Yes, there are wiring diagrams available for the Signal Pro controller depending on the fuel used: Electric Guardian - 900724 (https://www.reznor.co.uk/wp-content/uploads/2025/09/900724-Guardian-Signal-Pro-Series-Electric-Installer-Wiring-for-Manual-EN.pdf) 1-Phase Electric - 900733 (https://www.reznor.co.uk/wp-content/uploads/2025/09/900733-Guardian-Signal-Pro-1-Phase-Series-Electric-Installer-Wiring-for-Manual-EN.pdf) Ambient Guardian - 900725 (https://www.reznor.co.uk/wp-content/uploads/2025/09/900725-Guardian-Signal-Pro-Series-Ambient-Installer-Wiring-for-Manual-EN.pdf) LPHW Guardian - 900726 (https://www.reznor.co.uk/wp-content/uploads/2025/09/900726-Guardian-Signal-Pro-Series-LPHW-Installer-Wiring-for-Manual-EN.pdf)
Is there a wiring diagram available for the Signal Pro controller?
Information on wiring diagrams for Reznor products