eta TWIN 20 kW Operation
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eta TWIN 20 kW Operation

eta TWIN 20 kW Operation

Twin pellet burner 20-26 kw
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2016-04-02
EN
0000000302
V.001
X.36.0
2303
93412-001
TWIN pellet burner
20-26 kW
Operation

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Summary of Contents for eta TWIN 20 kW

  • Page 1 2016-04-02 0000000302 V.001 X.36.0 2303 93412-001 TWIN pellet burner 20-26 kW Operation...
  • 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 ................5 Preface.
  • Page 4 13.2 Refilling ............... . 80 www.eta.co.at...

  • Page 5: General

    ETAtouch control system of your of your product. Please take the time to look through it. ETA boiler. A LAN cable is required for the connection from the ETAtouch control system to the internet Warranty and guarantee modem.

  • Page 6: Warranty, Guarantee And Liability

    Provide a sufficiently large expansion tank or a pressure maintaining device To prevent air from being drawn in while the system is cooling, the heating system professional must provide a sufficiently large expansion tank or a pressure maintaining device. www.eta.co.at...
  • Page 7 Repair of defects For repairs of defects carried out by the customer or by a third party, ETA shall only bear the costs or remain obligated by warranty if this work was approved in writing in advance by the customer service of ETA Heiztechnik GmbH.

  • Page 8: Emission Measurement

    During this period, a warning notice will appear that no heating operation should be started, so that the heating system has time to cool down. Example: If a time of 17:00 is set for emissions www.eta.co.at...

  • Page 9: Twin Emission Measurement

    Emission measurement TWIN emission measurement TWIN emission measurement measurement and a cool-down time of [Lock duration] 8 h, the warning notice will appear starting at 9:00 . Prepare and perform emissions measurement 3. The log boiler must be heated up approximately 2 1.
  • Page 10 5. Switch the boiler back to normal mode after the emission measurement. To do this, press the [Deactivate measurement] button in the settings window. If you do not press this button, the boiler will automatically switch back to normal mode after some time. www.eta.co.at...

  • Page 11: Boiler Functionality

    Boiler functionality Boiler functionality with a ceramic igniter. Beneath the grate and the heat exchanger, the ash screws convey the ash to a detachable ash box. After the stainless steel combustion chamber, the wood gas flame can burn out unhindered through the burn-through opening in the log boiler's combustion chamber.

  • Page 12: Automatic Operation

    (=[Buffer top min.], see 9.4.4.1 "Buffer top min.") which the buffer storage tank will maintain. There is also a switch-off temperature (=[Buffer bottom off], see 9.4.4.2 "Buffer bottom off") which specifies when the boiler stops charging the buffer. www.eta.co.at...

  • Page 13: Safety

    Safety General information Safety General information Reasons for a boiler temperature increase include: • too much wood in the fuel chamber • heating circuits unexpectedly switched off Operation only by trained personnel • heating pump failed The product may be operated by trained adults only. •...
  • Page 14 Normally an expansion tank that is too small or defective, or blocked heating lines, are the cause for activation of the safety valve. The safety valve should installed at the highest point of the heat producer or i n the flow pipe close to the heat producer. www.eta.co.at...

  • Page 15: Suitable Fuels

    Suitable fuels Suitable fuels Suitable fuel The firewood must be air-dry, i.e. it must have dried for at least one year and have a water content under 20%. We recommend using half-metre split logs with an average diameter of 10 cm. Do not split round logs with a diameter under 8 cm;...

  • Page 16: Correct Quantity Of Wood

    To establish the correct amount, approach the fully SH20 / SH30 Buffer charging status SH40 / SH50 / SH60 Maximum fuel load Size of buffer storage tank (litres) Maximum fuel load Briquette Briquette Beech Spruce 3300 2200 1650 1100 Beech Spruce www.eta.co.at...

