Ekinex EK-ES2-TP Applications Manual

Air quality multisensor and regulator

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Application manual
Air quality multisensor
and regulator
EK-ES2-TP
EK-ES2-TP-R

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Summary of Contents for Ekinex EK-ES2-TP

  • Page 1 Application manual Air quality multisensor and regulator EK-ES2-TP EK-ES2-TP-R...
  • Page 2 Application manual Air quality multisensor and regulator EK-ES2-TP Release 1.0 - Updated: 14/02/2020 Application Manual © EKINEX S.p.A. - All rights reserved Page 2...
  • Page 3 Application manual Air quality multisensor and regulator EK-ES2-TP Index Foreword ................................7 1 General information ............................7 Function ..............................7 Main functional features ......................... 7 Technical data ............................8 Design ..............................8 Delivery ..............................9 Accessories ............................9 Marks and certification ......................... 10 2 Installation ..............................
  • Page 4 Application manual Air quality multisensor and regulator EK-ES2-TP 7.6.1 Parameters ........................... 34 Temperature control ..........................35 7.7.1 Settings ............................35 7.7.1.1 Parameter and communication object tables ............35 7.7.1.2 Heating/cooling switchover ..................38 7.7.1.3 Valve protection function ................... 39 7.7.1.4 Remote Setpoint modification ...................
  • Page 5 Application manual Air quality multisensor and regulator EK-ES2-TP 7.12.3.1 Parameter and communication object tables ............77 7.13 Logic functions ............................. 79 7.13.1 Parameter and communication object tables ................79 8 List of communication objects ........................81 9 Control algorithms ............................85 Two-point control with hysteresis ......................
  • Page 6 Date First version G. Schiochet 14/02/2020 The latest revision of the application manual is available at www.ekinex.com. For previous revisions, contact the technical support at support@ekinex.com. Release 1.0 - Updated: 14/02/2020 Application Manual © EKINEX S.p.A. - All rights reserved...
  • Page 7: General Information

    Application manual Air quality multisensor and regulator EK-ES2-TP Foreword The present document describes the ekinex ® KNX air quality multisensor and regulator, for the measurement of temperature, relative humidity (R.H.) TVOC (Total Volatile Organic Compounds) and CO equivalent concentration, versions EK-ES2-TP….
  • Page 8: Technical Data

    Application manual Air quality multisensor and regulator EK-ES2-TP  Two-point (ON/OFF) or proportional (PWM or continuous) room temperature regulation;  Seasonal modes: heating and cooling with possibility of either local or via bus seasonal changeover;  Operating modes: comfort, standby, economy and building protection with different setpoint for heating and cooling functions;...
  • Page 9 The delivery includes the metallic support for mounting on the round 60 mm (EK-ES2-TP…) or the rectangular 83,5 mm (EK-ES2-TP-R…) wall box, the screws (2 pairs), a plastic adapter and the terminal block for the connection of the bus. The plate and the frame (if present) must be ordered separately. For further information please refer to ekinex product catalog or visit www.ekinex.com.
  • Page 10 Table 1 - Accessories of the device: set of rockers and frames 1.7 Marks and certification The KNX mark on the ekinex device ensures interoperability with the KNX devices of EKINEX and other manufacturers installed on the same system bus system. The compliance with the applicable European directives is indicated by the presence of the CE mark.
  • Page 11: Installation

    Application manual Air quality multisensor and regulator EK-ES2-TP 2 Installation The device has degree of protection IP20, and is therefore suitable for use in dry interior rooms. The installation of the device requires the following steps: a) fix the metallic support with the screws supplied on a wall box with suitable fixing holes. It is recommended to install the device at a height of 150 cm;...
  • Page 12: Configuration And Commissioning

    The configuration and commissioning are carried out with the ETS (Engineering Tool Software) tool and the ekinex ® application program provided free of charge by EKINEX; you do not need any additional software or plug-in tool. For further information on ETS see also www.knx.org. 3.1 Configuration The device functionality is defined by the settings done via software.
  • Page 13 Application manual Air quality multisensor and regulator EK-ES2-TP Tree structure of the application program 3.1.1 At its opening, the tree structure of the program includes the following main items: About EK-ES2-TP General Internal sensors Temperature sensor Relative humidity sensor CO2 sensor...
  • Page 14 Application manual Air quality multisensor and regulator EK-ES2-TP 3.2 Commissioning For commissioning purposes, as shown in Picture 4, the device is provided on the front side (in the area usually occupied by the rocker) of the following elements: • a red LED (1) for indication of the active operating mode (LED on = programming, LED off = normal operation);...
  • Page 15: User Interface

