Siemens POS8.4420/109 Basic Documentation

Room operator units
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POS8.4420/109; POS8.4440/109
Room operator units
Basic Documentation
A6V11471220_en--_e
2021-09-06
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Summary of Contents for Siemens POS8.4420/109

  • Page 1 POS8.4420/109; POS8.4440/109 Room operator units Basic Documentation A6V11471220_en--_e 2021-09-06...
  • Page 2: Table Of Contents

    Table of Contents About this document ..................3 Revision history ....................3 Before you start ....................3 Reference documents ..................4 Product overview ..................5 Type summary ....................5 2.1.1 Equipment combinations ..............5 Features ......................5 System topology ....................5 Mechanical design ...................
  • Page 3: About This Document

    Copyright This document may be duplicated and distributed only with the express permission of Siemens, and may be passed on only to authorized persons or companies with the required technical knowledge. Quality assurance These documents were prepared with great care.
  • Page 4: Reference Documents

    Siemens assumes no liability to the extent allowed under the law for any losses resulting from a failure to comply with the aforementioned points or for the improper compliance of the same.
  • Page 5: Product Overview

    For HVAC controlling, switching and monitoring functions 2.2 Features ● Measurement of room temperature (POS8.4420/109) ● Measurement of room temperature and humidity (POS8.4440/109) ● Keys to adjust the room temperature setpoint, ventilation, domestic hot water, scheduler settings depending on the controller application ●...
  • Page 6: Mechanical Design

    Product overview Mechanical design 2.4 Mechanical design Gasket for panel mounting KNX PL-Link bus connector Base plate with Jack connector for tool connection ● screw holes for all common conduit boxes ● guide channels for wiring from center, up, or bottom Room operator unit 2.5 Diagrams 2.5.1 Connection terminals...
  • Page 7: Connection Diagrams

    Product overview Diagrams Tool plug Connector Description KNX PL-Link (positive) KNX PL-Link (negative) 2.5.2 Connection diagrams Operation The device - room operating unit (POS8.44xx) The controller - room automation station Twisted pair A6V11471220_en--_e 7 | 70...
  • Page 8: Dimensions

    Product overview Dimensions 2.6 Dimensions Unit: mm Fig. 1: Dimensions for housing Fig. 2: Dimensions for mounting 8 | 70 A6V11471220_en--_e...
  • Page 9: Important Information On Safety And Disposal

    ● Third-party regulations, for example, by the general contractor or building owner. The electrical safety for building automation and control systems by Siemens is essentially based on safely separating low voltage from mains voltage. 3.2 Device-specific regulations KNX bus supply Note permissible line lengths and topologies when planning and installing controllers and field devices featuring KNX bus connection.
  • Page 10: Disposal

    Important information on safety and disposal Disposal 3.4 Disposal The device is considered an electronic device for disposal in accordance with European Directive and may not be disposed of as domestic waste. ● Use only designated channels for disposing the devices. ●...
  • Page 11: Mounting And Installation

    Check package contents Check the package contents for visible signs of transport damage and for completeness. Do not install parts damaged during shipment. Contact your Siemens representative in the event of damaged parts. Check operating Note the information in the data sheet of these operating instructions before...
  • Page 12: Mounting Instructions

    Mounting and installation Mounting instructions 4.2 Mounting instructions Mounting instructions ● Mounting instructions A6V10733764 are enclosed with the devices. Wall mounting ● Remove the breakout on the housing before putting the cable into the gaining channel. ● If 4-wire cables are used for daisy chain wiring, remove the cable coating, as it will not fit in the gaining channel.
  • Page 13 Mounting and installation Mounting instructions Dismounting/service A6V11471220_en--_e 13 | 70...
  • Page 14: Engineering