  • Page 17: Start-Up

    Start-up Start-up Check heating system's water pressure Open insulation door, draught fan starts automati- cally In buildings with up to three storeys, the optimum water pressure in a cold heating system is When the insulating door is opened, the draught fan between 1 and 2 bar.
  • Page 18 To Also, the 3 burn-through openings in the grate must stay open so that the fire reaches the combustion chamber during ignition. www.eta.co.at...
  • Page 19 Start-up make ignition easier, next to the log on the left and right Brushwood, coarse wood chips, unsplit logs and there should be a small gap separating it from the untreated wood waste should be added only as a neighbouring logs. secondary fuel among the split logs First place half of the required amount of logs in the fuel chamber (at least 3 layers).
  • Page 20 Once a few logs are burning well and the exhaust ignition. temperature is over 100°C, close the ignition door and the insulating door. Fig. 8-1: Close ignition door www.eta.co.at...
  • Page 21 Start-up Completion of heating mode with ember burnout Once the wood in the boiler has been burned (residual oxygen content above 15% for more than 5 minutes) or the exhaust temperature falls below 80 °C, the boiler automatically starts the ember burnout ([Ember burnout] status).

  • Page 22: Etatouch Controller

    Help button. Details can be found in chapter 9.1.3 "Integrated help". Settings of the selected function block Date and time Current outside temperature Status of the remote control for the boiler (via www.meinETA.at), see chapter 9.1.7 "meinETA remote control" System configuration www.eta.co.at...

  • Page 23: User Interface

    ETAtouch controller Getting to know the control system 9.1.1 User interface Several views are available for each function block. To switch between these, tap on the symbol at the top left. The selection of views appears. The user interface The user interface is always displayed by default. If you are in a different view, switch to the user view by tapping the symbol (upper left) and then...

  • Page 24: Text Menu

    Changing a parameter is simple. Select this and tap symbol. The settings window appears. Fig. 9-6: Activated help in the user interface Fig. 9-5: Settings window Factory setting and adjustment range Reset to factory setting Save and close Cancel and close www.eta.co.at...

  • Page 25: Messages

    ETAtouch controller Getting to know the control system 9.1.4 Messages Fields with additional line symbols on the right side (example: ) indicate that further information is available. Tap on the appropriate field An error message appears and a window with the description will open. Close the If an error occurs, a symbol of the type of error appears window using the arrow on the left side.

  • Page 26: Inputs And Outputs

    Close the settings window using the arrow on the left side. terminal assignments individual components of the selected function block are displayed in the inputs and outputs menu, e.g. pumps, temperature sensors, and mixers. www.eta.co.at...

  • Page 27: Getting Started

    ETAtouch controller Getting to know the control system 9.1.6 Getting started 9.1.6.2 Setting the language 9.1.6.1 System settings Change the language using the ETAtouch control system Open the system configuration The language used can be changed using the ETAtouch control system For this, open the system By tapping the symbol (in the lower left of the preferences...
  • Page 28 The heating circuit and the hot water tank are connected to the buffer. Thus, the buffer is a producer for the two consumers, namely the heating circuit and the hot water tank. Fig. 9-19: Overview of the settings menu www.eta.co.at...
  • Page 29 ETAtouch controller Getting to know the control system In the user interface, producers for the function Subsequently, the setting of the charging times block are always displayed on the left side and and temperatures will be described in relation to consumers on the right side.
  • Page 30 08:00 a.m. and 8:00 p.m. to 55 °C. In the following example, the time windows from Set-back temperature. Wednesday are copied to Saturday and Sunday. Outside the time window, the hot water is charged to this set temperature. Setting the time window is described below. www.eta.co.at...
  • Page 31 ETAtouch controller Getting to know the control system Time windows from Wednesday copied 4. Press the [Save] button to save. The overview will Saturday and Sunday. be updated accordingly. Close the window using the arrow on the left side. 1. In the overview, press the [Weekly plan] button to switch to view all days of the week.

  • Page 32: Meineta Remote Control

    If there via the in-house power grid. This dLAN adapter is also is no connection, one must be established. available from ETA. Enter the login information and the identification plate number of the boiler (if this is not displayed) in the relevant fields.
  • Page 33 ETAtouch controller Getting to know the control system appears at the bottom of the screen. If an error is displayed, check the access data and the internet connection. Fig. 9-34: Settings window for remote control After successful activation, options appear for remote control in the settings window.

