eta T2-BT Configuration
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eta T2-BT Configuration

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2019-11-18
EN
0000000227
V.007
X.47.0
939590-001
Control extensions
T2-BT and T2-BTI
Configuration

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Summary of Contents for eta T2-BT

  • Page 1 2019-11-18 0000000227 V.007 X.47.0 939590-001 Control extensions T2-BT and T2-BTI Configuration...
  • Page 2 ETA Heiztechnik Gewerbepark 1 A-4716 Hofkirchen an der Trattnach Tel: +43 (0) 7734 / 22 88 -0 Fax: +43 (0) 7734 / 22 88 -22 info@eta.co.at www.eta.co.at...

  • Page 3: Table Of Contents

    Contents General information ..............4 Description of the configuration wizard .

  • Page 4: General Information

    General information General information Copyright DANGER! All contents of this document are property of ETA On non-compliance with this safety instruction, there is Heiztechnik GmbH and are protected by copyright. a risk of major physical injury. Any reproduction, transfer to third parties or use for other purposes is prohibited without written permission from the owner.

  • Page 5: Description Of The Configuration Wizard

    Description of the configuration wizard Description of the configuration wizard Configuration with the wizard Function block overview Configuration with the wizard takes place in several The [Possible function blocks] column shows the steps. These are described below: function blocks available for selection, and the [Selected function blocks] column shows the function 1) Add the function blocks required for the installed blocks that have already been added.
  • Page 6 Select the required options, depending on your Select the type of connection you require, then tap the installed heating system components, and save necessary producers and consumers to select them. with the [Accept] button. This connection then appears in the [Connections] window. www.eta.co.at...
  • Page 7 Description of the configuration wizard When you have set up all the necessary connections, Changing terminal allocation press [Next] to continue configuration. 1. In the function block of the hot water tank, tap the temperature sensor [Hot water tank] twice. A window opens.

  • Page 8: Checking Outputs, Changing Terminal Assignments

    The ETAtouch control system automatically reverts all manually switched on outputs back to automatic mode after 30 minutes. In the same manner, the running direction of a mixer is checked. See the example below. www.eta.co.at...

  • Page 9: Modify Terminal Assignment

    Checking outputs, changing terminal assignments Modify terminal assignment Running direction of the heating circuit mixing Modify terminal assignment of the heating circuit valve pump 1. With the [Service] authorization, open the inputs 1. Increase the authorisation to [Service]. See and outputs menu in the heating circuit function Chapter 3.1 "Changing the access level".
  • Page 10 Modify terminal assignment Checking outputs, changing terminal assignments The factory terminal allocation is shown in the [Available terminals] list with a yellow font colour. Fig. 3-6: Factory setting (yellow font) www.eta.co.at...

  • Page 11: Backing Up And Restoring A Configuration

    Backing up and restoring a configuration Backing up and restoring a configuration button. To restore a configuration, press the [Con- Backup configuration figuration restore] button. Another menu After you have made adjustments to satisfy customer appears: requirements, you should save the configuration. This backup saves the configuration, parameter settings, input and output terminal allocations, etc.

  • Page 12: Configuration Parameter

    Only visible with a single consumer level Buffer min. c. Only visible with multiple consumer levels Buffer off Explanation of [Total volume] The whole buffer volume needs to be indicated for this parameter. This enables the control system to optimise the charging of the buffer. www.eta.co.at...
  • Page 13 For an immediate start, the [Immediately charge] all components of the heating system are controlled by parameter must be set to [On]. the ETA control system. A higher value is required if peaks in output have to be covered or very fast heat availability is needed.
  • Page 14 2 boilers with 90 kW output each are currently charging the buffer. The parameter [Switch-off threshold] is set to 80%. => If the demand on the boiler falls below 72 kW (=80% of 90 kW), the last activated boiler will be switched off again. www.eta.co.at...
  • Page 15 Configuration parameter [BufferFlex] function block 5.1.1.2 BufferFlex with solar heating system a. Only visible with several buffer storage tanks and solar heating system Settings - PufferFlex with solar heating system b. Only visible with stratified charging of the buffer In addition to the basic settings, further parameters c.
  • Page 16 Otherwise, the boiler may start beforehand, in order to charge the heating circuit or hot water tank. During the configured times for solar priority, it may happen that the heating circuits or the hot water are not supplied with sufficient heat. www.eta.co.at...
  • Page 17 Configuration parameter [BufferFlex] function block 5.1.1.3 BufferFlex as a combination tank operation for 3 minutes and then disabled for 10 minutes. This means that it can only be requested again by the control system after 13 minutes. Settings - PufferFlex as a combination tank You can determine the required running time of With a combination tank, you need to set additional the circulation pump in the following way.

