First, please must make sure all surfact is clean.
1. Make sure the connecting side’s surface of heat sink is flat, smooth & clean.
2. Put Thermal-Pad onto the heat sink first, then put AC LED light module onto it.
3. Fix the module by using M3 screws. When clamping, the torque is around 0.5 Nm.
4. Before light-on,remove the red tape,please refer to Figure 2.