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5.5.1 Linear fan speed (VntCtl23y, FanSu23y, FanEh23y)

Fan speed control

Supply fan and exhaust fan setpoints have defined setting for each operating mode
level. Individual percentage value is used between 0…100 %. These settings only
define the fan speed used in various operating modes and they have no effect on
other functions like de-icing or AQ/r.H. control.

During active AQ/r.H. control, values set here are used as minimum speed. During
active temperature control, values set here are used as maximum speed.
Depending on deviations to setpoint, temperature, AQ/r.H. control can freely
increase/decrease the speed of both fans simultaneously with symmetrical control
signal which then keeps the set supply / exhaust ratio in every situation.

Fan speed monitoring

Fan spend can be monitored to detect the actual speed of the fans or possible
device problems if fans with tacho signal output are used, or a separate analog
input for fan speed is available, or if Modbus fans are used, the fan speed can be
monitored to detect the actual speed of the fans or possible device problems. The
tacho input signal is mapped to a 0...100% value and each fan has a configurable
minimum fan speed and a minimum feedback signal assigned to the minimum fan
speed value. A fan speed feedback fault is detected if fan speed output is higher
than the minimum fan speed and the fan speed feedback drops below the fan
speed feedback fault limit for longer than an allowed tolerance time.

The allowed tolerance time (limited to a maximum of 60 sec) is the time, after
switching on, that it has built up the correct air flow. The same conditions apply for
the startup procedure. The startup configuration is also used for the fan speed
monitoring.

Fan speed feedback fault is combined with the fan error signal to create a fan fault
alarm.

For Modbus fans, Modbus communication is also supervised.

The alarm category of all fan alarms for both fans can be configured as

●

A-Alarm (shutting down the plant) or

●

B-Alarm (only indication, no shutdown function) or

●

None (no fault supervision. Use only when no feedback signal exists and do
not use on Modbus fans).

Available parameters for
linear fan speed

Unit configuration

BACnet object

R/RW

Unit

Minimum fan speed

FanSpdMinRel

AVAL,210

RW

%

Fan speed feedback fault limit

FanSpdFbFltLm

AVAL,209

RW

% if no feedback signal
available, see alarming

Allowed tolerance time fan speed
feedback fault supply fan = startup
delay time step 7

TiSttUpSpdVnt

PINTVAl,104

RW

Tolerance time =
TiSttUpSpdVnt – 5 sec,
maximal 60 sec

Allowed tolerance time fan speed
feedback fault exhaust fan =
startup delay time step 6

DlyOnAflEhSta

PINTVAL,129

RW

Tolerance time =
DlyOnAflEhSta – 5 sec,
max. 60 sec

Ramp up/down time fans

TiRmpFanSuSpd

PINTVAL,105

RW

s

Application functionalities

Fan speed control

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Содержание Climatix S300 HRV

Страница 1: ...ice Organization End user Installer Production management Building management Climatix Heat Recovery Ventilation with S300 HRV controllers Application Guide A6V10733786_en_c Smart Infrastructure 2020 12 16 ...

Страница 2: ... 21 3 2 3 Heating Hcl 22 3 2 4 Cooling Ccl 23 3 2 5 Control inputs outputs 24 4 Configuration 25 4 1 Wireless connection with POL903 25 4 2 ABT Go configuration 26 4 2 1 Accessing the device 27 4 2 2 Basic configuration 27 4 2 3 Extended configuration 28 4 3 Choosing the functions 29 4 4 Selecting the device connections 31 4 4 1 Peripheral devices 31 4 4 2 Room operating unit Monitoring devices PO...

Страница 3: ...cade control TCasCtlH21y and TCasCtlC21y 88 5 8 4 Fan heating cooling influence 90 5 9 Energy Recovery 91 5 9 1 Rotational Heat Exchanger RotHExg21y 91 5 9 2 Passive Heat Exchanger controlled PltHExg21y 99 5 9 3 Passive Heat Exchanger uncontrolled PltHExg22y 107 5 10 Heating 111 5 10 1 Water based heating with frost protection HclHw21y 111 5 10 2 Electrical heater HclEl21y 113 5 11 Cooling 115 5 1...

Страница 4: ... pressure sensor 2 QBM97 149 6 2 4 Ebm papst supply air fan 150 6 2 5 Ebm papst exhaust air fan 152 6 2 6 Zero pressure calibration 153 6 3 Modbus slave 154 6 3 1 Use cases for Modbus slave engineering 154 6 3 2 Port description and default settings 154 6 3 3 Port adjustments 154 6 3 4 R W communication functions supported function codes 156 6 3 5 Encoding of data types 159 6 3 6 Mapping applicati...

Страница 5: ... of manufacturing industrial security html Siemens portfolio undergoes continuous development to make it more secure Siemens strongly recommends that updates are applied as soon as they are available and that the latest versions are used Use of versions that are no longer supported and failure to apply the latest updates may increase your exposure to cyber threats Siemens strongly recommends to co...

Страница 6: ...and safe operation of the device system described here requires proper transportation correct warehousing mounting installation commissioning operation and maintenance You must comply with permissible ambient conditions You must comply with the information provided in the Section Technical data and notes in the associated documentation Fuses switches wiring and grounding must comply with local saf...

Страница 7: ...air flow regulation VntCtl21y FanSu21y FanEh21y 64 Constant duct pressure VntCtl22y FanSu22y FanEh22y 69 Additional information on Air temperature control Supply air temperature control TSuCtlH21y 83 Supply air regulation with outdoor temperature compensation 86 Fan heating cooling influence 90 New chapter added Recirculating air damper 119 Additions to Start up sequences Start up shut down sequen...

Страница 8: ...4 Factory Reset 54 Modbus objects introduced 4 5 x Several corrections 4 5 3 Several corrections 4 6 2 Corrections and function extensions Energy Recovery 91 Functions extension Filter supervision FilAMon21y 121 Several corrections 4 14 4 15 Several corrections 4 21 2 Restructured extended corrected Modbus components 146 New sections Ebm papst supply air fan 150 Ebm papst exhaust air fan 152 New l...

Страница 9: ... national statutory provisions Trademarks Legal owner BACnet American National Standard ANSI ASHRAE 135 1995 KNX Konnex Association B 1831 Brussels Diegem Belgium http www konnex org MODBUS The Modbus Organization Hopkinton MA USA All the product names listed are trademarks or registered trademarks of their respective owners as listed in the table Further to the notes in this section and to facili...

Страница 10: ... Purpose of the document This document describes the Siemens Standard Heat Recovery Ventilation HRV application It provides an overview for the configuration and operation of the application as well as descriptions of the functionalities NOTICE Depicted application are exemplary This document is not intended to provide detailed information about possible required parameters configuration device co...

Страница 11: ...ce DP switch Differential pressure switch ERC Energy recovery FB Feedback HRV Heat Recovery Ventilation I O Input Output MAN Manual operation mode Max Maximum Min Minimum NC Normally closed NO Normally open PM Particulate matter R RW Read only Read and writable value rH Relative Humidity TSP Time Switch Program VAV Variable Air Volume About this document Abbreviations 2 A6V10733786_en_c 11 170 ...

Страница 12: ... nr Product description application Pole Area Phoenix type Phoenix key MOQ POL005 15 STD S55843 Z151 F100 2 pole connector orange power supply 2 230 V Phoenix 1773879 MVSTBW 2 5 2 ST OG 100 POL005 25 STD S55843 Z152 F100 2 pole connector 2 230 V Phoenix 1792524 MVSTBW 2 5 2 ST 100 POL005 35 STD S55843 Z152 F100 3 pole connector 3 230 V Phoenix 1792537 MVSTBW 2 5 3 ST 100 4 pole Note use 2 pole con...

Страница 13: ...with housing piezo resistive pressure sensing element Pressure 1 or 2 2 2 Modbus slave 20 Room operator units with sensors Document title Document type Document ID Room operator units POS8 4420 109 POS8 4440 109 Basic documentation A6V11471220 Data sheet A6V11519429 Mounting instructions A6V10733764 Type number Stock number Product description application Sensor element Display Com MOQ POS8 4420 1...

Страница 14: ...heet Room sensor with different sensor combinations Temperatur e Air quality CO2 VOC Humidity Optional DC 0 10 V 1 QSA2700 See Datasheet Room fine dust sensor Fine dust PM2 5 10 Optional DC 0 10 V 1 Note the listed devices are compatible with POS3 3515 100 or POS3 5715 100 Duct sensors Document title Document type Document ID Duct Temperature Sensors QAM21 Datasheet CE1N1761 Duct sensors QFM31 Dat...

Страница 15: ...ix app Operation app for end user including scheduler Customizable start code from Siemens available Please address to local sales representative In the responsibility of the customer ABT Go contains a comprehensive online documentation Cloud based remote monitoring and intelligent diagnostics system Document title Document type Document ID Climatix IC20 Remote Servicing Data sheet DE EN A6V104491...

Страница 16: ... parties is made possible by the open communication interfaces For maximum convenience and minimum energy consumption HMIs or smartphone apps are available to the end customer for operation Thanks to the integration in Climatix IC our customers have the opportunity to use diagnostic and remote maintenance functions This documentation describes the pre loaded HRV application in the context of the S...

