Chamberlain BG790 User Manual
Page 2
2
Contents
Doc 01-G0674
Rev E
Contents
General Product Information _______________________________________________ 4
Specifications _______________________________________________________________________ 4
Safety Instructions ________________________________________________________ 6
Before Installation ____________________________________________________________________ 6
During Installation____________________________________________________________________ 6
After Installation _____________________________________________________________________ 7
Preparing the Installation __________________________________________________ 8
Unpack Carton_______________________________________________________________________ 8
Preparing the Site ____________________________________________________________________ 9
Preparing the Operator _______________________________________________________________ 10
Installation _____________________________________________________________ 11
Step 1:
Mounting __________________________________________________________________ 11
Step 2:
Arm
Fabrication _____________________________________________________________ 12
Step 3:
Wiring
Connections __________________________________________________________ 13
Step 4:
Arm
Attachment _____________________________________________________________ 14
Step 5:
Arm and Turnbuckle Shaft Adjustments __________________________________________ 16
Step 6:
Limit Switch Adjustments _____________________________________________________ 18
Optional Accessories _____________________________________________________ 19
Vehicle Detectors ___________________________________________________________________ 19
Radio Controls______________________________________________________________________ 19
Card Readers, Keypads, or other________________________________________________________ 20
Operating Instructions ____________________________________________________ 21
Electrical Operation__________________________________________________________________ 21
Manual Operation ___________________________________________________________________ 21
Troubleshooting _________________________________________________________ 22
1. Power___________________________________________________________________________ 22
2. Accessories ______________________________________________________________________ 23
3. Primary Voltage Circuit ____________________________________________________________ 23
4. Low Voltage Circuit _______________________________________________________________ 24
General Reference Information_________________________________________________________ 25