The following installation manuals are available for the GUARDIAN EC 2000 ELECTRIC AIR CURTAIN C/W CONTROLLER (GSEC2000E):
Guardian EC Wi-Fi Controller - Installation Manual(https://www.reznor.co.uk/wp-content/uploads/2025/12/D301863-Iss-1-Reznor-Intelligent-WIFI-EC-Controller-Manual-EN-DE-ES-2026-01.pdf),
Guardian EC - Installation Manual(https://www.reznor.co.uk/wp-content/uploads/2026/01/D301862-Iss-1-Reznor-Guardian-EC-Installation-Manual-EN-DE-ES-2026-01.pdf)