INSTALLATION
Mounting the Battery Backup System (BBU) can be done using one of
two methods. The BBU can be mounted directly on top of the motor unit
or it can be secured on a structural support just above it.
1. Mounting the BBU Directly to the Motor Unit.
•
Position the BBU on top of the motor unit. Make sure the motor unit
power cord is drawn out from beneath the BBU. The BBU should sit
firmly on top of the motor unit. Adjust angle iron placement so that it
is out of the way of the BBU’s installation (Figure 1).
• Align the two screw slots on the BBU to the back chassis holes.
• Secure the BBU to each side of the chassis flanges with 3/4" screws
provided.
2. Mounting the BBU Directly to a Structural Support.
• After the motor unit has been installed, the BBU can be mounted to
either the ceiling or a wall within 3' (.9 m) of the motor unit.
• Position the BBU as desired to a structural support (ceiling joist or
wall stud) (Figure 2).
• Attach the BBU to the support using the mounting holes on either side
of the BBU.
• Secure the BBU using the 1-1/2" lag screws (provided).
3. Connect the BBU to the Motor Unit.
• Disconnect the motor unit from the electrical outlet.
• Connect the BBU cord into the connector on the end panel on the
motor unit. Connect the motor unit to the electrical outlet. The BBU
will activate and all LEDs will turn on for 3 seconds.
• The green LED will begin flashing, indicating the BBU is charging from
the motor unit.
IMPORTANT NOTE: Installation of BBU when permanent electrical power
is not available (such as new construction and the electricity is not
installed) may damage the batteries. Unplug BBU after testing to prevent
damage.
Battery Backup System
Model 475LM
To prevent possible SERIOUS INJURY or DEATH from electrocution,
disconnect ALL electric and battery power BEFORE performing ANY
service or maintenance.
ALWAYS wear protective gloves and eye protection when changing the
battery or working around the battery compartment.
Side Screw
Slots for
Chassis Mount
Battery Backup
System (BBU)
Holes for
Ceiling Mount
Lag Screw
1-1/2"
Structural
Supports
Lag Screws
1-1/2"
Power Cord
3/4" Screw
3/4" Screw
Power Cord
BBU Cord
BBU
Connector
BBU Cord
475LM Battery
Backup System (BBU)
475LM Battery
Backup System
(BBU)
Bring Power Cord
out left side slot
Bring BBU Cord out right
side slot away from Antenna
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