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sauter NRT407 Manual

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SAUTER ITALIA SPA
NRT407

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  • Page 1 SAUTER ITALIA SPA NRT407...
  • Page 2 The software described in this document is supplied under license by SAUTER ITALIA SPA and may be used or copied only in accordance with the terms of the license. No part of this document may be reproduced or transmitted in any form, in any fashion, electronically or mechanically, without the express, written permission of SAUTER ITALIA SPA.

  • Page 3: Table Of Contents

    Table of contents PART I INTRODUCTION ....................4 ....................5 BOUT THE MANUAL HAPTER NRT407..................6 NTRODUCTION TO HAPTER ......................8 ODELS HAPTER ....................10 ECHNICAL DATA HAPTER PART II INSTALLATION....................14 .................15 NSTALLATION PREPARATIONS HAPTER .....................17 NSTALLATION HAPTER PART III CONFIGURATION.................... 23 ....................24...

  • Page 4: Part I Introduction

    Part I Introduction CHAPTER 1 ABOUT THE MANUAL ..................5 Terms ..........................5 More information ......................5 CHAPTER 2 INTRODUCTION TO NRT407................6 ......................6 ZONE CONTROLLERS NRT 407 ..........................7 Application examples....................... 7 CHAPTER 3 MODELS ......................8 Design ..........................9 CHAPTER 4 TECHNICAL DATA....................

  • Page 5: Chapter 1 About The Manual

    More information about NRT can be found in: NRT tool Manual – Manual of how to configure the controllers • NRT Room Controllers – Brochure for the NRT series • The information is available for download on SAUTER ITALIA SPA’s homepage, www.sauteritalia.it.. NRT407 manual Part I Introduction...

  • Page 6: Chapter 2 Introduction To Nrt407

    Chapter 2 Introduction to NRT407 NRT zone controllers NRT is a wide series of room controllers which handle everything from heating, cooling and ventilation to lighting, humidity, CO monitoring and blinds. NRT can be used for creating everything from stand-alone systems for managing the functions in one room, to large, integrated systems with a comprehensive SCADA-system.

  • Page 7: Nrt 407

    • Heating/ Cooling with VAV-control and forced supply air function • Heating/Cooling with VAV-control • Cooling • Cooling/Cooling • Heating/Cooling/VAV (except NRT407F902) • Heating/Heating or Cooling via change-over (only available in NRT407F902) • Application examples NRT407 manual Part I Introduction...

  • Page 8: Chapter 3 Models

    Chapter 3 Models There are 2 different NRT407 room controllers. They can be divided according to type of control in basic models and models for fan control. F901-models Basic models control analogue actuators, thermal actuators or On/Off actuators with spring return.

  • Page 9: Design

    Design NRT407F902 NRT407F901 NRT407 manual Part I Introduction...

  • Page 10: Chapter 4 Technical Data

    This product conforms to the requirements of the EMC Directive 2004/108/EC through product standards EN 61000-6-1 and EN 61000-6-3. RoHS This product conforms to the Directive 2011/65/EU of the European Parliament and of the Council. Part I Introduction NRT407 manual...
  • Page 11 ......................... or AI2: 0…10 V ........................or DI: see DI below CI ................. Sauter condensation detector, EGH102 DI ........... Closing potential-free contact connected to +C in one end Outputs (see Table 2 below for number and function for different models) DO......................

  • Page 12: Accessories For Nrt407

    External temperature sensors................EGT456F101 Condensation detector ................EGH102F001 / F101 transmitter ...................... EGQ222F00 The accessories are available from SAUTER ITALIA SPA. For more information, see the product sheets and instructions for each product, search via www.sauteritalia.it. Part I Introduction NRT407 manual...
  • Page 13 NRT407 manual Part I Introduction...

  • Page 14: Part Ii Installation

    Part II Installation CHAPTER 5 INSTALLATION PREPARATIONS............... 15 ................15 IFFERENT VERSIONS OF TERMINALS AND PINS .......................... 15 SING LABELS ........................16 ONFIGURATION ........................... 16 ALIBRATION ........................16 ROUBLESHOOTING CHAPTER 6 INSTALLATION ....................17 ..........................17 OUNTING ..........................17 IRING Wiring for NRT407F901 ....................

  • Page 15: Chapter 5 Installation Preparations

    The label carries information on the communication address etc., and has a note area where you can enter a reference number to the connection diagram. The address on the sticker has a different meaning depending on what communication protocol is used. NRT407 manual Part II Installation...

  • Page 16: Configuration

    This means that the built-in safety functions will not be disregarded. The controllers have different indications which can be used for troubleshooting. See the section Indications. Part II Installation NRT407 manual...

