User Manual for Zennio models including: ZN1CL-KLIC-DA, KLIC-DA LT KNX DAIKIN Altherma LT Gateway, KLIC-DA, LT KNX DAIKIN Altherma LT Gateway
KLIC-DA LT KNX/DAIKIN Altherma LT Gateway ZN1CL-KLIC -DA L Application Program Version: [3.0] User Manual Version: [3.0] b www.zennio.com
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DocumentDocumentKLIC-DA LT KNX/DAIKIN Altherma LT Gateway ZN1CL-KLIC-DA Application Program Version: [3.0] User Manual Version: [3.0]_b www.zennio.com USER MANUAL KLIC-DA LT CONTENTS Contents ........................................................................................................................................ 2 Document Updates ....................................................................................................................... 3 1 Introduction .......................................................................................................................... 5 1.1 KLIC-DA.......................................................................................................................... 5 1.1.1 KLIC-DA LT ............................................................................................................. 6 1.2 Installation..................................................................................................................... 7 2 Configuration....................................................................................................................... 10 2.1 Domestic Hot Water Management (DHW) ................................................................. 10 2.2 Climate control management ..................................................................................... 10 2.3 Error Handling ............................................................................................................. 10 2.4 Additional Indicators ................................................................................................... 11 2.5 Start-up........................................................................................................................ 11 3 ETS Parameterisation .......................................................................................................... 13 3.1 Default Configuration.................................................................................................. 13 3.1.1 Configuration....................................................................................................... 14 3.1.1.1 Domestic Hot Water........................................................................................ 17 3.1.1.2 Climate ............................................................................................................ 18 3.1.1.3 Error Handling ................................................................................................. 19 3.1.1.4 Temperatures (Status)..................................................................................... 20 3.1.1.5 Actuators (Status)............................................................................................ 21 3.1.1.6 Energy (Status) ................................................................................................ 21 3.1.1.7 Additional Information (Status) ...................................................................... 22 ANNEX I. Communication Objects............................................................................................... 24 http://www.zennio.com Technical Support: http://support.zennio.com 2 DOCUMENT UPDATES KLIC-DA LT Version Changes [3.0]_b Changes in the user manual: · Clarification on error CJ-02 Page(s) 20 Changes in the application program: [3.0]_a · Compatibility with new models (Altherma 3) of the - Altherma LT system. Clarification on DHW setpoint temperature. [2.2]_a Changes in the application program: · New object to notify malfunction code. 10, 17 - Changes in the application program: [2.1]_a - · Code optimisation. Changes in the application program: · Compatibility with newer (CB) models of the Altherma LT system. [2.0]_a · Possibility of configuring a minimum period between - transmissions of the status objects. · New energy consumption / production objects per circuit (only in CB systems). Changes in the application program: [1.4]_a - · Code optimisation. Changes in the application program: [1.3]_a · Improvement in the interoperability with the Altherma LT - system clock. http://www.zennio.com Technical Support: http://support.zennio.com 3 [1.2]_a Changes in the application program: · Compatibility with