  • Page 18: Pufferflex For Log Boiler

    This enables the control system to optimise the charging of the buffer. Explanation of [Return from consumers] This temperature is the mean return temperature of all consumers connected to the buffer. For example: heating circuits, hot water tanks, external heat consumers fresh, water modules... www.eta.co.at...
  • Page 19 Configuration parameter [BufferFlex] function block 5.1.2.2 BufferFlex with oil or gas auxiliary Explanation of [Buffer off] boiler This sets the shutdown temperature for the buffer charge through the boiler. If the temperature sensor in the buffer has exceeded the shutdown temperature, Settings for log boiler with PufferFlex and charging of the buffer by the boiler is stopped.

  • Page 20: Hot Water Tank] Function Block

    Explanation of [HW bottom off] Optional: only with additional [Hot water tank bottom] It is important that this parameter is checked and temperature sensor adjusted because if the value is too high, output regulation of the boiler or buffer, respectively, will be impaired. www.eta.co.at...
  • Page 21 Configuration parameter [Hot water tank] function block Example: Explanation of [Hot water tank max.] [Circulation runtime] = 3 minutes This parameter defines the maximum temperature of [Circulation pause] = 10 minutes the hot water tank, and applies to all heat producers - If the circulation pump has been started, it is in including solar heating systems - that charge the hot operation for 3 minutes and then disabled for...

  • Page 22: Heating Circuit] Function Block

    Only make minor changes to this parameter, HW priority because when walls cool down too much, dra- matically higher air temperatures are required to heat Solar heat diss. the room again. Any energy savings will then be lost. www.eta.co.at...
  • Page 23 Configuration parameter [Heating circuit] function block The following figures are a guide, depending on the In heating systems without a buffer and the "Pel- configured temperature [Flow at -10°C] and the design letsUnit" boiler, this parameter is not visible. of the heating circuit: Explanation of [MixValve runtime] Temperature Radiators...

  • Page 24: Heating Circuit With Room Sensor

    A positive (+) or a negative (-) value can be entered as the corrective value. This value is added to the currently measured room temperature. Example: Measured room temperature = 24 °C [Calibration value] = -2 °C => Displayed temperature on room sensor 22 °C www.eta.co.at...

  • Page 25: Screed Drying

    Configuration parameter [Heating circuit] function block 5.3.3 Screed drying Set the start of the drying program with the [Start screed drying] parameter. If the maximum temperature is held for the configured duration, the program ends Settings - Screed drying as soon as the [Flow target] temperature is below the Set this parameter for each installed heating [Flow] or the current room temperature.

  • Page 26: Solar] Function Block

    This pump runs if the signal speed of the solar pump. A larger quantity of cable is unplugged. water is therefore conveyed through the solar panel. The water remains in the solar panel for a short time, www.eta.co.at...
  • Page 27 Configuration parameter [Solar] function block and so also becomes less hot. The working temperature of the solar panel is therefore lower, but there are fewer losses via the solar panel. Explanation of [Switch-on diff.] This parameter sets the temperature difference for switching on the solar pump.

  • Page 28: Function Block [Pool]

    Explanation of [Hysteresis] This sets the difference of how far the current temperature of the consumer [Pool temperature] can fall from the setpoint [Pool target temperature] to request heat. www.eta.co.at...

  • Page 29: Aux.boiler] Function Block

    ETA control system has demanded it. Aux.boiler charging pump If there is still a demand by the ETA control system Enable AuxBoilChargePump after this period ends, then the auxiliary boiler will begin operation.
  • Page 30 Set the running time according to the information Regardless of the priority setting, auxiliary boilers on the mixing valve actuator's type plate. always have lower priority than an ETA boiler. Explanation of [AuxBoilerMax] The maximum temperature of the auxiliary boiler is set with this parameter.

  • Page 31: Function Block [Changeover Valve]

    50 °C. Settings Additional oil and gas boilers always have a lower Hysteresis priority than an ETA boiler or buffer. If multiple Switch priority auxiliary boilers are installed, a priority can be set for each auxiliary burner.

  • Page 32: External Heat Source] Function Block

    If the temperature of the external heat source is below this minimum temperature, the diverter valve switches block to the ETA boiler, which then supplies the heat. If this temperature is exceeded, the valve switches to the external heat source, which supplies the heat.

  • Page 33: External Heat Demand] Function Block

    Configuration parameter [External heat demand] function block [External heat demand] function Explanation of [Lin y1] and [Lin y2] for external output set point block Optional: only for option [Ext. output set point]. With this option, the external heat consumer specifies Parameters to be set its required output to the heating system with an analogue signal (0-10 V).

  • Page 34: Heating Pipeline] Function Block

    This will determine the difference between the current feed temperature and the required temperature. If this difference is exceeded for the set duration [Duration until warning], a warning will be shown on the screen. Example: [Required temperature] = 70°C [Difference warning] = 10°C www.eta.co.at...

  • Page 35: Function Block [Meter]

    Configuration parameter Function block [meter] 5.11 Function block [meter] Parameters to be set Set or check the following parameters. Inputs Heat flow meter Serial no. Read out interval Inputs Electric meter Serial no. Read out interval Explanation of [Serial no.] With this parameter, the serial number of the M-bus meter is entered.
  • Page 36 DOWNLOAD www.eta.co.at...

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T2-bti

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