Wireless clock thermostat, battery-operated, for wall mounting transmits to receiver Instat 868-a... Suitable for controlling central heating, hot-water floor heating, hot-air heating, night storage heating, etc. Can be used as a time switch (pilot clock) in conjunction with Instat 868a4 or -a6. Fully automatic setting of the time and of summer/winter time. Large, easy-to-read display. Self-learning heating curve (the temperature is reached at the set time). Weekly and separate daily programme: preset and customisable lifestyle time programmes. Unauthorised adjustment lock protects against unauthorised adjustment. Combined holiday and party function (time-limited temperature reduction or increase for hours or days). Presetting of an upper and lower limit value for the temperature setting and much more.

Clock thermostat radio transmitter 868 MHz, battery-operated 2x 1.5V AAA, carrier frequency 868, weekly and daily programme, automatic summer/winter time, degree of protection IP 30, self-learning heating curve, 2 control methods adjustable: Fuzzy controller with PWM (pulse width modulation) or two-point controller, can be used as a time switch (pilot clock), 3 adjustable temperatures, 6 freely selectable times for each day, manual operation for changing the temperature, party and holiday function, access protection, frost protection, pump/valve protection, all settings captive, clear LCD display, menu-guided operation via 4 buttons, low battery indicator.