Страница 17: ...ng and diagnostics via connection to the Climatix IC cloud Production management Monitoring via BACnet or Modbus connection End user Autonomous operation of the heat recovery ventilation system via End User app Building management Monitoring via BACnet or Modbus connection Installer Installation and configuration via WLAN stick and ABT Go app Room operator unit and sensors Configurable via PL Link...

Страница 18: ...3 2 Schematic plant diagram Short description of application Schematic plant diagram 3 18 170 A6V10733786_en_c ...

Страница 19: ...eedback FilAirDiffPMon Air filter differential pressure monitor HExgDiffPMon Heat exchanger diff pressure monitor HuRelEx Relative humidity for extract air HuRelR Relative humidity for room PEx Extract air pressure PmR Particulate matter in room PSu Supply air pressure TEx Extract air temperature TEh Exhaust air temperature TOa Outside temperature TR Room temperature TSu Supply air temperature TSu...

Страница 20: ...HclElPos BO PreHclElCmd T T PreHclOvrTDet Preheating coil overtemperature detector PreHclElPos Preheating coil electric position PreHclElCmd Preheating coil electric command Brine BO PreHclPuCmd AI TFlPreHcl T TFlPreHcl Flow temperature preheating coil PreHclPuCmd Preheating coil pump command Short description of application Schematic plant diagram 3 20 170 A6V10733786_en_c ...

Страница 21: ...er command HExgCdnMon Heat exchanger condensation monitor HExgDiffPMon Heat exchanger diff pressure monitor Rotary AO RotHExgSpd BO HExgDmpBypCmd BI RotHExgFlt M M HExgDmpBypCmd Heat exchanger bypass damper command RotHExgSpd Rotary heat exchanger speed RotHExgFlt Rotary heat exchanger fault Short description of application Schematic plant diagram 3 A6V10733786_en_c 21 170 ...

Страница 22: ...Pos Heating coil electric position HclElCmd Electric heating coil command Water AO HclVlvPos BO HclPuCmd AI TFrPrtHcl T M TFrPrtHcl Frost protection temp for heating coil HclPuCmd Heating coil pump command HclVlvPos Heating coil valve position Short description of application Schematic plant diagram 3 22 170 A6V10733786_en_c ...

Страница 23: ... Cooling coil valve position Direct evaporator BO CclDxCmd AO CclDxPos BI CclDxFlt CclDxCmd Cooling coil DX evaporator command CclDxPos Cooling coil DX evaporator position CclDxFlt Cooling coil DX evaporator fault Short description of application Schematic plant diagram 3 A6V10733786_en_c 23 170 ...

Страница 24: ...ilation input FplcVntln Fireplace ventilation input RpdVntln Rapid ventilation input value EmgOff Emergency off Smext Smoke extraction USBPowerIn USB power input BO control outputs CmnAimIndOut Common alarm indication output AalmIndOut A Alarm indication output BalmIndOut B Alarm indication output OpIndOut Operation indication output DhumFrsdCmd Dehumidifier free standing command Short description...

Страница 25: ...al values BACnet object R RW Note USB supply power switch USBPowerIn BI 148 D1 BI 149 D2 R Push button IP address NwkPortIP RW Basic settings BACnet object R RW Note USB supply power setting USBPower BVAL 352 RW Initial configuration 1 Connect POL903 with POS3 5715 device on the USB port 2 Power on POS3 5715 device 3 The WLAN signal is available after 5 minutes phone or PC 4 The default WLAN name ...

Страница 26: ...asic and extended configuration the controller will stop the application When leaving the configuration mode the device will restart To access the BACnet registers that are listed in this document a BACnet explorer can be used To set up the communication to the controller the Ethernet port can be used Note the following facts Application choice and hardware configuration are completely independent...

Страница 27: ...d has to comply with the following rules At least 8 characters 3 out of 4 of the following conditions must be satisfied At least one uppercase alphabetic character At least one lowercase alphabetic character At least one digit At least one non alphabetic character 4 2 2 Basic configuration To change the device configuration online in ABT Go 1 Go to Device Configuration Online configuration basic N...

Страница 28: ...nt to leave this mode without having any changes applied you have to manually set the setpoints back 3 Select your choices and modify the values according the requirements of the customer plant 4 Tap Apply Restart application a The device restarts and processes the new configuration a After a successful restart the device state is set to Operational a The settings of the choices are applied data p...

Страница 29: ...lue depending on the outside air temperature modulating the available actuators default Temperature cascade control 21y Controls room or extract air temperature to a value depending on the outside air temperature modulating the supply air temperature setpoint Kitchen hood ventilation operation STR_VIEW 168 None No kitchen extract fan available default Active Kitchen extract fan available default F...

Страница 30: ...ating control default Passive heat exchanger 22y without bypass damper Passive heat exchanger without control Heating coil STR_VIEW 138 None No heating coil available default Electric heating coil 21y Electric heating coil modulating Hot water heating coil 21y Hot water heating coil modulating with frost protection Cooling coil STR_VIEW 142 None No cooling coil available default Chilled water cool...

Страница 31: ...x QBM97 Modbus duct air pressure sensors with 2 pressure sensors 2 inputs 2 outputs each Activating the devices Peripheral devices BACnet object Selection Note Selection for I O extension device POS9 Pos9Sel STR_VIEW 341 None default No device Active Modbus device POS9 connected communication is monitored Selection for duct pressure device QBM97 1 Qbm97Sel 1 STR_VIEW 344 None default No device Act...

Страница 32: ...ication can t be established or gets lost a collective B Alarm is triggered 3101 Room sensor KNX PL Link communication error 4 4 3 QMX room sensors Available devices One device of each type of QMX3 can be connected to the controller board using KNX PL Link QMX3 P30 with a room temperature sensor QMX3 P40 with room temperature and room humidity sensor QMX3 P70 with room temperature room humidity an...

Страница 33: ...ending on the application and the functions selected in Basic configuration the required I O signals must be set at the desired terminals Controller board T4 L N T1 T18 T2 T16 T11 T12 T15 Heat Sink SELV Area KNX KNX Ref Ref Ref 24V 24V 5V X1 X2 X3 A1 A2 A3 A4 X8 B1 B2 B3 B4 T3 T7 T14 T19 D1 Ref1 D2 Q13 Q14 Q23 Q24 Q33 Q34 C Y1 T6 T5 A6V11417931Z06 HV Area Configuration Configuring the hardware 4 A...

Страница 34: ... Digital Binary Input 1 Measuring 0 10V 2 Potential free contact NO or NC AI BI A1 A2 A3 A4 Analog Output 1 Signal 0 10V AO X8 Analog Digital Binary Input 1 Resistor NTC10k 2 Potential free contact NO or NC AI BI D1 D2 Digital Binary Input 1 Potential free contact NO or NC BI Q1 Q2 Q3 Relay Binary Output 1 Potential free contact NO BO Y1 Digital Binary Analog Output Triac VAC 1 Signal On Off 2 Sig...

Страница 35: ...ifferential pressure input X21 Analog Input 1 Resistor NTC10k AI X22 Analog Input 1 Measuring 0 10V AI A21 Analog Output 1 Signal 0 10V AO Q21 Relay Binary Output 1 Potential free contact NO BO In and output settings are always visible in Extended configuration even if the device is not activated basic configuration Configuration Configuring the hardware 4 A6V10733786_en_c 35 170 ...

Страница 36: ...ace Type Note P1 P2 Air pressure input AI1 Analog Input 1 Resistor NTC10k AI AI2 Analog Input 1 Measuring 0 10V AI AO1 AO2 Analog Output 1 Signal 0 10V AO In and output settings are always visible in Extended configuration even if the device is not activated basic configuration Configuration Configuring the hardware 4 36 170 A6V10733786_en_c ...

Страница 37: ...Supply air temperature after heat exchanger TSuAfHExg R NTC10k 50 80 C Supply air temperature after preheating coil TSuAfPreHcl R NTC10k 50 80 C Flow temperature preheating coil TFlPreHcl R NTC10k 50 80 C Frost protection temperature for heating coil TFrPrtHcl R NTC10k 50 80 C Input X1 Parameter BACnet object Selection for X1 X1Sel STR_VIEW 53 Selection BACnet object R W Signal type Range None Sup...

Страница 38: ...ation input KtchVntIn R Contact NO Fireplace ventilation input FplcVntIn R Contact NO Air filter differential pressure monitor FilAirDiffPMon R Contact NO Fire damper feedback FdpFb R Contact NO Preheating coil overtemperature detector PreHclOvrTDet R Contact NC Heat exchanger condensation monitor HExgCdnMon R Contact NO Rotary heat exchanger fault RotHExgFlt R Contact NO Heat exchanger differenti...

Страница 39: ...ter differential pressure monitor FilAirDiffPMon R Contact NO Fire damper feedback FdpFb R Contact NO Preheating coil overtemperature detector PreHclOvrTDet R Contact NC Heat exchanger condensation monitor HExgCdnMon R Contact NO Rotary heat exchanger fault RotHExgFlt R Contact NO Heat exchanger differential pressure monitor HExgDiffPMon R Contact NO Heating coil overtemperature detector HclOvrTDe...