  • Page 17: Chapter 6 Installation

    G (terminal 10) and G0 (terminal 11). On the communication loop the A-terminal (terminal 42) should only be connected to another A-terminal and the B-terminal (terminal 43) to another B-terminal. Otherwise, the communication will not work. NRT407 manual Part II Installation...
  • Page 18 The figure below shows the location of the terminals. The connection diagrams and tables on the following pages show the wiring for basic models and models for fan control. Figure 7. Bottom plate with terminals Part II Installation NRT407 manual...

  • Page 19: Wiring For Nrt407F901

    0…10 V control signal terminal is connected to terminal 22 and its supply terminals to terminals 10 and 11. Make sure that the reference pole G0 is connected to the correct terminal on the actuator. NRT407 manual Part II Installation...
  • Page 20 33 and 40, +C. Closed contact indicates closed window. alternatively Change-over. DI2/CI Sauter condensation detector, EGH102 (FS). The sensor is connected between terminals 33 and 41, AGnd. alternatively Window contact (DI). A potential-free contact is connected between terminals 33 and 40, +C. Closed contact indicates closed window.

  • Page 21: Wiring For Nrt407F902

    For a 24V AC actuator with spring return, max. 2.0 A. The actuator is connected between terminals 23 and 20. This can be configured either through the display or through NRT tool. The output signal for UO1 can be set to NC (normally closed) or NO (normally open). NRT407 manual Part II Installation...
  • Page 22 33 and 40, +C. Closed contact indicates closed window. alternatively Change-over. DI2/CI Sauter condensation detector, EGH102 (FS). The sensor is connected between terminals 33 and 41, AGnd. alternatively Window contact (DI). A potential-free contact is connected between terminals 33 and 40, +C. Closed contact indicates closed window.

  • Page 23: Part Iii Configuration

    ONDENSATION DETECTOR ........................45 ROST PROTECTION ..................45 OW ROOM TEMPERATURE ALARM CHAPTER 13 INDICATIONS ....................46 CHAPTER 14 DISPLAY HANDLING ..................47 .........................47 ISPLAY INDICATIONS ........................48 ARAMETER MENU CHAPTER 15 MEMORY FUNCTION ON POWER FAILURE ............ 53 NRT407 manual Part III Configuration...

  • Page 24: Chapter 7 Control Modes

    The first output (UO1) works between 0...48 % of the control signal. When the control signal reaches 52 %, UO2 starts to operate and will be 10 V when the control signal is 100 %. See the figure below: Part III Configuration NRT407 manual...
  • Page 25 Like control mode Heating/Cooling but the cooling output is controlling a supply air damper (sub-tempered supply air). When the ventilation is forced (See Chapter 12, Special functions ), the cooling output is set to full cooling (full supply air volume), regardless of what the controller output signal is. NRT407 manual Part III Configuration...
  • Page 26 This control mode offers the possibility to control three analogue outputs: heating, cooling and VAV. When the controller is in cooling mode, the control signal is split between cooling and VAV (this control mode is only available in …C3 models, except RC-C3DFOC), see figure below: Part III Configuration NRT407 manual...
  • Page 27 (see figure below). The variable for the min. limit of the VAV-damper is the same as for the VAV-damper in the VAV control applications on Y2. Default is 20 % min. limit. NRT407 manual Part III Configuration...
  • Page 28 UO2 is 0…100 % linear to the heating demand 0…48 % and UO1 0…100 % to the heating demand 52…100 %. When the heating demand is 48…52 % UO2 will always output 100 % and UO1 0 %. Part III Configuration NRT407 manual...

  • Page 29: Additional Features

    Standby. If the operating mode is Unoccupied or Off, the damper will be closed (0 V on the analogue output). See table below: Operating mode Min. limit VAV output (Y2) Bypass 20 % Occupied 20 % Standby 20 % Unoccupied 20 % 20 % NRT407 manual Part III Configuration...
  • Page 30 The controller will remain in forced ventilation throughout the set Bypass time (FS=2h). Three different alternatives can be selected for setting the function forced ventilation: Not active (FS) • Forced ventilation at 100% heating or cooling output • Forced ventilation at 100% cooling output • Part III Configuration NRT407 manual...
  • Page 31 10 V is set, and the flow is then calculated linearly between these two end points. To configure the flow calculation, Parameter 81 has the additional option 8, “Flow calculation”. The calculated flow value may be shown in the display by setting parameter 42 to option 9. NRT407 manual Part III Configuration...