additional Altherma LT systems. [1.1]_a Changes in the application program: · Internal optimisation of the ETS project. KLIC-DA LT - http://www.zennio.com Technical Support: http://support.zennio.com 4 1 INTRODUCTION KLIC-DA LT 1.1 KLIC-DA KLIC-DA from Zennio is the ideal solution for the integration of Altherma climate systems into a KNX domotic environment. As a bidirectional KNX / Altherma interface, KLIC-DA provides full communication between any KNX device (e.g., the InZennio Z41 touch screen from Zennio) and the Altherma system, which can therefore be controlled analogously as from the specific Altherma user interfaces. Moreover, any status updates and feedback received from the Altherma system will also be forwarded by KLIC-DA towards other KNX devices. Figure 1. KLIC-DA Daikin Altherma is an integral solution for climate control. Although mainly based on the heat pump technology, Altherma systems can optionally perform cooling as well, therefore providing the user with heating, air-conditioning and domestic hot water. Depending on the structure of the system (e.g.: location of the external unit, integration or not of the hydrobox within the same unit, etc.) and on whether A/C is required or not, different Altherma systems are available. http://www.zennio.com Technical Support: http://support.zennio.com 5 KLIC-DA LT 1.1.1 KLIC-DA LT The KLIC-DA LT application program provided by Zennio focuses on controlling Altherma LT (from Low Temperature) systems, in contrast to the Altherma HT (from High Temperature) systems. An Altherma LT system consists of a series of elements (an external unit, a hydrobox, an internal unit, the user interfaces, etc.), and the specific "P1/P2" communication bus, which allows the user interfaces (typically, one acting as the main control and the other as an additional control) communicate to each other and to the Altherma LT system. KLIC DA LT is compatible with models CA, CB and Altherma 3 of Altherma LT system hydrobox. Note: only the main interface interacts with the Altherma LT system. Any order from or to the additional interface will reach the main interface too. KLIC-DA LT is meant to replace the aforementioned additional interface, and thus to communicate only to the main interface and not to the Altherma LT system directly. The main functions performed by the KLIC-DA LT application program are: Management of the domestic hot-water (DHW) system. Management of the room climate system (Leaving Water Method). Error handling. Simultaneous monitoring of multiple indicators (temperature setpoints, actuator states, sensors...) reported by the Altherma LT system. On the other hand, Altherma LT systems feature three climate control methods: Control of the leaving water temperature (LWT), Control through a user interface configured as a thermostat, Control though an external thermostat (TH). The KLIC-DA LT application program is only compatible with Altherma LT systems configured for an LWT control, and with only one climate zone (Altherma LT systems permit up to two climate zones with independent setpoint temperatures). http://www.zennio.com Technical Support: http://support.zennio.com 6 1.2 INSTALLATION KLIC-DA LT 1 2 3 1.- KNX Connector 2.- Programming LED 3.- Programming Button 4 4.- Two-wire Communication Terminal Figure 2. Element Diagram KLIC-DA connects to the KNX bus via the corresponding built-in terminals (1). On the other hand, this device needs to be connected to the P1/P2 bus of the Altherma system (4) in substitution of the original additional user interface. Once the device is being powered from the KNX bus, both the physical address and the KLIC-DA LT application program can be downloaded. This device does not need any additional external power as it is entirely powered through the KNX bus. The functionality of the remaining elements is as follows: Programming Button (3): a short press on this button will set the device into the programming mode, making the red component of the LED (2) indicator light up. If the button is held while plugging the device into the KNX bus, KLICDA will go into the safe mode, making the red colour of the LED blink intermittently. LED Indicator (2): this three-colour (red, blue and green) light indicator reflects the current state of the device. Apart from showing whether the device is under the programming or safe modes, this LED will also react to any communication between KLIC-DA and the P1/P2 bus, which may be useful during the installation process. The meaning of the different colour components is explained next: