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Touch Screen Flush-mount Room
Thermostats with KNX
Communications
Under Floor Heating (UFH) control application
with an additional HMI for Variable Refrigerant Flow (VRF) commands via KNX S-mode
A6V11282546_en--_a
2018-04-19
· Large display, touch screen with backlight
· VRF HMI: adjust setpoint, fan mode, fan speed and operating modes
· 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
· RDF880KN/NF: 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
A6V11282546
RDF880KN/NF
Building Technologies
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Related Manuals for Siemens RDF880KN/NF
Summary of Contents for Siemens RDF880KN/NF
- Page 1 · Wizard function for fast commissioning via HMI · Alarm / Error information · AC 230 V operating voltage · RDF880KN/NF: 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...
- Page 2 · Fan 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 2 / 24 Siemens RDF880KN… A6V11282546_en--_a Building Technologies Touch Screen Flush-mount Room Thermostats with KNX Communications...
- Page 3 VRF system installed in residential homes and apartments where Under Floor Heating (UFH) room thermostat may be required at the same time. RDF880KN/NF has three kinds of applications including VRF HMI or UFH or both. Applications are selectable via DIP switches.
- Page 4 VRF Application (HMI only) For the VRF application, RDF880KN/NF provides an easy-to-understand HMI for adjusting frequent used operations of the VRF systems such as adjustments of temperature setpoint, fan speed, VRF operating mode, etc. Since all VRF brands have their own communication protocols between the remote control unit and VRF equipments (e.g.
- Page 5 Other Heating Applications RDF880KN/NF is not limited to UFH applications but also for the following heating applications such as radiators, wall hung boilers, etc. Room thermostat to control the valve of the radiator application Room thermostat with direct control of a...
- Page 6 “Accessories”) Ordering · When ordering, indicate product number, SSN and name. e.g. RDF880KN/NF (S55770-T398) heating thermostat with VRF HMI · A mounting frame or multi-frame must be ordered for RDF880KN/NF installation. (See “Accessories”) · Order valve actuators separately. Equipment combinations Type of unit Product no.
- Page 7 Product no. / SSN Data sheet Single mounting frame , Ivory White ARG800.1 / S55770-T370 KNX Power supply 160 mA (Siemens BT LV) 5WG1 125-1AB02 KNX Power supply 320 mA (Siemens BT LV) 5WG1 125-1AB12 KNX Power supply 640 mA (Siemens BT LV) 5WG1 125-1AB22 See the dimensions of mounting frame on page 24.
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Page 8: Mechanical Design
· Mounting base with power electronics. · Mounting frame is an additional part to complete the installation for RDF880KN/NF, e.g. single or multi-frames. The rear of the mounting base contains the screw terminals. Slide the front panel in the mounting base and snap on. - Page 9 Synco controllers, the internal KNX power supply of the Synco controllers must be switched off. · No cables provided with a metal shield. · Disconnect from supply before opening the cover. 9 / 24 Siemens RDF880KN… A6V11282546_en--_a Building Technologies Touch Screen Flush-mount Room Thermostats with KNX Communications...
- Page 10 Touch ƒ / „ to advance / return to any parameter; Touch + / - to select any desired available values. 10 / 24 Siemens RDF880KN… A6V11282546_en--_a Building Technologies Touch Screen Flush-mount Room Thermostats with KNX Communications...
- Page 11 Reset thermostat after reset, all LCD segments flash, indicating that the reset is correct. 3 seconds later, the thermostat is ready for commissioning by qualified HVAC staff. 11 / 24 Siemens RDF880KN… A6V11282546_en--_a Building Technologies Touch Screen Flush-mount Room Thermostats with KNX Communications...
- Page 12 RS232 KNX interface (such as Siemens N148 / UP146 / UP152) OCI700 or OCI702 USB-KNX interface An external KNX bus power supply is required if an RDF880KN/NF is connected Note: directly to a tool (ACS or ETS4/5) via KNX interface.
