pekwah1
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| posted on 29/8/11 at 05:52 PM |
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Thermoswitch
Hi Guys,
My thermoswitch is built into my rad and has two spade connectors.
Well i'm assuming it's a thermoswitch and not just a thermostat....
Anyway, should the thermo be grounded on one spade and the other spade is a switched ground which will ultimately find it's way to the rad fan
via a relay?
Thanks,
Andy
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karlak
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| posted on 29/8/11 at 06:08 PM |
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Shamelessly nick'd from a previous thread by steveC - but with a Switch override if required as well.
 
MK Indy - 2litre Duratec - Omex 600 - Jenvey throttle bodies - ETB DigiDash2
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pekwah1
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| posted on 29/8/11 at 06:45 PM |
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thanks very much.
is there a standard temperature that a thermoswitch will switch at?
how can you test one to check it's working?
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rusty nuts
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| posted on 29/8/11 at 07:22 PM |
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Quick test to see if the fan works is to join the 2 wires at the switch , the fan should operate. To test the switch take it out and clean the side
which should reveal the operating temperatures , a higher one that the switch turns on and a lower one for turning off. Place in a saucepan with a
thermometer and a multimeter or battery and test light on the terminals and heat the water until the test light or multimeter shows 0 ohms.
Thermoswitches are available in a load of different operating temperatures so if you not happy with the operation you can get them from any decent
motor factors
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pekwah1
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| posted on 29/8/11 at 07:33 PM |
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nice one, thought it might be the old pan of hot water trick.
Annoyingly that means i'll have to drain the whole bloody rad to test it!
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