SIEMENS RDF510 Flush-mount room thermostat for 2-pipe fan coils Flush-mount thermostat with LCD display for fan coil units Output for on/off valve actuator, 3-wire on/off valve 3-speed fan control: Automatic or manual Manual heating / cooling changeover or continuous Cooling only / Heating only Operation modes: Comfort and Protection Adjustable commissioning and control parameters Optional display of room temperature or setpoint Minimum and maximum setpoint limitation Display temperature in increments of 0.5 °C or °F Color of housing: signal white (RAL 9003) LED backlit display Full or partial keylock Internal sensor calibration Timer with delay off function: preset or user selection from 1 to 23 hours Return to previous mode or Protection (Off) mode upon power down Fan speed low or off in deadzone Fan minimum On-time Three standard color housings on bulk pack for project delivery Customization is also available by request Additional info ●LED backlit display ●Keylock function ●Display either room temperature or setpoint ●Comfort and Protection(Off) operating modes ●Automatic or manual heating/cooling changeover ●Automatic or manual 3-speed fan control ●Selectable fan operation in deadzone ●Timer with delay Off function: preset or user selection from 1 to 23 hours ●Minimum and maximum setpoint limitation ●Return to previous operating mode or Protection(Off) upon power down ●Internal sensor calibration ●Adjustable commissioning and control parameters ●Fit into 86x86 conduit boxes ●Housing available in different colors