RDS120 Smart Thermostat User Guide A6V10733807_enUS_a 11/22/2019 Smart Infrastructure
Table of Contents 1 1.1 1.2 1.3 About this User guide ........................................................................... 5 Revision history ...........................................................................................5 Reference documents..................................................................................5 Before starting .............................................................................................5 2 2.1 2.2 Getting started with the thermostat .......
8 8.1 Appendices........................................................................................ 31 Frequently asked questions .......................................................................31 8.1.1 What should I do if I forget the screen lock code?........................31 8.1.2 What if two users change the same setting at the same time? .....31 8.1.3 Will the thermostat work if the connection to the cloud is lost? .....31 8.1.4 Why does the scheduled Eco mode change to Comfort? .........
About this User guide Revision history 1 1 About this User guide 1.1 Revision history Edition Date Changes Section Pages 3 July 2018 Third version. ● Added information on Fan min. ON time. ● Added information on time synchronization and setting valid period after power failure. ● Added information on Free cooling. 4.5 8.1.18 8.1.19 8.1.20 21 39 2 April 2018 Second version. ● Added reference document Submittal Sheet. 1.2 5 1 December. First version. 2017 All 1.2 Reference documents Ref.
1 About this User guide Before starting All product names listed in the table are registered (®) or not registered (™) trademarks of the owner listed in the table. We forgo the labeling (e.g. using the symbols ® and ™) of trademarks for the purposes of legibility based on the reference in this section. Copyright This document may be duplicated and distributed only with the express permission of Siemens.
Getting started with the thermostat Thermostat display overview 2 2 Getting started with the thermostat 2.1 Thermostat display overview Normal display Icon Description 1 Tap to display detailed information and additional settings. 2 Displays whether the system is in an energy-optimized mode. If the leaf is red, predefined settings were changed. Tap the red leaf to restore the energy-saving mode. The leaf turns green. 3 Room temperature. 4 Tap to toggle between At home and AWAY.
2 Getting started with the thermostat Home screen icon overview Idle display Icon Description 1 Measured relative humidity 2 Shows room air quality: ● If the icon is green, the air quality is good. ● If the icon is orange, the air quality is average. ● If the icon is red, the air quality is poor. In order to ensure that the room air quality is measured accurately when the room is closed for a long time, it is recommended to force air circulation such as opening a window.
Getting started with the thermostat 2 Home screen icon overview Icon Description Displays when the system works in an energy-optimized mode. If the leaf is red, it means that some pre-defined settings have been changed. Tap the red leaf to restore to the energy-saving mode. The leaf turns green. Temperature setpoint slider.
3 Presence detection Presence detection using the built-in PIR sensor 3 Presence detection 3.1 Presence detection using the built-in PIR sensor By using a built-in presence detection sensor (also called PIR (Passive infrared detector) sensor), the thermostat detects occupancy and then does the following: ● Activates idle display. When no operations are performed, the thermostat detects presence in room.
Presence detection 3 Approach detection Sensor detection range A The width of each cell. It is 80 cm (31 in). B The thermostat. C The height of each cell. It is 80 cm (31 in). D The area that the PIR sensor can detect. Change from Unoccupied to Comfort when an unoccupied room becomes occupied 1. On the Home screen, tap , tap and then tap . 2. If prompted, enter the administrator password. 3. Tap , tap , and then tap . Scroll down and tap Room presence detector. 4.
3 Presence detection Approach detection Sensor position 1 12 | 38 The location of the approach sensor.
Operating the thermostat from the thermostat main unit 4 Temperature control 4 Operating the thermostat from the thermostat main unit 4.1 Temperature control The thermostat acquires the room temperature using the built-in sensor and/or the external room temperature sensor, and maintains the setpoint by delivering control commands to heating and/or cooling equipment.
4 Operating the thermostat from the thermostat main unit Operating modes 4.2 Operating modes 4.2.1 Operating modes overview Operating mode Description At home This mode lets the thermostat know the space is now occupied. Within this mode, you can choose follows a schedule, or toggle to where the thermostat and have the thermostat operate at a specified setpoint indefinitely. See Thermostat display overview [➙ 7] for more detailed information about how the thermostat operates in or .
