: For official Polish-language manuals, you can also visit urmet.com.pl . One source points to a direct PDF link: https://urmet.com.pl/INSTRUKCJE/1131_INSTRUKCJA.pdf , though it is advisable to verify its availability and currency on the site.
The Urmet 1131 is versatile. Below are the two most common wiring configurations. urmet 1131 manual full