eta eHACK 60-80 kW Operation
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eta eHACK 60-80 kW Operation

Wood chip boiler
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2022-04-12
EN
0000000352
V.010
3.55.0
5111
93085-001
Wood chip boiler
eHACK 60-80 kW
Operation

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  • Page 1 2022-04-12 0000000352 V.010 3.55.0 5111 93085-001 Wood chip boiler eHACK 60-80 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 Energy Labelling ..............104 www.eta.co.at...

  • Page 5: General

    General Preface General Preface ETA boiler. A LAN cable is required for the connection from the ETAtouch control system to the internet modem. Dear customer, Details for the remote control can be found in the This user manual provides important information and manual "Communication platform meinETA".

  • Page 6: Warranty, Guarantee And Liability

    • Measures for avoiding the danger 1. BImSchV. Use fuel classes 5/6/7/8 only after consultation with company ETA. Operation with unsuitable fuels, in particular high- Types of safety instruction slag pellets from grain waste, for example, or corrosive fuels such as miscanthus fertilised with CAUTION! potassium chloride, is prohibited.
  • Page 7 For repairs of defects carried out by the customer or by must be between 8 and 9. 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 Use a sufficient number of shut-off valves Heiztechnik GmbH.

  • Page 8: Description

    Release button for safety temperature limiter (STB) Mains switch (symbol Maintenance switch (symbol Screen for the ETAtouch control system Door contact switch Combustion chamber door Insulation door Lever to lock the ash box in boiler Ash box www.eta.co.at...
  • Page 9 Description The firebed switch as well as the firebed level sensor The maintenance switch is marked with the are located behind the cover on the front of the boiler. symbol and has two settings. • "1" = regular operation This is the standard position of the maintenance switch.
  • Page 10 To end maintenance prematurely, press the right arrow key several times until you get to the end. There you can end the maintenance with the button. Cancellation during a maintenance step is not possible. Fig. 2-6: Lever www.eta.co.at...
  • Page 11 Description This then allows damping of the heat exchanger cleaner to be set when high quality fuel is used. This is done by engaging the lever in one of the lower positions. The impact noise of the cleaning is also reduced by this.

  • Page 12: Safety

    This action prevents the boiler temperature from rising further and triggering further safety devices such as the safety temperature limiter and the thermal relief valve. www.eta.co.at...
  • Page 13 Safety Safety devices The heat dissipation is limited by the maximum A separate connection is already available on the flow temperature set in the heating circuits and boiler for the safety valve (see following graphic). the target hot water temperature. The safety valve must be connected to it.

  • Page 14: Changing The Fuel

    If the water content and density are known, these parameters must also be adjusted. Changing the fuel, density and water content in the control system is described in chapter 6.2.2 "Text menu - Adjustable parameters". www.eta.co.at...

  • Page 15: Slag

    Changing the fuel Slag To adjust the position, loosen the screw, turn the the grate, and its de-ashing parts as well as firebed level sensor and fix it in place with the screw. malfunctions and unnecessary additional maintenance The positions for the fuels are visible on the sticker demands.
  • Page 16 Slag Changing the fuel A too-high flue draught can also cause slag by reducing the effectiveness of the flue gas recirculation. If the flue draught is over 15 Pa, a draught limiter is required. www.eta.co.at...

  • Page 17: Empty The Ash Box

    Empty the ash box Empty the ash box The ash box can be lifted on the bottom with a Stop heating handcart and transported. Stop the heating mode of the boiler with the on / off switch in the overview of the boiler. The boiler emits a glowing charge and then switches to operating mode [Switched off].
  • Page 18 Check that the ash box seal on the boiler is intact and Switch the boiler back on using the on / off replace it if necessary. switch . Fig. 5-5: Seal Attaching the ash box to the boiler Open the flap on the ash box. www.eta.co.at...

  • Page 19: Etatouch Controller

    ETAtouch controller Getting to know the control system ETAtouch controller Getting to know the control listed in the uppermost row on the screen. The respective user interface is opened with a single tap of system the finger. Get to know the control system Take your time and read the following chapter carefully.

  • Page 20: User Interface

    "Messages". commonly used can be stored. For the heating circuit, for example, the heating times and the heating curve are adjusted here. Graphic display of the heating times and room temperatures settings Different operating modes of the heating circuit www.eta.co.at...

