to reset timer : pull out timer gear & set pointer to correct time of day. As long as that is set correctly It will regenerate at 2 AM to set days of regeneration push steel pins in for how ever many days you need it to regenerate.
wheel has 1-6 days This will depend on water conditions also on how many people live in the house . I do water conditioning in nj & e-mail you a copy of a manual if needed.