    Engineering 5 Engineering TempOutsideEff UHD (User HVAC Display) Process Data IR.ind TempOutsideEff Management Data ObjectType Configuration Data OutsideSensorZone Value (U TempRoomEff 14 | 70 A6V11471220_en--_e...
  • Page 15 Engineering UHD (User HVAC Display) Process Data IR.ind TempRoomEff Management Data ObjectType Configuration Data BuildingZone Value (U Room Value (U Subzone Value (U HumRelRoomEff UHD (User HVAC Display) Process Data IR.ind HumRelRoomEff Management Data ObjectType Configuration Data BuildingZone Value (U Room Value (U Subzone Value (U...
  • Page 16 Engineering Property Property Property LTE service Description name identifier access Datapoint Type (DPT) Interface 390 = UHD DPT_PropData Object Type Type (DPT_ID = 7.010) TempOutsideEf OTS.155 ---- IR.ind Process Data DPT_TempHV Input ACAbs_Z local copy *) Diagnostic Value TempRoomEff RTS.155 ---- IR.ind Process Data...
  • Page 17 Engineering Property Property Property LTE service Description name identifier access Datapoint Type (DPT) Interface 384 = UHRS DPT_PropData Object Type Type (DPT_ID = 7.010) HVACModeUs IR.req Process Data DPT_HVACMo Output de_Z HVACModeUs W.ind Process Data DPT_Bool erLocked Input HVACModeUs RSMHD.57 ---- IR.ind Process Data...
  • Page 18 Engineering Building Automation Device BA-Model BA-Binary-Calculated-Value BA-Binary-Process-Value Present-Value Present-Value Present-Priority Tracking-Value Priority-Array Reliability No-fault Why-Indication[16] Out-of-Service false Relinquish-Default Status-Flags: Reliability No-fault Overridden false Out-of-Service false Out-of-Service false Status-Flags: Fault false Overridden false In-Alarm false Out-of-Service false Inactive-Text unoccupied Fault false Active-Text occupied In-Alarm...
  • Page 19 Engineering Temporary mode Building Automation Device Room Control Room 1 BA-Model Binary-Calc-Value ResetTmpFanRequest Multistate-Proc-Value TemporaryFanMode Analog-Proc-Value TemporaryFanRemainTime Analog-Calc-Value ManualFanSpeed Binary-Calc-Value KitchenHoodRequest Present-Value 15 min Present-Value FirePlaceMode Binary-Calc-Value ManualFanMode Binary-Calc-Value FirePlaceRequest None Binary-Calc-Value FanBoostRequest FanBoostMode State-Text FirePlaceMode Present-Value Active KitchenHoodMode PL-1:PR=FSSM. Update-Count TmpFanMode I/O-Address...
  • Page 20 Engineering Property Property Property LTE service Description name identifier access Datapoint Type (DPT) Interface 390 = UHD DPT_PropData Object Type Type (DPT_ID = 7.010) TmpFanMode FSSM.166 ---- IR.ind Process Data DPT_TmpFan Input Mode local copy *) Diagnostic Value TmpFanModeR FSSM.167 ---- IR.ind Process Data...
  • Page 21 Engineering SARB HVAC Room Unit User HVAC RoomSettings UHRS User HVAC Display UHD RoomGroup 24.6.1 RoomGroup 24.6.1 LTE IR (+1K) TempRoomSetpUserOffsetEff TempRoomSetpUserOffset LTE IR (+1K) TempRoomSetpAbsEff LTE IR (21° C) TempRoomSetpUserOffsetLocked LTE W (false) LTE IR (15) TempRoomSetpAbsEffWhy TempRoomSetpUserOffsetMin LTE W (-3K) LTE W (+3K) TempRoomSetpUserOffsetMax Device Configuration...
  • Page 22 Engineering Property Property Property LTE service Description name identifier access Datapoint Type (DPT) StepIncrement Configuration DPT_Value_1_ HMI_TRSetpU Data Ucount sOffset BuildingZone Configuration DPT_UCountV Data alue8_Z Room Configuration DPT_UCountV Data alue8_Z Subzone Configuration DPT_UCountV Data alue8_Z DHW mode operation via Room Unit 22 | 70 A6V11471220_en--_e...
  • Page 23 Engineering Building Automation Device Control Program BA-Model Binary Calculated Value Multistate-Calculated-Value Multistate-Process-Value Binary Process Value Present-Value Auto Present-Value Normal Present-Value Active Present-Value Inactive Number-of-States Priority-Array …. Priority-Array …. Auto Present-Priority Present-Priority Normal Number-of-States State-Text Reduced Why-Indication [16] Off/FrostProtect Normal LegioProtect Reduced State-Text Off/FrostProtect...
  • Page 24 Engineering Property Property Property LTE service Description name identifier access Datapoint Type (DPT) Interface 181 = DPT_PropData Object Type UDHWSET Type (DPT_ID = 7.010) DHWModeUse IR.req Process Data DPT_DHWMod Output DHWModeUse W.ind Process Data DPT_Bool rLocked Input DHWModeUse DHWSM.56 ---- IR.ind Process Data DPT_DHWMod...
