Samsung Refrigerator Defrost Timer Wiring Diagram Site

| Pin | Label | Function | |-----|-------|----------| | 1 | 1 | Line (L1 – Hot) | | 2 | 2 | Neutral (not always used) | | 3 | 3 | Compressor / Run output | | 4 | 4 | Defrost heater output | | 5 | 5 | Motor (timer motor – connects to L1 & neutral) | | 6 | 6 | Not used / extra | | 7 | 7 | Common neutral return | | 8 | 8 | Not used / extra |

You’ll see:

Pin numbering (looking at bottom/terminal side, latch at top): samsung refrigerator defrost timer wiring diagram

| SU8109 Pin | Connect to | |------------|-------------| | 1 (L1) | Black (hot) | | 2 | Not used | | 3 (Compressor NC) | Compressor relay wire | | 4 (Defrost NO) | Defrost heater wire | | 5 (Motor) | Neutral (white) | | 7 (Common) | Not needed if using pin 5 for neutral | | Pin | Label | Function | |-----|-------|----------|