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Functions

Control sequences

4

A6V11545892_en--_a

59 | 150

4.7.3 2-pipe fan coil unit

In 2-pipe applications, the thermostat controls a valve in heating/cooling mode with

changeover (automatically or manually), heating only, or cooling only (factory

setting, P001 = 1).
The diagrams below show the control sequence for On/Off control.

Heating mode

Cooling mode

T[°C]   Room temperature

SDH    Switching differential "Heating"

           (P051)

w        Room temperature setpoint

SDC    Switching differential "Cooling"

           (P053)

YHC   Control command "Valve"

The diagrams below show the control sequence for modulating PI control.

Heating mode

Cooling mode

T[°C]   Room temperature

XpH    Proportional band "Heating"

          (P050)

w        Room temperature setpoint

XpC    Proportional band "Cooling"

          (P052)

YHC   Control command "Valve"

The diagrams only show the PI thermostat’s proportional part.
For setting sequence and control outputs, see Application overview [

➙

 37],

Sequence overview (setting via P001) [

➙

 56] and Control outputs [

➙

 78].

Parameter P256 (RDG260KN) sets the heating flow limitation when using a PICV.

See Additional functions [

➙

 42].

On/Off control
Control sequence

On/Off control output

Modulating control:

3-position, PWM or

DC 0…10 V
Control sequence

modulating output

Note

Note

Содержание RDG200KN

Страница 1: ...RDG200KN RDG260KN Room thermostats with KNX communications Basic Documentation A6V11545892_en _a Smart Infrastructure 2020 11 16 ...

Страница 2: ...n 21 3 5 Disposal 21 3 6 Cyber security disclaimer 21 4 Functions 22 4 1 Temperature control 22 4 2 Operating modes 23 4 2 1 Different ways to influence operating mode 24 4 2 2 Communication examples 29 4 3 Room temperature setpoints 32 4 3 1 Description 32 4 3 2 Setting and adjusting setpoints 34 4 4 Application overview 37 4 4 1 Applications for fan coil systems 38 4 4 2 Applications for univers...

Страница 3: ...ntrol 84 4 10 Multifunctional input digital input 92 4 11 Handling system faults 94 4 12 KNX communications 94 4 12 1 S Mode 94 4 12 2 LTE Mode 95 4 12 3 Zone addressing in LTE Mode with Synco 95 4 12 4 Example of heating and cooling demand zones 97 4 12 5 Send heartbeat and receive timeout 98 4 12 6 Startup 98 4 12 7 Heating and cooling demand 98 4 12 8 Fault and alarms function on KNX 99 4 13 Co...

Страница 4: ...W772 127 6 Connection 128 6 1 Connection terminals 128 6 2 Connection diagrams 129 6 3 Application examples 132 6 3 1 Humidity control 132 6 3 2 Relay functions 135 6 3 3 Swap function and or fan in the 2nd stage 137 7 Technical data 140 8 Dimensions 146 Index 147 ...

Страница 5: ...s EN https my knx org shop product la nguage en product_type_categor y books product_type handbook DE https my knx org shop product la nguage de product_type_categor y books product_type handbook Synco and KNX see www siemens com synco 6 KNX bus Datasheet CE1N3127 7 Communication via the KNX bus for Synco 700 900 and RXB RXL Basic Documentation CE1P3127 8 Planning and commissioning protocol commun...

Страница 6: ...y be duplicated and distributed only with the express permission of Siemens and may be passed only to authorized persons or companies with the required technical knowledge 1 3 3 Quality assurance This document is prepared with great care The contents of this document are checked at regular intervals Any corrections necessary are included in subsequent versions Documents are automatically amended a...

Страница 7: ...points or for the improper compliance of the same 1 4 Target audience prerequisites This document assumes that users of the RDG2 KN room thermostats are familiar with the ETS tool Synco ACS tool or both and can use them It is also assumed that these users are aware of the specific conditions associated with KNX In most countries specific KNX know how is conveyed through training centers certified ...

Страница 8: ... system with radiator floor heating 2 pipe 2 stage system 4 pipe system 4 pipe system with electric heater 4 pipe system with PICV and 6 port ball valve as changeover RDG260KN Chilled heated ceilings or radiators via On Off or modulating DC control outputs Chilled heated ceiling Chilled heated ceiling with electric heater Chilled heated ceiling and radiator floor heating Chilled ceiling and radiat...

Страница 9: ...via DIP switches or external commissioning software ACS ETS and Siemens smartphone application PCT Go for Android Parameter download with external commissioning software ACS ETS and Siemens smartphone application PCT Go for Android Reloading factory settings for commissioning and control parameters 1 speed 3 speed or DC 0 10 V fan control on RDG200KN and RDG260KN automatic or manual fan Advanced f...

Страница 10: ...nd Output status heating cooling sequence Dehumidification humidification control output KNX bus terminals CE and CE for communication with Synco devices or KNX compatible devices Display of outside temperature or time of day from KNX bus Time scheduling and central control of setpoints from KNX bus Control of Economy setpoints via KNX bus Relative humidity setpoint via KNX bus Control of KNX actu...

Страница 11: ...nt modules with passive temperature measurement LG Ni1000 AQR2531ANW 1408 Strap on temperature sensor LG Ni1000 QAD22 1801 Condensation monitor QXA21 A6V10741072 Flush mount KNX room sensor base and front module AQR2570N AQR2532NNW AQR2533NNW AQR2535NNW 1411 Wall mounted KNX sensors QMX3 P30 QMX3 P70 1602 Type of unit Product no Datasheet Electromotive On Off actuator SFA21 SFA71 4863 Electromotiv...

Страница 12: ...tuator 3 position for small valves 5 5 mm AC 230 V SSB31 4891 Electric actuator 3 position for small valve 5 mm AC 230 V SSD31 4861 Electric actuator 3 position for valves 5 5 mm AC 230 V SAS31 4581 Rotary actuators for ball valves 3 position GDB331 9E 4657 Rotary actuators for ball valves 2 or 3 position GDB141 9E GDB341 9E A6V10636150 Type of unit Product no Datasheet Electric actuator 3 positio...

Страница 13: ...el run of 2 or more thermal actuators is not possible If several fan coil units are controlled by the same room thermostat motorized actuators with On Off or 3 position control are preferred For more information about parallel operation and the max number of actuators that can be used refer to the data sheets of the selected actuator type and the following list Max number of actuators in parallel ...

Страница 14: ...onitoring with web browser using the OZW772 web server Maximum energy efficiency due to exchange of relevant energy information e g with Synco 700 controllers e g heating demand cooling demand Alarming e g external fault contact condensation clean filter and so on Monitoring input for temperature sensor or switch Engineering and commissioning can be done by using Local DIP switches and HMI Synco A...

Страница 15: ...ral control RDG RDF integration RDG RDF Thermostats for room climate control Gamma Instabus For lighting control and other room electrical applications The RDG2 KN thermostats can be integrated into the Siemens building automation and control systems BACS Desigo or into third party systems Either S Mode group addressing or individual addressing can be used for integration Legend Desigo and third p...

Страница 16: ...or supply lines to external consumers Q1 Q2 Q3 Yx or Yxx Risk of fire and injury due to short circuits Adapt the line diameters as per local regulations to the rated value of the installed over current protection device The AC 230 V mains supply line must have an external circuit breaker with a rated current of no more than 10 A Properly size the cables to the thermostat fan and valve actuators fo...