  • Page 34: Boiler] Function Block - Log Boiler

    The boiler must be heated up in time to reach the operating 10 Flow temperature and return temperature 11 Producer for the boiler (TWIN pellet burner) Displayed only if a TWIN pellet burner is addition- ally installed. www.eta.co.at...
  • Page 35 ETAtouch controller [Boiler] function block – log boiler temperature for measurement. By pressing the [Start now] button, the boiler will immediately begin preparations for a subsequent measurement. Fig. 9-35: Settings window for emission measurement In addition, the locking time of the boiler can be adjusted in the settings window ( [Lock duration] button).

  • Page 36: Twin] Function Block

    ) it is in standby mode ([Ready] operating condition) and the Boiler overview ETA control system can start it when necessary. The pellet burner starts once the buffer demands heat, the log boiler is not supplying heat, and no wood has been...

  • Page 37: Text Menu - Adjustable Parameters

    ETAtouch controller [TWIN] function block 9.3.2 Text menu - Adjustable parameters temperature for measurement purposes. By pressing the [Start now] button, the boiler will immediately begin preparations for a subsequent measurement. Adjustable parameters Boiler Settings Start lag Ash removal Start idle time Duration idle time De-ash after min.
  • Page 38 [De-ash after max.] parameters. The boiler de-ashes within the range specified by these two parameters. The de-ashing interval may only be modified after consultation with a specialist or ETA customer service. The parameters can be found under: Boiler Ash removal De-ash after min.
  • Page 39 ETAtouch controller [TWIN] function block...

  • Page 40: Buffer] Function Block

    Currently, the consumers are charged with a flow Because it can only switch to heating mode within the temperature of 64 °C. buffer charging periods. [Settings] button. In this menu, the charge times are set. www.eta.co.at...

  • Page 41: Setting The Buffer Charging Times

    ETAtouch controller [Buffer] function block 9.4.1 Setting the buffer charging times 9.4.2 Buffer with solar heating system Open the overview of the charging times set Buffer with solar heating system The operating hours of the buffer can be adjusted in The control principles of the solar heating system the settings ( button).

  • Page 42: Buffer As A Combination Tank

    Opening charging times and temperature for hot water with a combination tank The charging times for the hot water and the set tem- peratures can be adjusted in the settings ( button). To adjust, open the settings and then open the www.eta.co.at...
  • Page 43 ETAtouch controller [Buffer] function block charging times of any given day with the [Hot water Charging times Daily plan] button. An overview screen opens. Fig. 9-41: Overview Set time window (charging times) Select day of the week Add another time window Graphical representation of the time window setting Overview of all time windows for the entire week...

  • Page 44: Text Menu - Adjustable Parameters

    Buffer bottom Solar all components of the heating system are controlled by Buffer bottom max the ETA control system. A higher value is required if Solar priority peaks in output have to be covered or very fast heat Solar priority availability is needed.
  • Page 45 ETAtouch controller [Buffer] function block The factory setting for this parameter is 40°C. If you set the function with the [Activate?] parameter The value should be at least 5 - 10°C above the set to [Yes], this buffer takes up the solar excess. This average return temperature of the consumers, but no buffer is then charged up to the configured maximum more than 70°C.
  • Page 46 [Change priority at] and ends with [End solar prio.]. • The [Buffer bottom Solar] temperature in the buffer Outside the 2 time slots, the boiler can charge the must have exceeded the configurable value of [at buffer at any time. buffer bottom sol.]. www.eta.co.at...
  • Page 47 ETAtouch controller [Buffer] function block • In the function block for the hot water tank, heating 9.4.4.13 Circulation runtime circuits or other buffer storage tanks, the [Solar Optional: only for combination tank with circulation heat diss.] parameter must be set to [Yes], so that pump the buffer can request these consumers to take on the excess solar heat.
  • Page 48 [Buffer] function block ETAtouch controller The parameter can be found under: Hot water tank Circulation Enable circulation www.eta.co.at...
  • Page 49 ETAtouch controller [Buffer] function block...

  • Page 50: Hot Water Tank] Function Block

    When active, the button is highlighted in yellow Mode of operation In the settings menu ( button), the time window for charging the hot water and the desired hot water temperature can be set. See chapter 9.5.1 "Setting the hot water charging times". www.eta.co.at...

