Output DC 0…10 V for VAV actuator and auxiliary output ON/OFF, PWM or 3-position or 3-position for VAV actuator and auxiliary output DC 0...10 V
3 multifunctional inputs for keycard contact, external room / return air temperature (1x, QAH11.1, QAA32), heat / cool changeover, operation mode changeover, window contact on/off, dewpoint monitor, electrical heater enabled, fault contact
Operating modes: Comfort, Energy Saving and Protection
Modulating PI control
Control depending on the room or the return air temperature
Automatic or manual heating / cooling changeover
Adjustable commissioning and control parameters
Minimum and maximum setpoint limitation
Minimum and maximum limitation of air flow signal
Output signal inversion (DC 0...10 V) as an option
Backlit display
Application selectable:
Single-duct system
Single-duct system with electrical heater
Single-duct system and radiator / floor heating
Single-duct system with heating / cooling coil.