  • Page 32: Chapter 8 Operating Modes

    19°C and 27°C. The setpoints can also be adjusted +/- 3°C via the setpoint knob or the display. For controllers with display the background lighting is lit (dimmed). STANDBY and the current room temperature (or setpoint depending on the configuration) are shown in the display. Part III Configuration NRT407 manual...
  • Page 33 ). The current room temperature (or setpoint depending on the configuration) is shown in the display. Depending on the settings and input values, the controller will be set to different control modes using different setpoint values: NRT407 manual Part III Configuration...

  • Page 34: Activation Of The Different Operating Modes

    Bypass mode, the controller will change to Shutdown. If the Occupancy button is pressed in Shutdown mode, the controller will switch to Bypass. After a configurable period of time in Bypass (FS=2 hours), the controller will return to the preset operating mode. Part III Configuration NRT407 manual...
  • Page 35 0 and 60 minutes (FS=0 min). In Bypass on presence, there is a switch-off timer, which means that if there is no occupancy indication during this time (FS=10 min), the controller will return to the preset operating mode. NRT407 manual Part III Configuration...
  • Page 36 Occupancy button, i. e. you can change its operating mode to Off/Unoccupied (Shutdown) or Bypass. Command ”Shutdown” Command Bypass Off/Unoccupied Bypass Central commands should be regarded as events and can be changed locally via the Occupancy button. Part III Configuration NRT407 manual...

  • Page 37: Chapter 9 Setpoint Calculation

    In operating modes Occupied and Bypass the unit controls according to the basic heating setpoint or the basic cooling setpoint. The setpoint can also be adjusted via the setpoint knob or display. The setpoint change takes place halfway between the setpoints with a hysteresis of 0.1°C. NRT407 manual Part III Configuration...
  • Page 38 3 = The sum of the cooling setpoint and the adjustment is shown in the display. The adjustment is added to both the heating and cooling setpoints. Part III Configuration NRT407 manual...

  • Page 39: Chapter 10 Actuators

    A hysteresis is used when the outputs are On or Off. In heating mode, the temperature will be permitted to fall below the setpoint, minus the hysteresis, before the actuator opens. The actuator will then remain open until the temperature rises above the setpoint. NRT407 manual Part III Configuration...
  • Page 40 Then a closing signal corresponding to the length of the run time is sent and the exercise is finished. On units with a display, the exercise can be inactivated by setting parameters 36 and 37 to zero (0). Part III Configuration NRT407 manual...

  • Page 41: Chapter 11 Fan Control

    If the temperature is not within the set temperature limits, the fan will be started in the corresponding Auto position, regardless of the settings. NRT407 manual Part III Configuration...
  • Page 42 EC fan control NRT407 offer an added function for the control of EC fans. When this function is active, Y3 will follow Y1 and Y2, respectively. As for …F models with fan control, it is possible to select whether the fan will run in Heating or Cooling, or in both Heating and Cooling.
  • Page 43 This takes place in the same way as for other …F models. When the fan button is depressed, it will step through the configured fan levels: NRT407 manual Part III Configuration...

  • Page 44: Chapter 12 Special Functions

    24 V digital output (parameter 22). Condensation detector Special input CI There is a special input (CI) on all NRT controllers. This input is intended for Sauter condensation detector, EGH102, and functions internally as a digital input, i. e. condensation or no condensation.

  • Page 45: Frost Protection

    There is no advanced alarm handling, incorporating blocking or acknowledging or so forth. There is only an indication for faulty temperatures. All other alarm and alarm handling functions must be handled by a supervisory system. NRT407 manual Part III Configuration...

  • Page 46: Chapter 13 Indications

    Chapter 13 Indications Part III Configuration NRT407 manual...

  • Page 47: Chapter 14 Display Handling

    COOL/HEAT: Shows if the unit controls according to the heating or cooling setpoint STANDBY: Standby indication SERVICE: Is shown when parameters are set, flashes when there is something wrong with the controller Figure 12. Indications in the display NRT407 manual Part III Configuration...