http://www.zennio.com Technical Support: http://support.zennio.com 7 KLIC-DA LT Red Component (still): KLIC-DA is under the programming mode. Red Component (blinking): KLIC-DA is under the safe mode. Green Component (still): KLIC-DA is not connected to the Altherma system, or the latter is disconnected from the power supply. Green Component (blinking): transmission or data from the P1/P2 bus towards KLIC-DA. Blue Component (blinking): transmission or data from KLIC-DA towards the P1/P2 bus. Note: each colour component works with independence of the others. Therefore, if for instance KLIC-DA is under the programming mode being the Altherma system disconnected, the effective colour will be orange (still), as the red and green components will be lighting (still). Input Terminal for the Two-Wire Communication Cable (4): slot for the connection of the two-wire communication cable that will connect KLIC-DA to the Altherma P1/P2 bus. A. Hydrobox Unit. B. Main User Interface. C. KLIC-DA. Figure 3. Connection to the P1/P2 bus As stated in 1.1.1 and shown in Figure 3, KLIC-DA needs to be installed in substitution of the original additional user control, while the main user control needs to be configured as "At Unit" under "User Interface Location". Note: in Altherma 3 model, the Main User Interface is integrated in the Hydrobox Unit. http://www.zennio.com Technical Support: http://support.zennio.com 8 KLIC-DA LT For detailed information about the technical features of KLIC-DA, as well as on security and installation procedures, please refer to the device Datasheet, bundled within the original packaging of the device and also available at www.zennio.com. http://www.zennio.com Technical Support: http://support.zennio.com 9 2 CONFIGURATION KLIC-DA LT As stated in section 1.1.1, the KLIC-DA LT application program is only compatible with Altherma LT systems running under an LWT control, and with only one climate zone. The main functionality of KLIC-DA LT is listed next. 2.1 DOMESTIC HOT WATER MANAGEMENT (DHW) In relation to this function, KLIC-DA LT permits controlling and monitoring: The ON/OFF state of the DHW function. The ON/OFF state of the Booster mode. The setpoint temperature of the DHW tank. Setpoint temperature will only be effective if reheat mode is used. It can also report whether the DHW tank is currently under operation or not. 2.2 CLIMATE CONTROL MANAGEMENT In relation to this function, KLIC-DA LT permits controlling and monitoring: The ON/OFF state of the climate function. The Operation Mode of the climate system. The setpoint temperature of the climate control. It can also report whether the climate system is currently under operation or not. 2.3 ERROR HANDLING KLIC-DA LT is able to report the following error events: Duplicate additional user interface (KLIC-DA is supposed to replace it), Malfunction of the Altherma LT system. http://www.zennio.com Technical Support: http://support.zennio.com 10 KLIC-DA LT 2.4 ADDITIONAL INDICATORS KLIC-DA LT does monitor other information received from the Altherma LT system, and therefore is able to report it to the KNX bus: Temperatures: an external temperature or that of the DHW tank, the output water flow, the input water flow or of the refrigerant. State of the actuators: pump, compressor, backup heaters... Additional information: current water flow. Energy: total energy consumption to date, and total energy production to date. Additionally, for CB models it is also possible to monitor, independently, the energy consumption and the energy production of the cooling, heating and DHW circuits. It possible to configure a minimum period between sendings of these status indicators. Note: with hydrobox Altherma 3, only consulting DHW tank and the output water flow temperatures is possible. 2.5 START-UP Both user interfaces in the Altherma LT system (i.e., the main control and the additional control) are powered from the P1/P2 bus. KLIC-DA, however, is powered from the KNX bus instead of the P1/P2 bus. Therefore, it may initialise at a different moment than the main control, so it is advisable to restart the Altherma LT system after installing KLIC-DA and downloading the application. When bus power is provided to this device the start-up of the application program begins, which takes a few seconds. After that, an initial communication sequence (of about three minutes' time) with the main user interface takes place. Commands related to the DHW or to the climate control received during this process will be ignored, and their corresponding status objects will not be sent