LiftMaster Dial Code Dial Code Controller Manual - Page 9
Grounding The Unit - usa
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GROUNDING THE UNIT Chassis Ground TEL L NE RS 485 (1) RS 485 (2) RS 485 (3) RS 485 (4) TIP R NG (+) () GND (+) () GND (+) () GND (+) () GND 12V AC DC POWER INPUT DOOR NO DOOR NC DOOR C GATE NO GATE NC GATE C VCR NO VCR C GND INPUT CHASSIS GROUND DOOR RELAY GATE RELAY VCR RELAY POSTAL/EXIT SW INPUT It is MANDATORY that this unit is properly grounded. The provided "chassis ground" wire must be connected to the ground rod. If unit is not grounded, lightning damage will occur. Please refer to the owners manual for proper grounding instructions. eliteentryphone com MADE N USA POWER GATE RELAY DOOR RELAY Ground Rod Refer to the next page for ground rod installation. CU Page 8 It is MANDATORY that this unit is properly grounded. The provided "chassis ground" wire must be connected to the ground rod. If unit is not grounded, lightning damage will occur.
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