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vokera unica 36he?

after pressing co button for boiler to fire on max rate for co reading, unable to get boiler onto low rate for minimum co rating
gary, June 2010
you need to do this manually by adjusting the fan speed trimmer (potentiometer). it tells you how in the instructions but isn't very clear unless you read the co function section and the fan speed adjustment section together.

Ian, June 2010
link Click here to see other fixes for Vokera.