  • Page 25 Engineering Building Automation Device Control Program BA-Model Analog-Calculated-Value Analog-Process-Value Analog-Process-Value Present-Value 58° C Present-Value 65° C Present-Value 58° C Units ° C Priority-Array Priority-Array …. …. Present-Priority Present-Priority Min-Present-Value 45° C Units ° C Units ° C Max-Present-Value 60° C Why-Indication [16] Why-Indication [16] Update-Count...
  • Page 26 Engineering Property Property Property LTE service Description name identifier access Datapoint Type (DPT) Interface 181 = DPT_PropData Object Type UDHWSET Type (DPT_ID = 7.010) TempDHWSet IR.req Process Data DPT_TempHV pUser Output ACAbs_Z TempDHWSet DHWSM.162 ---- IR.ind Process Data DPT_TempHV pUserEff Input ACAbs_Z local copy *)
  • Page 27 Engineering Building Automation Device Control Program BA-Model Analog-Process-Value Present-Value 53° C Units ° C PL-1:PR=DHWTS. I/O-Address TempDHWEff; APP=DHW.1; represent PL-Link Data Acquisition DHW Temperature Sensor DHWTS (proxy) DHWZone 1 TempDHWEff LTE IR (53° C) Configuration Data DHW Zone PL-Link Room Unit User HVAC Display UHD DHWZone 1 TempDHWEff...
  • Page 28 Engineering Property Property Property LTE service Description name identifier access Datapoint Type (DPT) Interface 181 = DPT_PropData Object Type UDHWSET Type (DPT_ID = 7.010) DHWPushActiv DHWSM.163 ---- IR.ind Process Data DPT_Bool Input local copy *) Diagnostic Value DHWZoneCont Configuration DPT_UCountV roller Data alue8_Z...
  • Page 29 Engineering Building Automation Device Control Engineering & Operation & Program Commissioning Monitoring configure & automate operate & commission & control monitor Building Automation Model BA-Peripheral-Device-Object BA-Schedule-Object OpMSched Present-Value operational Peripheral-Dev-Type “RU_B“ Weekly-Schedule IO-Extension PDO-Config-“RU_B“ … … … … … … …...
  • Page 30 Engineering Property Property Property LTE service Description name identifier access Datapoint Type (DPT) HVACSDailyPr Daily Program DPT_HVACSS og_Th 1) Thursday witchPoint HVACSDailyPr Daily Program DPT_HVACSS og_Fr 1) Friday witchPoint HVACSDailyPr Daily Program DPT_HVACSS og_Sa 1) Saturday witchPoint HVACSDailyPr Daily Program DPT_HVACSS og_Su 1) Sunday...
  • Page 31 Engineering Building Automation Device Control Program BA-Model Device-Object Local-Time 10:36:28 Local-Date 31-05-2010; Monday UTC-Offset Daylight-Savings-Status true Firmware (OS) PL-Link Data Acquisition System Clock SCLO (Master) LTE Broadcast SystemClock LTE IR (2010-05-31;Mon;10:36:28;SuTi) RelToGMT LTE IR (120min) Optional feature; no real use case on PL-Link so far SCLO Configuration Data =>...
  • Page 32 Engineering Notification: Alarm / Service When alarm is active, the screen blinks until it gets acknowledged. Building Automation Device Control Program ‚Alarm’ Control Program ‚Maintenance’ Aggregate State Aggregate State Detection Detection Detection Detection & Select Machine & Select Machine BA-Model APV-Object MPV-Object APV-Object...
  • Page 33 Engineering Property Property Property LTE service Description name identifier access Datapoint Type (DPT) local copy 2) Diagnostic Value MaintenanceInf ALSRC.194 IR.ind Process Data DPT_AlarmInfo o_CS Input local copy 1) Diagnostic Value MaintenanceAc ALSRC.192 W.req Process Data DPT_Ack knowledge Output Property Property Property LTE service...
  • Page 34 Engineering Building Automation Device Control Program BA-Model Multistate-Process-Value Multistate-Process-Value Present-Value Economy Present-Value HardwareContact Priority-Array …. Present-Priority Why-Indication[16] Number-of-States Number-of-States Auto Protection RUManualPermanent Economy State-Text Manual override of HVACMode via Multistate-Input-Object State-Text RUManualTemporary Precomfort a hardware contact will normally HardwareContact Comfort Present-Value EconomySwitch result in Present-Priority=7...
  • Page 35 Engineering Property Property Property LTE service Description name identifier access Datapoint Type (DPT) BuildingZone Configuration DPT_UCountV Data alue8_Z Room Configuration DPT_UCountV Data alue8_Z Subzone Configuration DPT_UCountV Data alue8_Z A6V11471220_en--_e 35 | 70...
  • Page 36: Commissioning

