Yes, the wiring diagram for the Guardian LPHW Air Curtain is available here: https://www.reznor.co.uk/wp-content/uploads/2025/09/900699-Guardian-Series-LPHW-Installer-Wiring-Drawing-EN.pdf.
Is there a wiring diagram available for the Guardian LPHW Air Curtain ?
Information on wiring diagrams for Reznor products