• KNX communications
• For applications with DC control outputs and DC or 3-speed fan output
• For applications with 2-position control output with DC fan output
• 3 multifunctional inputs for keycard contact, external room / return air temperature (QAH11.1, QAA32), heat / cool changeover, operation mode changeover, window contact on/off, dewpoint monitor, electrical heater enabled, fault contact, presence detector
• Operating modes: Comfort, Economy and Protection
• Automatic or manual EC fan or 1-/3-speed
• Automatic or manual heating / cooling changeover
• Adjustable commissioning and control parameters
• Minimum and maximum setpoint limitation
• Backlit display
• Master / Slave function in KNX S-mode

Application selectable:

• 2-pipe system
• 2-pipe system with electrical heater
• 2-pipe system and radiator / floor heating
• 4-pipe system
• 2-stage heating or cooling system
• Heating / cooling with 6-port ball valves