either. Nevertheless, KLIC-DA LT does send the status objects related to the additional information (temperatures, sensors, actuators and energy) whenever they change their value during this initialisation process. Despite the above, in order to guarantee consistency between the actual status of the system and that of the communication objects sent to the KNX bus (which will not lose http://www.zennio.com Technical Support: http://support.zennio.com 11 KLIC-DA LT their values after a power failure), once KLIC-DA finishes the initialisation sequence and establishes communication with the main control, it will send the appropriate commands so the Altherma LT system switches to the last status the domotic system is aware of. This initialisation process can be summarised as the following steps: 1. After the aforementioned initialisation process has started, once KLIC-DA LT gets at least one valid frame from the Altherma LT system, it will send a reset order (which may have no effect if the Altherma system is already performing a restart). 2. During the restart of the Altherma LT system (~30 seconds), the main user control will show the word "Busy". 3. When the initialisation sequence ends, the Altherma LT system is set to the last state KLIC-DA LT was aware of prior to the power failure (or to the default values, on the first start-up). The above sequence occurs whenever KLIC-DA LT starts up, or detects communication errors with the P1/P2 bus. It also takes place if a reset occurs in the main user control. On the other hand, the KLIC-DA LT application program brings the option to send all the status objects to the KNX bus after a voltage recovery, in order to update other KNX devices. This will take place at the beginning of the three-minute initialisation process, just after the voltage recovery or at the end of the ETS download. The values being sent will correspond to the status KLIC-DA LT was aware of before the voltage recovery, or those assigned by default in the case of a start-up after an ETS download. http://www.zennio.com Technical Support: http://support.zennio.com 12 3 ETS PARAMETERISATION KLIC-DA LT After importing the corresponding database in ETS and adding the device into the topology of the desired project, the configuration process begins by entering the Parameters tab of the device. In the following sections a detailed explanation is provided about how to parameterise the different functionalities of the device in ETS. 3.1 DEFAULT CONFIGURATION This section shows the default configuration the device configuration starts from. Note that no communication objects are enabled by default, so the device topology will show up empty. Regarding the parameter window, only one main tab ("General") is shown, containing one sub-tab called Configuration. The following section describes all the parameters available under Configuration. Figure 4. The "Configuration" parameter window, under "General". http://www.zennio.com Technical Support: http://support.zennio.com 13 KLIC-DA LT 3.1.1 CONFIGURATION First of all, it is necessary to set the Hydrobox model type that will be controlled, which may be one of the following: Altherma 3 model, selected by default, CB model, CA model. Next, it is necessary to define the desired Configuration Type, which can be one of the following: Basic, selected by default. This mode permits enabling and making use of the following options: Domestic Hot Water (DHW), which enables or disables the DHW function. See section 3.1.1.1. Climate, which enables or disables the room climate function. See section 3.1.1.2. Error Handling, which enables or disables the error monitoring function. See section 3.1.1.3. Advanced. While all of the above will still remain available, this mode brings a few more options: http://www.zennio.com Technical Support: http://support.zennio.com 14 KLIC-DA LT Figure 5. Advanced Configuration Type Temperatures (Status), which enables or disables the supervision of various temperature indicators. See section 3.1.1.4 Actuators (Status), which enables or disables the supervision of various indicators related to the operational condition of the actuators (pump, compressor, etc.) in the Altherma LT system. Only for models CA and CB. See section 3.1.1.5. Energy (Status), which enables or disables the supervision of various indicators related to the power consumption/production. Only for models CA and CB. See section 3.1.1.6 Additional Information (Status), which enables or disables the supervision of the water flow. Only for models CA and CB. See section 3.1.1.7 Whenever