  • Page 51: Setting The Hot Water Charging Times

    ETAtouch controller [Hot water tank] function block 9.5.1 Setting the hot water charging times 9.5.2 Text menu - Adjustable parameters Open the overview screen of the set charging Commonly used parameters can be found in the times and temperatures settings The charging times for the hot water and the set tem- Commonly used parameters can be found in the peratures can be adjusted in the settings (...
  • Page 52 This parameter sets the duration for operation of the circulation pump after it has been started. This period is only valid inside the set time slot. After the set period has expired, the circulation pump is switched off for the configurable duration of the [Circulation pause] parameter. www.eta.co.at...
  • Page 53 ETAtouch controller [Hot water tank] function block...

  • Page 54: Fresh Water Module] Function Block

    Circulation pump (only displayed if it has been installed and is in operation) Hot water temperature (the tap is displayed only when hot water is currently being drawn) [Settings] button. In this menu, the time window can be set, for example. www.eta.co.at...

  • Page 55: Setting The Hot Water Charging Times

    ETAtouch controller [Fresh water module] function block 9.6.1 Setting the hot water charging times 9.6.2 Text menu - Adjustable parameters Open the overview screen of the set charging Adjustable parameters times and temperatures Hot water The standby times for the hot water and the set tem- Automatic venting peratures can be adjusted in the settings ( button).
  • Page 56 This parameter sets the period (pause) after a circulation pump operating phase. The control system can only restart the circulation pump after this time has elapsed. This pause is only valid inside the set time slot. The parameter can be found under: Circulation Circulation pause www.eta.co.at...
  • Page 57 ETAtouch controller [Fresh water module] function block...

  • Page 58: Heating Circuit] Function Block

    [Timer] operating mode. The operating modes are also manually adjustable. Heating mode is activated with the button, and reduced operation mode with the button. See chapter 9.7.1 "Operating elements". www.eta.co.at...

  • Page 59: Operating Elements

    ETAtouch controller [Heating circuit] function block 9.7.1 Operating elements 9.7.2 Setting the heating time slots [Timer] button Open the overview screen of set heating times The heating circuit is switched to automatic The operating hours of the heating circuit (heating mode.

  • Page 60: The Heating Curve

    The heating curve for reduced operation mode (blue line in the diagram) is determined by a parallel shift of the heating curve of the heating mode. This shift is set via the [Set-back difference] parameter. www.eta.co.at...
  • Page 61 If the rooms are too warm or cold in reduced operation mode (outside the heating times), only If an ETA room sensor is installed for the heating the [Set-back difference] parameter needs to be circuit, the flow temperature calculated on the adjusted.
  • Page 62 4 hours of heating and 3 hours break The optimum settings depend on the heat demand of the building and each room. Explore this in con- sultation with your heating contractor or ETA Fig. 9-51: ETA room sensor customer service.
  • Page 63 ETAtouch controller [Heating circuit] function block 9.7.3.1 Adjusting the heating curve At outdoor temperatures below freezing, the rooms are always too hot or too cold: Adjusting the heating curve 1. Only parameter [Flow at -10 °C] is adjusted. The heating curve is adjusted through the settings of 2.
  • Page 64 1. Change the selector switch to the heating mode position ( Use the arrow keys to reduce parameter [Heating threshold], so that the heating circuit in heating mode switches off at a lower outside temperature, or increase the value. Fig. 9-55: Heating threshold for heating mode www.eta.co.at...

  • Page 65: Text Menu - Adjustable Parameters

    ETAtouch controller [Heating circuit] function block 9.7.4 Text menu - Adjustable parameters 9.7.4.1 Room effect Explanation of [Room effect] Optional: only for room sensor The flow temperature is calculated on the basis of the heating curve and the outside temperature. If the room temperature falls by 1°C, the target flow temperature is increased by this set value.

  • Page 66: Solar] Function Block

    The solar heating system control principle water tank 60 °C), or if the collector is only warmer by The ETA control principle for solar heating systems is the offset [Switch-off diff.] (factory setting 5 °C) than defined so that an adjustable temperature difference the tank, the collector pump is switched off.