Страница 17: ...ng that reset is correct After the reset of 3 seconds the thermostat is ready for commissioning by qualified HVAC staff If all DIP switches are Off NO APPL displays indicating that application commissioning via a tool is required The Siemens smartphone application Product Commissioning Tool PCT Go for Android is a commissioning tool that allows user to Read and write parameters of the thermostats ...

Страница 18: ...ort and save energy The programming mode helps identify the thermostat in the KNX network during commissioning Touch both the left and right buttons simultaneously for 6 seconds to activate programming mode indicated on the display by PROG Programming mode remains active until thermostat identification is complete Assign device address P900 via HMI ACS ETS or Siemens smartphone application PCT Go ...

Страница 19: ... button User action Effect description Normal operation Actual operating mode and state are indicated by symbols Press any button thermostat in normal operation Enter operating mode selection backlit LCD turns on all possible mode symbols turn on indicator element arrow P001 3 displays the current mode state Press left button Operating mode indicator element arrow P001 3 changes to the next mode s...

Страница 20: ...within 2 seconds press the right button again until P001 is displayed Enter parameter setting mode Service level Press left and right button for 3 seconds release press left button for 2 seconds until the temperature disappears then turn rotary knob counterclockwise min revolution Enter parameter setting mode Expert level diagnostics and test Press left and right button simultaneously for 6 second...

Страница 21: ...ement as well as physical security systems In order to protect plants systems machines and networks against cyber threats it is necessary to implement and continuously maintain a holistic state of the art security concept Siemens portfolio only forms one element of such a concept You are responsible for preventing unauthorized access to your plants systems machines and networks which should only b...

Страница 22: ... setpoint in F or C as needed When P008 1 the Comfort setpoint is always displayed even when the operating mode changes The acquired room temperature internal or external sensor is available as information on the bus RDG2 KN can also acquire the room temperature via KNX With automatic changeover or continuous heating cooling symbols indicate that the system is currently in heating or cooling With ...

Страница 23: ...de when Standard presence mode The presence detector local or via KNX is active room is occupied Room operating mode Presence detector Economy The setpoints more energy savings than in Comfort mode can be defined via P019 and P020 The thermostat switches to Economy mode when The operating mode button is pressed only possible if P002 is set to 2 Economy is sent via bus Hotel presence mode When hote...

Страница 24: ...a bus local operating mode is set to Auto Time schedule sends Protection mode via bus operating mode cannot be changed locally Time switch The following table shows the priorities of different interventions A lower number means higher priority Priority Description Remark Commissioning In parameter setting mode you can always command an operating mode independent of all other settings or interventi...

Страница 25: ...sing the operating mode button if Economy was sent via bus For an extended Comfort period 0 P102 Note The last option selected is used either locally or using bus Time schedule via bus The operating mode sent via bus can be overridden by all other interventions Exception Protection mode has priority 2 Note If the time schedule switches from Comfort to Economy but the presence detector is still act...

Страница 26: ... operating mode 27 2 End user available operating mode button Switching manually between 3 modes by pressing operating mode button Suited for homes and rooms where manual switching to Economy mode is desired 3 End user available operating mode button Switching manually between 2 modes by pressing protection hospitality mode button Economy is not available factory setting Suited for hotel guest roo...

Страница 27: ...displays When P102 extend Comfort period equals 0 extended Comfort cannot be activated pressing the left button will switch the thermostat to Protection If the operating mode window contact is active press the left button and OFF displays blinking The actual room operating mode can be forced temporarily to Comfort or Economy Protection The time period is adjusted via the rotary knob Extend presenc...

Страница 28: ...tion hospitality Comfort Extension absence is not available in Protection mode Function with time schedule via bus User profile for operating mode selected via P002 Operating mode when activating function Mode button Function Operating mode during function Operating mode at the end of function P002 1 Auto Extension Comfort Auto Comfort Extension Comfort Auto Auto Absence Protection Auto Comfort Ab...

Страница 29: ... and controlled by the time schedule as follows Night setback from 17 00 to 08 00 Economy Lunch break from 12 00 to 13 00 Pre Comfort The substitution P910 for Pre Comfort via bus is set on the thermostats as follows Room 1 Comfort 1 Room 2 Economy 0 Window contact In Room 1 the window is opened briefly once in the morning and once in the late afternoon 1 The opening in the morning and afternoon d...

Страница 30: ...ry Comfort extension During lunch break the time schedule changes to Pre Comfort The thermostat mode changes to Economy as set by parameter Transformation Pre Comfort P910 0 6 During lunch break the user changes the operating mode to Comfort temporary Comfort extension by pressing the operating mode button 2 At 13 00 the timer is reset due to mode change by the central time schedule In the afterno...

Страница 31: ... In the afternoon the central time schedule sets Comfort mode from 13 00 to 17 00 3 After 17 00 the room is still occupied and the operating mode remains in Comfort occupancy via presence detector 4 The users open the window and exit the room for a short time The operating mode switches to Protection as long as the window is open 5 As soon as the room is unoccupied the thermostat switches to Econo...

Страница 32: ...by presence detector and hotel presence detector digital input or bus When Temporary comfort setpoint is disabled via P103 the Comfort setpoint is set back to the Comfort basic setpoint stored in P011 immediately as soon as the Comfort basic setpoint is changed For Comfort or energy saving purposes the setpoint setting range can be limited by selecting the most appropriate setpoint concept Setpoin...

Страница 33: ...or P015 of the inactive sequence E g the thermostat is in heating sequence and runs on the heating setpoint When the room temperature reaches P015 the thermostat switches to cooling and runs on the cooling setpoint as long as the room temperature does not drop below P014 Use P019 and P020 to adjust Economy mode setpoints The heating setpoint is 15 C factory setting and the cooling setpoint is 30 C...

Страница 34: ...he form of parameters Runtime memory The figure below shows the interrelation 1 Only required for heating and cooling applications see Setpoints and sequences 76 2 LTE Mode Shift is added to the local shift 3 S Mode The last option selected is always used either S Mode input or local operation 4 To display the S Mode objects of the Economy heating and cooling setpoint P019 P020 set the control par...

Страница 35: ...ayed are handled differently depending on the selected application and setting Both the Comfort setpoint w and current setpoint w2 have the same value Heating mode Cooling mode The Comfort setpoint w value selectable by e g rotary knob is in the middle of the dead zone P055 The current setpoints w2 used by the thermostat for temperature control are at the boundaries of the dead zone w2h Comfort se...

Страница 36: ...a minimum distance of 0 5 K The result of local and central shifting together with room operating mode humidity control or setpoint tracking for cooling is used by the thermostat for temperature control current setpoint The room thermostat always takes over the setpoints received from the controller RMB795B Thus the setpoints adjusted locally on the thermostats are overridden by the setpoints from...

Страница 37: ...ens smartphone application PCT Go for Android ON DIP NO 1 5 OFF DIP NO 1 5 RDG200KN RDG260KN Application Application Fan coil fan speed ON 3 speed OFF DC 0 10 V Fan coil fan speed ON 3 speed OFF DC 0 10 V FCU control outputs 1 ON 3 position OFF 2 position Control outputs 1 ON On Off OFF DC 0 10 V FCU control outputs 2 ON 3 position OFF 2 position Control outputs 2 ON On Off 6 port valve DC invert ...

