LiftMaster MGJ MGJ Manual - Page 24

CONTROL CONNECTION DIAGRAM 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. When adding accessories, install them one at a time and test each one after it is added to ensure proper installation and operation with the Commercial Door Operator. 4. Auxiliary control equipment may be any normally open two wire device such as pull switch, single button, loop detector, card key or such device. ATTENTION ELECTRICIAN: USE 16 GAUGE OR HEAVIER WIRE FOR ALL CONTROL CIRCUIT WIRING. 3 BUTTON STATION or 3 POSITION KEYSWITCH w/ SPRING RETURN TO CENTER AND STOP BUTTON 1 BUTTON STATION or ANY AUXILIARY DEVICE STANDARD 1 234 2 OR MORE 1 234 KEY LOCKOUT 1 234 Open Close Stop ALL CONTROL WIRING TYPES Open Open Close Stop Close Stop ALL CONTROL WIRING TYPES Open Close Stop Keyswitch ALL CONTROL WIRING TYPES 2 BUTTON STATION or 3 POSITION KEYSWITCH w/ SPRING RETURN TO CENTER STANDARD 1 24 SEE NOTE #2 1 24 2 OR MORE SEE NOTE #2 37 SEE NOTES #2 AND #3 OPEN / CLOSE B2 WIRING TYPES ONLY SENSING DEVICE TO REVERSE OR STOP 3 10 Open Open Open Close ALL CONTROL WIRING TYPES Close Close ALL CONTROL WIRING TYPES EXTERNAL INTERLOCK (THREE PHASE ONLY) Sensing Device ALL CONTROL WIRING TYPES RESIDENTIAL RADIO CONTROLS Remove Jumper When Interlock is Used 4 5 4 5 R1 R2 R3 EXTERNAL TERMINAL BLOCK RADIO CONTROL ONE 2 OR MORE B2 WIRING TYPES ONLY 01-34404C © 2008, The Chamberlain Group, Inc. All Rights Reserved