In all applications, the M30 thermostat can only be used with all residential units and approved commercial split-system matches, and those which meet the following installation criteria: Installation uses 18 gauge thermostat wire or larger and wire run length DOES NOT EXCEED 300 feet (91 meters). Load from any thermostat connection is 1 AMP or.. Lennox iComfort M30 User Manual View and Read online. Est. reading time 30 minutes. iComfort M30 Thermostat manuals and instructions online. Download Lennox iComfort M30 PDF manual.
IMPORTANT In all applications, the M30 thermostat can only be used with all residential units and approved commercial split-system matches, and those which meet the following installation criteria: Installation uses 18 gauge thermostat wire or larger and wire run length DOES NOT EXCEED 300 feet (91 meters).. Access the comprehensive installation manual and setup guide for the iComfort M30 Smart Thermostat by Lennox. This guide provides step-by-step instructions, system wiring diagrams, and valuable information to optimize the performance of your smart thermostat.