Страница 38: ...il unit with electric heater Using RDG200KN RDG260KN Using RDG200KN RDG260KN Using RDG200KN RDG260KN 4 pipe fan coil unit with PICV and 6 port ball valve as changeover YHC Heating cooling valve actuator YH Heating valve actuator YC Cooling valve actuator YE Electric heater M1 1 speed or 3 speed fan DC 0 10 V fan B1 Return air temperature sensor or external room temperature sensor optional B2 Chang...

Страница 39: ...adiator Chilled and heated ceiling control with 6 port ball valve Using RDG200KN RDG260KN Using RDG200KN RDG260KN Using RDG260KN Chilled and heated ceiling control with PICV and 6 port ball valve as changeover YHC Heating cooling valve actuator YH Heating valve actuator YC Cooling valve actuator YE Electric heater D3 Dewpoint sensor M1 1 speed or 3 speed fan DC 0 10 V fan B1 Return air temperature...

Страница 40: ...N RDG260KN Heated and cooled with compressors 2 stage heated or cooled with compressors Using RDG200KN RDG260KN Using RDG200KN RDG260KN N1 Thermostat Output Y10 Q1 Heating or heating cooling Output Y20 Q2 Cooling only heating cooling B1 Return air temperature sensor or external room temperature sensor optional YE Electric heaters D3 Dewpoint sensor Product No Control output Fan RDG200KN On Off Dis...

Страница 41: ...default setting is AC 230 V Therefore RDG200KN can be used with the following combinations AC 230 V or AC 24 V systems with 3 speed and DC 0 10 V fan control SELV AC 24 V systems with PWM AC 24 V electrothermal actuators Notes The outputs triacs and relays follow the main power supply either AC 230 V or AC 24 V The device is damaged when set to AC 24 V but powered by AC 230 V To select the correct...

Страница 42: ...g energy in mixed systems Floor heating cooling P350 Application without fan control Qx relay switching function P400 P401 P402 Control external equipment based on function state heating cooling demand operating mode sequence humidity Monitoring and limitation functions 49 Floor temperature limitation function P252 For user Comfort and floor protection Supply air temperature limitation P063 P064 T...

Страница 43: ...16 C P059 the thermostat changes over to cooling mode and remains in cooling mode until the temperature exceeds 28 C P060 If the water temperature is between the 2 changeover points immediately after power up within hysteresis the thermostat starts in the previous mode The water temperature is acquired and the operating state is updated accordingly M Operating mode Cooling mode Tw Water temperatur...

Страница 44: ...repeatedly pushing the button until the required mode is displayed If manual heating cooling changeover is commissioned P001 3 heating cooling mode cannot be changed via bus changeover sensor switch it remains in the last mode selected locally via button The thermostat acquires the room temperature via built in sensor external room temperature sensor QAA32 or external return air temperature sensor...

Страница 45: ...g mode Use a card reader and not a motion detector combined with hotel presence function for hotel applications as the buttons are locked in case of unoccupancy Hotel presence detection is also possible via bus In this case do not assign the function to local input X1 X2 or U1 Time schedule via Bus Presence detector behavior Comfort mode When hotel guests leave their rooms room is unoccupied the o...

Страница 46: ...rent equipment e g fan coil units and radiant heating cooling panels it is possible to invert the sequence of the equipment to optimize energy use when the thermostat changes the sequence from heating to cooling P001 2 or 3 Under factory settings the 1st stage in heating YHC1 is also the 1st stage in cooling The swap function optimizes use of heating cooling energy in mixed systems E g when the fa...

Страница 47: ...xceed 2 A The relay output function can be enabled and tested as follows Relay output function on Enable function via Expert level parameter Test function via diagnostic parameter Q1 P400 d08 Q2 P401 d09 Q3 P402 d10 The external equipment e g fan coil unit can be switched off via relay output to save energy when the thermostat is in Protection mode and no temperature control is requested Set the r...

Страница 48: ...e dead zone set the parameter to 5 To close the contact when the thermostat is in cooling mode even in the dead zone set the parameter to 6 For application examples see Relay functions 135 To reduce wear and tear on HVAC equipment the minimum output On Off time of the Qx relay output can be adjusted 1 20 minutes via P212 and P213 The factory setting is 1 minute Depending on room humidity and the h...

Страница 49: ...20 Y2 Y20 Only radiator 4 pipe Heating valve Cooling valve Y1 Y10 N A Y1 Y10 4 pipe with electric heater Heating valve Cooling valve Electric heater Y3 Y30 N A Y3 Y30 Only electric heater 2 pipe 2 stage 1st H C 2nd H C Y1 Y10 Y2 Y20 N A If P027 ON electric heater in cooling mode Either floor temperature sensor or external room temperature sensor can be used This function increases the comfort in t...

Страница 50: ...n on the chilled ceiling cooling with fan disabled P350 0 and associated damages to the building A dewpoint sensor with a potential free contact is connected to multifunctional input X1 X2 or U1 If there is condensation the cooling valve is fully closed until no more condensation is detected and the cooling output is disabled temporarily If the fan function is enabled P350 0 the fan continues to w...

Страница 51: ...8 is set to 3 8 the related function is locked and the corresponding symbol cannot be displayed Green leaf is an energy efficient setting indicating the end user settings Green leaf Settings are within the preset energy efficient range Red leaf Settings exceed the preset energy efficient range Green leaf functionality is configured via P110 0 Disabled OFF 1 Green and red dimmed down 2 Green dimmed...

Страница 52: ...the relative humidity value on the bus if the external KNX sensor is in the same geographic zone apartment and room A R 1 as the thermostat 3 In other cases the thermostat displays the humidity value measured by the built in sensor To display room humidity on the thermostat P009 needs to be set to 5 The high humidity setpoint is selectable via P024 setpoint humidity high Comfort and can be adjuste...

Страница 53: ...402 are not displayed The current of the external DC On Off converter cannot exceed the maximum output current of Y50 max 5 mA We recommend using the converter from Titan single relay control IO 1RM at 3 mA input current The function controls minimum relative humidity in the room and is available only for applications with DC 0 10 V fan or no fan The external humidifier connected to the relay outp...

Страница 54: ...nt In this case set P461 to a negative value 0 5 3 0 K This setting is typically used for cooling applications with fan coil units or split units When the thermostat is in cooling mode or in the dead zone the temperature setpoint cooling is shifted only when P461 is less than 0 K The temperature setpoint heating if available remains unchanged The thermostat guarantees a minimum dead zone between b...

Страница 55: ...individual package or antenna area of the thermostat Data exchange between controller and Siemens smartphone application is 10 s P500 enables disables NFC communication locally or via tool ETS ACS or Siemens smartphone application PCT Go for Android When disabled default is enabled the application cannot read or write the thermostat and message NFC communication is disabled on the thermostat is di...

Страница 56: ...ic heater radiator Automatic heating cooling changeover via external water temperature sensor or remote switch Manually select heating or cooling sequence using HMI Heating and cooling sequence 4 pipe 2 pipe 2 pipe with el heater 2 pipe with radiator 4 pipe 4 pipe with el heater 2 2 pipe 2 stage heating or cooling 1 For chilled heated ceiling and radiator applications see Chilled heated ceiling an...

Страница 57: ... received the room is cooled down as fast as possible as needed The thermostat only allows for cooling Cooling only 6 Off Thermostat does not control outputs that is all outputs go to off or 0 Neither heating nor cooling 8 Emergency heat The thermostat heats as much as possible The thermostat allows only heating Heating only 9 Fan only All control outputs are set to 0 and only the fan is set to hi...

