Chamberlain DH Wiring Diagram page 4

IMPORTANT NOTES:
1. The 3-Button Control Station provided must be connected for operation.
2. If a STOP button is not used, a jumper must be placed between
terminals 3 and 4.
3. Auxiliary control equipment may be any normally open two wire device
such as pullswitch, single button control station, loop detector, card key or such device.
3 BUTTON STATION OR 3 POSITION KEYSWITCH WITH SPRING RETURN TO CENTER AND STOP BUTTON
STANDARD
1 2 3
Open
Close
Stop
ALL CONTROL WIRING TYPES
2 BUTTON STATION OR 3 POSITION KEYSWITCH WITH SPRING RETURN TO CENTER
STANDARD
1 2 4
SEE NOTE #2
Open
Close
ALL CONTROL WIRING TYPES
SENSING DEVICE TO REVERSE OR STOP
ALL CONTROL WIRING TYPES
01-16492C
CONTROL CONNECTION DIAGRAM
4
1
3 10
Sensing Device
© 2008, The Chamberlain Group, Inc.
2 OR MORE
1 2 3 4
Open Open
Close Close
Stop Stop
ALL CONTROL WIRING TYPES
2 OR MORE
2 4
SEE NOTE #2
Open Open
Close Close
ALL CONTROL WIRING TYPES
4
All Rights Reserved
ATTENTION ELECTRICIAN:
USE 16 GAUGE OR HEAVIER WIRE
FOR ALL CONTROL CIRCUIT WIRING.
KEY LOCKOUT
1
ALL CONTROL WIRING TYPES
1 BUTTON STATION OR
ANY AUXILIARY DEVICE
3
Open / Close
WIRING TYPES ONLY
EXTERNAL INTERLOCK
Remove Jumper
When Interlock is Used
5
One
ALL CONTROL WIRING TYPES
2 3 4
Open
Close
Stop
Keyswitch
7
SEE NOTES
#2 AND #3
B2 OR T1
4 5
2 or More