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Webasto Wiring question

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Mr B

Member
Messages
15
Location
Bedfordshire/Buckinghamshire
Hi guys, I have a Webasto thermo pro 90 which I use to heat the water for window cleaning. I currently use an independent on/off switch with led (shows any faults).

I have just purchased the Spring v16 Hot water controller mainly for the frost protection function.

The controller has an extra wire (light purple) which connects to the webasto. For those that have this setup, can you let me know what wire to connect to from the Webasto. I don't have the hot air blowers. Any pics would be great.
 
i think the purple wire goes from the frost stat part which then goes to the main switch on the webasto ie switched live,
so its turns the heater on when it gets cold i only remember that wire as i took it out of the switch when i installed my heater (the frost stat isn't needed for my set up).
hope this helps but i'm sure someone can give you a more precise answer.
 

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