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, Presence detector, window contact on/off, dewpoint monitor, electrical heater enabled, fault contact

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

Built-in humidity sensor and humidity control


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