Страница 40: ...eat exchanger condensation monitor HExgCdnMon R Contact NC NO Rotary heat exchanger fault RotHExgFlt R Contact NC NO Heat exchanger differential pressure monitor HExgDiffPMon R Contact NC NO Heating coil overtemperature detector HclOvrTDet R Contact NC NO Cooling coil DX evaporator fault CclDxFlt R Contact NC NO Emergency off EmgOff R Contact NC NO Smoke extraction Smext R Contact NC NO Input room...

Страница 41: ...00 3000 Pa Input X21 Parameter BACnet object Selection for X21 X21Sel STR_VIEW 181 Selection BACnet object R W Signal type Range None Extract air temperature TEx R NTC10k 50 80 C Exhaust air temperature TEh R NTC10k 50 80 C Supply air temperature after heat exchanger TSuAfHExg R NTC10k 50 80 C Supply air temperature after preheating coil TSuAfPreHcl R NTC10k 50 80 C Flow temperature preheating coi...

Страница 42: ...r 0 3000 Pa Extract air pressure PEx R Integrated sensor 3000 3000 Pa Diff press exhaust air filter DiffPFilAEh R Integrated sensor 3000 3000 P Input P2 Parameter BACnet object Selection for P2 P2Sel QBM97 1 STR_VIEW 331 QBM97 1 STR_VIEW 426 Selection BACnet object R W Signal type Range None Differential pressure exhaust air fan DiffPFanSu R Integrated sensor 0 3000 Pa Supply air pressure PSu R In...

Страница 43: ...r temperature after preheating coil TSuAfPreHcl R NTC10k 50 80 C Flow temperature preheating coil TFlPreHcl R NTC10k 50 80 C Frost protection temperature for heating coil TFrPrtHcl R NTC10k 50 80 C Input AI2 Parameter BACnet object Selection for AI2 AI2Sel QBM97 1 STR_VIEW 335 QBM97 1 STR_VIEW 460 Selection BACnet object R W Signal type Range None Extract air quality AQualEx R 0 10V 0 2000 ppm Rel...

Страница 44: ...ic heating coil command HclElCmd R W Relay NO Heating coil pump command HclPuCmd R W Relay NO Cooling coil pump command CclPuCmd R W Relay NO Cooling coil DX evaporator command CclDxCmd R W Relay NO Dehumidifier free standing command DhumFrsdCmd R W Relay NO A Alarm indication output AalmIndOut R W Relay NO B Alarm indication output BalmIndOut R W Relay NO Common alarm indication output CmnAlmIndO...

Страница 45: ...lPos R W 0 10V 0 100 Heating coil valve position HclVlvPos R W 0 10V 0 100 Cooling coil valve position CclVlvPos R W 0 10V 0 100 Cooling coil DX evaporator position CclDxPos R W 0 10V 0 100 Output Y1 Parameter BACnet object Selection for Y1 Y1Sel STR_VIEW 68 Selection BACnet object R W Signal type Range None Preheating coil electric position PreHclElPos R W PWM Triac pulse period 10s 0 100 Heating...

Страница 46: ... W Relay NO Dehumidifier free standing command DhumFrsdCmd R W Relay NO A Alarm indication output AalmIndOut R W Relay NO B Alarm indication output BalmIndOut R W Relay NO Common alarm indication output CmnAlmIndOut R W Relay NO Operation indication output OpIndOut R W Relay NO Output A21 Parameter BACnet object Selection for A21 A21Sel STR_VIEW 272 Selection BACnet object R W Signal type Range No...

Страница 47: ...ly air fan speed FanSuSpd R W 0 10V 0 100 Exhaust air fan speed FanEhSpd R W 0 10V 0 100 Preheating coil electric position PreHclElPos R W 0 10V 0 100 Heat exchanger bypass damper position HExgDmpBypPos R W 0 10V 0 100 Rotary heat exchanger speed RotHExgSpd R W 0 10V 0 100 Heating coil electric position HclElPos R W 0 10V 0 100 Heating coil valve position HclVlvPos R W 0 10V 0 100 Cooling coil val...

Страница 48: ...nput RpdVntIn Contact NO D2 Input room operating mode unoccupied UcdOpModRIn Contact NO X1 Supply air fan speed feedback voltage FanSuSpdFb 0 10V X2 Exhaust air fan speed feedback voltage FanEhSpdFb 0 10V X3 Heating coil overtemperature detector PreHclOvrTDet Contact NC X8 Supply air temperature after preheating coil TSuAfPreHcl NTC10k Q1 Heat exchanger bypass damper command HExgDmpBypCmd Relay Q2...

Страница 49: ...Input for extract air quality AQualEx or QMX3 value for room air quality AQualR Plant components Plant Component Selection IO required Preheating coil Electric preheating coil 21y Inputs for supply air temperature after preheating coil TSuAfPreHcl and preheating coil overtemperature detector PreHclOvrT Output for preheating coil electric PreHclElPos or PreHclElCmd Brine preheating coil 21y Input f...

Страница 50: ...ages for heat exchanger and damper related functions I O config check for heating IOCnfCkH STR_VIEW 243 Messages for heating related functions I O config check for cooling IOCnfCkC STR_VIEW 244 Messages for cooling related functions I O config check for air quality IOCnfCkAQual STR_VIEW 363 Messages for particulate matter humidity and air quality related functions Configuration Configuring the har...

Страница 51: ...control ActlAqCtlCnf MVAL 664 Actual configuration for particulate matter control ActlPmCtlCnf MVAL 572 Actual configuration for outside air damper ActlDmpOaCnf MVAL 403 Actual configuration for preheating coil ActlPreHclCnf MVAL 401 Actual configuration for energy recovery ActlErcCnf MVAL 402 Actual configuration for heating coil ActlHclCnf MVAL 399 Actual configuration for cooling coil ActlCclCn...

Страница 52: ...VAL 583 Actual configuration for QBM97 duct pressure sensor 2 I Os BACnet object Actual configuration for P1 ActlP1Cnf MVAL 888 Actual configuration for P2 ActlP2Cnf MVAL 889 Actual configuration for AI1 ActlAI1Cnf MVAL 890 Actual configuration for AI2 ActlAI2Cnf MVAL 891 Actual configuration for AO1 ActlAO1Cnf MVAL 886 Actual configuration for AO2 ActlAO2Cnf MVAL 887 Actual configuration for room...

Страница 53: ...cted language 4 6 3 Device Description The Device Description text string BA property 28 can be displayed Object Name HvacFnct26y_A can be displayed and changed in the ABT Go via configuration Network configuration Available parameters Basic settings BACnet object R RW Note Device Description Device R Read only in Cloud Facility manager changeable in BACnet Browser Object Name Device R RW Configur...

Страница 54: ...operations via ABT Go Administrator Administrator Firmware upgrade Configuration backup Configuration restore Installer Advanced engineer Firmware upgrade Configuration backup Configuration restore Field Support Standard engineer Configuration backup Configuration restore 4 6 5 Factory Reset A Special BIN file can reset the controller to Siemens factory default settings including a password reset ...

Страница 55: ...ey can be compensated by the secondary controls Commonly used with HRV duct pressure control Advantages The influence of the room conditions on the HRV air flow can be limited depending on the system s functionality 4 modes are available in which the available functions and thus control choices vary from mode to mode For example mode 4 can be selected for VAV supply and extract Secondary control F...

Страница 56: ...are supported each with individual setpoints Default time switch programs are Mo Fr 00 00 06 00 Economy 06 00 09 00 Comfort 09 00 12 00 Unoccupied 12 00 14 00 Comfort 14 00 18 00 Unoccupied 18 00 22 00 Comport 22 00 24 00 Economy Sa So 00 00 06 00 Economy 06 00 22 00 Comfort 22 00 24 00 Economy Manual mode In Manual mode the operating mode is switched manually between Comfort Economy and Unoccupie...

Страница 57: ...operated according to the needs of the user For the normal modes individual values for all settings including relative humidity r H air quality AQ and temperature can be defined 5 3 2 Temporary modes The modes Fan Boost Fire Place and Kitchen Hood are temporary modes that can only be activated for a certain settable time The temporary modes are activated either via POS8 44X0 or configured digital ...

Страница 58: ...o At home returns the controller to MANUAL operation and the previous operating mode can be Economy or Comfort or even Unoccupied Delay time for Unoccupied The Unoccupied mode can be set with a delay time that starts when the device is switched from any operating mode to Unoccupied This is useful for example when the end user leaves the house immediately after cooking or showering without command ...

Страница 59: ...my Unoccupied Protection Prio 15 TSP Comfort Economy Unoccupied ROpMod MVAL 168 RW 1 Protection 2 Unoccupied 3 Economy 4 Comfort Current ventilation operating mode HrvSta MVAL 166 R 1 Protection 2 Unoccupied 3 Economy 4 Comfort 5 Kitchen hood 6 Fire place 7 Fan boost Configuration parameter Description BACnet object R RW State TSP overrides manual operation upon a change SchedRstManCnf BVAL 218 RW...

Страница 60: ...ve at a time and the same strategy must be used for both the supply and exhaust fan The change from one control strategy to another can be made only during commissioning Strategy Unit Linear fan speed Constant air flow control m3 h Constant duct pressure control Pa Note For the sake of simplicity the term fan speed is used for all three strategies throughout the document Application functionalitie...

