Commax Dpra01 Installation Manual Link -

The DPRA01 connects to an indoor monitor using four wires. Colors may vary by region, but the standard per the manual is:

Official Brand Support Page

Visit www.commax.com → Hover over “Support” → Click “Download Center” → Type DPRA01 into the search bar. Filter by “Installation Manual” (not “User Manual” – the user manual is for residents, the installation manual is for technicians). commax dpra01 installation manual link