    Application manual Air quality multisensor and regulator EK-ES2-TP 4 User interface The user interface of the room temperature controller includes 8 LED with lightpipes for signalling purposes. They are installed at both sides of the device and aim to show the relative humidity and CO equivalent working thresholds, and the heating/cooling seasonal modes.
  • Page 16: Temperature Sensor

    ± 5 K or, preferably, can be used a weighted average value between two values of temperature chosen from the following ones: value measured by the integrated sensor, value measured by a temperature sensor connected to one of the inputs of the device, value received via bus from any KNX device (e.g., ekinex pushbuttons).
  • Page 17: Input Variables

    Application manual Air quality multisensor and regulator EK-ES2-TP 6 Input variables The data that the device usesin its control algorithms and /or to be displayed may come from: • the internal sensors; • the KNX bus through standard Communication Objects.
  • Page 18: Application Program For Ets

    Application manual Air quality multisensor and regulator EK-ES2-TP 7 Application program for ETS In the following chapters, the list of folders, parameters and communication objects of the application program is reported. Some specific functions of the thermostat are described in more detail in the dedicated paragraphs.
  • Page 19 Application manual Air quality multisensor and regulator EK-ES2-TP 7.1 About EK-ES2-TP The folder About EK-ES2-TP is for information purposes only and does not contain parameters to be set. The information given © Copyright EKINEX S.p.A. 2019 Application software for ETS4 & ETS5 Version 1.00 (or later)
  • Page 20: Internal Sensors

    Application manual Air quality multisensor and regulator EK-ES2-TP 7.3 Internal sensors The Internal sensors folder includes the following parameters:  Temperature sensor enabling  Relative Humidity sensor enabling  equivalent sensor enabling  TVOC sensor enabling Temperature sensor 7.3.1 The Temperature sensor folder contains the following parameter: ...
  • Page 21 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values Temperature sensor = enabled, Behaviour at lock Threshold 1 = below or above none / off / on Threshold lock enable = yes Temperature sensor = enabled, Threshold 1 = below or above...
  • Page 22 Application manual Air quality multisensor and regulator EK-ES2-TP Comm. Object name Conditions Dim. Flags Obj. No. Temperature sensor = enabled, Temperature threshold 1 – Value Threshold 1 = below or above [9.001] 2 bytes C-W-- (from bus) temperature (°C) Threshold value update from bus =...
  • Page 23 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values Relative humidity sensor = medium Filter type enabled high Low = average value every 4 measurements Medium = average value every 16 measurements High = average value every 64 measurements...
  • Page 24 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values Relative humidity sensor = no / yes Threshold lock enable enabled, Threshold 2 = below or above Relative humidity sensor = enabled, Behaviour at lock none / off / on...
  • Page 25 Application manual Air quality multisensor and regulator EK-ES2-TP Comm. Object name Conditions Dim. Flags Obj. No. Relative humidity sensor = Humidity threshold 2 - Switch 1 bit CR-T- [1.001] switch enabled, Threshold 2 = below or above Relative humidity sensor =...
  • Page 26 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter and communication objects tables 7.3.3.1 Parameter name Conditions Values enabled sensor disabled The CO sensor is enabled as default. medium Filter type sensor = enabled high Low = average value every 4 measurements...
  • Page 27 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter and communication objects tables 7.3.4.1 Parameter name Conditions Values enabled TVOC sensor disabled The TVOC sensor is enabled as default. medium Filter type TVOC sensor = enabled high Low = average value every 4 measurements...
  • Page 28: External Sensors (From Bus)

