LiftMaster HCTDCU HCTDCU Installation Manual - Page 41
WIRING DIAGRAM, Input Power, Connection
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WIRING DIAGRAM To protect against fire and electrocution: • DISCONNECT power (AC or solar and battery) BEFORE installing or servicing operator. For continued protection against fire: • Replace ONLY with fuse of same type and rating. Coaxial Antenna Cable DIAGNOSTICS Antenna CONTROL BOARD Jumper + + + N.C External Reset Button Photoelectric Sensors and Edge Sensors Field Wiring Yellow Blue Black Red Two 12V Solar Panels in Series (Optional) 1234 +- +- Red 12V 7AH Battery Red Black Input Power Connection 12V 7AH Battery Black Red Black Blocking Diode Transformer 375 VA, 24V, 120V Gray Blue Brown Purple Orange -+ -- Bridge Rectifier Orange Black Red Product ID Red Red Black Piezo Alarm White White Reset Button APS Encoder 1/2 HP 24 Vdc Motor GROUND HOT NEUTRAL Green White Black Piggy Back AC Power Switch Power Wiring Sockets (120 Vac factory default) EMI BOARD Power Wiring Connector SHADOW INTERUPT EXIT Wire Loop Wire Loop Wire Loop Field Wiring 41 EXPANSION BOARD POWER TO MAIN BOARD Field Wiring OPEN CLOSE 1 EYE ONLY 2 EYE/ EDGE 3 EYE/ EDGE COM SBC OPN CLS STP COM + + + - N.C. Jumper Green White Red Field Wiring 4321 3 21
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