Страница 58: ... the application mode and heating cooling demand Application mode via bus Heating cooling demand Control sequence state ACS diagnostic value Auto 0 Heating Heating No demand Heating cooling depending on last active sequence Cooling Cooling Heat 1 2 8 Heating Heating No demand Heating Cooling Heating Cool 3 5 Heating Cooling No demand Cooling Cooling Cooling Night purge 4 Fan only 9 No temperature ...

Страница 59: ...and Valve The diagrams below show the control sequence for modulating PI control Heating mode Cooling mode T C Room temperature XpH Proportional band Heating P050 w Room temperature setpoint XpC Proportional band Cooling P052 YHC Control command Valve The diagrams only show the PI thermostat s proportional part For setting sequence and control outputs see Application overview 37 Sequence overview ...

Страница 60: ...st be commissioned accordingly P150 P153 and P155 See Multifunctional input digital input 92 The electric heater can also be enabled disabled via bus Do not assign the function to a local input X1 X2 or U1 if Enable electric heater input is used via bus CAUTION The electric heater must always be protected by a safety limit thermostat With a DC 0 10 V fan On Off control for the electric heater can ...

Страница 61: ... heating or heating only Cooling mode changeover cooling or cooling only The diagrams below show the control sequence for modulating control Heating mode changeover heating or heating only Cooling mode changeover cooling or cooling only The diagrams only show the PI thermostat s proportional part For setting sequence and control outputs see Application overview 37 Sequence overview setting via P00...

Страница 62: ...additional heat source when the heating energy controlled by the radiator is insufficient The fan coil unit receives an On command if the temperature is below setpoint minus setpoint differential setpoint for fan coil unit The radiator sequence can also be used for floor heating Floor heating limitation P252 function see Monitoring and limitation functions 49 The diagrams below show the control se...

Страница 63: ...mand Valve or Compressor XpR Proportional band Radiator P054 YR Control command Radiator Xdz Dead zone P055 wD Setpoint differential P056 The diagrams only show the PI thermostat s proportional part For setting sequence and control outputs see Application overview 37 Sequence overview setting via P001 56 and Control outputs 78 Parameter P256 RDG260KN sets the heating flow limitation when using a P...

Страница 64: ...els or floor heating cooling See Additional functions 42 to enable the function via P254 Depending on the equipment fan control needs to be started in the 2nd stage in the 1st stage the fan remains Off either in the heating or cooling sequence To cover the requested application the fan can be enabled and disabled in different sequences For further details see Fan control 87 In the 2 pipe 2 stage a...

Страница 65: ...ntrol command Stage 2 XpH Proportional band Heating P050 XpC Proportional band Cooling P052 wD Setpoint differential P056 The diagrams only show the PI thermostat s proportional part For setting sequence and control outputs see Application overview 37 Sequence overview setting via P001 56 and Control outputs 78 For applications with different signals On Off 1st stage and DC 2nd stage heating cooli...

Страница 66: ...mand Valve heating YC Control command Valve cooling SDH Switching differential Heating P051 SDC Switching differential Cooling P053 Xdz Dead zone P055 Heating mode with manual selection P001 3 or energy saving P010 2 P014 in heating sequence Cooling mode with manual selection P001 3 or energy saving P010 2 P015 in cooling sequence The diagrams below show the control sequence of modulating PI contr...

Страница 67: ...010 2 P014 in heating sequence Cooling mode with manual selection P001 3 or for energy saving P010 2 P015 in cooling sequence The diagrams only show the PI thermostat s proportional part For setting sequence and control outputs see Application overview 37 Sequence overview setting via P001 56 and Control outputs 78 Note ...

Страница 68: ... and cooling Enable the flow limitation function for PICV via parameter P256 to balance heating and cooling and avoid hydraulic problems caused by the different flow rates see Additional functions 42 The fan can only be set on DC Y50 output in this application Set fan operation P350 to enable enable by default T Room temperature Y10 DC 0 10 V signal W Room temperature setpoint YH Control command V...

Страница 69: ...See Multifunctional input digital input 92 The electric heater can also be enabled disabled via bus Do not assign the function to a local input X1 X2 or U1 if the bus input is used CAUTION The electric heater must always be protected by a safety limit thermostat The heating or cooling output can be released via operating mode button if P001 is set to Manual P001 3 The diagrams below show the contr...

Страница 70: ...command Valve heating YC Control command Valve cooling XpH Proportional band Heating P050 XpC Proportional band Cooling P052 Xdz Dead zone P055 wD Setpoint differential P056 The diagrams only show the PI thermostat s proportional part For setting sequence and control outputs see Application overview 37 Sequence overview setting via P001 56 and Control outputs 78 YH can only be DC On Off or PWM YC ...

Страница 71: ...equences Chilled heated ceiling with changeover 2 pipe 2 pipe fan coil unit 59 H C Chilled heated ceiling and electric heater cooling only disable electric heater via P027 2 pipe with electric heater 2 pipe fan coil unit with electric heater 60 El H H El H C C Chilled heated ceiling and radiator 2 pipe with radiator 2 pipe fan coil unit with radiator or floor heating 62 H rad r Rad C r Chilled cei...

Страница 72: ...ng YC Control command Valve cooling Kv Vale flow Default integral action time TN is set to 45 minutes If the thermostat is set to control sequence H C ceiling with 6 port control ball valve only output Y10 can be used to control the 6 port control ball valve Output voltage range of Y10 can be configured via P201 For details see Overview 78 P201 6 6 port valve DC 0 10 V control signal P201 7 6 port...

Страница 73: ...lings 4 pipes with one heat exchanger and differential pressure controller using a PICV The control sequences heating and cooling are managed by one DC 0 10 V signal Y10 to be used with a combi valve A 6 port ball valve must be used for changeover Enable the flow limitation function for PICV via parameter P256 to balance heating and cooling and avoid hydraulic problems caused by the different flow...

Страница 74: ... 10 Compressor applications For compressor applications Set the corresponding basic application as per Application overview 37 Disable the fan P350 or set the type of fan speed P351 Select the type of control outputs On Off P201 P203 P204 The following applications are available Application for compressor in DX type equipment Basic application Section Sequences 1 stage compressor 2 pipe 2 pipe fan...

Страница 75: ... or humidity value in large spaces e AQR QMX sensor is better suited to interior designs Sensor AQR25 QMX3 P30 or QMX3 P70 supplies relative humidity and room temperature values to the RDG2 KN RDG2 KN and the sensors use LTE Mode KNX communication To exchange information humidity or room temperature both units must have the same geographic zone apartment and room A R 1 where A is the value of P901...

Страница 76: ...ating mode or at the cooling sequence in cooling mode The setpoints for Economy and Protection are below the Comfort setpoints for heating and above the Comfort setpoints for cooling They can be set via P019 P020 Economy and P100 P101 Protection Application Comfort mode Economy Protection mode Heating Cooling Heating Cooling 2 pipe 2 pipe with electric heater 2 pipe with radiator 2 pipe 2 stage he...