Страница 61: ...output is higher than the minimum fan speed and the fan speed feedback drops below the fan speed feedback fault limit for longer than an allowed tolerance time The allowed tolerance time limited to a maximum of 60 sec is the time after switching on that it has built up the correct air flow The same conditions apply for the startup procedure The startup configuration is also used for the fan speed ...

Страница 62: ...FanSuSpdUcd AVAL 290 RW Economy supply SpFanSuSpdEco AVAL 289 RW Comfort supply SpFanSuSpdCmf AVAL 288 RW Fire place supply SpFanSuSpdFplc AVAL 87 RW Kitchen hood supply SpFanSuSpdKtch AVAL 291 RW De icing fan speed supply SpFanSuSpdDeic AVAL 208 RW Special settings BACnet object R RW Note Tacho signal mapping Pulses sec for 100 fan speed FanSuSpdFb AI 65 RW Property 4965 Range 0 300 pulse s Testi...

Страница 63: ...xhaust SpFanEhSpdEco AVAL 293 RW Comfort exhaust SpFanEhSpdCmf AVAL 292 RW Fire place exhaust SpFanEhSpdFplc AVAL 92 RW Kitchen hood exhaust SpFanEhSpdKtch AVAL 528 RW De icing fan speed exhaust SpFanEhSpdDeic AVAL 295 RW Special settings BACnet object R RW Note Tacho signal mapping Pulses sec for 100 fan speed FanSuSpdFb AI 69 RW Property 4965 Range 0 300 pulse s Testing and debugging BACnet obje...

Страница 64: ...w value as 100 and setting the actual flow setpoint proportionally according to the maximum value Example If the air flow nominal is 100 m 3 h and the flow for the Away setting is set to 35 m 3 h a fan speed of 35 3 5 V is used in the event of a fault Fan speed monitoring The fan speed can be monitored to detect the actual speed of the fans or possible device problems if fans with tacho signal out...

Страница 65: ...amp up down time fans TiRmpFanSuSpd PINTVAL 93 RW s 5 5 2 1 Available parameters for the supply fan constant air flow Available parameters supply fan Current state BACnet object R RW Unit Present flow setpoint supply SpAirFlSu AVAL 182 R m 3 h Present flow supply AirFlSu AVAL 183 R m 3 h Supply fan pressure diff DiffPFanSu AVAL 17 POS9 AVAL 459 QBM R Pa Supply fan speed Prio 2 Fire Smoke Prio 5 Pr...

Страница 66: ... factor supply fan AirFlSuCoef AVAL 188 RW m 3 h per Pa Tacho signal mapping Pulses sec for 100 fan speed FanSuSpdFb AI 65 RW Property 4965 Range 0 300 pulse s Testing and debugging BACnet object R RW State Fan device mode Prio 2 Fire Smoke Prio 5 Protection FanSuDevMod MVAL 146 RW 1 Off 2 Control mode 3 Max air vol flow 4 Min air vol flow 5 Manual speed 6 Smoke ctrl air flow 7 De icing air vol fl...

Страница 67: ...t Modbus BI 145 R Operating mode settings BACnet object R RW Unit Unoccupied exhaust SpAirFlEhUcd AVAL 276 RW m 3 h Economy exhaust SpAirFlEhEco AVAL 275 RW m 3 h Comfort exhaust SpAirFlEhCmf AVAL 274 RW m 3 h Fire place exhaust SpAirFlEhFplc AVAL 62 RW m 3 h Kitchen hood exhaust SpAirFlEhKtch AVAL 277 RW m 3 h De icing air flow SpAirFlEhDeic AVAL 226 RW m 3 h Special settings BACnet object R RW U...

Страница 68: ...rio 2 Fire Smoke Prio 5 Protection FanEhDevMod MVAL 161 RW 1 Off 2 Control mode 3 Max air vol flow 4 Min air vol flow 5 Manual speed 6 Smoke ctrl air flow setp 7 De icing air vol flow 8 Startup Application functionalities Fan speed control 5 68 170 A6V10733786_en_c ...

Страница 69: ... by using the maximum unit pressure value as 100 and setting the actual pressure setpoint proportionally according to the maximum value Example When maximum unit pressure is 100 Pa and AWAY pressure is set to 35 Pa then fan speed of 35 is used in case of a fault Fan speed monitoring The fan speed can be monitored to detect the actual speed of the fans or possible device problems if fans with tacho...

Страница 70: ... 150 1 Both sensors default 2 P4 supply air 3 P5 exhaust air Ramp up down time of fans TiRmpFanSuSpd PINTVAL 98 RW s 5 5 3 1 Available parameters for the supply fan constant duct pressure Available parameters for supply fan Current state BACnet object R RW Unit Note Present pressure setpoint supply SpPSu AVAL 193 R Pa Present pressure supply PSu AVAL 460 POS9 AVAL 459 QBM R Pa Supply fan speed Pri...

Страница 71: ... Supply fan Tn TnPSuCtr PINTVAL 102 RW s K factor supply fan AirFlSuCoef AVAL 203 RW m3 h per Pa Tacho signal mapping Pulses sec for 100 fan speed FanSuSpdFb AI 65 RW Property 4965 Range 0 300 pulse s Testing debugging BACnet object R RW State Fan device mode Prio 2 Fire Smoke Prio 5 Protection FanSuDevMod MVAL 148 RW 1 Off 2 Control mode 3 Max air vol flow 4 Min air vol flow 5 Manual speed 6 Smok...

Страница 72: ...figured AirFlEh AVAL 223 R m3 h Exhaust fan pressure diff Available if DiffPFanSu is configured DiffPFanEh AVAL 20 POS9 AVAL 461 QBM R Pa Operating mode settings BACnet object R RW Unit Unoccupied extract SpPExUcd AVAL 285 RW Pa Economy extract SpPExEco AVAL 284 RW Pa Comfort extract SpPExCmf AVAL 283 RW Pa Fire exhaust SpPExFplc AVAL 76 RW Pa Kitchen hood extract SpPExKtch AVAL 286 RW Pa Special ...

Страница 73: ...rio 2 Fire Smoke Prio 5 Protection FanEhDevMod MVAL 162 RW 1 Off 2 Control mode 3 Max air vol flow 4 Min air vol flow 5 Manual speed 6 Smoke ctrl duct pressure 7 De icing air vol flow 8 Startup Application functionalities Fan speed control 5 A6V10733786_en_c 73 170 ...

Страница 74: ...de uses the fan speeds defined for the Comfort operating mode Fan boost is blocked if the configuration of the room influence on the fan speed is in mode 3 or 4 Available parameters Current values BACnet object R RW Unit Note Activation input status RpdVntIn D1 BI 69 D2 BI 86 X3 BI 103 X8 BI 120 R Pulse or egg timer signal Rapid ventilation status and operation RpdVntOp BVAL 166 RW Duration TiRnRp...

Страница 75: ...function Kitchen hood The Kitchen hood mode can be activated to create a suitable imbalance with the ventilation or the increase of the ventilation level Depending on the solution whether the kitchen hood has its own exhaust fan or not the Kitchen hood operating mode can be set to maintain the overall ventilation balance while effectively extracting cooking fumes Activation overwrites other active...

Страница 76: ...fined by the active operating mode During active air quality control the speed of both fans will be increased and decreased linearly between the maximum and minimum vales When the ppm value drops below the setpoint air quality controlling reduces the fan speed until the defined level for the active operating mode is reached It is possible to use one extract air sensor 0 10V and one room air qualit...

Страница 77: ...t SpAQualREco AVAL 53 RW ppm Comfort AQ setpoint SpAQualRCmf AVAL 51 RW ppm Ventilation Kp GainVntCtr AVAL 64 RW ppm Ventilation Tn TnVntCtr PINTVAL 71 RW s Special settings BACnet object R RW Note Sensor ppm for 0V signal AQualExPrcv1 AVAL 533 X1 AVAL 534 X2 AVAL 535 X3 PINTVAL 609 POS9 PINTVAL 610 QBM R Sensor ppm for 10V signal AQualExPrcv2 AVAL 536 X1 AVAL 537 X2 AVAL 538 X3 PINTVAL 611 POS9 P...

Страница 78: ...In this case highest value wins and is used for fan controlling Sensor measuring range concentration or indicators level can be set for the linear signal 0 10 V to enable use of various types of sensors Minimum and maximum values can be set via ABT Go Activation of the PM control requires configuration NOTICE Particulate matters control is blocked if the configuration of the room influence to fan ...

Страница 79: ...539 X1 AVAL 540 X2 AVAL 541 X3 PINTVAL 613 POS9 PINTVAL 614 QBM RW BACnet property 4999 Sensor µg m3 for 10V signal PmRPrcv2 AVAL 542 X1 AVAL 543 X2 AVAL 544 X3 PINTVAL 615 POS9 PINTVAL 616 QBM RW BACnet property 4998 Testing and debugging BACnet object R RW Note PM controller output PrSpPmR AVAL 449 R Application functionalities Air quality control VntCtl11y 12y 13y 5 A6V10733786_en_c 79 170 ...

Страница 80: ...ned level for active operating mode is reached Boost kitchen hood and fireplace have priority so that humidity control does not influence the fan speed Comfort operating mode already runs with maximum fan speed for the system so that humidity control does not have any influence Since increased ventilation alone cannot lower the humidity level in every situation the dew point temperature is used to...