  • Page 21: Text Menu

    ETAtouch controller Getting to know the control system 6.1.2 Text menu Resetting to factory settings is done by pressing the [Factory settings] button. To cancel and close the window, tap the arrow on the left side of the screen. Adjust parameters in the text menu Only modify parameters whose function you're To enter the text menu, tap in the upper left on the familiar with.

  • Page 22: Messages

    Other errors and alarms can only be acknowledged after the cause has successfully been remedied. Once an error or alarm has been resolved and acknowledged, you must restart the boiler or the affected function block. www.eta.co.at...

  • Page 23: Inputs And Outputs

    ETAtouch controller Getting to know the control system If there are several errors, a list appears when you tap Below is an example of the function block of the on the error symbol at the bottom of the screen. heating circuit. To view the terminal assignment, first select the heating circuit.

  • Page 24: Getting Started

    To close the system configuration, simply tap on the symbol again. Fig. 6-17: Date and time Using the arrow keys, set the time. Tap on the date field to open the calendar. Save the new setting and then tap on the symbol to close the system configuration. www.eta.co.at...
  • Page 25 ETAtouch controller Getting to know the control system 6.1.6.4 Changing the names of function To change the name, tap on the [Change name] blocks symbol. An on-screen keyboard appears in order to enter the new name. Renaming function blocks You can individually adapt the names of function blocks to make them easier for you to recognise.
  • Page 26 In some function blocks, the time window for charging the tank (for example the buffer and hot water tank), or the operating times (for example for the heating circuit) are set. This time window must be created in the settings of the respective function block. www.eta.co.at...
  • Page 27 ETAtouch controller Getting to know the control system 3. An overview opens. Setting the charging times 1. In the overview, select the charge time. In each field, use the arrow keys ( ) to set the time and temperature. Fig. 6-26: Setting time slot and temperature In this example, the hot water is charged between 08:00 a.m.
  • Page 28 Sunday. deactivate the key lock (unlock code) and save it. If you confirm this message, the key lock is activated. If you forget the unlock code, please contact ETA customer service. They can deactivate the key lock again. Fig. 6-30: Select days of the week Pressing the [Mark all days] button marks all days.

  • Page 29: Meineta Remote Control

    If none are available, an internet connection can be established using a dLAN adapter via the in-house power grid. This dLAN adapter is also available from ETA. Fig. 6-33: dLAN network Worldwide access via www.meinETA.at Remote control via the free internet platform www.meinETA.at.
  • Page 30 Fig. 6-35: On-screen keyboard For control systems without a boiler, enter "BEP- 00.0000-000" as production number. Then press the [Register now] button. The activation is now performed (if an internet connection is available). If this is successful, the symbol for remote www.eta.co.at...

  • Page 31: Favourites

    ETAtouch controller Getting to know the control system 6.1.8 Favourites Parameters that have already been added are displayed with the button. You can change the display sequence with the arrow keys. With the The "Favourites" function button you can delete a parameter from this group, and With the "Favourites"...
  • Page 32 Fig. 6-44: Positioning parameters Save the adjustment and close the favourites menu. To display the custom view, tap the icon in the overview and then tap the new icon Fig. 6-42: Overview of favourite groups Fig. 6-45: Custom view www.eta.co.at...

  • Page 33: Usb Camera

    ETAtouch controller Getting to know the control system 6.1.9 USB camera Displaying the values of the favourites parameters Tap on the icon in the overview and then on icon to see the individual parameters and Connecting the USB camera to the control system their values.

  • Page 34: Boiler] Function Block - Ehack

    This relates to the set time of the consumer, a yellow line appears beside the flow measurement. During this period no heating operation temperature and the symbol of the consumer in the will be started, so that the heating system has time to overview. cool down. www.eta.co.at...

  • Page 35: Text Menu - Adjustable Parameters

    Settings menu needs to be adjusted. Only change the de-ashing In the settings menu ( [Settings] button in the interval following consultation with a specialist or ETA overview), the following functions and parameters can customer service. also be set: Explanation of [Empty ash box after]...

  • Page 36: Bufferflex] Function Block

    For this reason, it is advisable to set generous charging times. A solar heating system connected to the buffer can charge it at any time, regardless of the set buffer charging times. www.eta.co.at...

