Thermostat Controller – MultiMode, Durable, and Easy to Install Key Features: • Versatile Operating Modes – Offers multiple working configurations to suit a wide range of systems. Choose between singlewire mode (valve stops while fan continues running) or dualwire mode (valve and fan stop together). This flexibility allows precise control for different HVAC setups, improving efficiency and comfort. • UserFriendly Toggle Switches – Equipped with clearly marked switches for simple operation: Power switch: ON or OFF Mode switch: HEAT or COOL Fan speed switch: three settings for airflow control – Low (1), Medium (2), (3) • LongLasting Performance – Built for heavyduty use. The thermostat contact can handle over 100,000 cycles at 220V under full load. Manual operation switches are rated for over 60,000 cycles. Operating voltage: 110–220V AC, 50/60Hz, ensuring compatibility with most standard power supplies. • Easy Installation – Designed for external embedded mounting using a standard 86type installation cassette. This streamlined installation process reduces setup time and labor costs, helping you get your system up and running quickly. Practical Applications: 1. Residential HVAC control – Adjust heat, cool, and airflow in living spaces efficiently. 2. Office climate management – Maintain comfortable temperatures with simple, reliable controls. 3. Hotel or commercial spaces – Provide guests and staff with easytouse climate settings while ensuring long service life and minimal maintenance. Specifications: • Operating modes: Singlewire and dualwire • Switch functions: Power ON/OFF, HEAT/COOL, Fan speed levels 1–3 • Contact life: >100,000 cycles at 220V full load • Manual switch life: >60,000 cycles • Voltage: 110–220V AC, 50/60Hz • Installation type: External embedded, standard 86type cassette This thermostat controller combines flexible functionality, durability, and quick installation, making it a reliable solution for managing temperature and airflow in a variety of environments.