LiftMaster T T- Mechanical New style with thermal overload Manual - Page 20

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) Auxiliary control equipment may be any normally open two wire device such as pullswitch, 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 STANDARD 1234 2 OR MORE 1234 KEY LOCKOUT 1234 Open Close Stop Open Close Stop Open Close Stop Open Close Stop Keyswitch ALL CONTROL WIRING TYPES ALL CONTROL WIRING TYPES 2 BUTTON STATION or 3 POSITION KEYSWITCH w/ SPRING RETURN TO CENTER STANDARD 124 2 OR MORE 124 SEE NOTE #2 SEE NOTE #2 ALL CONTROL WIRING TYPES 1 BUTTON STATION or ANY AUXILIARY DEVICE 37 SEE NOTES #2 AND #3 Open Close ALL CONTROL WIRING TYPES Open Open Close Close ALL CONTROL WIRING TYPES OPEN / CLOSE B2 or T1 WIRING TYPES ONLY SENSING DEVICE TO REVERSE OR STOP RESIDENTIAL RADIO CONTROLS 3 10 *OPEN TIMER TO CLOSE R1 R2 R3 EXTERNAL TERMINAL BLOCK Sensing Device RADIO CONTROL ALL CONTROL WIRING TYPES TIMER TO CLOSE w/ WARNING LIGHT ALL CONTROL WIRING TYPES * T1 WIRING - RADIO TO OPEN ONLY EXTERNAL INTERLOCK Warning Light will activate 15 sec. before door closes. 11 12 13 14 Auxiliary Terminal Block Remove Jumper When Interlock is Used 4 5 4 5 Timer Defeat Switch Power Supply for Warning Light T1 CONTROL WIRING ONLY ONE 2 OR MORE ALL CONTROL WIRING TYPES 01-30970A ©2004, The Chamberlain Group, Inc. All Rights Reserved