16 replies to this topic

[SolarB]

I used a 3R3 25W mounted inside the unit.

[rasputin22]

with regards to wiring a resistor could someone please put a wiring diagram on here or send me a Pm thanks.


and would this work ok just connect the fan up to it and away i go?

http://cgi.ebay.co.u...=item27ae824596

thanks people

Here is a diagram for a twin speed fan with a single resistor

 Heater_Wiring.JPG   14.76K   106 downloads

Both motor controllers should be up to the job. It would be best to mount these in flowing air to keep the transistor cool.