    Commissioning Programming pin and service LED 6 Commissioning Prerequisites Before commissioning a room operator unit, make sure an application is downloaded onto the connected controller, from where the functions are downloaded into the room operator unit. After successful commissioning, the room operator unit displays the default operating page defined in the application loaded in the controller.
  • Page 37: Reset To Factory Setting

    Commissioning Programming pin and service LED - If the test is positive, the LED is lit continuously. - If the test fails, the LED flashes (1 s on, 1 s off). 2. Briefly press the programming pin (<2 s) to stop displaying the result of the connection test.
  • Page 38: Technical Data

    Technical data 7 Technical data Power supply Operating voltage KNX PL-Link DC 21...30 V Max power consumption 7...10 mA Interfaces Type of port between controller and room KNX PL-Link operating unit KNX PL-Link Baud rate 9.6 kbps Protocol KNX PL-LINK Wire diameter 0.8 mm, max.
  • Page 39 ● Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. ● Consult the dealer or an experienced radio/TV technician for help. General data (POS8.4420/109) Color Signal white (RAL9003) Weight 145 g General data (POS8.4440/109)
  • Page 40: Functions

    Functions 8 Functions Elements Functions Home mode / Away mode / Temporary mode Temporary mode: Ventilation boost / Fire place HVAC Mode: Comfort / Economy / Unoccupied / Protection Auto / Manual Manual Ventilation page Temperature page Domestic hot water page Notification page Clock page General page / Expert page...
  • Page 41 Functions Elements Functions Cancel Go back Exit / next + / - Increase / decrease Add a switch point Edit Delete 1 2 3 4 5 6 7 1=Monday, 2=Tuesday, …, 6=Saturday, 7=Sunday Time Switch point Time scheduler bar Read parameter mode Outside temperature Room temperature Auxiliary input for comfort mode...
  • Page 42: Operation

    Operation Ventilation page 9 Operation 9.1 Ventilation page Start-up page When the device is switched on, the startup page displays product-related information including product model, software version, and SN number for 3 seconds. Then the screen turns to the home page. In home mode Buttons 1 and 5 Toggle through home mode, temporary mode and...
  • Page 43: Temperature Page

    Operation Temperature page Button 1 and 5 Toggle through home mode, temporary mode and away mode Toggle between temporary modes: Ventilation Button 2 and 6 boost and fire place Button 3 No function (no arrow symbol displayed) Button 7 Press to start the selected temporary mode: Ventilation boost or fire place Button 4 and 8 Toggle through different pages: Ventilation,...
  • Page 44: Domestic Hot Water Page

    Operation Domestic hot water page 9.3 Domestic hot water page In home mode Buttons 1 and 5 Toggle through home mode, temporary mode and away mode Buttons 2 and 6 Toggle between auto mode and manual mode Buttons 3 and 7 Increase or decrease temperature Buttons 4 and 8 Toggle through different pages: Ventilation,...
  • Page 45 Operation Notification page Alarm notification When an event comes in, e.g., event number 1236, the following is displayed. The screen blinks until it gets acknowledged. Press any button to enter the next page: Note: stands for type 1: Alarm notification. When a new alarm comes in, it overrides the existing one.
  • Page 46 Operation Notification page The following is displayed automatically after all alarms are acknowledged. With only notifications left, press button 7 to enter the reset page. On the reset page, press 3 or 7 to switch between notification and reset page. notifications are deleted after resetting and the screen returns to the notification page.
  • Page 47 Operation Notification page Service notification For events , there is no pop up screen. To check the notifications, press button 4 or 8 on the default page to enter the notification page as below: Note: stands for type 2: Service notification. A new service notification overrides the existing one.
  • Page 48: Clock Page