  • Page 37: Setting The Buffer Charging Times

    ETAtouch controller [BufferFlex] function block When the buffer is the only heat producer in the 6.3.1 Setting the buffer charging times heating system, the buffer charging times also indirectly determine the operating hours of the boiler. Open the overview of the charging times set Because it can only switch to heating mode within the The charging times of the buffer can be adjusted in the buffer charging periods.

  • Page 38: Setting Warnings

    Fig. 6-55: Stratified charging of the buffer In the "BufferFlex" text menu, different settings for the [Solar storage strategy] parameter are possible (see chapter 6.3.5 "Text menu - Adjustable parameters", parameter [Solar storage strategy]) for stratified charging of the buffer by the solar heating system. www.eta.co.at...

  • Page 39: Buffer As A Combination Tank

    ETAtouch controller [BufferFlex] function block 6.3.4 Buffer as a combination tank 6.3.4.1 Setting the hot water charging times Opening charging times and temperature for hot "BufferFlex" with integrated hot water tank or coils water with a combination tank The current hot water temperature is shown at the top The charging times for the hot water and the set of the screen by the water tap icon.

  • Page 40: Text Menu - Adjustable Parameters

    End solar priority all components of the heating system are controlled by Min. Outside temp. Solar priority the ETA control system. A higher value is required if peaks in output have to be covered or very fast heat Consumers availability is needed.
  • Page 41 ETAtouch controller [BufferFlex] function block The value should be at least 5 - 10 °C above the Explanation of [Buffer top min. solar] average return temperature of the consumers, Optional: only for solar heating systems with stratified but no more than 70 °C. A high shutdown temperature charging reduces the number of boiler starts and improves With stratified charging by the solar heating system,...
  • Page 42 10 minutes. This means that it can only be requested at the allocated temperature sensor must be again by the control system after 13 minutes. exceeded. Explanation of [Enable circulation] Explanation of [Switch-on difference] Optional: only for circulation pump Optional: only with combination tank www.eta.co.at...
  • Page 43 ETAtouch controller [BufferFlex] function block This parameter defines the minimum temperature of the hot water tank for starting the circulation pump. The circulation pump only starts once the hot water tank has exceeded this temperature.

  • Page 44: Hot Water Tank] Function Block

    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 6.4.1 "Setting the hot water charging times". www.eta.co.at...

  • Page 45: Setting The Hot Water Charging Times

    ETAtouch controller [Hot water tank] function block 6.4.1 Setting the hot water charging times 6.4.2 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 Commonly used parameters can be found in the temperatures can be adjusted in the settings (...
  • Page 46 (e.g. by sink, shower ...), because otherwise an incorrect time is measured. Explanation [Circulation pause] Optional: only for circulation pump This parameter sets the pause after a circulation pump operation. The control system can only restart the circulation pump after this pause/break has expired. www.eta.co.at...
  • Page 47 ETAtouch controller [Hot water tank] function block...

  • Page 48: Fresh Water Module] Function Block

    To do this, the "self-learning" function must be switched off (= parameter [Self-learning] to [No]). The operating times of the circulation pump are now set manually, for example from 10:00 am to 2:00 pm . Within these time windows, the circulation pump alternately starts and pauses, www.eta.co.at...

  • Page 49: Setting The Hot Water Charging Times

    ETAtouch controller [Fresh water module] function block based on the set runtimes and pauses, regardless 6.5.1 Setting the hot water charging times of whether hot water is currently being drawn or not. Open the overview screen of the set charging Example: times and temperatures Time window = 10:00 am to 2:00 pm...

  • Page 50: Text Menu - Adjustable Parameters

    This function is also called the "Auto parameter [Circulation runtime]. Loop" function. This function is set to [Yes] by default. If [No] is set, the operating times for the circulation pump can be set manually. Explanation [Circulation runtime] Optional: only for circulation pump www.eta.co.at...
  • Page 51 ETAtouch controller [Fresh water module] function block...

  • Page 52: Heating Circuit] Function Block

    This means that the room sensor only regulates to the set reduced room temperature [Set-back temperature outside the time window]. Without a room sensor, the heating circuit is controlled with the heating curve for the reduced operation mode. www.eta.co.at...