one of these objects is enabled, a new parameter called Status Objects Sending Period (with Value Change) will show up, making it possible to configure the period (0 to 120 seconds) between the consecutive sendings of these indicators. See Figure 5. Depending on the Altherma LT system type being interfaced, the checkboxes of the required functions need to be marked. This will make some communication objects visible, as described in the following sections of this user manual. http://www.zennio.com Technical Support: http://support.zennio.com 15 KLIC-DA LT One more parameter should be configured: Send Status Objects on Bus Voltage Recovery?, which may be set to one of the following: No (default): no objects will be sent to the KNX bus during the device start-up after a bus power failure or a download from ETS. Yes: the following objects will be sent to the KNX bus (to update other KNX devices) when the device starts up after a bus power failure, a download from ETS or after a reset of Altherma LT system: For CA, CB and Altherma 3 models: [DHW] On/Off (Status). [DHW] Booster mode On/Off (Status). [DHW] Temperature (Status). [DHW] Operating (Status). [Climate] On/Off (Status). [Climate] Operation Mode (Status). [Climate] Temperature (Status). [Climate] Operating (Status). [Temperatures] DHW Tank. [Temperatures] Leaving Water. Only for CA and CB models: [Temperatures] Outdoor Temperature. [Temperatures] Leaving Water (PHE). [Temperatures] Inlet Water. [Temperatures] Refrigerant. [Actuators] Pump. [Actuators] Compressor. [Actuators] BUH: Step 1. [Actuators] BUH: Step 2. [Energy] Consumption Total. [Energy] Production Total. [Addit. Info.] Flow rate. Only for CB models: [Energy] Consumption Climate: Cooling. [Energy] Consumption Climate Heating. [Energy] Consumption DHW. [Energy] Production Climate: Cooling. [Energy] Production Climate Heating. [Energy] Production DHW. http://www.zennio.com Technical Support: http://support.zennio.com 16 KLIC-DA LT It is possible to apply a certain delay (0 to 255 seconds) to the above sending once the device start-up is over. Therefore, a new parameter called Sending Delay will show if the above is set to "Yes". Regarding the start-up of the device, it is advisable to read section 2.5, as it contains details on how the interaction between KLIC-DA LT and the Altherma LT system starts. 3.1.1.1 DOMESTIC HOT WATER No additional parameter configuration is required for this function. If enabled, the following communication objects will be available: [DHW] On/Off: one-bit object that will make KLIC-DA LT turn on the DHW function if a "1" is received from the KNX bus, while one "0" will make it turn the function off. [DHW] Booster Mode On/Off: one-bit object that will make KLIC-DA LT switch on the Booster mode of the DHW tank if a "1" is received from the KNX bus, while one "0" will make it turn this mode off. Note: the commands to activate/deactivate the Booster mode are only sent if the DHW function is active. [DHW] Temperature: two-byte object that sets the desired setpoint temperature for the DHW tank. In case the value received through this object exceeds the maximum temperature set in the main user interface, KLIC-DA LT will truncate it and send the Altherma LT system the maximum permitted setpoint. On the other hand, in case the value is under the minimum permitted value, the Altherma LT system itself will truncate it and apply the minimum setpoint value, notifying afterwards the effective change to KLIC-DA LT. To work properly, DHW reheat mode should be set from the main controller. [DHW] On/Off (Status): one-bit object that reflects whether the DHW function is on (value "1") or off (value "0"). [DHW] Booster Mode On/Off (Status): one-bit object that reflects whether the Booster Mode is currently on (value "1") or off (value "0"). http://www.zennio.com Technical Support: http://support.zennio.com 17 KLIC-DA LT [DHW] Temperature (Status): two-byte object that reflects the current setpoint temperature of the DHW tank. [DHW] Operating (Status): one-bit object that shows whether the Domestic Hot Water tank is in operation (value "1") or not (value "0"). Note that the tank will never be in operation if the DHW function itself has not been turned on. Whenever the Altherma LT system notifies a status change, the corresponding status object will be automatically sent by KLIC-DA LT to the KNX bus. 3.1.1.2 CLIMATE No additional parameter configuration is required for this function. If enabled, the following communication objects will be available: [Climate] On/Off: one-bit object