Hello Friends, Here you will be given full function of the D frosting timer and its complete connections. Which is planted non frost refrigerator. D frosting timer is placed in this refrigerator. So that the refrigerator cooling for about 8 hours and heater on maximum for 20 minutes,So that the snow on the evaporator could get heater pellets. If we talk about this De frost timer connections. You will get four points in the De frosting timer. Whose numbers are mostly 1,2,3,4 there. What will be your connections by numbering? This De frosting timer has a motor. Whose work is to run compressor for 8 Hours and run maximum 20 minutes heater. Tow points will be standby to supply a De Frosting timer on 1 number point and 3 number point. The rest of the 2 points is a 4 number and 2 number, 4 number point for compressor and 2 number point for Heater. Below you will get a complete diagram Connections from where you will understand very easy...