  • Page 48: Parameter Menu

    Time in Bypass mode 120 min Disconnect timer with Occupancy/Unoccupancy 10 min Switch-on delay for Occupancy 0 min State connected sensor on AI1: 0=Internal sensor 1=External room sensor 2=Change-over sensor (NRT407F901 / F902) Part III Configuration NRT407 manual...
  • Page 49 Time in hours between exercise of heating actuators Time in hours between exercise of cooling actuators Hysteresis for on/off actuators and heating Hysteresis for on/off actuators and cooling Minimum limit for the heat output 20 % NRT407 manual Part III Configuration...
  • Page 50 State NO/NC digital input 1: 0=NO (Normally open) 1=NC (Normally closed) State NO/NC digital input 2: 0=NO (Normally open) 1=NC (Normally closed) State NO/NC universal input 1: 0=NO (Normally open) 1=NC (Normally closed) Manual/Auto Heating output: 0=Off 1=Manual 2=Auto Part III Configuration NRT407 manual...
  • Page 51 Flow at 0 V input in AI2 0 l/s Flow at 10 V input in AI2 100 l/s Minimum runtime when calculating for change over 600s Alarm limit for high room temperature 40°C Alarm limit for low room temperature 15°C NRT407 manual Part III Configuration...
  • Page 52 Max limit for EC fan (%) 100 % Model Factory set (read only) Version Major Factory set (read only) Version Minor Factory set (read only) Version Branch Factory set (read only) Revision Factory set (read only) Table 7. Parameter list Part III Configuration NRT407 manual...

  • Page 53: Chapter 15 Memory Function On Power Failure

    Activation of Bypass is not stored in the memory. Instead, the controller will return to the preset operating mode after power failure. However, the set operating mode will be saved if central control is being used (parameter 47). NRT407 manual Part III Configuration...

  • Page 55: Part Iv Signals

    Part IV Signals CHAPTER 16 MODBUS SIGNAL TYPES................56 CHAPTER 17 MODBUS SIGNALS ..................58 ........................58 ISCRETE INPUTS .......................59 OIL STATUS REGISTER ........................59 NPUT REGISTER ........................61 OLDING REGISTER CHAPTER 18 BACNET SIGNAL TYPES.................. 68 CHAPTER 19 BACNET SIGNALS ..................69 ........................69 NALOGUE INPUTS ........................69...

  • Page 56: Chapter 16 Modbus Signal Types

    B on the RS485 unit. Which goes where is something you most often need to find out by trial and error. Incorrect polarity will just give nonfunction but cannot harm either unit. Tx+ -----|---------------------------------------- A (or B) Rx+ -----| Tx- -----|---------------------------------------- B (or A) Part IV Signals NRT407 manual...
  • Page 57 If odd or even is chosen, only one stop-bit is used, or there will be too many bits altogether: 1 start-bit, 8 data-bits, 1 parity-bit and 1 stop-bit give a total of 11 bits which is the maximum amount. NRT407 manual Part IV Signals...

  • Page 58: Chapter 17 Modbus Signals

    Not used in this model RC_Actual_L.NRTDigOut3 Value of universal digital output 3 RC_Actual_L.NRTPresence Indicate presence RC_Actual_L.NRTRoomTempHighTempAlarm Indicate high room temperature alarm RC_Actual_L.NRTRoomTempLowTempAlarm Indicate low room temperature alarm RC_Actual_L.NRTDICO2 Indicate high CO level Part IV Signals NRT407 manual...

  • Page 59: Coil Status Register

    1=Reset (returns to 0) Input register Signal name Type Modbus address Description RC_Actual_X.NRTSoftware X, 4 Model RC_Actual_X.NRTVerMajor X, 4 Version Major RC_Actual_X.NRTVerMinor X, 4 Version Minor RC_Actual_X.NRTVerBranch X, 4 Version Branch RC_Actual_X.NRTRevision X, 4 Revision NRT407 manual Part IV Signals...
  • Page 60 Value of universal analogue output 3 RC_Actual_R.NRTRoomCO2 R, 4 input value (ppm) Not used in this model R, 4 RC_Actual_R.NRTVoltInput R, 4 Value of 0…10 V DC input at AI2 RC_Actual_R.NRTRoomFlow R, 4 Value of Room Air Flow at AI2 Part IV Signals NRT407 manual...