that will make KLIC-DA LT turn on the climate control function when a "1" is received from the KNX bus, while one "0" will make it turn the climate control function off. [Climate] Operation Mode: one-bit object that will make KLIC-DA LT switch the current operation mode of the climate system to Cooling (value "0") or to Heating (value "1"). Note: although available from the main user control, the "automatic" mode cannot be activated from KLIC-DA LT. If a mode switch order is received from the KNX bus, KLIC-DA LT will ensure that the automatic mode gets deactivated in the climate system. [Climate] Temperature: two-byte object that sets the desired setpoint temperature for the climate system. In case the value received through this object exceeds the allowed setpoint range, the Altherma LT system itself will truncate it to the minimum or maximum values, notifying afterwards the effective change to KLIC-DA LT. [Climate] On/Off (Status): one-bit object that reflects whether the climate system is currently on (value "1") or off (value "0"). http://www.zennio.com Technical Support: http://support.zennio.com 18 KLIC-DA LT [Climate] Operation Mode (Status): one-bit object that reflects the currently active operation mode ("0" = Cooling; "1" = Heating), no matter if the automatic mode has been set or not from the main user control. [Climate] Temperature (Status): two-byte object that reflects the current setpoint temperature of the climate system. [Climate] Operating (Status): one-bit object that shows whether the climate system is in operation (value "1") or not (value "0"). Whenever the Altherma LT system notifies a status change, the corresponding status object will be automatically sent by KLIC-DA LT to the KNX bus. 3.1.1.3 ERROR HANDLING No additional parameter configuration is required for this function. If enabled, the following communication objects will be available: Communication Error: one-bit object that reflects whether there are (value "1") or not (value "0") any errors in the communication with the P1/P2 bus. This type of error may be due to an interruption of the communication with the main user control (i.e., more than three seconds after the initial communication sequence with no reception of valid frames addressed to the additional control), or to the existence of multiple additional controls in the P1/P2 bus (KLIC-DA is supposed to replace the additional control). Note: if two or more additional user controls are found to exist in the P1/P2 bus, KLIC-DA LT will report a communication error and will then require that the Altherma LT system is switched off prior to removing the unneeded additional control. Note that once it has been removed and the Altherma LT system is back on, it is also necessary to restart KLIC-DA LT to clear the communication error and make it send the value "0" to the KNX bus. Malfunction: one-bit object that reflects whether Altherma LT itself has informed about a malfunction in the system (value "1"). When such situation is over, or if no malfunction has been reported by the Altherma LT system, this object will have the value "0". http://www.zennio.com Technical Support: http://support.zennio.com 19 KLIC-DA LT Malfunction code: 14-byte object to report the malfunction code that wired control provides when a malfunction takes place in Altherma LT system. Whenever any of the above objects changes its value, KLIC-DA LT will automatically send it to the KNX bus. Note: In case of having a malfunction that prevents the measurement of the values which are visualized in wired control, these measurements will be displayed without a specific value ("--,-"). However, a high negative value will be received through the bus. Due to its inconsistency, implicitly notifies that a malfunction related with this measurement is taking place. Attention: In case KLIC-DA LT is connected to an Altherma unit whose controller is the MMI-2 and its software versions are v6.1.0 or later, the error "CJ-02" may appear. This error does not affect the proper working of the system. 