- Page 13 1 = Room temp ext / Return temp (AI) 3 = Window open detection (DI) 6 = Fault input (DI) 7 = Monitor input [Digital] 8 = Monitor input [Temp] 13 / 24 Siemens RDF880KN… A6V11282546_en--_a Building Technologies Touch Screen Flush-mount Room Thermostats with KNX Communications 2018-04-19...
- Page 14 Reload starts only after exits parameter mode. Device address 1…255 Geographical zone ---, 1…126 (apartment) (out of service) Geographical zone (room) ---, 1…63 14 / 24 Siemens RDF880KN… A6V11282546_en--_a Building Technologies Touch Screen Flush-mount Room Thermostats with KNX Communications 2018-04-19...
- Page 15 Floor Heating NC Output Diagnose OPE = OPEN Status (Q12) CLO = CLOSE Floor Heating NO Output Diagnose OPE = OPEN Status (Q14) CLO = CLOSE 15 / 24 Siemens RDF880KN… A6V11282546_en--_a Building Technologies Touch Screen Flush-mount Room Thermostats with KNX Communications 2018-04-19...
- Page 16 · LTE mode is specifically designed to simplify engineering. In contrast to S-mode, LTE mode there is no need to create individual connections (group addresses) in the tool. The devices establish connections autonomously. 16 / 24 Siemens RDF880KN… A6V11282546_en--_a Building Technologies Touch Screen Flush-mount Room Thermostats with KNX Communications...
- Page 17 Fan operation 1.001 1 bit CRWTU switch It is a command to set the current fan mode to the VRF: Auto (0); Manual (1). 17 / 24 Siemens RDF880KN… A6V11282546_en--_a Building Technologies Touch Screen Flush-mount Room Thermostats with KNX Communications 2018-04-19...
- Page 18 C: Communication; R: Read; W: Write; T: Transmission; U: Update Notes: The current RDF880KN/NF is based on a Floor Heating Controller with additional VRF HMI. Therefore, to turn on the controller, effectively, it is to turn on the UFH application.
- Page 19 European Directive and may not be disposed of as domestic garbage. · Dispose of the device through channels provided for this purpose. · Comply with all local and currently applicable laws and regulations. 19 / 24 Siemens RDF880KN… A6V11282546_en--_a Building Technologies Touch Screen Flush-mount Room Thermostats with KNX Communications 2018-04-19...
- Page 20 Measuring range 0…100% Accuracy at 25 °C ± 5% r.h. Humidity calibration range ± 20% Settings and display resolution Display resolution 1% r.h. 20 / 24 Siemens RDF880KN… A6V11282546_en--_a Building Technologies Touch Screen Flush-mount Room Thermostats with KNX Communications 2018-04-19...
- Page 21 Minimal wiring cross section on L, N, Qxx Min 1.5 mm Housing front color Ivory White Weight without / with packaging 0.145 kg / 0.245 kg The documents can be downloaded from http://siemens.com/bt/download. Handbook for Home and Building Control - Basic Principles Reference documentation (http://www.knx.org/knx-en/training/books-documentation/knx-association-books/index.php) Synco...
- Page 22 Temperature sensor (return air temperature, M X2 CE+ CE- external room temperature, changeover sensor, etc.) KNX data + KNX data – 10 A 5(2)A Max . 22 / 24 Siemens RDF880KN… A6V11282546_en--_a Building Technologies Touch Screen Flush-mount Room Thermostats with KNX Communications 2018-04-19...
- Page 23 Dimensions (mm) RDF880KN/NF for square conduit boxes only 23 / 24 Siemens RDF880KN… A6V11282546_en--_a Building Technologies Touch Screen Flush-mount Room Thermostats with KNX Communications 2018-04-19...
- Page 24 ARG800.1 single mounting frame for RDF880KN/NF Issued by © Siemens Switzerland Ltd., 2018 Siemens Switzerland Ltd. Technical specifications and availability subject to change without notice. Building Technologies Division International Headquarters Theilerstrasse 1a CH-6300 Zug Tel. +41 58 724 2424 www.siemens.com/buildingtechnologies...