User's Manual
Table Of Contents

Maintenance and Troubleshooting
R900 Wall and Pit MIU Installation and Maintenance Guide 31
Cutting and Splicing the Battery Wires
1 As close to the battery casing as possible, cut the battery
connection wires one at a time. See
Figure 41.
2 Insert battery wire left in MIU ensuring insulation has not
been compromised.
Figure 41 Cutting the Battery Connection
3 Use Scotchlok to splice the wires from the new battery
casing to the wires that were connected to the old battery
casing. See
Figure 42.
Figure 42 Splicing the New Battery
4 Be sure to carefully position wires and Scotchloks into
compartment in space available next to battery as shown
in
Figure 43, making sure the wires are not pinched when
the battery is snapped into the MIU housing.
Figure 43 Location of Toroid
Cutting the battery connection wires one at a time
prevents shorting.
Ensure the R900 MIU’s black wire is connected to the
black wire on the new battery (-) and the red wire is
connected to the red wire on the new battery (+).