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Very old post but would anyone have the temperature sensors for the fluidyne radiator. 22mm Id like aprox 140 & 160 degrees
Here is the setup for my Fluidyne:
Fans are operated by separate thermostats (75/70C on inlet, 85/75C on outlet). Indicator light in dash labeled FAN is illuminated when the second fan operates.
I hope this helps.
Also, Wilkinson has them. I got one from Steve and another on eBay. VW uses them as well.
The Pantera Electronics fan controller uses Pulse Width Modulation to control the speed of the fans in proportion to coolant temp. With this system, your fans will run at a slower speed most of the time, than they would with a switch or switches. This is both quieter and easier on the fans. Also, if you have your fans mounted in a shroud, unless there's a baffle that separates the two fans, you shouldn't have the fans turn on at different temperatures. If they do, when one fan is on and the other is off, the one that's on will draw air through the other fan's opening in the shroud, rather than through the radiator. In such a case, the fans only pull air through the rad when both are on.
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Hi Ron, how've you been? Hope all is well.
Agreed with the comments that one switch should control both fans. The switches below are chosen based on the premise that they shall be located in the radiator's inlet tank (the lower tank) so as to sense the coolant temperature regulated by the thermostat. They should give you fans which cycle on when needed & off when not needed, instead of being on all the time.
Manufacturer...Part Number.........Switch Setting........Thermostat
Intermotor........50190......................100°/95° ...............195°F (91°C)
Intermotor........50104.......................97°/92° .................192°F (89°C)
Intermotor........50200.......................92°/87° .................180°F (82°C)
Wahler...............823.959.481.F ........92°/87° .................180°F (82°C)
-G