Страница 81: ... R RW Unit Unoccupied r H setpoint SpHuRelRUcd AVAL 311 RW r H Economy r H setpoint SpHuRelREco AVAL 151 RW r H Comfort r H setpoint SpHuRelRCmf AVAL 149 RW r H Special settings BACnet object R RW Unit Dehumidification Kp GainDhuCtr AVAL 152 RW r H Dehumidification Tn TnDhuCtr PINTVAL 76 RW s On time for fan control TiRnDhuCtl PINTVAL 77 RW s Off time for fan control TiIrptDhuCtl PINTVAL 78 RW s H...

Страница 82: ...st FanDhuReq AVAL 185 AirFl AVAL 195 DuctP AVAL 206 Lin fanspd R Preheater dehumidification request EnPreHclDhu BVAL 298 R On off External dehumidifier request DhumDhuReq BVAL 315 R On off Application functionalities Fan humidity control DhuCtl11y 5 82 170 A6V10733786_en_c ...

Страница 83: ...y ERC is used as first heating sequence when TSu drops below the setpoint SpT Heating with additional energy is released when outside temperature TOa drops below set heating limitation value Additional heating coil is activated when the control signal for ERC has reached maximum speed on and TSu temperature drops below setpoint by differential DSpH Cooling mode TSuCtlC21y ERC may only be used as t...

Страница 84: ...he next actuator in the sequence is used Further information regarding the function of the different actuators for temperature control can be found in the description of the actuators Setpoint and operating mode diagram Comfort Economy Unoccupied DSpHCmf DSpCCmf SpTCmf DSpHEco DSpCEco SpTEco DSpHUcd DSpCUcd SpTUcd Application functionalities Air temperature control 5 84 170 A6V10733786_en_c ...

Страница 85: ...my SpTEco AVAL 296 RW C Setpoint difference cooling economy DSpCEco AVAL 306 RW K Setpoint difference heating economy DSpHEco AVAL 299 RW K Setpoint supply air temperature unoccupied SpTUcd AVAL 297 RW C Setpoint difference cooling for unoccupied DSpCUcd AVAL 307 RW K Setpoint difference for heating unoccupied DSpHUcd AVAL 300 RW K Special settings BACnet object R RW Unit TOa limitation for heatin...

Страница 86: ...ase The function is activated when positive or negative setpoint shift points 3 and 6 is set Outdoor temperature compensation is active when shift 3 or 6 is set to a value other than 0 Outdoor compensation affects both constant and cascade temperature control Outdoor compensation affects the supply air temperature setpoint when used with supply air temperature control It affects the room or extrac...

Страница 87: ...t shift SpShftH AVAL 108 Supply AVAL 123 Cascade RW Compensation point 3 Summer compensation BACnet object R RW Note Starting point SttSpShftC AVAL 133 Supply AVAL 142 Cascade RW Compensation point 4 Ending point EndSpShftC AVAL 134 Supply AVAL 143 Cascade RW Compensation point 5 Setpoint shift SpShftC AVAL 135 Supply AVAL 144 Cascade RW Compensation point 6 Application functionalities Air tempera...

Страница 88: ...erature setpoints can be defined for the UNOCCUPIED ECONOMY and COMFORT operating modes Individual tolerances before using heating and cooling coils can be defined for UNOCCUPIED ECONOMY and COMFORT Special operating modes use the same setpoint as the normal operating mode shortly before activation Depending on whether the current extract air room temperature TR is above or below the extract air r...

Страница 89: ...ect R RW Unit Setpoint room extract temperature comfort SpTCmf AVAL 112 RW C Setpoint difference cooling for comfort DSpCCmf AVAL 393 RW K Setpoint difference heating for comfort DSpHCmf AVAL 391 RW K Setpoint room extract temperature economy SpTEco AVAL 301 RW C Setpoint difference cooling for economy DSpCEco AVAL 308 RW K Setpoint difference for heating economy DSpHEco AVAL 304 RW K Setpoint roo...

Страница 90: ...ting elements However when all sequences are fully active and the setpoint is still above the limits the speed is decreased to unoccupied speed level Extra cooling sequence when a cooling coil is configured It may happen e g due to device malfunction that all activated available cooling sequences are not sufficient to reach the TSu setpoint In this case the speed of the exhaust and supply air fans...

Страница 91: ...tial at times when ERC is off 1 speed The delay time to activate the bypass after ERC is 1 min fixed Available parameters Current values BACnet object R RW Note ERC speed Prio2 Fire Smoke Prio5 Protection RotHExgSpd AO 106 A1 AO 115 A2 AO 124 A3 AO 133 A4 AVAL 385 POS9 AVAL 474 AO1 AVAL 481 AO2 RW External fault detection for ERC RotHExgFlt BI 110 X3 BI 127 X8 BI 76 D1 BI 93 D2 R Bypass damper Pri...

Страница 92: ...ia timer with a differential pressure switch over the heat exchanger This possibility does not detect icethat has built up in the duct work and does not work reliably on all types of heat exchangers If the exhaust air temperature sensor and differential pressure switch are installed the differential pressure switch is used to start de icing De icing is active as long as the differential pressure s...

Страница 93: ... a room extract humidity value of 80 or higher This value will be reduced continuously by a configurable temperature drop until the room extract humidity value reaches 20 or lower De icing with increased preheating In case of possible de icing brine coil or ground collector are activated by the outside air conditions So they automatically assist the de icing process Preheating with electric heater...

Страница 94: ... and stage 2 behavior Off period determination Off period determination B6 temperature Activation time Activation time Activation time Off time B6 adjusted Off time B6 adjusted Off time maximum Activation time Stage 1 setpoint Stage 2 setpoint Normal operation De icing rotor speed Normal operation De icing fan speed Fan operation stage 2 RMC operation stage 1 De icing temperature levels Available ...

Страница 95: ...De icing exhaust fan flow SpAirFlEhDeic AVAL 226 RW m3 h De icing supply fan pressure SpPSuDeic AVAL 196 RW Pa De icing exhaust fan pressure SpPExDeic AVAL 232 RW Pa De icing supply fan speed SpFanSuSpdDeic AVAL 208 RW De icing exhaust fan speed SpFanEhSpdDeic AVAL 238 RW Special settings BACnet object R RW Note Temperature drop for room extract humidity of 20 r h DiffTHuCmpDeic AVAL 176 RW K Temp...

Страница 96: ...ected via BI signal Extract or room temperature sensor and exhaust temperature sensor are mandatory for efficiency supervision When extract air temperature and exhaust air temperature or the fault signal are not available the supervision of the ERC is not possible The alarm class of these alarms can be configured as A Alarm B Alarm or none Available parameters Actual values BACnet object R RW Note...

Страница 97: ... will increase up to the end limit S2 speed Analog output signal increase will be limited by max ramp up limitation Analog output signal may stay at the higher value for a while and continue to increase after internal control signal has reached the end limit value S2 also When the control signal comes down the function works in the opposite direction Same function is active also when ERC is used f...

Страница 98: ...ad of TOa If the sensor is not available while the preheating coil is active the efficiency is unreliable Supply side If an additional supply air sensor after the heat exchanger is available the efficiency n is calculated on supply and exhaust side as n 0 5 TEx TEh TEx TOa 0 5 TSuAfHexg TOa TEx TOa Efficiency calculation requires at least outside temperature extract temperature and exhaust tempera...

Страница 99: ...oth relays Q1 and Q2 are used When one relay opens the second is always off i e they never operate simultaneously Specific operation sequence To open the bypass relay Q1 closes and the motor piston is powered for 150 seconds the bypass is considered completely open and the relay is deactivated To close the bypass relay Q2 closes and the motor is powered for 150 seconds the bypass is considered com...

Страница 100: ...59 RW K ERC Tn TnHExgCtr PINTVAL 140 RW s Min diff room temp outs air temp f cool DiffTRTOaMinC AVAL 358 RW K Testing and debugging BACnet object R RW Note Heat exchanger device mode Prio2 Fire Smoke Prio5 Protection plant control HExgDevMod MVAL 409 RW 1 Off 2 Control mode 3 Maximum 4 Minimum 5 Bypass only Application functionalities Energy Recovery 5 100 170 A6V10733786_en_c ...

Страница 101: ...exhaust air sensor and no differential pressure switch are available It is also only an expectation that ice has built up Deicing with TOa sensor starts when TOa is below the limit The end of the de icing phase cannot be detected and is estimated via timer De icing the heat exchanger De icing is possible by Opening the bypass damper so that the exhaust temperature increases Reducing the supply fan...

Страница 102: ...cally assist the de icing process Preheating with electric heater can be used to assist de icing This reduces the efficiency of the heat recovery and uses electrical energy instead Especially when no preheating is available it is recommended to use the electric preheater as otherwise reduced heat exchanger function will result in very low supply air temperature As for normal preheating temperature...

Страница 103: ...fan are reduced to configurable values For faster deicing it is possible to set the supply fan speed setpoint even to 0 In this case electric heaters in the supply air are blocked Example diagram of stage 1 and stage 2 behavior Available parameters Actual values BACnet object R RW Note Deicing request for heat exchanger DeicReqHExg BVAL 305 R Deicing request for fan DeicReqFan BVAL 306 R Heat exch...