Страница 77: ...case the Comfort setpoint is at the selected heating or cooling sequence Application Comfort mode Economy Protection mode Heating and cooling P010 1 Heating only 1 or heating and cooling P010 1 Cooling only 1 or heating and cooling P010 2 Heating and or cooling 4 pipe 4 pipe with electric heater 1 Manual changeover P001 3 W Setpoint in Comfort mode WHeatEco Prot Heating setpoint for Economy or Pro...

Страница 78: ...the Off command if 1 The acquired room temperature is above the setpoint for heating or below the setpoint for cooling 2 The valve is active for more than the Minimum output on time factory setting 1 minute adjustable via P212 For switching differential P051 P053 P054 see Control sequences 56 The valve receives the On command via control output Y1 or Y2 on RDG200KN if 1 The acquired room temperatu...

Страница 79: ...nized to the control algorithm 3 After the actuator reaches the position calculated by the thermostat a waiting time of 30 seconds is applied to stabilize the outputs The demand calculated from the current room temperature and setpoint is supplied via Y1 Y2 and Y3 to the valve actuator as a PWM pulse width modulation signal for thermal actuators The control output is activated for a period proport...

Страница 80: ...d Y20 to the valve actuator as a continuous DC 0 10 V signal Parameter P256 RDG260KN sets the heating flow limitation if PICV is installed at output Y10 for heating and cooling See Additional functions 42 For P band P050 P052 P054 see Control sequences 56 The demand calculated by PI control from the current room temperature and setpoint is provided via Y20 as a continuous DC 0 10 V signal The sign...

Страница 81: ...ens and competitor 6 port control valves and actuators with DC 0 10 V signal P201 7 6 port valve DC 2 10 V control signal Suitable for competitor 6 port control valves and actuators with DC 2 10 V signal e g Belimo P201 8 inverse signal 6 port valve DC 10 0 V control signal Useful for inversed hydraulic connection on the 6 port control ball valve with Siemens or competitor DC 0 10 V actuator P201 ...

Страница 82: ...electric heater 200 260 260 2 pipe with radiator floor heating 200 260 260 2 pipe 2 stage cooling or heating 200 260 260 4 pipe 200 260 260 4 pipe with electric heater 1 200 260 2 260 Heating Cooling with 6 port valve 260 Heating Cooling with 6 port valve as changeover and PICV valve 3 260 1 Only available for cooling actuator 2 Only selectable for electrical heater 3 Relay outputs for 6 port valv...

Страница 83: ...tructions 5 1 2 Applications with DC 0 10 V fan control Y50 or without fan The type of valve actuator control outputs can be changed from DC 0 10 V factory setting to On Off To select On Off valve actuator control set P201 and or P203 to 4 or DIP switch 7 and or 8 to ON Example for 4 pipe application Cooling DC 0 10 V Y10 P201 5 default On Off on Q1 P201 4 Heating DC 0 10 V Y20 P203 5 default On O...

Страница 84: ...e application is set via DIP switches and DIP 6 is set to Off DC 0 10 V fan on Y50 is selected P351 3 DC 0 10 V fan cannot be modified 3 speed 1 speed fan output is not available If the application is set via DIP switches and DIP 6 is set to On 3 speed fan on Q1 Q2 Q3 is selected P351 2 1 speed fan on Q1 can be selected via HMI P351 1 or via tools ACS or ETS DC 0 10 V fan output is not available 3...

Страница 85: ...10 V fan min output P356 Switching point for fan Heating cooling 1 or 3 speed fan DC 0 10 V fan w Room temperature setpoint Q Fan speed YH Control demand Heating YC Control demand Cooling XpH Proportional band Heating P050 XpC Proportional band Cooling P052 Xdz Dead zone P055 Fan speed switching point high P355 Fan speed switching point med P354 Fan speed switching point low P353 Fan_max Max DC 0 ...

Страница 86: ...e P055 XpHFan Switching range for fan Heating Table XpCFan Switching range for fan Cooling Table Fan 3 speed switching point high P355 Fan 3 speed switching point med P354 Fan_max Max DC 0 10 V fan speed P359 for heating P360 for cooling Fan_med Med DC 0 10 V fan speed P358 Fan_min Min DC 0 10 V fan speed P357 SDH SDC K 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 XpHFan XpCFan K 2 3 4 5 6 7 8 9 10 The the...

Страница 87: ...ooling sequence The following settings are available by selecting fan control P350 accordingly P350 4 2nd stage Fan runs in the 2nd stage in heating and cooling example 1 or 2 when combined with the swap function P350 5 Heating and 2nd stage cooling Fan runs in heating mode and in the 2nd stage cooling example 3 P350 6 Cooling and 2nd stage heating Fan runs in cooling mode and in the 2nd stage hea...

Страница 88: ...set to 5 and the swap function is selected P254 to On or Off Example 2 P350 4 Example 3 P350 5 Heating mode Cooling mode Swap function The output for the 1st stage in heating mode is the 2nd stage for cooling This function is available for DC 3 speed 1 speed fans The following table shows the relation between fan behavior switching range fan XpHFan XpCFan as per reference table or proportional ban...

Страница 89: ...ure in the dead zone the control valve is normally closed and the fan is disabled With the periodic fan kick function the fan can be released from time to time at low speed for a minimum on time see above even if the valve is closed This function is used to prevent damage from moisture due to a lack of air circulation or to allow a return air temperature sensor to acquire the correct room temperat...

Страница 90: ... 60 seconds P352 to avoid overtemperature of the electric heater or prevent the thermal cutout from responding WARNING Fan failure In case of fan failure the thermostat cannot protect the electric heater against overtemperature For this reason the electric heater must have a separate safety device thermal cutout The Clean fan filter reminder function counts the fan operating hours and displays mes...

Страница 91: ...ngeover For this application where the combi valve PICV controls the flow rate and the 6 port ball valve works as changeover heating cooling fan control can Also be disabled P350 0 Run only in heating P350 2 sequence Run only in cooling P350 3 sequence For this application only DC fan control is available at output Y50 Fan operation with combi valve PICV and a 6 port ball valve as changeover ...

Страница 92: ...42 Heating cooling changeover is possible via bus In this case the function must not be assigned to local inputs X1 X2 U1 See also Additional functions 42 Diagnostic value 0 C is displayed for closed contact 100 C for open contact if a switch is connected AI DI Window contact 3 Window contact Digital input to change over the operating mode to Protection If the window contact is active user operati...

Страница 93: ...s the selected limit P252 heating is stopped See also Monitoring and limitation functions 49 AI 12 Coil temperature To avoid cooling flow air in the room the sensor measures the coil water temperature and releases the fan only when the selected minimum hot water temperature limit is exceeded P366 See also Fan control 90 AI Hotel presence detector 13 Hotel presence detector Hotel presence detector ...

Страница 94: ...external sensor is connected if input X1 X2 U1 is configured as AI except room temp external sensor return AI fault message Er3 Er4 or Er5 is displayed on the thermostat Check related sensor input terminals Fault Thermostat Fault information on bus Display Error code Default fault text Built in sensor fails and no external sensor is connected Er1 EEPROM is damaged Er2 External remote sensor error ...

Страница 95: ...scribed in the Synco Application Manual 5 14 To engineer and commission a specific system use the Synco700 planning and commissioning protocol 5 XLS table in HIT 8 4 12 3 Zone addressing in LTE Mode with Synco Zone addresses must be allocated where RDG2 KN KNX room thermostats are used in LTE Mode e g in conjunction with Synco The following zone addresses must be defined together with the Synco de...