    Application manual Air quality multisensor and regulator EK-ES2-TP 7.4 External sensors (from bus) As “external sensors” are intended KNX-devices (or conventional sensors interfaced to the bus through KNX devices) which send states or values to the Multisensor controller via the bus. Enabling an external sensor, without connecting the corresponding communication object, generates a permanent alarm on the display and suspends the thermoregulation function.
  • Page 29 Application manual Air quality multisensor and regulator EK-ES2-TP Internal sensors  CO sensor = disabled / enabled Indoor CO disabled It enables a CO equivalent bus sensor. no reading [other values in the range 30 s … 120 Cyclic reading interval...
  • Page 30 Application manual Air quality multisensor and regulator EK-ES2-TP no reading [other values in the range 30 s … 120 Cyclic reading interval Anticondensation = enabled min] Window contact 1 disabled / enabled It enables a bus sensor for detecting the state of opening / closing of a window or a door.
  • Page 31 Application manual Air quality multisensor and regulator EK-ES2-TP Comm. Obj. Object name Conditions Dim. Flags [9.001] temperature Room temperature (from bus) enabled 2 bytes C-WTU (°C) Relative humidity sensor = [9.007] enabled, Humidity (2 bytes, from bus) 2 bytes C-WTU...
  • Page 32 Application manual Air quality multisensor and regulator EK-ES2-TP About sensor timeout The internal control system of the thermostat cyclically monitors the updating status of the values of the external sensors (from bus) and the inputs when the timeout setting expires. In case no updated value has been received, the regulation function is suspended, an alarm is displayed on the display through the symbol and the corresponding alarm code (see also the list of alarms in the Diagnostics paragraph).
  • Page 33 The device allows the acquisition of the room temperature in two ways: 1) from the temperature sensor integrated in the device; 2) via bus from another KNX device, e.g. from an ekinex pushbutton (External sensors (from bus)  room temperature = enabled);...
  • Page 34 Application manual Air quality multisensor and regulator EK-ES2-TP 7.6 LED The LED folder allows to set the following parameters:  LEDs intensity from bus  LED L1 and L2 (temperature control)  LED L3 and L4 (humidity control)  LED L5 and L6 (CO control) ...
  • Page 35: Temperature Control

