2/4-way control element with room temperature controller, matt black - KNX room thermostat 6128/2...

2/4-way control element with room temperature controller, matt black - KNX room thermostat 6128/2... – Busch Jaeger – 2CKA006134A0329 – 4011395213780: 2/4-way control element with RTR, matt black 6128/28-885 KNX bus system, Powernet bus system, combination of control element, flush-mounted installation type, with theft/dismantling protection, with LED display, with display, plastic material, thermoplastic material quality, surface Painted, surface finish matt, color black, RAL number (similar) 9005, manual setpoint adjustment, presence button, parallel operation possible, protection class (IP) IP20, with labeling field. For Busch-Installationsbus® KNX bus coupler 6120/12-101, 6120/13 and Busch-Powernet® KNX network coupling 6920/12, 6920/13. Support of the KNX functions through an innovative color concept (yellow=lighting, blue=blinds, orange=RTR, magenta=scene and white=neutral/no function assignment) or standard red/green lighting. Button function (switching/dimming/blinds/sending value/light scenes/ventilation function) master/slave operation. With base load operation. The controller is a constant room temperature controller for fan convectors (fan coil) in 2- and 4-pipe systems and conventional heating or cooling systems The fan level can be switched to manual or automatic mode Transparent labeling sheet with standard symbols included in the delivery. Temperature controller class: 1 Contribution to space heating energy efficiency: 1.0%.