Страница 96: ...ule information is sent by the RMB975 central control unit The zones are divided into so called Room groups e g 1 4 where each Room group can have an individual schedule A room thermostat in the same Room group must have the same apartment address Key D Device address P900 G Geographical zone P901 P902 Apartment Room Subzone Heat distribution zone heating coil Zone 1 31 Information related specifi...

Страница 97: ...typical application the individual RDF RDG room thermostats send their heat demand to the primary controller in the above example to the RMH760 1 and 2 designate the numbers of the distribution zone This type of application can also be applied to refrigeration distribution zones If no 2 pipe fan coil unit is used heat and refrigeration demand signals are sent simultaneously to the primary plant Ex...

Страница 98: ... they are not being used In disabled zones the LTE signal no longer sends periodically and therefore reduces bus load 4 12 6 Startup The application is restarted after every reset so that all the connected motorized valve actuators are synchronized see Control outputs 78 After a reset it takes up to 5 minutes for all the connected room thermostats to restart This is designed to avoid overloading t...

Страница 99: ...lt 1 Bus power supply 2 BUS 5000 No bus power supply 2 Device address error Addr 6001 1 id device address 3 Condensation COND 4930 Condensati on in the room 4 External fault input X1 AL1 9001 Fault input 1 5 External fault input X2 AL2 9002 Fault input 2 6 External fault input U1 AL3 9003 Fault input 3 7 Clean filter reminder FIL 3911 Dirty filter 1 Default alarm texts are stored in the thermostat...

Страница 100: ...Functions Communication objects S Mode 4 100 150 A6V11545892_en _a 4 13 Communication objects S Mode 4 13 1 Overview ...

Страница 101: ...etpoint rel receive 45 U1 Digital 0 1 36 External room temperature value 47 Heating Cooling mode status send 1 Heating 0 Cooling 46 Heating Cooling mode status receive 1 Heating 0 Cooling 51 Fan operation 0 Auto 1 Manual 48 Application mode 53 Fan output 49 Dew point alarm 0 Normal 1 Alarm 57 Fan speed 1 0 Off 1 On 50 Enable fan command value 0 Disable 1 Enable 58 Fan speed 2 0 Off 1 On 59 Fan spe...

Страница 102: ... Time switch Comfort Economy Protection Trigger 1 017 1 bit CW Common alarm output If an alarm occurs the alarm flag is set 6 Fault transmission Enable Disable 1 003 1 bit CWU A supervisory alarm system can disable the broadcasting of alarms sent by the devices This has no impact on the local display of alarms After a timeout of 48 hours the sending of faults is automatically enabled again Switch ...

Страница 103: ... relevant setpoint of only heating only cooling heating and cooling will be stored accordingly The RDG2 KN operating mode is set to Protection if value 1 open is received and switches back to the previous mode for value 0 closed The Window contact is sent e g by a KNX switch and has the same effect as local window contact X1 X2 or U1 P150 P153 or P155 Only one input source required either a local ...

Страница 104: ... setting Set fan mode to Auto disable or Manual enable by a KNX control unit If Manual the value received on Fan command value 52 will be used to command the fan speed Default Enable The last interaction wins either from the local fan mode button or via bus 40 42 44 X1 Temperature X2 Temperature U1 Temperature Temperature 9 001 2 bytes CRT Indicate the values of the temperature sensors connected t...

Страница 105: ...on is set to 2 outside temperature Indicates the control status of heating and cooling actuator of the first stage 70 Heating and cooling control value status seq2 Off On 1 011 1 bit CRT 61 Heating control value continuous 0 100 5 001 1 byte CRT Indicates the control status of heating and cooling actuator of the second stage Indicates the position of the heating actuator of the first stage E g 2 p...

Страница 106: ...relative humidity value r h I O 9 007 2 bytes CRT 87 Keypad Lock the operating mode Lock Unlock 1 002 1 bit CWU Locks or unlocks the operating mode keypad The value of the room humidity measured via built in sensor is available on bus 78 External room relative humidity value r h I O 9 007 2 bytes CWU The thermostat receives and works with the relative humidity value from an external sensor 79 Room...

Страница 107: ...R S X Y 1 Room temperature Comfort setpoint Room humidity r h Setpoint heating Setpoint cooling Fan speed Setpoint shift heating Setpoint shift cooling Heat distr zone Heating coil energy demand heating coil Heating cooling changeover Ref distr zone Cooling coil Cooling coil energy demand Heating distr zone Heating surface Energy demand heating surface Broadcast Fault transmission Fault informatio...

Страница 108: ...ed Continue with step 2 1 Press both left and right buttons simultaneously for 3 seconds or until the device beeps if the buzzer is enabled P030 Release and within 0 5 4 seconds press the left button again until the temperature display disappears Turn the rotary knob counterclockwise minimum rotation P050 displays Continue with step 2 2 Select the required parameter by turning the rotary knob 3 Pr...

Страница 109: ...opcard most parameters Most parameters can be changed during operations using the OZW772 web server ETS is an engineering tool used to fully commission RDG2 KN KNX room thermostats Device address application and control parameters can be defined and downloaded via ETS Note If users abort operation during commissioning full commissioning cannot be restarted until the device reboots Before rebooting...

Страница 110: ...e NFC antenna in the thermostat at a distance up to 2 cm Antenna area Unpowered thermostat from individual package DIP switche settings take priority If all DIP switches are set to Off default PCT Go can be used to change the application e g 2 pipe If an application is set via DIP switches PCT Go cannot change it Change settings while the device is powered and running Application settings require ...

Страница 111: ...correction 0 10 0 10 P008 Standard display 0 0 Room temperature 1 Setpoint P009 Additional display information 0 0 No display 1 C and F 2 Outside temperature via bus 3 Time of day 12 h via bus 4 Time of day 24 h via bus 5 Humidity P010 Setpoint concept 1 1 Comfort concept 2 Energy saving concept P104 P011 Comfort basic setpoint 21 C 70 F 5 40 C 41 104 F P013 Comfort setpoint minimum 5 C 41 F P010 ...

Страница 112: ...speed P029 Fan Dead zone Comfort mode 2 0 0 Fan disable 1 Low speed Heat and Cool 2 Low speed Cooling only 3 Fan disable Auto Manual 4 Low speed Heat and Cool Auto Manual 5 Low speed Cooling only Auto Manual P350 P030 Buzzer function ON ON Enabled OFF Disabled P031 Language 1 1 English 2 French 3 German 4 Italian 5 Spanish 6 Dutch 7 Turkish 8 Czech 9 Finnish 10 Polish 11 Hungarian 12 Slovak 13 Rom...

Страница 113: ... F P060 2 K P001 P150 P153 P155 P060 2 H C changeover switching point heating 28 C 82 F P059 2 K 40 C P059 2 K 104 F P001 P150 P153 P155 P063 Minimum supply air temperature OFF OFF 0 C P064 32 F P064 P150 P153 P155 P064 Maximum supply air temperature OFF OFF P063 50 C P063 122 F P150 P153 P155 Mode and setpoints P100 Protection heating setpoint 8 C 46 F OFF 5 C P101 41 F P101 P101 Protection cooli...