    Application manual Air quality multisensor and regulator EK-ES2-TP 7.7 Temperature control The Temperature control folder includes the following secondary folders:  Settings  Heating  Cooling  Ventilation The Cooling and Ventilation secondary folders appear only if in the Settings folder the parameter “Thermostat...
  • Page 36 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values continuous / Thermostat function = both heating and cooling PWM (pulse width modulation) / Control type Command Communication Object 2-points hysteresis / = unique 6-way valve It allows to configure the temperature control type.
  • Page 37 Application manual Air quality multisensor and regulator EK-ES2-TP Comm. Object name Conditions Dim. Flags Obj. Setpoint type = Manual setpoint 2 bytes C-W-- [9.001] temperature (°C) absolute or relative Heating/cooling status out Always visible 1 bit CR-T- [1.100] heating/cooling The communication object is updated on the bus on event of change internally elaborated by the controller.
  • Page 38 Application manual Air quality multisensor and regulator EK-ES2-TP • radiators; • electric heaters; • fancoils; • radiant panels; • dehumidification units; • radiant panels + radiators (as auxiliary system); • radiant panels + fancoils (as auxiliary system); • radiant panels + dehumidification units.
  • Page 39 Application manual Air quality multisensor and regulator EK-ES2-TP device is able to control the “slave” devices with time-scheduled programs, extending their functionality to that of a chronothermostat (centrally controlled by the supervising device). The communication objects indicated in the block diagram allows monitoring and modifying the current conduction mode forced on the temperature controller.
  • Page 40 Application manual Air quality multisensor and regulator EK-ES2-TP Those objects are about the Setpoint forced modification: alternatively, the supervisor can act directly on the operating mode setpoints (C.O. with index from 46 to 53). The value of the C.O. 43 - Actual setpoint represents the current operative setpoint which the control algorithms are based on.
  • Page 41 Application manual Air quality multisensor and regulator EK-ES2-TP Heating 7.7.2 The Heating folder includes the following parameters:  Comfort temp. setpoint [°C]  Standby temperature setpoint [°C]  Economy temp. setpoint [°C]  Building protection temp. setpoint [°C]  Heating type ...
  • Page 42 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values Economy temp. setpoint [°C] Setpoint type = absolute or relative [range 10 … 50] For a correct operation of the device the economy temperature setpoint has to be <...
  • Page 43 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values Signal Control type = 6-way valve not inverted / inverted 15 min PWM cycle time Control type = PWM [range 5 … 240 min] Min. change of value to send [%] Control type = continuous or 6-way valve [range 0 …...
  • Page 44 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values  Command Communication Object = unique  Heating type = floor radiant panels or ceiling radiant panels disabled / enabled Ventilation for auxiliary heating  Command Communication Object = separated ...
  • Page 45 Application manual Air quality multisensor and regulator EK-ES2-TP Comm. Object name Conditions Dim. Flags Obj. Command Heating and cooling out communication object = 1 byte CR-T- [5.001] percentage (0..100%) command unique, Control type = continuous Command communication object = Auxiliary heating out command...
  • Page 46 Application manual Air quality multisensor and regulator EK-ES2-TP Cooling 7.7.3 The Cooling folder includes the following parameters:  Comfort temp. setpoint [°C]  Standby temperature setpoint [°C]  Economy temp. setpoint [°C]  Building protection temp. setpoint [°C]  Cooling type ...
  • Page 47 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values fancoils Cooling type floor radiant panels ceiling radiant panels If in Settings the parameter Thermostat function = both heating and cooling and Command communication object = unique, the parameter Cooling type is bound to the selection done for Heating.
  • Page 48 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values Cooling type = floor radiant panels or ceiling radiant panels, Anticondensation with probe disabled / enabled External sensors (from bus)  Anticondensation = enabled Cooling type = floor radiant panels or ceiling radiant panels, Internal sensors ...
  • Page 49 Application manual Air quality multisensor and regulator EK-ES2-TP Comm. Object name Conditions Dim. Flags Obj. Setpoint type = Comfort setpoint (cooling) 2 bytes CRWTU [9.001] temperature (°C) absolute or relative Setpoint type = Standby setpoint (cooling) 2 bytes CRWTU [9.001] temperature (°C)
  • Page 50 Application manual Air quality multisensor and regulator EK-ES2-TP necessary to provide additional safety measures to prevent or restrict the accidental formation of condensation on cold surfaces. From a general point of view, the anticondensation protection function can be realized: ...
  • Page 51 Application manual Air quality multisensor and regulator EK-ES2-TP The actuator compares this value with the flow temperature and, if necessary, modifies the mixing conditions in order to prevent the risk for condensation formation. The proper anticondensation protection mode needs to be evaluated during the thermical plant design and depends on many factors such as type of building, continuity of service and desired comfort level, available KNX devices, and so on.
  • Page 52 Application manual Air quality multisensor and regulator EK-ES2-TP Main and auxiliary ventilation 7.7.4 The Ventilation folder includes the following parameters:  Ventilation function  Control type  Threshold first speed [0,1 K]  Threshold second speed [0,1 K]  Threshold third speed [0,1 K] ...
  • Page 53 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values Threshold third speed [0,1 K] Control type = 3 speeds [range 0 … 255] The value is represented in tenths of Kelvin degrees. If the parameter Thermostat function = both heating and cooling, the threshold value is valid for both seasonal modes.
  • Page 54 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values not inverted Disable ventilation from bus = Signal from bus inverted [other values in the range 10 s … Fan start delay 12 min] This parameter is also available if the hot-start function is active (through measuring of the conveying fluid temperature at the battery for the thermal exchange).
  • Page 55 Application manual Air quality multisensor and regulator EK-ES2-TP Delayed fan start (“hot-start”) 7.7.4.2 This function is used in case the fan forces in the room air passing through a heat exchange coil (as in the case of the terminals to the fan-coil). In the heating mode of operation, to avoid possible discomfort caused by the dispatch of cold air in the room, the room temperature controller does not start the fan until the fluid has not reached a sufficiently high temperature.
