I managed to get it work with the following code:
float getTemp(){
#define ADDRESS 0x4C
#define CONFIG 0x00
float temp;
Wire.beginTransmission(ADDRESS);
Wire.write(CONFIG);
Wire.endTransmission();
delay(50);
Wire.requestFrom(ADDRESS,2);
temp=Wire.read();
if(Wire.read()==128){
temp+=0.5;
}
return temp;
}
And connect the green wire to 3.3V, not to the 5V.