Страница 104: ...supply fan flow SpAirFlSuDeic AVAL 181 RW m3 h De icing exhaust fan flow SpAirFlEhDeic AVAL 226 RW m3 h De icing supply fan pressure SpPSuDeic AVAL 196 RW Pa De icing exhaust fan pressure SpPExDeic AVAL 232 RW Pa De icing supply fan speed SpFanSuSpdDeic AVAL 208 RW De icing exhaust fan speed SpFanEhSpdDeic AVAL 295 RW Special settings BACnet object R RW Note Temperature drop for room extract humid...

Страница 105: ...ot available monitoring of the ERC is not possible The error message of the condenser pump can be configured for the unit The pump itself operates autonomously and does not require its own logic The resulting error message must be connected to a digital potential free input on the controller When an error message is received the bypass damper is closed The alarm class of these alarms can be config...

Страница 106: ...ciency is unreliable Supply side In case the preheating coil is active TSuAfPreHcl is used instead of TOa If the sensor is not available while the preheating coil is active the efficiency is unreliable If an additional supply air sensor after the heat exchanger is available the efficiency n is calculated on supply and exhaust side as n 0 5 TEx TEh TEx TOa 0 5 TSuAfHexg TOa TEx Toa Efficiency calcu...

Страница 107: ...afely work on all types of heat exchanger If exhaust air temperature sensor and differential pressure switch are installed the differential pressure switch is used to start de icing Deicing is active as long as the differential pressure switch is active With outside air sensor TOa This is used when no exhaust air sensor and no differential pressure switch are available It is also only an expectati...

Страница 108: ...reduced fan speed started by differential pressure switch During deicing fan speed for supply fan and exhaust fan are set to configurable values For faster deicing it is possible to set the supply fan speed setpoint even to 0 In this case electric heaters in the supply air are blocked Deicing with reduced fan speed started by TEh or TOa The temperatures have 2 adjustable limits The higher limit Sp...

Страница 109: ...chanical failure on the ERC heat exchanger dirty etc can be detected via the efficiency of the heat exchanger Therefore the temperature difference between extract air room air and exhaust air is used When the difference drops below set value and stays below during set delay time alarm is generated Detection function is active only when temperature difference between outside air and extract air is ...

Страница 110: ... C TSuAfHexg Supply temperature after heat exchanger C Exhaust side Efficiency n is calculated on the exhaust side by the following formula n TEx TEh TEx TOa In case the preheating coil is active TSuAfPreHcl is used instead of TOa If the sensor is not available while the preheating coil is active the efficiency is unreliable Supply side If an additional supply air sensor after the heat exchanger i...

Страница 111: ...turn temperature Available parameters Current value BACnet object R RW Unit Supply setpoint for heating coil SpTSuHcl AVAL 215 RW C Return temperature value TFrPrtHcl AI 58 B3 AI 64 B4 AI 80 X8 AVAL 317 X21 AVAL 468 AI1 R C Heating valve position Prio2 Fire Smoke Prio5 Protection Frost plant control HclVlvPos AO 108 A1 AO 117 A2 AO 126 A3 AO 135 A4 AVAL 387 POS9 AVAL 476 AO1 AVAL 483 AO2 RW Heatin...

Страница 112: ...d off for any reason must still be connected to power supply the temperature of TFrPrtHcl has an additional setpoint e g 25 C to secure the start up situation If the heating coil is constantly kept warm it will not drop to the frost protection limit during start up even in cold outdoor conditions The pump runs constantly during the non productive times of the ventilation unit If the temperature of...

Страница 113: ...or at least the delay time for the cooldown of the electric heaters see also Start up shut down sequence 130 Available parameters Current value BACnet object R RW Note Current supply air temperature setpoint for heating SpTSuHcl AVAL 211 RW C Electrical heater output signal Prio2 Fire Smoke Prio5 Protection HclElPos AO 64 Y1 AO 107 A1 AO 116 A2 AO 125 A3 AO 134 A4 AVAL 386 POS9 AVAL 475 AO1 AVAL 4...

Страница 114: ...figuration for overtemperature AlmCnfOvrT PINTVAL 573 RW Testing and debugging BACnet object R RW Note Heating coil device mode Prio2 Fire Smoke Prio4 Overtemperature protection Prio5 Protection from plant control HclDevMod MVAL 153 1 Off 2 Control Mode 3 Full Open Application functionalities Heating 5 114 170 A6V10733786_en_c ...

Страница 115: ...perature is kept at the setpoint The pump runs depending on the valve position fixed switch on point 5 Available parameters Current value BACnet object R RW Note Setpoint supply air temp cooling for cooling coil SpTSuCcl AVAL 222 R C Cooling valve position Prio2 Fire Smoke Prio5 Protection from plant control CclVlvPos AO 109 A1 AO 118 A2 AO 127 A3 AO 136 A4 AVAL 388 POS9 AVAL 477 AO1 AVAL 484 AO2 ...

Страница 116: ...arameters Current value BACnet object R RW Note Supply air temperature setpoint for cooling SpTSuCcl AVAL 224 R C Cooling valve position CclDxPos AO 110 A1 AO 119 A2 AO 128 A3 AO 137 A4 AVAL 389 POS9 RW Cooling DX status CclDxCmd BO 59 Q1 BO 74 Q2 BO 89 Q3 BVAL 250 POS9 RW Cooling coil DX fault CclDxFlt BI 113 X3 BI 130 X8 BI 79 D1 BI 96 D2 R Special settings BACnet object R RW Note Cooling Kp Gai...

Страница 117: ...d In case of cascade control the actual room temperature setpoint depending on the operating mode is used As there is no room temperature setpoint available for supply air control a configurable virtual room temperature setpoint is used Available parameters Current values BACnet object R RW Note Present plant operating mode PrPltOpMod MVAL 164 R 10 Free Cooling Actual setpoint from cascade control...

Страница 118: ...e air damper is manually closed overridden the air handling unit is shut down after a delay time as the air flow is blocked Available parameters Actual values BACnet object R RW Note Outside air damper command Prio 2 Fire Smoke Prio 5 Protection from plant control DmpOaCmd BO 50 Q1 BO 65 Q2 BO 80 Q3 BVAL 241 POS9 RW Outside air damper Basic settings BACnet object R RW Note Outside damper delay tim...

Страница 119: ... is also in cooling mode The function is disabled for TEx TOa TSuAfPreHcl is used instead of Toa when the preheating coil is active The dehumidify CO2 fine dust function fully opens the outside air damper to improve ventilation i e air quality when heating cooling conditions are not met for the recirculating damper The free cooling function fully closes the recirculating damper and fully opens the...

Страница 120: ...5 A2 AO 167 A3 AO 170 A4 AVAL 740 AO1 AVAL 744 AO2 RW Recirculating air damper Recirculating damper heating cooling state MixDmpHCSta MVAL 943 R 1 Neither 2 Heating 3 Cooling Basic settings BACnet object R RW Note Outside damper delay time DlyOnAflVntReq PINTVAL 667 RW S Outside damper minimum position OADmpMin PINTVAL 729 RW Default 30 Special settings BACnet object R RW Note Damper TSu Kp GainDm...

Страница 121: ...o avoid alarming caused by short term pressure changes When the filter timer is elapsed or the pressure differential input requires a filter change a B Alarm is activated Before switching off the unit for filter replacement it is recommended to execute a shut down for maintenance see Start up shut down sequence 130 Available parameters Actual values BACnet object R RW Note Differential pressure fi...

Страница 122: ...heating and summer cooling conditions A hysteresis of 1 C fix and a minimum time of 1 min fix for damper open bypass prevent the damper from moving too frequently If there is no demand for heating or cooling the bypass damper remains in its last state in order to use free energy as much as possible Temperature conditions Supply air conditions Damper position TOa TEarth Winter Heating requested clo...

Страница 123: ...lPreHcl Heating requested Off TOa TFlPreHcl Cooling requested Off TOa TFlPreHcl Cooling requested On TOa TFlPreHcl and Dewpoint Offset TFlPreHcl Dehumidification requested In case of conflicts dehumidification request overrules heating or cooling On No dehumidification requested and no heating or cooling request Off Available parameters Actual values BACnet object R RW Note Brine pump command PreH...

Страница 124: ...or switches off the electric heater and the entire HRV plant A alarm The overtemperature detector must be connected to the electric heater via hardware unless local regulations allow software interlock Available parameters Actual values BACnet object R RW Note Electric preheater position PreHclElPos AO 63 Y1 AO 104 A1 AO 113 A2 AO 122 A3 AO 131 A4 AVAL 383 POS9 AVAL 472 AO1 AVAL 479 AO2 RW Electri...

Страница 125: ...exchanger TnPrhTCtr PINTVAL 138 RW Pulse period electrical heater PreHclElPlsPrd Y1 PINTVAL 620 RW BACnet property 4984 Minimum switch on time PreHclElTiOnMin Y1 PINTVAL 621 RW BACnet property 4994 Minimum switch off time PreHclElTiOffMin Y1 PINTVAL 622 RW BACnet property 4995 Application functionalities Preheating Functions 5 A6V10733786_en_c 125 170 ...

