Siemens RDF880KN/NF, S55770-T398
Touch Screen Flush-mount Room Thermostats with KNX Communications
- Large display, touch screen with backlight
- VRF HMI: temperature setpoint, fan speed and operating mode selections
- 2-position (ON/OFF) temperature control with potential free output for UFH via build-in / external temperature sensor
- Display room temperature value (↓C) and relative humidity value (% r.h.) via a build-in temperature and humidity sensor
- One setpoint adjustment for both VRF HMI and UFH controls
- Fan auto and manual speed setting from 1 up to 7 speed
- Operating mode selection for VRF: AUTO, COOL, HEAT, FAN and DRY
- Operating mode selection for UFH: Comfort and Protection
- Economy operating mode for both VRF and UFH to save energy
- 2 multifunctional inputs (see details in functional descriptions)
- Adjustable control parameters for alternative settings
- KNX bus communications via S-mode and LTE-mode
- Integration to VRF system via S-mode and third party gateways
- Commissioning via ETS download
- Wizard function for fast commissioning via HMI
- Alarm / Error information
- AC 230 V operating voltage
- Mounting on recessed square 86 mm box with 60.3 mm fixing centers and min 40 mm depth, requires additional mounting frame to complete installation
- Color of housing: Ivory white (RAL 9001)
- Fits DELTA arina mounting frame concept
- Additional mounting frame is required: ARG800.1
Datasheet