Introduction
The RTC81.XXX is used for 2-position control with on/off output for the control the temperature by means of an NTC sensor placed externally or internally in the thermostat
The thermostat acquires the actual temperature with its built-in sensor or floor sensor, and the heating contact will close when the room temperature falls below the selected setpoint.

Application
For the control of warm-water (floor) heating systems and direct electric heating systems used in Commercial buildings, Residential buildings, Light industrial buildings...

Features
On/off control output for heating device
Symbol indicator when heating is on
Temperature limitation function for protecting the wooden floor
Current room temperature displaying when the thermostat is switched-off
Key-lock function for protecting the setted parameters (especially suitable for Public Places)