gravelrash Posted December 19, 2022 Share Posted December 19, 2022 I have installed a salus kl08nsb controller but need to run a buffer temp differential controller to switch the boiler on via the salus boiler switch, can I use 240v through the salus boiler switching terminals? the salus instructions just show 0volt switching. Link to comment Share on other sites More sharing options...
JohnMo Posted December 19, 2022 Share Posted December 19, 2022 If it says 0 volt it normally means 0 volt. You may fry something otherwise. If you need 240v can you take a 240v jumper of the pump contacts, if the pump is running you have a call for heat. Link to comment Share on other sites More sharing options...
Marvin Posted December 19, 2022 Share Posted December 19, 2022 0 volts normally means its a separate relay (activated by other power but no power in the switch!) When you look at the diagram it shows a separate source of power coming from the boiler through the relay and back to the boiler. Link to comment Share on other sites More sharing options...
Marvin Posted December 19, 2022 Share Posted December 19, 2022 (edited) Hi @gravelrash Edited December 19, 2022 by Marvin minor change. Link to comment Share on other sites More sharing options...
gravelrash Posted December 19, 2022 Author Share Posted December 19, 2022 the supply would be from the tank temp differential controller when it asks for heat, this would need to run through the salus boiler control and then to boiler...would the salus switchung allow the 240v? Link to comment Share on other sites More sharing options...
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