Страница 126: ...he external dehumidifier is switched off in case of emergency control fire smoke and in case of a controlled shutdown for maintenance If used within the humidity control sequence Mode 2 and 4 a 2 point controller is used with a minimum on off time of 5 minutes fix Available parameters Current values BACnet object R RW Note External dehumidifier Prio 2 Fire Smoke Prio 5 Protection from plant contro...

Страница 127: ...en again before the ventilation can be resumed Fire dampers have inbuilt auxiliary switches on both open and closed positions which signalize that the movement was successful If one of these signals is missing an A alarm is generated and the unit is stopped Performing a fire damper test 1 Set output to 1 a At the latest after 130 of the opening time the damper must be opened and the FB signal must...

Страница 128: ...rol FdpCmd BO 51 Q1 BO 66 Q2 BO 81 Q3 BVAL 242 POS9 RW Fire damper alarm FdpAlm BVAL 165 R Fire damper closes unexpectedly or test failed Fire damper test active FdpTst BVAL 212 R Fire damper test actually running Basic settings BACnet object R RW Note Activate fire damper test MntnSched SCHED 3 Activation via weekly maintenance with BACnet scheduler Damper opening time TiOpnFdp PINTVAL 117 RW sec...

Страница 129: ...rotection functions 4 Off by water heating coil frost 5 A Alarms for plant protection 6 ERC deicing function Switch or push button operations 7 Rapid ventilation mode Configured BI POS8 8 Comfort mode Conf BI Fireplace Conf BI Off mode Conf BI Eco mode Conf BI 9 Kitchen ventilator Conf BI 10 Maintenance function User operation 11 Temporary fireplace POS8 12 Present Away button 13 Manual operation ...

Страница 130: ...t cannot be switched an A Alarm is activated the startup process is stopped 6 ERC ramps up to maximum speed Heat exchanger bypass closes Exhaust fan starts and ramps up to Comfort mode speed If fan speed is configured as A Alarm and the feedback signal is not received within the delay time an A Alarm is activated the starting process is stopped Delay time step 6 to secure heating up of heat exchan...

Страница 131: ...mp down ERC 12 Power up delay Initiate controlled shutdown PltShdn BVAL 266 RW 0 Inactive 1 Active BI controlled shutdown PrtOpModRIn BI 85 D1 BI 102 D2 BI 119 X3 BI 136 X8 R 0 Inactive 1 Active Basic settings BACnet object R RW Note Delay time after power on startup step 2 DlyPwrUpHrv PINTVAL 130 RW s min value 120 sec if fire dampers are used Timeout for water heating coil purge startup step 4 D...

Страница 132: ...temperature after preheating TSuAfPreHcl if installed and extract air temperature TEx if installed If duct temperature rises over set fire alarm value it an A alarm is raised and an immediate shutdown is activated fire dampers are closed if existing Additionally a B Alarm for maintenance is raised if supply air temperature exceeds a maximum maintenance limit or falls below a minimum maintenance li...

Страница 133: ...st fan to 0 speed Supply fan would be switched to 0 speed and exhaust fan to 100 speed Configured binary input Emergency off Switches off both fans and closes the outside air dampers immediately Since ventilation operation is a reaction to A Alarm situation the defined function will only be stopped after A Alarm is reset and acknowledged Or the controlling components are destroyed Available parame...

Страница 134: ... hrs Operating time fireplace ventilation OphFplcVnt ACAL 146 RW hrs Operating time kitchen ventilation OphKtchVnt AVAL 310 RW hrs Operating time ERC heating OphErcH AVAL 398 AVAL 402 RW hrs Operating time ERC cooling OphErcC AVAL 399 AVAL 401 RW hrs Operating time electric heating coil OphHcl AVAL 212 RW hrs Operating time water heating coil OphHcl AVAL 220 RW hrs Operating time preheating brine ...

Страница 135: ...ith a time stamp and entry to non volatile storage for each change of state Alarm states 5 different alarm states are used in the application and they are valid for both A and B Alarms These different states are meant to give additional information for different users and different situations Relay operation is depending on actual configuration State Situation Alarm relay Normal Everything works n...

Страница 136: ... Unacknowledged 0 2 Alarm 0 Locked 1 Unacknowledged 0 3 Alarm 0 Locked 1 Unacknowledged 1 4 Alarm 1 Locked 1 Unacknowledged 0 5 Alarm 1 Locked 1 Unacknowledged 1 B Alarms acknowledge Normal UnAcked Alarm UnAcked disturbance disappears disturbance disappears disturbance appears acknowledge 6 7 8 9 disturbance appears Locked 6 Alarm 0 Unacknowledged 0 7 Alarm 0 Unacknowledged 1 8 Alarm 1 Unacknowled...

Страница 137: ...t object R RW Note B Alarm state BalmSta MVAL 132 R 1 Acknowledged unlocked 2 Unacknowledged 3 Locked B Alarm indication BalmInd MVAL 131 R 1 Normal 2 Alarm B Alarm code BalmCode AVAL 43 R 0 9999 Alarm class settings BACnet object R RW Note Alarm configuration for outside air temperature AlmCnfTOa MVAL 141 RW 1 A Alarm 2 B Alarm Alarm configuration for heat exchanger AlmCnfHExg MVAL 348 RW 1 A Ala...

Страница 138: ...ystem Run TR with POS8 QMX3 Fallback to extract temperature control or supply air control 1013 B Room air quality sensor fault System Run AQualR with QMX3 or PmR Stop air quality control if all sensors fail 1014 B Extract air quality sensor fault System Run PmR or AQualR Particulate matters Air quality Stop control if all sensors fail 1015 B Cooling coil DX evaporator fault Proces s Run CclDxFlt B...

Страница 139: ...s Stop Temperature TFrPrtHcl below frost protection limit active only if HclHw selected Shutdown AHU Frost protection mode Switch on pump open valve 2010 A Heating coil over temperature Proces s Stop HclOvrTDet BI active only if HclEl selected Shutdown AHU 2012 A Preheating coil overtemperature Proces s Stop PreHclOvrTDet active only if PreHclEl selected Shutdown AHU 2013 A Outside air damper stop...

Страница 140: ... Cloud uses the following alarm classes Class 1 A Alarm Class 2 B Alarm Class 4 Communication interruption to Cloud For more information on the use of the alarm classes refer to the documentation for remote servicing via cloud see Documentation and short description of compatible devices 12 Application functionalities Alarm functions 5 140 170 A6V10733786_en_c ...

Страница 141: ... kick When ventilation shutdown is required due to fire damper test valve and pump kick function is carried out during shutdown Otherwise the kick function is executed while the plant is running Each valve and pump which is not otherwise operated within the last 7 days is part of the kick function Valves are opened fully for 30 seconds then closed again After 20 seconds valves are moved to 6 posit...

Страница 142: ...ate duct pressure air flow 1 off 3 active modulating 4 minimum output 5 maximum output Heating coil 4 Digits 4 5 Controller state supply air 1 off 3 active modulating 4 minimum output 5 maximum output Digits 1 3 Controller state frost controller 1 off 3 active modulating 4 minimum output 5 maximum output Cooling coil 5 Controller state supply air controller 1 off 3 active modulating 4 minimum outp...

Страница 143: ...ller output extract air controller 0 100 output signal Dehumidification controller 3 Digit 5 Controller state Fan 1 off 3 active modulating 4 minimum output 5 maximum output Digit 4 Controler state Preheater 1 off 3 active modulating 4 minimum output 5 maximum output Digits 1 3 Controller state dehumidifier 1 off 3 active modulating 4 minimum output 5 maximum output Air quality controller 4 Contro...

Страница 144: ...e Select diagnostics for plant functions DiagPltFnctSel PINTVAl 67 RW 1 7 see above Diagnostic value for plant functions DiagPltFnctVal AVAL 29 R Coded value see above Application functionalities Analysis functions 5 144 170 A6V10733786_en_c ...

Страница 145: ... QMX3 P QMX3 P30 QMX3 P40 or QMX3 P70 a different type of QMX3 P QMX3 P40 QMX3 P70 a different type of QMX3 P QMX3 P70 QMX3 P30 or QMX3 P40 a different type of QMX3 P QMX3 P30 QMX3 P40 QMX3 P70 For more information about configuring the connection see Selecting the device connections 31 Communication monitoring Communication with room operator unit and sensors is constantly monitored The monitorin...

Страница 146: ...on with the slave devices is constantly monitored The monitoring is activated as soon as the device is selected basic configuration If the communication with the device cannot be established or gets lost individual alarm is triggered B Alarm 3005 I O extension module Modbus communication error B Alarm 3011 Duct pressure sensor Modbus communication error Configurable 3012 Supply air fan Modbus comm...

Страница 147: ...ty of differential pressure P22 DiffPP22Rlb MVAL 625 R BACnet reliability definitions 6 03 Read holding Pooling 16s Reliability of temperature input X21 TInX21Rlb MVAL 626 R BACnet reliability definitions 8 03 Read holding Pooling 16s Reliability of analog input X22 AInX22Rlb MVAL 629 R BACnet reliability definitions 12 03 Read holding Pooling 16s Device mode DevMod MVAL 627 W Standby Normal opera...