3.1.1.4 TEMPERATURES (STATUS) No additional parameter configuration is required for this function. If enabled, the following communication objects will be available: [Temperatures] DHW Tank: two-byte object that reflects the current temperature of the DHW tank, as reported by the Altherma LT system. [Temperatures] Leaving Water: two-byte object that reflects the current temperature of the leaving water flow, as reported by the Altherma LT system. Additionally, the following communication objects will be available for CA and CB models: [Temperatures] Inlet Water: two-byte object that that reflects the current temperature of the inlet water flow, as reported by the Altherma LT system. [Temperatures] Leaving Water (PHE): two-byte object that reflects the current temperature of the plate heat exchanger (PHE) leaving water flow, as reported by the Altherma LT system. [Temperatures] Outdoor Temperature: two-byte object that reflects the current outdoor temperature, as reported by the Altherma LT system. http://www.zennio.com Technical Support: http://support.zennio.com 20 KLIC-DA LT [Temperatures] Refrigerant: two-byte object that reflects the current temperature of the refrigerant, as reported by the Altherma LT system. Whenever the Altherma LT system notifies a temperature change, KLIC-DA LT will automatically send the corresponding object to the KNX bus, meeting in any case the configuration of the minimum period between sendings. 3.1.1.5 ACTUATORS (STATUS) No additional parameter configuration is required for this function. If CA or CB model is enabled, the following communication objects will be available: [Actuators] BUH: Step 1: one-bit object that reflects the status of the Backup Heater Step 1 ("1" = turned on; "0" = turned off). [Actuators] BUH: Step 2: one-bit object that reflects the status of the Backup Heater Step 2 ("1" = turned on; "0" = turned off). [Actuators] Compressor: one-bit object that reflects the status of the compressor ("1" = turned on; "0" = turned off). [Actuators] Pump: one-bit object that reflects the status of the pump ("1" = turned on; "0" = turned off). Whenever the Altherma LT system notifies a change in the status of the above actuators, KLIC-DA LT will automatically send the corresponding object to the KNX bus, meeting in any case the configuration of the minimum period between sendings. 3.1.1.6 ENERGY (STATUS) No additional parameter configuration is required for this function. If CA or CB model is enabled, the following communication objects will be available: [Energy] Consumption - Total: four-byte object that reflects the total energy consumption (in kWh) till now, as reported by the Altherma LT system. [Energy] Production - Total: four-byte object that reflects the total energy production (in kWh) till now, as reported by the Altherma LT system. http://www.zennio.com Technical Support: http://support.zennio.com 21 KLIC-DA LT Additionally, the following communication objects will be available only for the CB models: [Energy] Consumption Climate: Cooling: four-byte object that reflects the total energy consumption (in kWh) to date in the cooling circuit, as reported by the Altherma LT system. [Energy] Consumption Climate: Heating: four-byte object that reflects the total energy consumption (in kWh) to date in the heating circuit, as reported by the Altherma LT system. [Energy] Consumption DHW: four-byte object that reflects the total energy consumption (in kWh) to date in the DHW circuit, as reported by the Altherma LT system. [Energy] Production Climate: Cooling: four-byte object that reflects the total energy production (in kWh) to date in the cooling circuit, as reported by the Altherma LT system. [Energy] Production Climate: Heating: four-byte object that reflects the total energy production (in kWh) to date in the heating circuit, as reported by the Altherma LT system. [Energy] Production DHW: four-byte object that reflects the total energy production (in kWh) to date in the DHW circuit, as reported by the Altherma LT system. Note: these indicators are not updated when its status changes. In order to have these energy values updated, a request must be done from wired control of Altherma LT system. 3.1.1.7 ADDITIONAL INFORMATION (STATUS) No additional parameter configuration is required for this function. If CA or CB model is enabled, the following communication object will be available: [Addit. Info.] Flow Rate: two-byte object that reflects the current water flow rate (in litres per hour, according to the KNX standard; note that the actual user interface of the Altherma LT system may use other units), as reported by the Altherma LT system. http://www.zennio.com Technical Support: http://support.zennio.com 22 KLIC-DA LT Whenever the Altherma LT system notifies a change in the status of the above indicator, KLIC-DA LT will automatically send the corresponding object to the KNX bus, meeting in any case the configuration of the minimum period between sendings. http://www.zennio.com Technical Support: http://support.zennio.com 23 KLIC-DA LT ANNEX I. COMMUNICATION OBJECTS "Functional