7910 Series 12V Power Converter Accessory needs to have
the correct size fuse (160A maximum) for the gauge of wire and could be routed in one of
two ways.
1. Power could be coming directly into the WF-7910 Series 12V Power Converter Accessory
fuse board from the converter/charger. The battery (if supplied) would also connect to the
fuse board.
2. Power from the converter charger would be connected directly to the battery. A cable from
the battery would be connected to the fuse boards input lugs.
WE’LL USE THE FIRST CONNECTION METHOD IN OUR DISCUSSION BELOW
Connect the heavy Positive wire coming from the converter/charger to one of the POS+ larger
lugs of the fuse board. In a similar fashion, connect the heavy Negative wire from the converter/
charger to the NEG- buss bar mounted on back up to 4 AWG. Make sure the lugs are tightened
to the specs in the torque chart located on the inside of the door assembly. Connect the battery
Positive cable to the remaining POS+ large lug making sure it is torqued properly. The Negative
battery lead will be connected to the buss bar mounted on back up to 4 AWG.
As a last step, any DC negative leads should be connected to the rear Negative bus bar located
on the back of the panel.
Terminal Description
Max Temperature (°C)
Torque - (in.-lbs.) Wire Gauges - (AWG)
Terminal Bars -
90
25
10-14 AWG Wire
Neutral
30
8 AWG Wire
35
6 AWG Wire
40
4 AWG Wire
DC Fuse Panel Lugs -
75
25
10 AWG Wire
POS+
32
8 AWG Wire
45
6 AWG Wire
50
2-4 AWG Wire
DC -
75
15
14-16 AWG Wire
Single Circuit Terminals
20
12 AWG Wire
Optional 12 NEG Reference
25
10 AWG Wire