  • Page 56 Application manual Air quality multisensor and regulator EK-ES2-TP  a radiator system that has a fan-coil as auxiliary stage for heating; the same fan coil unit functions as main stage for cooling. In these cases with the configuration adopted, the following steps are necessary: 1.
  • Page 57 Application manual Air quality multisensor and regulator EK-ES2-TP If Control Type parameter in Ventilation folder is = 1, 2 or 3 speeds, C.O.s with DPT [5.010 counter pulses] accept the following values:  = 0: OFF  = 1: speed 1 ...
  • Page 58 Application manual Air quality multisensor and regulator EK-ES2-TP 7.8 Relative humidity control The Relative humidity control folder includes the following secondary folders:  Dehumidification  Humidification  Calculated psychrometric values The secondary folders Dehumidification, Humidification and Calculated psychrometric values appear only if a humidity sensor is enabled, either internal or external (from bus).
  • Page 59 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values 0,8 % Dehumidification function ≠ disabled Humidity hysteresis [other values in the range 0,5 … 4%] no sending Dehumidification function ≠ disabled [other values in the range 30 s … 120...
  • Page 60 Application manual Air quality multisensor and regulator EK-ES2-TP Comm. Obj. Object name Conditions Dim. Flags Relative humidity control  dehumidification  dehumidification function = cooling only Temperature control  Settings  Thermostat function = both heating and cooling, Temperature control  cooling ...
  • Page 61 Application manual Air quality multisensor and regulator EK-ES2-TP Humidification 7.8.2 The secondary folder Humidification includes the following parameters:  Operating modes where humidification is active  Relative humidity setpoint for humidification control [%]  Dehumidification control hysteresis [%]  Cyclic sending interval ...
  • Page 62 Application manual Air quality multisensor and regulator EK-ES2-TP Calculated psychrometric values 7.8.3 The secondary folder Calculated psychrometric values includes the following parameters:  Dew-point temperature  Cyclic sending interval  Min. change of value to send [K]  Disable from bus Parameter and communication object tables 7.8.3.1...
  • Page 63 Application manual Air quality multisensor and regulator EK-ES2-TP 7.9 CO control The CO control folder allows to configure the parameters for the air quality functions management. It includes the following secondary folders:  Thresholds  Ventilation Conditions: Internal sensors  CO sensor ...
  • Page 64 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values alarm function 1000 Threshold value alarm function = enabled [range 0 … 10000 ppm] Max threshold alarm function = enabled [range 0…100%] no sending [other values in the range 30 s … 120...
  • Page 65 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values no sending Threshold x – cyclic sending interval Type ≠ not active [other values in the 30 s … 120 min range] x = 1, 2, 3 Threshold x – Lock enable Type ≠...
  • Page 66 Application manual Air quality multisensor and regulator EK-ES2-TP 7.10 TVOC control The TVOC control folder allows to configure the parameters for the air quality functions management. It includes the following secondary folders:  Thresholds Condition: Internal sensors  TVOC sensor  TVOC control = enabled.
  • Page 67 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values 1 bit value / TVOC Threshold x – Communication object Type ≠ not active 1 byte unsigned value / dimension 1 byte percentage x = 1, 2, 3...
  • Page 68 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values Communication object dimension = 1 byte percentage TVOC Threshold x – percentage [range 0… 100 %] Lock enable = yes Behaviour at lock = send value x = 1, 2, 3 previous state / TVOC Threshold x –...
  • Page 69 Application manual Air quality multisensor and regulator EK-ES2-TP 7.11 Ventilation The secondary folder Ventilation control – Settings is the same for both CO equivalente and TVOC concentration. It includes the following parameters:  Communication object dimension;  Min. change of value to send [%];...
  • Page 70 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values and/or TVOC ventilation = enabled Value < threshold 1 – bit x off / on Communication object dimension = 4 single bit values x = 1, 2, 3, 4...
  • Page 71 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values and/or TVOC ventilation = enabled Threshold 2 < Value < threshold 3 [range 0… 100 %] Communication object dimension = 1 byte percentage and/or TVOC ventilation = enabled Value >...
  • Page 72 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values TVOC ventilation = enabled Communication object dimension = TVOC - Min. output [%] [range 0… 100 %] 1 byte percentage (continuous speed) TVOC ventilation = enabled 100 % Communication object dimension = TVOC - Max.
  • Page 73 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values 2 min Time scheduled ventilation = Time interval (other values in the 30 s … 5 min range) enabled Comm. Object name Conditions Dim. Flags Obj. No. Ventilation control  Settings...
  • Page 74 Application manual Air quality multisensor and regulator EK-ES2-TP value deviated by the stagnation of the same air around the sensor. Ventilation is switched on for a few minutes, in order to let the sensor read a new (correct) value. The parameters are: ...
  • Page 75 Application manual Air quality multisensor and regulator EK-ES2-TP 7.12 Energy saving In order to realize energy-saving functions, window contacts (to detect the opening of windows or doors), presence and movement sensors and card holders can be used. The Energy saving folder includes the following secondary folders: ...
  • Page 76 For this function external sensors (from bus) can be used, such as the ekinex EK-SM2-TP movement sensor or the ekinex EK-DX2-TP (X = B, C, D, E) presence sensor. The following condition has to be true: External sensors (from bus)  Presence sensor 1 and/or Presence sensor 2 = enabled 7.12.2.1 Parameter and communication object tables...
  • Page 77 Application manual Air quality multisensor and regulator EK-ES2-TP 7.12.3 Card holder The Card holder secondary folder appears only if the corresponding sensor is enabled, i.e. if the following condition is true:  External sensors (from bus) Card holder contact = enabled The Card holder folder includes the following parameters: ...
  • Page 78 Application manual Air quality multisensor and regulator EK-ES2-TP Note on card holder function The information of card insertion/removal in/from a card holder allows you to directly control the temperature by means of the room thermostat, while sending the object value on the bus allows you to control other room functions with KNX (lighting, electrical loads, feedback status for the hotel reception, etc.) depending on the...
  • Page 79: Logic Functions

