Control Connection Diagram - Chamberlain LiftMaster Professional BG770 Owner's Manual

IT IS IMPORTANT TO READ ALL SAFETY RULES INCLUDED IN THE INSTALLATION MANUAL BEFORE
BEGINNING INSTALLATION. FAILURE TO COMPLY WITH THE SAFETY INSTRUCTIONS MAY RESULT
IN SERIOUS PERSONAL INJURY OR PROPERTY DAMAGE.
CONTROL WIRING
SENSING EDGE
OPEN BUTTON
OR OTHER
OPEN CONTROL
ELECTRICAL CABINET
WARNING 115V
ACCESSORIES
(SEE NOTE #5)
(0.2A MAX)
LOOP DETECTORS BY OTHERS
CONNECTIONS FOR LOOP DETECTORS
NOT SUPPLIED BY THE FACTORY
PRESENCE CONTACT OF
LOOP TO OPEN
LOOP WIRES AND POWER FOR LOOP DETECTORS
SHOULD BE DIRECTLY WIRED TO DETECTOR ITSELF.
REFER TO INSTRUCTIONS ACCOMPANYING DETECTOR.
NOTES:
1) REMOVE THIS JUMPER TO CAUSE GATE ARM TO CLOSE IMMEDIATELY WHENEVER IT IS OPENED, UNLESS A VEHICLE IS ON THE
HOLD OPEN LOOP. IF THIS JUMPER IS NOT REMOVED, ARM WILL REMAIN OPEN UNTIL A VEHICLE ENTERS AND EXITS THE HOLD
OPEN LOOP.
2) ADD JUMPER FROM TERMINAL #8 TO #9 WHENEVER CLOSE BUTTON IS USED. DO NOT USE WITH HOLD OPEN LOOP.
3) 115V UTILITY OUTLET (4 AMP MAX.) PROVIDED ON 115V MODELS ONLY.
4) SEE REVERSE SIDE FOR INTERNAL OPERATOR WIRING.
5) DO NOT CONNECT INPUT POWER LINES TO L1 & L2 TERMINALS. POWER LINES MUST BE CONNECTED TO THE POWER SWITCH.
C O N T R O L C O N N E C T I O N D I A G R A M
SEE
NOTE #1
CLOSE BUTTON
SEE NOTE #2
OPEN HOLD OPEN
LOOP
LOOP
LOOP WIRE CONNECTIONS FOR
FACTORY SUPPLIED (PLUG-IN)
DETECTORS ONLY
PRESENCE CONTACT OF
LOOP TO HOLD OPEN
MANUAL
OPEN
SEE NOTE #2
23
LINE VOLTAGE SUPPLY
ON
SWITCH
(BK)
OFF
(W)
115V
OUTLET
SEE
NOTE #3
(GN)
1 PHASE
INCOMING LINE (SEE NOTE #5)
(W)
SWITCH
(BK)
ON
(R)
OFF
(GN)
3 PHASE
INCOMING LINE (SEE NOTE #5)
RADIO CONTROL
CONNECTIONS FOR STANDARD
3-WIRE 24 VAC RADIO CONTROL
RADIO CONTROL WILL OPEN GATE
AND REVERSE IF CLOSING. IT WILL
NOT STOP OR CLOSE THE GATE.