Climate controller, electronic for wall mounting. Suitable for controlling 4-pipe systems, heat pumps or ventilation systems. LCD display 5...30 C, adjustable in 0.5 K increments, actual value display range 0...40 C, resolution in 0.1 K increments. PID control behavior. Switch heating/off/cooling/fan, switch fan fast/medium/slow. Operation also possible with remote sensor (extendable up to 50m). Surface mounting or directly on flush-mounted box with vertical mounting holes