The following installation manuals are available for the Guardian Recessed Cased Air Curtain Electric Heated 2m with control panel (GR2000E):
Guardian GR and GS Signal Pro - Installation Manual - October 2025(https://www.reznor.co.uk/wp-content/uploads/2025/10/D301367-Reznor-Guardian-GR-and-GS-Signal-Pro-Installation-Manual-EN-2025-10-Iss-5.pdf),
Signal Pro Control - Installation Manual - October 2025(https://www.reznor.co.uk/wp-content/uploads/2025/10/D301515-Reznor-Signal-Pro-Control-Modbus-Manual-EN-2025-10-Issue-1.pdf),
Guardian Quick Setup Guide - Product Guide - October 2025(https://www.reznor.co.uk/wp-content/uploads/2025/11/D301671-Reznor-Guardian-Quick-Setup-Guide-EN-2025-10-Iss-1.pdf)