1 channel flush-mounted receiver for the INSTAT + 868, INSTAT 868 r1 or -r1o transmitters. For switching actuators for radiator heating, circulation pumps, other heating devices that are intended for temperature control. Window open detection, the radio window contact transmits window open or window closed information to the INSTAT 868-a1Up radio receiver via radio. When a window is opened, the output is switched off immediately. When all windows are closed again, the relay is switched on again with the next on setting signal. With emergency operation in the event of faults. Reversal of direction of action for cooling instead of heating or actuators open when de-energized instead of closed when de-energized. With an indicator lamp for the output status or fault.