  • Page 61: Holding Register

    Manual/Auto control of change- over mode: 0=Heat control 1=Cool control 2=Automatic change over depending on analogue sensor input or digital input RC_Setp_X.NRTRemoteState X, 3 Select operating mode for central control: 0=Off 1=Unoccupied 2=Stand-by 3=Occupied 5=No central control NRT407 manual Part IV Signals...
  • Page 62 X, 3 Time in hours between exercise of cooling actuators Not used in this model X, 3 RC_Setp_X.NRTAi1 X, 3 State connected sensor on AI1: 0=Internal sensor 1=External room sensor 2=Change over sensor (NRT407F901 / F902) Part IV Signals NRT407 manual...
  • Page 63 4=Forced ventilation models), 9= Cool valve increase (only used for F902) 9 (-T- models) RC_Setp_X.NRTDo5 X, 3 10 (-T- 10=Cool valve decrease models) (only used for -T- models) Not used in this model X, 3 40-41 NRT407 manual Part IV Signals...
  • Page 64 5=CO -concentration in the room in ppm (NRT407F901 / F902) 6=Heating setpoint +setpoint offset 7=Cooling setpoint+setpoint offset 8=Average of heating and cooling setpoint+setpoint offset 9=The calculated flow in the duct in l/s (NRT407F901 / F902) Part IV Signals NRT407 manual...
  • Page 65 RC_Setp_I.NRTCVCoolRunTim I, 3 120 s Run time for cooling actuators with increase/decrease actuators Not used in this model X, 3 63-67 RC_Setp_R.NRTOccSetPHeat R, 3 22°C Basic Heating setpoint RC_Setp_R.NRTOccSetPCool R, 3 24°C Basic Cooling setpoint NRT407 manual Part IV Signals...
  • Page 66 RC_Setp_R.NRTHeatOutputManual R, 3 Heating output in manual mode RC_Setp_R.NRTCoolOutputManual R, 3 Cooling output in manual mode RC_Setp_R.NRTRoomTempRemote R, 3 -255 Room temp set by remote control if external room sensor is configured (-255 = disabled) Part IV Signals NRT407 manual...
  • Page 67 R, 3 Min. limit for the heat output RC_SetpExt_R.NRTMinECFanSpeed R, 3 10 % Min. limit for EC fan (%) (NRT407F901 / F902) RC_SetpExt_R.NRTMaxECFanSpeed R, 3 100 % Max. limit for EC fan (%) (NRT407F901 / F902) NRT407 manual Part IV Signals...

  • Page 68: Bac Net Signal Types

    Loop • Multistate inputs • Multistate values • Device • Out_of_service The property out_of_service is not writable for all Object Types. Commandable The value objects are not commandable (i.e. does not use a priority array). Part IV Signals NRT407 manual...

  • Page 69: Bac Net Signals

    Room cool setpoint in unoccupied mode Analog value, 11 °C RC_Setp_R.NRTFrostSetP Frost protection setpoint Analog value, 12 °C RC_Setp_R.NRTSetPOffset Setpoint adjustment Analog value, 13 RC_Setp_R.NRTHeatOutputManual Manual value heating output Analog value, 14 RC_Setp_R.NRTCoolOutputManual Manual value cooling output NRT407 manual Part IV Signals...

  • Page 70: Binary Inputs

    Binary input, 4 ACTIVE/ RC_Actual_L.NRTRoomTempHighTempAlarm Room high temperature INACTIVE alarm Binary input, 5 ACTIVE/ RC_Actual_L.NRTRoomTempLowTempAlarm Room low temperature INACTIVE alarm Binary input, 6 level ACTIVE/ RC_Actual_L.NRTDICO2 Indicates high CO INACTIVE All binary inputs have normal polarity. Part IV Signals NRT407 manual...

  • Page 71: Binary Values

    The NRT Regulator Multistate inputs Object name Object-ID Description Values Writable Multistate 1=OFF RC_Actual_X.NRTFanSwitch Fan switch state input, 0 2=LOW 3=MEDIUM 4=HIGH 5=AUTO Multistate 1=Off RC_Actual_X.NRTUnitState Current unit state input, 1 2=Unoccupied 3=Stand-by 4=Occupied 5=Bypass NRT407 manual Part IV Signals...

  • Page 72: Multistate Values

    3=Stand-by 4=Occupied 6=No remote control Device The device object contains two writable properties; Description and Location. Description can be 17 characters long, and Location can be 33 characters long, if using single byte character encoding. Part IV Signals NRT407 manual...
  • Page 73 NRT407 manual Part IV Signals...

  • Page 74: Index

    Index About the manual 5 Exercise 49 More information 5 Terms 5 Activation of the different operating modes 43 Actuators 48 Fan control 50 Analogue actuators 48 Auto control 50 Exercise 49 Fan stopped 50 On/Off spring return actuators 48 Manual control 50 Thermal actuators 48 Three-point actuators 48...
  • Page 75 Calculation of the active setpoint 46 Setpoint displacement 46 Occupancy button 45, 55 Setpoint displacement 46 Occupancy detector 44, 45 Special functions 53 Occupied 42 Special input CI 53 Occupied/Bypass 46 Split output signal 35 Off 41, 46 Stand-by 41, 46 On/Off spring return actuators 48 SW1-7 15 Operating modes 41...
  • Page 76 SAUTER - your local partner. www.sauteritalia.it...

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