Chamberlain Battery Charger SL930 User Manual

Addendum For  
SL930  
This addendum is to be used in conjunction with the owner’s manual. Refer to the manual for all mounting and  
wiring instructions with the exception of page 14. For page 14, follow instructions shown below.  
W I R I N G  
Figure 3  
CONTROL WIRING  
BATTERY BACKUP  
(Set same as RIGHT/LEFT  
switch on control board.)  
If the gate operator is already factory equipped with battery  
run, only the Right/Left Side switch and Mode 1 are supported  
(Figure 3). The Right/Left switch must to be set in the same  
position as the Right/Left switch on the main control board.  
(See page 22 for correctly setting the Right/Left switch on the  
control board.) Gate will continue to operate when power is lost.  
• NOTE: Mode 2 operation is no longer supported.  
INSTALLATION  
If the gate operator did not come from the factory equipped with  
battery run, field installation of battery run is very simple. The  
illustration at right shows additional wiring required for battery  
run that is not part of the standard wiring (Figure 4).  
Figure 4  
1. Disconnect power to gate operator.  
2. Disconnect the brown and red wires from terminals 13 and  
14 and insulate the ends of the wires.  
3. Secure the charger board to the main control board by  
attaching to the 14 screw terminal on the left side of the  
control board.  
4. Connect a green wire from terminal 2 to terminal 15 of the  
control board.  
5. Attach an orange wire from terminal D of the charger board  
to terminal 18 of the main control board.  
6. Attach a red wire from terminal A to battery positive and a  
black wire from terminal B to battery negative.  
Disconnect these  
existing wires  
from 13 and 14.  
Existing  
Bridge  
Rectifier  
© 2008, The Chamberlain Group, Inc.  
All Rights Reserved  
01-34563  
 

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