L, N Operating voltage AC 230 V Q1 Control output "Fan speed 1 AC 230 V" Q2 Control output "Fan speed 2 AC 230 V" Q3 Control output "Fan speed 3 AC 230 V" Y11,Y21 Control output "Valve" AC 230 V (NO, for normally closed valves), output for compressor or output for electric heater X1, X2 Multifunctional inputs for temperature sensor (e.g. QAH11.1) or potential-free switch
M Measuring neutral for sensor and switch CE+ KNX data + CE- KNX data - |