Страница 114: ...Ni1000 P151 P150 P154 P153 P156 P155 P154 Normal position and sensor input X2 P156 Normal position and sensor input U1 Outputs P200 4 Number of heating cooling sequences Note for 2 4 pipe 2 stage application 1 1 2 sequence heating 2 sequence cooling 2 2 sequence heating 1 sequence cooling 3 1 sequence heating 2 sequence cooling d01 P201 RDG20xKN Output Y1 and Y3 for 3 pos RDG26xKN Output Y10 DC or...

Страница 115: ...perature OFF ON Enabled OFF Disabled P256 Flow limitation in heating mode for PICV Y10 only 10 V 0 10 V Fan control P350 Fan control 1 0 Disabled 1 Enabled 2 Heating only 3 Cooling only 4 2nd stage 5 Heating and 2nd stage cooling 6 Cooling and 2nd stage heating 7 2nd stage Cooling only 8 2nd stage Heating only P351 Fan speeds 3 1 1 speed fan 2 3 speed fan 3 DC 0 10 V fan P350 P352 Fan overrun time...

Страница 116: ... OFF OFF 100 9900 h P350 P502 Password OFF ON Enabled OFF Disabled P503 Password 000 000 999 P505 Restore factory setting OFF OFF Disabled ON Reload start System P900 Device address 3 255 1 255 P901 Geographical zone apartment 4 0 1 126 P902 Geographical zone room 3 1 0 1 63 P903 Heat distr zone heating coil 0 1 31 P904 Refrig distr zone cooling coil P905 Heat distr zone heating surface P910 Trans...

Страница 117: ...nput shorted 100 H C Input open d05 1 Test mode for checking the Y1 Y3 actuator s running direction 5 No signal on outputs Y1 and Y3 OPE Output Y1 forced opening CLO Output Y3 forced closing d06 1 Test mode for checking the Y2 Y4 actuator s running direction 5 No signal on outputs Y2 and Y4 OPE Output Y2 forced opening CLO Output Y4 forced closing d08 Test mode for checking the Q1 output ex P400 f...

Страница 118: ...ent the following functions Define and download the physical address Define and download the application plant type control sequence Set up and download thermostat control parameters Set up and download group addresses This document does not describe how to operate ETS and set up a device Refer to the KNX Manual 5 5 for more details ETS can be updated online ETS Note ...

Страница 119: ...Supported KNX tools ETS 5 A6V11545892_en _a 119 150 5 1 1 Setting parameters in ETS 1 Open the project in ETS and select a device 2 Click the Parameters tab and adjust the control parameters as follows ...

Страница 120: ...d other control parameters Pxx description can be downloaded For more details on control parameters see Control parameters 108 ETS version 4 or higher is used to assign communication objects to group addresses S Mode ETS version 4 or higher is used to download the application and parameters Notes ...

Страница 121: ...e in checkbox Room relative humidity The thermostat then receives the room s relative humidity from an external sensor 5 2 ACS tool The ACS tool is used to commission the RDG2 KN KNX room thermostats physical address application parameters They can be operated or monitored by bus during normal operation This section does not describe how to define the physical address and only provides a brief ove...

Страница 122: ...ol parameters can be adjusted and downloaded Line no contains the parameter number as displayed in the parameter table See Control parameters 108 Some parameters in ACS have a range different from that on the room thermostats The thermostat does not accept changes outside its range This can be seen online in that a changed value returns to the original value Use the ranges described in the paramet...

Страница 123: ...ing and operation select Applications Plant operation The ACS tool supports parameter settings even during normal operation To change a control parameter double click the parameter in Standard popcard for the settings Make sure you are logged in with sufficient access right Only control parameters can be changed not the application ACS Parameter settings in ACS Notes ...

Страница 124: ...rmostats depending on the following configuration Plant type Application configuration Application configuration 2 pipe 2 pipe fan coil unit Control sequence No impact P001 any Fan operation Enabled P350 0 Single stage with electric heater Control sequence No impact P001 any Fan operation Disabled P350 0 Chilled heated ceiling Control sequence Changeover Fan operation Disabled P350 0 Chilled ceili...

Страница 125: ...sequence No impact P001 any Fan operation Enabled P350 0 Single stage with radiator Control sequence No impact P001 any Fan operation Disabled P350 0 4 pipe 4 pipe fan coil unit Control sequence Not auto c o P001 3 Fan operation Enabled P350 0 Chilled ceiling with radiator Control sequence No impact P001 any Fan operation Disabled P350 0 4 pipe fan coil unit with PICV and 6 port control ball valve...

Страница 126: ...uence No impact P001 any Fan operation Disabled P350 0 2 pipe 2 stage fan coil unit Control sequence No impact P001 any Fan operation 2nd stage P350 4 2 pipe 2 stage Control sequence No impact P001 any Fan operation 2nd stage P350 5 4 pipe with electric heater 4 pipe fan coil unit with electric heater Control sequence Not auto c o P001 2 Fan operation Enabled P350 0 1 stage Heat and Cool with elec...

Страница 127: ...a PC or from a smart phone using the HomeControl app The start page displays the most important data points A combination of menu path navigation allows users to access all data points quickly and easily The entire installation can be visualized in the form of plant diagrams Alarm and state messages can be forwarded to different message recipients such as e mail SMS etc For details see Commissioni...

Страница 128: ...0 V AC 24 V Y1 Y4 Control outputs Valve AC 230 V or AC 24 V NO triac for normally open valves output for electric heater via external relay Y50 Control output Fan DC 0 10 V RDG260KN G G0 Operating voltage AC 24 V DC 24 V L1 Feed for relays AC 24 230 V X1 X2 Multifunctional input for temperature sensor NTC 3k or LG Ni1000 or potential free switch function can be selected via parameter U1 Same as mu...

Страница 129: ... V1 V2 V1 V2 2 pos PWM 3 pos V1 V2 V2 V1 V2 V2 3 pos 2 pos PWM V1 V1 V2 V1 V1 V2 3 pos 3 pos V1 V1 V2 V2 V1 V1 V2 V2 4 pipe with electric heater YH YC YE Terminals Y1 Y2 Y4 Y3 Y50 Q1 Q2 Q3 Y1 Y2 Y4 Y3 Control outputs 2 pos PWM 2 pos PWM 2 pos PWM V1 V2 V3 V1 V2 V3 2 pos PWM 3 pos 2 pos PWM V1 V2 V2 V3 V1 V2 V2 V3 N1 Room thermostat RDG200KN M1 1 speed or 3 speed fan DC 0 10 V fan S1 S2 S3 Switch k...

Страница 130: ...On Off V2 V1 On Off DC V1 V2 On Off On Off V1 V2 4 pipe with electric heater YH YC YE Terminals Q1 Q2 Y10 Y20 Y30 Y50 Q1 Q2 Q3 Y10 Y20 Y30 Control outputs DC DC DC V1 V2 V3 V1 V2 V3 DC DC On Off V3 V1 V2 N1 Room thermostat RDG260KN M1 1 speed or 3 speed fan DC 0 10 V fan S1 S2 S3 Switch keycard window contact presence detector etc V1 V2 V3 Valves actuators On Off or DC 0 10 V heating cooling radia...

Страница 131: ... N2 Room thermostat RDG260KN V3 6 port modulating control actuator S1 S2 S3 Switch keycard window contact presence detector etc V4 PICV control valve B1 B2 B3 Temperature sensor return air temperature external room temperature changeover sensor etc CE KNX data CE KNX data Note In application 4 pipe with 6 port ball valve as changeover and PICV Y50 can be connected with a DC 0 10 V fan ...