    Air quality multisensor and regulator EK-ES2-TP 7.13 Logic functions The EK-ES2-TP KNX Multisensor controller allows to use some useful logic functions (AND, OR, NOT and exclusive OR) in order to implement complex functions in the building automation system. You can configure: ...
  • Page 80 Application manual Air quality multisensor and regulator EK-ES2-TP Parameter name Conditions Values x = 1, 2, 3, 4 By denying the logical state of the corresponding input, it is possible to implement complex combinatorial logics. Example: Output=(NOT(Logic object 1) OR Logic object 2)).
  • Page 81: List Of Communication Objects

    Application manual Air quality multisensor and regulator EK-ES2-TP 8 List of communication objects Communication object name Size Flags Datapoint type Technical alarm 1 bit C-W-- [1.005] DPT_Alarm Leds intensity percentage 1 byte C-W-- [5.001] DPT_Percentage Temperature value 2 bytes CR-T- [9.001] DPT_Value_Temp...
  • Page 82 Application manual Air quality multisensor and regulator EK-ES2-TP Communication object name Size Flags Datapoint type Thermostat - Building protection HVAC mode active 1 bit CR-T- [1.011] DPT_State 1 bit CR-T- [1.011] DPT_State Thermostat - Chrono active status Thermostat - Actual setpoint...
  • Page 83 Application manual Air quality multisensor and regulator EK-ES2-TP Communication object name Size Flags Datapoint type Thermostat - Dew-point temperature 2 bytes CR-T- [9.001] DPT_Value_Temp 2 bytes CRWTU [9.007] DPT_Value_Humidity Thermostat - Relative humidity setpoint for dehumidification Thermostat - Relative humidity setpoint for humidification...
  • Page 84 Application manual Air quality multisensor and regulator EK-ES2-TP Communication object name Size Flags Datapoint type 101, 106, 111, 116, Logic function x – Input 1 1 bit C-WTU [1.001] DPT_Switch 121, 126, 131, 136 102, 107, 112, 117, Logic function x –...
  • Page 85: Control Algorithms

