Variable refrigerant flow (VRF) HMI, heating thermostat, and fresh air controller
- Slim (8.6 mm thickness) touch button design
- AC 230 V operating voltage, large LCD backlit display
- Operating modes: ON, ECO and OFF
- Selectable HVAC application modes: VRF only, UFH only and VRF + UFH
- Selectable Fresh Air Controller mode: FAU On or Off
- Room temperature or temperature setpoint display
- Room temperature display via built-in sensor or VRF indoor unit
- Temperature setpoint adjustment
- Minimum and maximum setpoint limitation
- UFH: SPST relay for valve actuator
- Client/Server VRF mode selection: AUTO, COOL, HEAT, FAN & Dehumidification
- Fan mode:
- VRF: Auto and manual
- FAU: Manual only
- VRF fan speed adjustment up to 7 speeds
- FAU fan type selection: 1-speed, 2-speed, 3-speed or ECM
- FAU: Selectable internal and external air circulations
- Simple delay-off timer up to 23 hours
- UFH: External sensor input for floor temperature limitation
- Internal sensor calibration
- Keylock function
- Returning to previous operating mode, ON (Normal mode) or OFF for power down
- Adjustable commissioning and control parameters
- RS485 Modbus RTU server mode Modbus interface for VRF gateway and system integration
- Mounting on recessed square 86 mm conduit box with 60.3 mm fixing centers and min. 60 mm depth