Страница 132: ...pe of equipment See details in Humidity 52 2 pipe fan coil application for dehumidification with temperature setpoint shifting and dehumidifier contact DC 0 10 V fan and DC valve Commissioning Outputs used Fan P351 3 or DIP6 OFF Control strategy P450 1 Setpoint high P024 50 factory setting Temp shift P461 3 K factory setting Valve P201 5 Relay function P402 7 dehumidifier M1 DC 0 10 V fan V1 DC va...

Страница 133: ... Technical data 140 for min and max ratings RDG260KN 4 pipe fan coil application for dehumidification with temperature setpoint shifting dehumidifier contact DC 0 10 V fan and On Off valves Commissioning Outputs used Fan P351 3 or DIP6 OFF Control strategy P450 1 Setpoint high P024 50 factory setting Temp shift P461 3 K factory setting Valve P201 P203 4 Relay function P402 7 dehumidifier M1 DC 0 1...

Страница 134: ...ion P401 8 Q2 hum M1 DC 0 10 V fan V1 DC valve L2 Humidifier L3 Dehumidifier Release contact See Technical data 140 for min and max ratings RDG260KN 2 pipe fan coil application for dehumidification with temperature setpoint shifting dehumidifier contact via external converter and 3 speed fan Commissioning Outputs used Fan P351 2 or DIP6 ON Control strategy P450 1 Setpoint high P024 50 factory sett...

Страница 135: ...lay Release contact See Technical data 140 for min and max ratings RDG260KN 4 pipe fan coil application pumps on during heating and cooling demand Commissioning Outputs used Fan P351 3 or DIP6 OFF Valve P201 P203 5 Relay function P401 3 heating pump Relay function P402 4 cooling pump M1 DC 0 10 V fan V1 V2 DC valve L2 Heating pump L3 Cooling pump K Relay Release contact See Technical data 140 for ...

Страница 136: ...s used Application 4 pipe Control output P201 4 On Off Fan P351 3 or DIP6 OFF Relay function Heating cooling ON in demand P401 2 Energized mode Heating P401 5 Energized mode Cooling P401 6 M1 DC 0 10 V fan V1 Reversing valve V2 Compressor K Relay Release contact See Technical data 140 for min and max ratings RDG260KN Example 3 Compressor and reversing valve ...

Страница 137: ...cation for floor heating cooling 2 stage heating cooling fan runs only in the 2nd stage Commissioning Outputs used Fan P350 4 2nd stage Valve P201 5 floor Valve P203 5 fan coil unit M1 DC 0 10 V fan V1 DC valve floor V2 DC valve fan coil units See Technical data 140 for min and max ratings RDG260KN Example 1 Fan in the 2nd stage ...

Страница 138: ...sequence 1st panel and 2nd fan coil unit Cooling sequence 1st fan coil unit and 2nd panel Commissioning Outputs used Fan P350 6 Cooling and 2nd stage heating Valve P201 5 panel Valve P203 5 fan coil unit Swap P254 1 M1 DC 0 10 V fan 2nd stage V1 DC valve panel V2 DC valve fan coil unit See Technical data 140 for min and max ratings RDG260KN Example 2 Swap and fan in the 2nd stage ...

Страница 139: ...utputs the fan only operates if output V1 is energized Commissioning Outputs used Fan P350 5 Heating and 2nd stage cooling Valve P201 2 equipment 1 Valve P203 2 equipment 2 M1 DC 0 10 V fan 2nd stage V1 On Off valve equipment 1 V2 On Off valve equipment 2 See Technical data 140 for min and max ratings RDG260KN Example 3 Swap and fan in the 2nd stage ...

Страница 140: ...resistive inductive 5 mA 5 4 A No internal fuse External preliminary protection with max C 10 A circuit breaker required for all cases Do not connect 3 speed fans in parallel Connect one fan directly one relay for each speed for additional fans Use for actuator control Q1 Q2 Q1 rating min max resistive inductive Q2 rating min max resistive inductive Max total load current Q1 Q2 Q3 5 mA 1 A 5 mA 1 ...

Страница 141: ...10 A circuit breaker required for all cases Do NOT connect 3 speed fans in parallel Connect one fan directly for additional fans one relay for each speed Use for actuator control Q1 Q2 Q1 rating min max resistive inductive Q2 rating min max resistive inductive Max total load current Q1 Q2 Q3 5 mA 1 A 5 mA 5 4 A 5 A Use for external equipment Q1 Q2 Q3 Rating min max resistive inductive Qx Max total...

Страница 142: ...0 5 6 K Cooling mode P053 1 K 0 5 6 K P band Xp Heating mode P050 2 K 0 5 6 K Cooling mode P052 1 K 0 5 6 K Setpoint setting and setpoint range Comfort mode P011 21 C 5 40 C Economy mode P019 P020 15 C 30 C OFF 5 40 C Protection mode P100 P101 8 C OFF OFF 5 40 C Multifunctional inputs X1 X2 U1 Selectable 0 25 Input X1 default value P150 1 external temperature sensor room or return air Input X2 def...

Страница 143: ...Humidity 95 r h Transport IEC 60721 3 2 Climatic conditions Class 2K3 Temperature 25 65 C Humidity 95 r h Mechanical conditions Class 2M2 Operation IEC 60721 3 3 Climatic conditions Class 3K5 Temperature 0 50 C Humidity 95 r h Standards and directives EU conformity CE A5W00120120A Electronic control type 2 B micro disconnection on operation RCM conformity A5W00120121A Safety class II as per EN 607...

Страница 144: ...r use with On Off output heaters Class I value 1 Class IV value 2 Environmental compatibility The product environmental declaration RDG200KN A5W00085404A RDG260KN A5W00116569A contains data on environmentally compatible product design and assessments RoHS compliance materials composition packaging environmental benefit disposal General Connection terminals Solid wires or stranded wires with wire e...

Страница 145: ...y knx org shop product langua ge de product_type_category books product_type handbook SyncoTM CE1P3127 Communication via KNX bus for Synco 700 900 and RXB RXL Basic documentation Desigo CM1Y9775 Desigo RXB integration S Mode CM1Y9776 Desigo RXB RXL integration individual addressing CM1Y9777 Third party integration CM1Y9778 Synco integration CM1Y9779 Working with ETS The documents can be downloaded...

Страница 146: ...Dimensions 8 146 150 A6V11545892_en _a 8 Dimensions Dimensions in mm ...

Страница 147: ...ches 78 82 Download via tool 109 E Economy cooling setpoint 34 Economy heating setpoint 34 Electric heater enable disable 92 Enable disable electric heater 60 69 92 Expert level parameters 108 External return air temperature 92 External return air temperature sensor 44 F Fan in Auto mode 90 Fan kick 89 Fan minimum on time 89 Fan operation as per heating cooling mode or disabled 89 Fan overrun 90 F...

Страница 148: ...ion 46 PWM 78 PWM for electric heater 79 R Radiator applications 71 Remote heating cooling changeover 43 Remote operation 127 Reset parameters 108 Room humidity 52 S Sensor input 92 Setpoint Comfort mode 76 Setpoint Economy mode 76 Setpoint high 52 Setpoint low 52 Setpoint priority 36 Setpoint Protection mode 76 Setpoints setting via bus 34 Setpoints and sequences 76 S Mode 94 Supply air temperatu...

Страница 149: ......

Страница 150: ...itzerland 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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