    Operation Clock page The following is displayed automatically after all notifications are acknowledged. Service notifications disappear and the screen returns to the notification page after the device receives a maintenance, normal and Acked (acknowledged) feedback from the controller. 9.5 Clock page Buttons 1, 2, 3, 6, and 7 No function (no arrow symbols displayed) Button 5...
  • Page 49: Standard And Expert Settings

    Operation Standard and expert settings Button 1 Press to exit and save the settings Buttons 2 and 6 Press to select a weekday Buttons 3, 4, 5 and 7 No function (no arrow symbols displayed) Button 8 Press to edit the scheduler settings for the selected weekday From the above page, press button 8 to enter the following page to further edit the scheduler:...
  • Page 50 Operation Standard and expert settings Button 1 Press to exit and save the settings Buttons 2 and 6 Press to select a setting Buttons 3 and 7 Toggle through the parameters Buttons 4, 5 and 8 No function (no arrow symbols displayed) Expert settings From the default page, long-press buttons 6 and 8 simultaneously to enter the expert settings page:...
  • Page 51: Standby Page

    Operation Standby page 9.8 Standby page When no operation occurs on the screen for a while, the room operator units turns off backlighting and displays the standby page automatically. There are 5 types of standby pages. Users can select from the standard settings P02. Press any button to activate backlighting and any button again to enter the default page.
  • Page 52: Appendix

