Output for an on / off valve actuator or compressor
Outputs for a 3-speed fan
Control depending on the room or return air temperature (with sensor QAH11.1)
2-position control
Sensor input either for automatic heating / cooling
changeover or return air temperature (with sensor QAH11.1)
Automatic or manual three-speed fan control
Operating modes: normal, energy-saving and standby
Operating mode changeover input for remote control