Operating the thermostat from the thermostat main unit 4 WLAN connection ● Tap to switch from AWAY to At home. To change the default AUTO mode 1. From the Home screen, tap . 2. On the page, tap either HEAT ( ), ( ) or OFF. NOTE: To modify advanced settings on the heating or cooling mode, see Commissioning. 4.2.2 Operating modes in a schedule Operating mode overview Operating mode Description Comfort Maintains comfortable settings in controlled space during occupancy and activities.
4 Operating the thermostat from the thermostat main unit WLAN connection To connect to a network 1. If the thermostat is selected for commercial application (common wireless infrastructure), do the following: – From the Home screen, tap , and then tap . The Advanced Settings – – page displays. If required, enter the administrator password. Tap , and then tap . Wait for the thermostat to discover the networks nearby. 2.
Operating the thermostat from the thermostat main unit 4 Screen lock protection – If necessary, tap or to scroll through and view other network DHCP settings like Preferred DNS. – To customize the current network settings, tap Manual, select a field, or tap or to scroll to the desired field, and then enter a new setting. Connecting to a network by button A WPS (Wi-Fi Protected Setup) compatible router allows push button wireless network set up.
4 Operating the thermostat from the thermostat main unit Screen lock protection To modify a screen lock password 1. On the Settings page, tap 2. Tap . and then tap Change. Specify a new numeric lock of six numbers, and then tap OK. 3. Tap OK to confirm. To remove a screen lock password 1. On the Settings page, tap . 2. Tap , tap Deactivate, and then tap OK to confirm. 4.4.2 Creating an administrator password NOTICE If an administrator password is lost, there is no way to recover it.
Operating the thermostat from the thermostat main unit 4 Fan control 4.5 Fan control The fan operates as part of the AUTO mode or the ON mode. Under the AUTO mode, the fan runs in any of the following situations: ● Heating is active. ● Cooling is active. ● The humidification function is active. ● The dehumidification function is active. ● Free-cooling is enabled. ● Ventilation is activated to improve the room air quality.
4 Operating the thermostat from the thermostat main unit Checking the basic information about the thermostat To change the time zone 1. From the Home screen, tap , then tap and . 2. If prompted, enter the administrator password. 3. Tap , tap , tap Adapt, and then select an area on the map. 4. Tap to scroll to a desired time zone, tap to select it and then tap . or 5. If it is connecting to the cloud, the thermostat detects the date and time automatically based on the previously-selected time zone.
Green leaf 5 5 Green leaf The Green leaf indicates that the system has an energy-optimized operation: ● Use Green Leaf default setpoints for heating and cooling. ● Run system automatically based on a schedule. ● Operate fan in Auto mode if the thermostat controls external fan equipment. ● Switch to follow a schedule with presets defined under Advanced Settings > Optimization. If the thermostat detects one of the following, the leaf icon turns to red.
6 Air quality control 6 Air quality control With its built-in and/or external VOC (Volatile Organic Compounds) sensor, the thermostat measures the room air quality and shows the air quality status symbol on the local idle screen. In the mobile app, the status is indicated by text. If no external VOC sensor is connected or if the input value of the external sensor is invalid, only the built-in sensor is used to provide values for the thermostat.
Operating the thermostat from the mobile app 7 Downloading the app 7 Operating the thermostat from the mobile app 7.1 Downloading the app To control the thermostat remotely, download the Siemens Smart Thermostat RDS app from Google Play or App Store. To download the app 1. Open Google Play or App Store, and then search for Siemens Smart Thermostat RDS. 2. In the searched result page, tap the item to view its details, then follow the instructions to complete the installation. 7.
7 Operating the thermostat from the mobile app Changing background color After reconfiguration of the thermostat, log out and return to the app before changes take effect. To manage the account information in the app 1. In the app, tap and then tap Account. 2. Manage account information. For example, changing user name, modifying the password, or choosing another display language. 7.
Operating the thermostat from the mobile app Widget overview 7 7.5 Widget overview The main control screens of the thermostat consist of three widgets: the temperature control widget, the fan widget and the running hours widget. Swipe to the left or right to switch between widgets. NOTE: The running hours widget indicates the heating and/or cooling consumption during a specific period of time. It displays only if you’ve enabled the heating and/or cooling. To access the widgets 1.
