FAAC 885, Instructions For The Use

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17
Battery Back Up System
When installed, this system will provide battery power in
the event of a loss of AC power. How it will function
depends on two things:
1. Which logic you are running in (A, EP, or C).
2. If you choose “Y” or “n” for the AO (Automatic
Open) function in the programming of the
885CAT control panel.
If you are running in A or EP mode it will function as
follows:
Automatic Open enabled (select Y for the AO function
of the programming)
When AC power fails, the battery back up instantly
sends power to the control panel. The gate opens after a
short delay and remains open. Once power returns, one
of two things will happen, depending on whether you
have the AC (Automatic Close) function enabled or
disabled. If you have chosen “Y” for the AC function,
the gate will close automatically. If you have chosen “n”
for the AC function, the gate will remain open, but be
ready for a close signal.
Automatic Open disabled (select “n” for the AO
function of the programming)
When AC power fails, the battery back up instantly
sends power to the control panel and it is ready for an
open signal. If a signal is not received right away, the
panel “sleeps” until a signal is received. A signal will
wake the system up and open the gate. In this mode
(Automatic Open disabled), you can continue to open
and close the gate as long as the batteries are charged.
Whether you are running in A or EP logic under normal
power makes no difference. When running on battery
power, the gate will operate in EP mode. The number of
cycles that you can run with fully charged batteries will
depend on the length of your gate.
If you are running in C mode it will function as follows:
Whether you have the Automatic Open (AO) function
enabled or disabled makes no difference. When AC
power fails, the gate will not automatically open. The
battery back up instantly sends power to the control
panel and it is ready for an open signal. You can open
the gate one time and then the back up will shut down
until AC power is restored.
When running on battery power the photobeams will
function normally in any logic. The inherent entrapment
will function, although slightly different than under
normal AC power. If the gate is obstructed while
running under battery power, it will stop and the alarm
will sound. Another open signal will silence the alarm
and the gate will continue in the same direction
.
Battery Back Up Installation
WARNING! Turn the main power to the operator
off before performing any of the tasks involved in
installing the battery back up system. This
installation should be performed by qualified
personnel only. When you open the battery back up
system, the box should contain the following:
1- DC Motor
1- Battery back up control panel
2- 12-volt batteries
1- Cross brace for operator chassis
1- Battery tray
1- Set of battery wires
1- 6-wire interface cable
1- 8-wire ribbon cable
1- Drive belt
4- M6 x 20mm carriage bolts
8- M6 flat washers
8- M6 self-locking nuts
1- Pulley
1- M4 x 12mm bolt
1- M4 fender washer
1- Feather key
2- 16mm wire chase nipples
4- Snap-in standoffs
2- M8 x 20mm hex bolts
2- M8 self-locking nuts
The tools needed for installing the battery back up
system are as follows:
3mm Allen wrench
Small flat blade screwdriver
10 mm Socket
13 mm socket
13 mm open end wrench
To install the battery back up system, follow the steps
below and refer to figures 10 and 11.
1. If you haven’t done so already, turn off the main
power.
2. Remove the existing drive belt.
3. Mount the DC motor in the location shown in
figure 11. Secure it with 4 each of the 6mm flat
washers and self-locking nuts.
4. Run the DC motor wires through the wire chase
directly above the DC motor. If there is not a
plastic nipple already installed in the hole, insert
one of the 16mm chase nipples that was provided
with the system. Reach in the left side of the
operator, under the control panel tray to grab the
wires and feed them up into the control panel area.