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ManualsBrandsSiemens ManualsThermostats (temperature controller with sensor)Touch Screen Flush-mount Room Thermostats with KNX Communications RDF880KN

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Siemens RDF880KN… A6V11282546_en--_e

Smart Infrastructure Touch Screen Flush-mount Room Thermostats with KNX Communications 2021-02-26

Use

More than just room temperature control via a connected VRF system or a UFH

system or both:

Typical applications:

• Residential apartments

• Small office or commercial buildings

• Schools / Universities

For the VRF HMI, the unit interfaces to VRF systems via a third party gateway for:

• User application selection: - UFH only or VRF only or both

• Setpoint adjustment: - maximum / minimum limitations

• Fan speed adjustment: - auto / manual speeds (up to 7 speeds)

• Operating mode selection: - AUTO, HEAT, COOL, FAN and

Dehumidify

• Economy mode: - energy saving

• Auto-swing adjustment (optional): - auto swing or fix at any position (10)

• Delay off timer (optional): - allow up to 23 hours operations before off

For the control of the following pieces of heating equipment:

• Floor Heating

• Thermal valves or zone valves

• Gas or oil boilers

• Fans

• Pumps

The configuration can be done locally or remotely via one of the following:

• Local HMI & DIP switches

• Synco ACS (UFH only)

• ETS5 (binding S-Mode objects for VRF & UFH)

Functions

• Room temperature control via a built-in or external room temperature sensor

• Calibrations for both internal temperature and relative humidity sensors

• Display of current room temperature or setpoint in °C

• Minimum and maximum limitation of room temperature setpoint

• Fan speed adjustment, auto, manual (up to 7 speeds)

• Selection of VRF operating mode:

→ AUTO, HEAT, COOL, FAN and Dehumidify

• Selection of UFH operating mode:

→ Comfort and Protection

• Energy saving (Economy mode) for both VRF and UFH

• Key lock function: unlock, total lock and setpoint lock

• 2 multifunctional inputs, freely selectable for:

− External room temperature or return air temperature sensor

− Window contact

− Fault input

− Monitor input for temperature sensor or switch state

• Floor heating temperature limitation

• Display of outdoor temperature and time scheduling via KNX bus

• Reload factory settings for commissioning and control parameters

Optional: enable / disable via parameters

• Relative humidity display via a built-in humidity sensor

• Auto-swing selection: auto swing or fix at any position (up to 10)

• Delay off timer: up to 23 hour operations

• Chinese text display for 4 navigation icons