  • Page 67: Solar Heating System With 2 Tanks

    ETAtouch controller [Solar] function block 9.8.2 Solar heating system with 2 tanks 9.8.3 Solar heating system for buffer with 2 internal coils Switching between several tanks Switching between two internal coils If the solar heating system charges several tanks (for example, buffer and hot water tanks) it will switch When switching between two internal coils, charging is between tanks on the basis of the currently set...

  • Page 68: Solar Heating System With External Heat Exchanger

    (see chart 78 °C - 74°C = 4 °C) to the temperature difference between the return of the solar heating system and the tank (49 °C - 45 °C = 4 °C). Fig. 9-61: Regulation principle www.eta.co.at...

  • Page 69: Solar Heating System With External Heat Exchanger And Stratified Charging Valve

    ETAtouch controller [Solar] function block 9.8.5 Solar heating system with external solar heating systems with external heat exchangers, experience has shown that most of the heat exchanger and stratified energy from the solar heating system goes to the tank charging valve in this control principle.

  • Page 70: Text Menu - Adjustable Parameters

    The water remains in the solar panel for a short time, 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. The parameter can be found under: State Collector pump Target collector diff. www.eta.co.at...

  • Page 71: Pellet Store] Function Block

    ETAtouch controller [Pellet store] function block [Pellet store] function block Pellet store overview screen Operating condition and information. A description of the operating conditions can be found in the integrated Help menu by pressing the button. Current pellet stock. This is calculated by the control system and can therefore differ by +/- 15% from the actual pellet supply Consumer of the pellet store (boiler)

  • Page 72: Pellet Store With Switch Unit] Function Block

    3000 kg is refilled. The new stock will be registered as head. 4200 kg. The parameter can be found under: Manually changing suction probes Conveying system This button manually switches to the next Switching at enabled suction probe, in order to move the pellets. www.eta.co.at...

  • Page 73: 10 Regular Cleaning

    Regular cleaning 10 Regular cleaning Stop heating, perform ember burnout During the final heating operation with the log boiler, press the [Ember burnout] button in the boiler overview (the button will then be shown in yellow Ember retention is then deactivated and the log boiler performs a complete ember burnout (duration approx.
  • Page 74 Also check the integrity of the seal on the boiler. If it is damaged, the boiler can suck in leak air, causing combustion problems and malfunctions. Fig. 10-5: Opening the latches Fig. 10-8: Check seal www.eta.co.at...
  • Page 75 Regular cleaning Finally, place the cover back on the ash box and secure with the tension locks. Next, connect the ash box to the boiler and secure with the two tension locks at the sides. Switch the pellet burner back to automatic mode with the On/Off switch in the pellet burner overview.

  • Page 76: 11 Heating Value

    (economical methods for preparing split logs), Report Split wood is typically sold in stacks by the stere. The 11, TFZ Straubing, with heating values added by ETA. energy content does not only depend on the kind of wood. The amount of heat contained in a stere also...
  • Page 77 Heating value depends on whether the wood is unsplit round logs, In practice, deviations on the order of +/-10% metre-long split logs, or ready-to-burn split logs, and compared with theoretical values are to be expected. on whether it is fresh from the forest or dried for Up to 20% is possible in extreme cases, not only firewood.

  • Page 78: 12 Low-Emission Operation

    20 mg/m³ can lead to problems in practice. It was determined under laboratory conditions in testing centres that the ETA boiler complies with the new limit values. To be fair, however, it should be noted that high-quality fuels were used and the heating system operated under optimal conditions.

  • Page 79: 13 Heating Water

    Heating water Water hardness 13 Heating water 13.1 Water hardness Determine permissible water hardness for the heating water according to ÖNORM H 5195-1 Table 1 Table 2 Heat producer with large (> 0.3 l/ Heat producer with small (> 0.3 l/ kW) water content kW) water content ≥...

  • Page 80: Refilling

    (below 10% the system volume), then normal tap water can be used. This applies, for example, when replacing a pump or mixer. The heating system is never to be refilled with rainwater, as this is usually contaminated and the pH value is too low. www.eta.co.at...
  • Page 82 www.eta.co.at...
  • Page 84 www.eta.co.at...

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Twin 26 kw

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