Data Sheet for Product

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Siemens RDF880KN… A6V11282546_en--_e
Smart Infrastructure Touch Screen Flush-mount Room Thermostats with KNX Communications 2021-02-26
Applications
RDF880KN... is designed to provide easy-to-understand HMI for any existing VRF
system installed in residential homes and apartments where Under Floor Heating
(UFH) room thermostat may be required at the same time.
RDF880KN... has three kinds of applications including VRF HMI or UFH or both.
Applications are selectable via DIP switches.
Download via ETS
(All in OFF positions)
UFH only
VRF HMI only
VRF HMI and UFH
For selection under application mode via HMI, refer to user manual A6V11272225
for selecting applications.
UFH Application
For the UFH application, RDF880KN... provides an ON/OFF output to control water
valve to maintain a comfort level of room temperature.
Room thermostat to control the valve
for the floor heating application