The Honeywell Resideo T6861V2WB is a digital thermostat designed for a 3-speed fan and valves in a fan coil system.  The thermostat controls heating/cooling temperature in HVAC systems.  The fan speed can be set in auto mode or manual 3-speed control mode (Low, Medium, High). When in ventilation mode, it only supports fan manual speed control.

The T6861V2WB features a modern-looking style with a blue backlight and a white color ring. This model perfectly fits residential or commercial spaces such as offices, shops, and hotels.  Selection of temperature or fan control adjustments can be easily configured and it has a large readable LCD display showing the configured settings.

Installing the T6861V2WB should be in a vertical position and the following locations should be avoided:
 

Review the easy-to-follow instructions sheet attached in the technical data tab.