7 Operating the thermostat from the mobile app Widget overview 1 Options menu 2 Room name 3 Advanced settings. 4 Room humidity, outside air temperature and air quality display. 5 Indicates if the system is running in an energy-saving mode. If not, the leaf icon turns red. Touch the red leaf to switch back to energy-optimized operation. 6 Displays whether the thermostat is operating following a schedule or not. indicates the schedule is running while indicates the schedule is not activated.
Operating the thermostat from the mobile app Widget overview 7 7.5.2 Fan widget overview 1 Toggle to switch between the automatic mode or ON mode. For more information about how the fan works, see Fan control [➙ 19]. 2 Display only. Indicates whether the fan is the automatic mode or ON mode. 7.5.
7 28 | 38 Operating the thermostat from the mobile app Widget overview 1 Seven-day view by default, showing the heating and/or cooling running hours of each week day counting down from the current day. 2 Tap to switch to the four-week view. 3 Tap to switch to the 12-month view. 4 Indication of heating and/or cooling running hours: Orange bars are for heating while blue bars for cooling.
Operating the thermostat from the mobile app 7 Temperature control 7.6 Temperature control Regardless of whether the thermostat is operating per a schedule, the temperature setpoint can be overridden. If a schedule is active, the change is effective within the current scheduled mode and the setpoint returns to a scheduled value when the next transition occurs. If no schedule is active, the change is indefinite unless another change is made.
7 Operating the thermostat from the mobile app Switching between Heating and Cooling Once the schedule for one day is set, it can be copied to other days. In addition, preset setpoints for the different modes can be customized. To initiate schedule operation ● From the Home screen of either the thermostat or the mobile app, tap if is not displayed on the screen. To set time periods for different operating modes 1. On the temperature control widget screen, tap and then tap Thermostat schedule. 2.
Appendices 8 Frequently asked questions 8 Appendices 8.1 Frequently asked questions 8.1.1 What should I do if I forget the screen lock code? Try using the administrator password to unlock the screen. To unlock the screen using the administrator password 1. On the thermostat screen indicating that the screen lock code is incorrect, tap the question mark and then tap Login. 2. Input the administrator password, and then tap OK. 8.1.
8 Appendices Frequently asked questions to connect to a home network. Selecting the WLAN connection type differently only affects the entry to WLAN management: ● If you’ve selected Administrated WLAN *, you can only manage WLAN under Advanced Settings. ● If you’ve selected Private WLAN, you can manage WLAN under either Settings or Advanced Settings. NOTE: In order to differentiate institutional use from home use, this document recommends only Settings for home users to manage the WLAN connection. 8.1.
Appendices 8 Frequently asked questions ● The thermostat connected to a WLAN network once and could display time correctly. ● The thermostat hasn't been powered off for more than three minutes. Lacking either of the above conditions may result in incorrect time display. 8.1.11 Can I set the time manually? No, you can’t. The thermostat gets the time automatically after you've added the thermostat to a WLAN network and set a correct time zone. 8.1.
8 Appendices Technical specifications 8.1.19 How long are settings saved in the thermostat if power fails? User settings on the thermostat are not affected by power failure and remain until users change the original settings. 8.1.20 How does Free cooling work? Before the thermostat starts Free cooling, change the following extended configuration: ● Set terminal input X1 or X2 to Outside air temperature. ● Set input Aux Out W3/UNIV to Outside air damper.
Appendices EULA 8 8.3.2 FCC Regulations (USA) WARNING Modification of this device to receive cellular radio telephone service signals is prohibited under FCC rules and federal law. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
Index Index A account creation........................................................... 23 management................................................... 24 administrator passwords ................................... 18 create ............................................................. 18 manage .......................................................... 18 G Green Leaf ...................................................... 21 N network add ...........................................................
Issued by Siemens Industry, Inc. Smart Infrastructure 1000 Deerfield Pkwy Buffalo Grove IL 60089 +1 847-215-1000 A6V10733807_enUS_a © Siemens Industry, Inc., 2019 Technical specifications and availability subject to change without notice.