range" shows the values that, with independence of any other values permitted by the bus according to the object size, may be of any use or have a particular meaning because of the specifications or restrictions from both the KNX standard or the application program itself. Number Size I/O Flags Data type (DPT) Functional Range Name Function 0 1 Bit I C - - W - DPT_Switch 0/1 [DHW] On/Off Turn On/Off DHW Tank 1 1 Bit I C - - W - DPT_Switch 0/1 [DHW] Booster Mode On/Off Turn On/Off DHW Tank Booster Mode 2 2 Bytes I C - - W - DPT_Value_Temp -273.0 - 670760.0 [DHW] Temperature DHW Tank Setpoint Temperature 3 1 Bit I C - - W - DPT_Switch 0/1 [Climate] On/Off Turn On/Off Climate Control 4 1 Bit I C - - W - DPT_Heat_Cool 0/1 [Climate] Operation Mode Set: 0=Cooling; 1=Heating 5 2 Bytes I C - - W - DPT_Value_Temp -273.0 - 670760.0 [Climate] Temperature Leaving Water Setpoint Temperature 6 1 Bit O C T R - - DPT_Switch 0/1 [DHW] On/Off (Status) Status of DHW Tank (On/Off) 7 1 Bit O C T R - - DPT_Switch 0/1 [DHW] Booster Mode On/Off (Status) Status of DHW Tank Booster Mode (On/Off) 8 2 Bytes O C T R - - DPT_Value_Temp -273.0 - 670760.0 [DHW] Temperature (Status) Current DHW Tank Setpoint Temperature 9 1 Bit O C T R - - DPT_Bool 0/1 [DHW] Operating (Status) 0=Not Operating; 1=Operating 10 1 Bit O C T R - - DPT_Switch 0/1 [Climate] On/Off (Status) Status of Climate Control (On/Off) 11 1 Bit O C T R - - DPT_Heat_Cool 0/1 [Climate] Operation Mode (Status) Current Mode: 0=Cooling; 1=Heating 12 2 Bytes O C T R - - DPT_Value_Temp -273.0 - 670760.0 [Climate] Temperature (Status) Current Leaving Water Setpoint Temperature 13 1 Bit O C T R - - DPT_Bool 0/1 [Climate] Operating (Status) 0=Not Operating; 1=Operating 14 1 Bit O C T R - - DPT_Alarm 0/1 Malfunction 0=No Malfunction; 1=Malfunction 15 14 Bytes O C T R - - 16.xxx Malfunction Code Malfunction Code 16 1 Bit O C T R - - DPT_Alarm 0/1 Communication Error 0=No Error; 1=Error 17 2 Bytes O C T R - - DPT_Value_Temp -273.0 - 670760.0 [Temperatures] DHW Tank Current DHW Tank Temperature 18 2 Bytes O C T R - - DPT_Value_Temp -273.0 - 670760.0 [Temperatures] Outdoor Temperature Current Outdoor Temperature 19 2 Bytes O C T R - - DPT_Value_Temp -273.0 - 670760.0 [Temperatures] Leaving Water Current Leaving Water Temperature 20 2 Bytes O C T R - - DPT_Value_Temp -273.0 - 670760.0 [Temperatures] Leaving Water (PHE) Current Leaving Water (Plate Heat Exchanger) Temp. 21 2 Bytes O C T R - - DPT_Value_Temp -273.0 - 670760.0 [Temperatures] Inlet Water Current Inlet Water Temperature 22 2 Bytes O C T R - - DPT_Value_Temp -273.0 - 670760.0 [Temperatures] Refrigerant Current Refrigerant Temperature 23 1 Bit O C T R - - DPT_Switch 0/1 [Actuators] Pump Status of Pump (On/Off) 24 1 Bit O C T R - - DPT_Switch 0/1 [Actuators] Compressor Status of Compressor (On/Off) 25 1 Bit O C T R - - DPT_Switch 0/1 [Actuators] BUH: Step 1 Status of BackUp Heater: Step 1 (On/Off) 26 1 Bit O C T R - - DPT_Switch 0/1 [Actuators] BUH: Step 2 Status of BackUp Heater: Step 2 (On/Off) 27 4 Bytes O C T R - - DPT_ActiveEnergy_kWh -2147483648 - 2147483647 [Energy] Consumption - Total Electrical Energy Consumption to Date 28 4 Bytes O C T R - - DPT_ActiveEnergy_kWh -2147483648 - 2147483647 [Energy] Consumption - Climate: Cooling Electrical Energy Consumption to Date http://www.zennio.com Technical Support: http://support.zennio.com 24 29 4 Bytes O C T R - - DPT_ActiveEnergy_kWh -2147483648 - 2147483647 [Energy] Consumption - Climate: Heating Electrical Energy Consumption to Date 30 4 Bytes O C T R - - DPT_ActiveEnergy_kWh -2147483648 - 2147483647 [Energy] Consumption - DHW Electrical Energy Consumption to Date 31 4 Bytes O C T R - - DPT_ActiveEnergy_kWh -2147483648 - 2147483647 [Energy] Production - Total Energy Production to Date 32 4 Bytes O C T R - - DPT_ActiveEnergy_kWh -2147483648 - 2147483647 [Energy] Production - Climate: Cooling Energy Production to Date 33 4 Bytes O C T R - - DPT_ActiveEnergy_kWh -2147483648 - 2147483647 [Energy] Production - Climate: Heating Energy Production to Date 34 4 Bytes O C T R - - DPT_ActiveEnergy_kWh -2147483648 - 2147483647 [Energy] Production - DHW Energy Production to Date 35 2 Bytes O C T R - - DPT_Value_Volume_Flow -671088.64 - 670760.96 [Addit. Info.] Flow Rate Current Water Flow Rate KLIC-DA LT http://www.zennio.com Technical Support: http://support.zennio.com 25 Join and sens us your inquiries about Zennio devices: http://support.zennio.com Zennio Avance y Tecnología S.L. C/ Río Jarama, 132. Nave P-8.11 45007 Toledo (Spain). Tel. +34 925 232 002. www.zennio.com info@zennio.com