I have the oil heater Hyundai with mechanical Timer FM-DS3(e). I want to baypass the timer. Let the energy go on the heater. Looks like energy (red)cabel comes to 4 and one part of (white) cabel comes to 1. Any help will be appreciated.
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Here's the datasheet for the switch: http://www.maxtronictech.com/MT-010x02.pdf
The easiest thing to do would be to get a slightly different FM DS(3) that has an on/off/timer switch, and set it to on. Problem solved, no wiring changes.
The second easiest thing would be to turn all the timer switches to the 'on' position.
The third easiest thing to do would be to bridge 3 and 4 with a jumper. However, then there would be no way to turn this off -- not what you'd usually use for a heater!
I believe that the natural position of the timer is either On or Off, when the grey lead is not plugged in.
So: Take off the grey, and plug the red leads in 3 and 5 or in 3 and 4, one of the two combinations should work.
Other options: You can unplug 3 and 4 and join them together using a male-male piece of alloy of the same size as the jumper input. otherwise you can solder them together, the two red wires, outside of the timer. you could look for a thermostat module instead with some temp controls, and switch it around. you can also unscrew the module, crack it open, and block the mechanism on.
If you don't like soldering, it should be fine to connect together the two red wires using a wire connector, or to tie them together with a threaded copper wire, unsheathed and heavily wrapped in wire and then in 10 layers of of electrical tape, very securely. and check that it doesnt get hot by putting wax on it.