errol,
can you give an indication on how much such a water temperature
controller switch would cost, and any process control companies
where they would be available in melbourne??
thanks
andrew
From: "Errol Smith" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Date sent: Wed, 25 Oct 2000 18:30:58 +1000
Send reply to: [EMAIL PROTECTED]
Subject: Re: Thermo wiring
> Zac,
> Using a standard Hella 4RA 30Amp relay and 10amp wire.
> On the relay there are four terminals (30, 87,85, 86)
>
> Terminal 30 goes to battery +ve (through a 15Amp fuse assembly)
> Terminal 87 goes to the thermo fan +ve wire.
> The other thermo fan wire goes to a good earth.
> Terminal 86 also goes to earth
> Terminal 85 goes to the output terminal of the temp switch.(If two terminal
> model either terminal will do)
> Temp switch input terminal goes to a switched +ve lead from ignition
> switch.
>
> I use an industrial water temperature controller switch made by LANDIS &
> GYR (model "T80" with a range from 50 - 110 degrees C). These would be
> available from most process control companies. These are rated at 10 times
> the number of operational cycles of a Davies Craig unit, and have a better
> accuracy when set.
> This controller uses three terminals with the centre terminal going through
> the fuse to battery positive. Either of the outer terminals is switched
> power to the fan.
>
> If you are going to be adding electrical items to your vehicle such as
> driving lights stereo etc, think about putting in a separate fuse block
> with sections for power with ignition on (through a 60 or 90 Amp relay) and
> a second section for constant battery voltage. This will make future wiring
> much easier and neater.
>
> Cheers
> Feral Errol
>
>
>
>
>
>
>
> ----------
> From: Zac Campbell <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Subject: Thermo wiring
> Date: Wednesday, October 25, 2000 4:03
>
> List, how can I wire my thermo fan using a temp switch and relay? I would
> like it to just go on and off automatically.
> Sorry I have absolutely no idea what type of relay to use. I have some 6
> amp wire here, is that suitable? And what temperature temp switch should I
> get?! Where do I draw power from!!?? argh!
>
> Thanks,
> zac
>
>
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