Страница 148: ...rol BACnet object R W Note Register address Function code Polling heartbeat COV Reliability of differential pressure P1 DiffPP1Rlb 1 MVAL 636 R BACnet reliability definitions 4 03 Read holding Pooling 16s Reliability of differential pressure P2 DiffPP2Rlb 1 MVAL 637 R BACnet reliability definitions 6 03 Read holding Pooling 16s Reliability of analog input AI1 AInAI1Rlb 1 MVAL 639 R BACnet reliabil...

Страница 149: ... object R W Note Register address Function code Polling heartbeat COV Reliability of differential pressure P1 DiffPP1Rlb 2 MVAL 788 R BACnet reliability definitions 4 03 Read holding Pooling 16s Reliability of differential pressure P2 DiffPP2Rlb 2 MVAL 789 R BACnet reliability definitions 6 03 Read holding Pooling 16s Reliability of analog input AI1 AInAI1Rlb 2 MVAL 791 R BACnet reliability defini...

Страница 150: ...nd get more technical information for the fan BACnet object device register assignment Actual I O values BACnet object R W Note Register address Function code Supply air fan speed FanSuSpd AO 149 RW 53250 06 Write single Supply air fan fault FanSuFlt BI 144 R 53266 04 Read input Bit 4 Supply air fan speed feedback FanSuSpdFb AI 163 R 53265 04 Read input Suppyl air fan total operating hours FanSuTo...

Страница 151: ... as reading causes malfunction on some types of fans Error and warning codes are shown as decimal value for example error code 17 They must be converted into a bit string for example 0000 0000 0001 0001 According to EBM Papst documentation this means FB General fan fault and PHA Phase error When using a Modbus fan both fans must be Modbus fans Engineering of communicative devices Modbus components...

Страница 152: ...and get more technical information for the fan BACnet object device register assignment Actual I O values BA objects R W Note Register Address Function code Exhaust air fan speed FanEhSpd AO 150 RW 53250 06 Write single Exhaust air fan fault FanEhFlt BI 145 R 53266 04 Read input Bit 4 Exhaust air fan speed feedback FanEhSpdFb AI 164 R 53265 04 Read input Exhaust air fan total operating hours FanEh...

Страница 153: ...so inbuilt zero pressure calibration mechanisms To perform calibration all pressure hoses must be disconnected and exposed to the same ambient pressure The calibration process can be manually initiated by activating the calibration parameter Available parameters Parameter BACnet object R RW Note Zero pressure calibration trigger POS9 ZePClbTrgPos9 MVAL 628 RW 1 Ready 2 Trigger initiates calibratio...

Страница 154: ...us slave interfaces Modbus Slave Port1 Modbus Slave Port2 Terminal T12 Terminal T16 Address 1 Address 2 The default settings are the same for both interfaces Baudrate 19200 Bd Data 8 Bit Parity Even Stop bit 1 6 3 3 Port adjustments The 2 ports are preconfigured You can make any required changes to the configuration via a BACnet browser e g YABE browser Choose the following BAcnet objects for Modb...

Страница 155: ... corresponds 100 and is set as default Stop Bit definition 4775 StopBits Parity definition 4776 Parity Baud rate selection 4777 Baud Baud rates of 9600 and 19200 baud must be supported as per Modbus standard Additional supported baud rates must be tested to ensure full functionality Send command 4894 Command Apply changes of Modbus slave configuration Controller will automatically reboot After res...

Страница 156: ...e low order bits of the register In the request message the 2 bytes of the first register Starting Address are sent first Read Holding Registers FC 03 Request Function code 1 Byte 0x03 Starting Address 2 Bytes 0x0000 to 0xFFFF Quantity of Registers 2 Bytes 1 to 125 0x7D Response Function code 1 Byte 0x03 Byte count 1 Byte 2 x N Register value N x 2 Bytes N Quantity of Input Registers Error Error c...

Страница 157: ...0x0001 to 0x007B Byte Count 1 Byte 2 x N Registers Value N x 2 Bytes value N Quantity of Registers Response Function code 1 Byte 0x10 Starting Address 2 Bytes 0x0000 to 0xFFFF Quantity of Registers 2 Bytes 1 to 123 0x7B Error Error code 1 Byte 0x90 Exception code 1 Byte 01 or 02 or 03 or 04 A block of contiguous registers is written in one step Quantity of registers n 1 123 The requested written v...

Страница 158: ... registers the PDU addresses the first register as 0 and the last one as 99 If a request is submitted with a starting address of 96 and the quantity of registers is 4 the request succeeds address wise at least on registers 96 97 98 99 If a request is submitted with a starting address of 96 and the quantity of registers is 5 the request fails with exception code 0x02 Illegal Data Address since it a...

Страница 159: ...bit unsigned16 bb aa with 1 1 BACnet encoding Unsigned integer value encoding with 2 registers Each unsigned BA present value will occupy 2 registers Use FC16 for consistent writing Data type Byte order Unsigned integer 32 bit dd cc bb aa dd cc Register address x bb aa Register address x 1 Real value encoding with 2 registers Each analog BA present value will occupy 2 registers Use FC16 for consis...

Страница 160: ...undredthsOfASecond 00 99 Date Date encoding uses 2 MODBUS Registers Date Year Represents year minus 1900 Note Date information can only be from 2000 1 1 to 2099 12 31 1 1 mapping of BA Date Year 1 octet to Register bit15 bit8 Date Month Represents month 1 12 1 1 mapping of BA Date Month 1 octet to Register bit7 bit0 Date DayOfMonth Represents day of month 1 31 1 1 mapping of BA Date DayOfMonth 1 o...

Страница 161: ...ut object extended read Input register address Data item structure X X 1 Present value X 2 Status flags Voidfield 0 0 X 3 Reliability Example of an analog output or value object extended read write Holding register address Data item structure X X 1 Present value X 2 Status Flags Cmd Ready Priority X 3 Reliability Register address b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0 x Present valu...

Страница 162: ...sent value X 1 Status Flags Cmd Ready Priority X 2 Reliability Register Address b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0 x Present value x 1 r 0 r 0 r 0 r 0 Status flags Cmd Priority x 2 Reliability Data item structure for 16bit data and Mapping Extended For binary and multistate output and value objects the MODBUS Master is expected to send one of the following MODBUS write requests ...

Страница 163: ...ue reliability Same value Device System Status Same value 0 operational 2 download required Same value Local Date Same value Local Time Same value Equipment ID Same value Serial Number Same value Model Information Same value Firmware Revision Same value Application Software Version Same value Supported Languages Same value MODBUS Session Language Same value Schedule Entry Same value Schedule defau...

Страница 164: ...t care Not allowed to be discarded by the server 1 Command new value Don t care 0 To write BA present value Priority field is ignored by the server We recommend that the client sets the priority field to zero in the request message 2 Relinquish Don t care Not allowed to be discarded by the server Modbus read response Allowed combinations of Cmd and Priority for BA output objects and process value ...

Страница 165: ...ter address Data item structure X Present value X 1 The address distribution is based on the following rule Command Object type Mapping Address range Read Analog Unsigned Extend 3x0000 3x0999 Basic 3x1000 3x1999 Binary Multistate Extend 3x2000 3x2999 Basic 3x3000 3x3999 Read write Analog Unsigned Extend 4x0000 4x0999 Basic 4x1000 4x1999 Binary Multistate Extend 4x2000 4x2999 Basic 4x3000 4x3999 Re...

Страница 166: ... 0x7F and Minutes 0xFF In this case the field value is interpreted as a void value Depending on the schedule type the register value can be A multistate Value 0 encoded at 16 bit Or a binary where only the values 0x0000 or 0x0001 are allowed Example multistate ROpMod encoding Register Address Register Value X NULLVal 0 Hours 00 Minutes 00 X 1 Unoccupied Value 2 X 2 NULLVal 0 Hours 06 Minutes 00 X ...

Страница 167: ...ntries at the end of the list and the corresponding 32 registers in one pass The MODBUS Master writes the entire daily schedule with 16 sorted Time Value entries by time in ascending order The BA weekly schedule consists of 7 daily schedules corresponding to Monday Sunday and additional BA Properties Data Item Size is therefore a fixed 256 registers per the weekly schedule Register Address Mapped ...

Страница 168: ...9 0xFF 9005 Seconds 00 59 0xFF HundrethsOfASecond 00 99 0xFF 9006 9037 Equipment ID string 32 Registers Property 4895 Read only 9038 9069 Serial Number string 32 Registers Property 5100 9070 9101 Model Information string 32 Registers Property 4827 9102 9165 Firmware Revision string 64 Registers Property 44 9166 9229 Application Software Version string 64 Registers Property 12 9230 9233 Supported L...

Страница 169: ...ssible via the delivery package on SIOS Siemens Industry Online Support at https support industry siemens com cs us en view 109776501 Note the list is part of the complete package and therefore always compatible Engineering of communicative devices Modbus slave 6 A6V10733786_en_c 169 170 ...

Страница 170: ...tzerland Ltd Smart Infrastructure Global Headquarters Theilerstrasse 1a CH 6300 Zug 41 58 724 2424 www siemens com buildingtechnologies Siemens Switzerland Ltd 2020 Technical specifications and availability subject to change without notice ...

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