Chamberlain DH - Control Connection Diagram; 3 Button Station or 3 Position Keyswitch; 2 Button Station or 3 Position Keyswitch; 1 Button Station or Any Auxiliary Device

© 2008, The Chamberlain Group, Inc.
01-16492C All Rights Reserved
CONTROL CONNECTION DIAGRAM
3 BUTTON STATION OR 3 POSITION KEYSWITCH WITH SPRING RETURN TO CENTER AND STOP BUTTON
2 OR MORE KEY LOCKOUT
1 2 3 4
Stop
Close
Open
Stop
Close
Open
1 2 3 4
Stop
Close
Open
2 BUTTON STATION OR 3 POSITION KEYSWITCH WITH SPRING RETURN TO CENTER
STANDARD
1 2 4
Close
Open
ALL CONTROL WIRING TYPES
2 OR MORE
1 2 4
Close
Open
Close
Open
Open / Close
3
7
1 BUTTON STATION OR
ANY AUXILIARY DEVICE
EXTERNAL INTERLOCKSENSING DEVICE TO REVERSE OR STOP
3
10
4
5
4
5
Remove Jumper
When Interlock is Used
One 2 or More
STANDARD
1 2 3 4
Stop
Close
Open
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.
Keyswitch
Sensing Device
ALL CONTROL WIRING TYPES
B2 OR T1
WIRING TYPES ONLY
ALL CONTROL WIRING TYPESALL CONTROL WIRING TYPES
ALL CONTROL WIRING TYPES
ALL CONTROL WIRING TYPESALL CONTROL WIRING TYPES
ATTENTION ELECTRICIAN:
USE 16 GAUGE OR HEAVIER WIRE
FOR ALL CONTROL CIRCUIT WIRING.
SEE NOTE #2SEE NOTE #2 SEE NOTES
#2 AND #3