    ---- Code assigned by the ACTURER_I PDT_UNSIGNE KNX Association to D_INT identify the manufacturer of the device. 253 / 0x00FD = Siemens Schweiz AG PID_DEVICE B8 / RW ---- VerifyMode Contol for KNX Standard: _CONTROL PDT_BITSET8 UserMemery_Write chapter 3-5-1, clause...
  • Page 53 Appendix Object list (DPT_ID = the Verify-Mode Flag. 21.002)] When using chapter 3-5-2, clause connectionless 3.19 UserMemWrite, then DM_UserMem_Write verifyMode shall be active PID_ORDER PDT_GENERIC ---- manufacturer specific DPT-ID out of _INFO Order Information proprietary range, as DPT_OrderInfo Specified in Synco (DPT-ID = 60110.60002) PID_ROUTIN...
  • Page 54 Appendix Object list Type 7: 7 7.1.2.9.3 All others: reserved DevIdentTrig B1 / RW W.in Triggers sending of PDT_BINARY_I DevIdent when NFORMATION DevIdentAutoSend is B1 / false. DPT_Trigger This is an LTE-Write- Input ConnectionT N8 / RW ---- Used for Feedback DPT definition: SD- estState PDT_ENUM8...
  • Page 55 Appendix Object list lue8_Z ACS Product PT_GENERIC_ ---- Contains serial no., DPT-ID out of device family etc. proprietary range, as DPT_AcsProdu is constant for a given Specified in Synco ctId device. (DPT-ID = For more details, see 60112.60000) Synco specification documents PlantImageId DPT_GENERIC...
  • Page 56 Appendix Object list D_CHAR d.ind LTE-Read onto this _Data_Aquisition: U8 / Property 7.1.2.10.1 DPT_Value_1_ KNX Standard, Ucount chapter 3-5-1, PID_OBJECT_INDEX Apartment U8Z8 / RW ---- DPT_UcountVa lue8_Z Room U8Z8 / RW ---- DPT_UcountVa lue8_Z Subzone U8Z8 / RW ---- DPT_UcountVa lue8_Z UI_Tstd U8 /...
  • Page 57 Appendix Object list EnableSyste DPT_Enable RW ---- [T022.S055- mClockSettin 2D040.001] Property- List of ABI CPC- “RU_B” EnableFanB DPT_Enable RW ---- oostOp EnableFirePl DPT_Enable RW ---- aceOp EnableKitche DPT_Enable RW ---- nHoodOp EnableHeatin DPT_Enable RW ---- gScreen EnableDHW DPT_Enable RW ---- Screen RTS - Interface...
  • Page 58 Appendix Object list PDT_UNSIGNE d.ind Index Discovery via T060.0601_EN_SARB D_CHAR LTE-Read onto this _Data_Aquisition: U8 / Property 7.1.2.10.1 DPT_Value_1_ KNX Standard, Ucount chapter 3-5-1, PID_OBJECT_INDEX TempOutside V16Z8 / IR.in Outside temperature DPT_TempHV value provided by the ACAbs_Z Automation Device (° C) *) Field Description Sup.
  • Page 59 Appendix Object list providing the remaining duration of an activated temporary HRV fan mode. TmpFanModeRemain Time will be zero if no temporary HRV fan mode is active or in case of an activated Kitchen Hood mode which is not automatically terminated by timeout.
  • Page 60 Appendix Object list between timed or indefinite fan mode and to indicate the validity of input property TmpFanModeRemain Time. TmpFanModeCountdo wn is provided by ABI FSSM Apartment U8Z8 / RW ---- DPT_UcountVa lue8_Z Room U8Z8 / RW ---- DPT_UcountVa lue8_Z Subzone U8Z8 / RW ----...
  • Page 61 Appendix Object list This input signal is used by SCLO slave to synchronise its local clock: i.e. SystemClock information is copied to LocalClock. SystemClock U8[r4U4][r3U5][ W.re SystemClockSetting => KNX Standard, Setting U3U5][r2U6][r2 refers to the process chapter 7/1/1, FB U6]B16 / input property of ABI System Clock, clause DPT_DateTime...
  • Page 62 Appendix Object list UFS - Interface U16 / ---- Fan Speed user's User PDT_UNSIGNE Object type setting D_INT Speed Setting ObjectIndex U8 / needed for Object => SD- PDT_UNSIGNE d.ind Index Discovery via T060.0601_EN_SARB D_CHAR LTE-Read onto this _Data_Aquisition: U8 / Property 7.1.2.10.1 DPT_Value_1_...
  • Page 63 Appendix Object list Place ventilation mode in HRV applications. Apartment U8Z8 / RW ---- DPT_UcountVa lue8_Z Room U8Z8 / RW ---- DPT_UcountVa lue8_Z Subzone U8Z8 / RW ---- DPT_UcountVa lue8_Z UHRS - Interface U16 / ---- Room temperature set User Object type PDT_UNSIGNE point.
  • Page 64 Appendix Object list '=> cASA-[T022.S031- 2]-SARB-Data- Mapping-HVAC TempRoomS V16Z8 / IR.in => cASA-[T022.S031- etpUserOffse DPT_TempHV 2]-SARB-Data- tEff ACRel_Z Mapping-HVAC StepIncreme U8 / RW ---- This property is a Default Value = 1 ntHMI_TRSe DPT_Value_1_ factor value (integer), tpUsOffset Ucount with which the smallest locally defined step increment (in current units) is...
  • Page 65 Appendix Object list visualized on PL-Link Room Units like RU-B AlarmAckno PDT_BINARY_I W.re AlarmAcknowledge wledge NFORMATION refers to the process / DPT_Ack output property of AB ALSNK to trigger the acknowledgement of an unacknowledged Alarm indication via PL-Link Room Units like RU-B.
  • Page 66 Appendix Object list Sensor HVACS Interface U16 / ---- HVAC Schedulers ABI HVACS is a proxy - HVAC Object type PDT_UNSIGNE to map and represent Schedul D_INT the BA-Weekly- Schedule on PL-Link ObjectIndex U8 / PDT_UNSIGNE D_CHAR U8 / DPT_Value_1_ Ucount HVACSDaily DPT_HVACSS...
  • Page 67 Appendix Object list the DWH storage tank once to the ‘Normal’ temperature setpoint. • Default Value (after powerup) = 0 • DHWPushUser is a trigger signal that must not be sent after a powerup. DHWPushUser may be triggered by user interaction on the HMI only.
  • Page 68 Appendix Object list • Local copy of property DHWModeUserEff becomes valid if the 1st DHWModeUserEff message is received DHWPushAc B1 / DPT_Bool IR.in DHWPushActive tive refers to the process intput property of AB UDHWSET to indicate whether the DHW push function is active or not.
  • Page 69 Appendix Object list TempDHWS B1 / DPT_Bool W.in TempDHWSetpUserL etpUserLock ocked refers to the proprietary input process signal of AB UDHWSET to lock or enable the manual adjustment of TempDHWSetpUser on the Room Unit. TempDHWS V16Z8 / ---- TempDHWSetpUserMi => [T022.S040- etpUserMin DPT_TempHV n refers to the...
  • Page 70 Issued by Siemens Switzerland Ltd Smart Infrastructure Global Headquarters Theilerstrasse 1a CH-6300 Zug +41 58 724 2424 www.siemens.com/buildingtechnologies © Siemens Switzerland Ltd, 2021 Technical specifications and availability subject to change without notice. A6V11471220_en--_e...

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