    Application manual Air quality multisensor and regulator EK-ES2-TP 9 Control algorithms In figura sono rappresentati i componenti di un generico sistema di controllo per la temperatura ambiente. Il termostato rileva il valore attuale di temperatura della massa d’aria ambiente (T...
  • Page 86 Application manual Air quality multisensor and regulator EK-ES2-TP Heating mode: when the measured temperature is lower than the value of the difference (T – ΔT hysteresis whereby ΔT identifies the differential adjustment of the boilers, the device activates the heating system hysteresis by sending a message or KNX telegram to the actuator that handles the heating system;...
  • Page 87 Application manual Air quality multisensor and regulator EK-ES2-TP differential adjustment of the air conditioning system, the device disables the air conditioning system by sending another message. In this way, there are two decision thresholds for activation and deactivation of the...
  • Page 88 Application manual Air quality multisensor and regulator EK-ES2-TP Wide Proportional Band 100% Narrow Proportional Band T ambient [°C] T Setpoint Wide Proportional Band 100% Narrow Proportional Band T ambiente [°C] T Setpoint Picture 14 - Continuous Proportional-Integral control Integral Time is the amount of time necessary to repeat the vaue of the control variable of a purely proportional controller, when error is constant.
  • Page 89 Application manual Air quality multisensor and regulator EK-ES2-TP Cycle period T ON T OFF Time [min] T ON = T OFF Mean ON time = 50% Time [min] T ON = ½ T OFF Mean ON time = 25% Time [min]...
  • Page 90 Application manual Air quality multisensor and regulator EK-ES2-TP 9.4 Fancoils with On / Off fan speed control The multi-stage fan control is similar to the 2-point control with hysteresis described in the previous section. The speed of the fan is chosen basing on the difference between the set point (T...
  • Page 91 Application manual Air quality multisensor and regulator EK-ES2-TP  Speed 2 (2nd stage) – The speed is activated when the room temperature value is lower than the value – Threshold TS2 - Hysteresis) and deactivated when the room temperature value reaches the value –...
  • Page 92 Application manual Air quality multisensor and regulator EK-ES2-TP Another element of flexibility is the possibility to subordinate the fan manual operation to the desired temperature T . By selecting in ETS the parameter Manual operation = not depending on the temperature in Ventilation folder, the ventilation will continue to work at the user defined speed even when the desired temperature is reached.
  • Page 93 Application manual Air quality multisensor and regulator EK-ES2-TP The definiton of hyteresis levels must be directly performed on the fan coil actuator. The application program offers the parameter Proportional band, which has the the same value for both heating and cooling: this parameter determines the fan intervention gradient.
  • Page 94 Application manual Air quality multisensor and regulator EK-ES2-TP 9.6 2-points control with hysteresis for auxiliary heating / cooling system Some heating / cooling systems show a very large response inertia; this is mostly due to the fact that a relevant part of building mass is involved in the thermal exchange.
  • Page 95 Application manual Air quality multisensor and regulator EK-ES2-TP 9.7 Auxiliary stage with fan coil In some heating / cooling system, an auxiliary fan coil system which operates on air volumes is paired with an high inertial system (such as floor radiant panels): EK-ET2-TP Multisensor controller can be easily configured for this kind of application.
  • Page 96 From the EK-ES2-TP multisensor point of view, the presence of the pressure sensor has no influence: in fact, the multisensor always sends a value expressed as a percentage (CO 56: Thermostat - Heating and cooling control).
  • Page 97 Application manual Air quality multisensor and regulator EK-ES2-TP In Picture 23, the angular displacement of the pin (and valve) α is shown on the horizontal axis, while the ordinate indicates the flow rate k of the heat transfer fluid. When the pin is at 45 ° it is exactly in the center of the neutral zone. A movement limited to 15 ° in any direction causes it to remain within the neutral zone.
  • Page 98 Application manual Air quality multisensor and regulator EK-ES2-TP Picture 25 - Not inverted sequence Picture 26 - Inverted sequence 10.2.2 Thermal power limitation While the same terminals are maintained, the thermal power required in cooling and heating mode is different.
  • Page 99 Application manual Air quality multisensor and regulator EK-ES2-TP 11 Diagnostics Alarm code Reason Room controller alarm Thermal generator lock alarm Internal temperature sensor alarm Heating temperature limit alarm threshold limit alarm Alarm code Reason Integrated temperature sensor failure Integrated relative humidity sensor failure...
  • Page 100: Other Information

    ETS ® are registered trademarks of KNX Association cvba, Brussels © EKINEX S.p.A. 2020. The company reserves the right to make changes to this documentation without notice. Release 1.0 - Updated: 14/02/2020 Application Manual © EKINEX S.p.A. - All rights reserved...

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