  • Page 53: Operating Elements

    ETAtouch controller [Heating circuit] function block Switching between heating and reduced operation Adjusting the required room temperature takes place automatically when the button is used This field is only displayed if a room sensor in the user interface to select the [Timer] operating is installed for the heating circuit.

  • Page 54: Setting The Heating Time Slots

    Setting absent time (holiday function) In each heating circuit, a time frame can be defined for reduced temperature mode. The heating circuit is then operated with the lowest reduced-temperature set. This function is also called the holiday function. www.eta.co.at...

  • Page 55: The Heating Curve

    (blue line) Heating limit for reduced-temperature mode Parameters for setting the heating curve and the If an ETA room sensor is installed for the heating heating limits circuit, the flow temperature calculated on the Change settings for the heating curve in heating basis of the heating curve is corrected.
  • Page 56 When should the heating curve be adjusted? temperature on the ETA room sensor If the rooms are not warming up, you should check the • If a room is too cold, check the room sensor, or in...
  • Page 57 Explore this in efficient. consultation with your heating contractor or ETA customer service. At outdoor temperatures above freezing, the rooms are always too hot or too cold: 1.
  • Page 58 A hysteresis of 2 °C is factored in for restarting. screed. Changes in parameters [Set-back difference] Accordingly, the heating circuit will switch on only are therefore often not noticeable. once the outside temperature falls below 16 °C (=18 °C - 2 °C). www.eta.co.at...

  • Page 59: Text Menu - Adjustable Parameters

    ETAtouch controller [Heating circuit] function block 6.6.4 Text menu - Adjustable parameters Setting the heating limit for reduced-temperature mode 1. Move the selector switch to the reduced- Adjustable parameters temperature mode position ( ) and Heating circuit adjust the [Heating threshold] parameter with the Room arrow keys.

  • Page 60: 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 difference] (factory setting 5 °C) defined so that an adjustable temperature difference than the tank, the collector pump is switched off.

  • Page 61: Solar Heating System With 2 Tanks

    ETAtouch controller [Solar] function block 6.7.2 Solar heating system with 2 tanks 6.7.3 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 62 (for charging the buffer). As long as the requested temperature of the consumers and the [Buffer top min. solar] in the buffer at the top are not fulfilled, charging only takes place upwards, unless the boiler is charging into the buffer. www.eta.co.at...

  • Page 63: Solar Heating System With External Heat Exchanger

    ETAtouch controller [Solar] function block 6.7.4 Solar heating system with external solar heating systems with external heat exchangers, experience has shown that most of the heat exchanger energy from the solar heating system goes to the tank in this control principle. Solar heating system with external heat exchanger The control principle is the same as in a solar heating system with just one tank, see chapter...

  • Page 64: Solar Heating System With External Heat Exchanger And Stratified Charging Valve

    The secondary feed temperature rises when the there are fewer losses via the solar panel. collector temperature increases or the speed of the secondary pump decreases. www.eta.co.at...
  • Page 65 ETAtouch controller [Solar] function block...

  • Page 66: Aux.boiler] Function Block

    In heating systems with a buffer, the burner is only put into operation if the buffer requests a capacity that is higher than that of the ETA heating boiler. For heating systems without a buffer, the burner is only put into operation when the ETA heating boiler does not reach the required output.

  • Page 67: Setting The Charging Times

    ETAtouch controller [Aux.boiler] function block The burner charge pump is started by the ETA 6.8.1 Setting the charging times control system if the burner temperature is higher than the enabling temperature of the charging Open the overview screen of the standby time pump [Enable AuxBoilChargePump].
  • Page 68 This parameter is used to set the duration of a delay in the operation of the auxiliary boiler after the ETA control system has demanded it. If there is still a demand by the ETA control system after this period ends, then the auxiliary boiler will begin operation.
  • Page 69 ETAtouch controller [Aux.boiler] function block...

  • Page 70: External Heat Demand] Function Block

    ETA heating system. [GM-C2] circuit board, the output or temperature required by the heat consumer can be communicated to the ETA control system via an analogue signal (0-10 V or 4-20 mA). Operating condition and information.

  • Page 71: Setting The Charging Times

    ETAtouch controller [External heat demand] function block 6.9.1 Setting the charging times Explanation of [Enable temperature] This parameter is used to set the minimum temperature of the heating system for starting the Open the overview screen of the set charging charging pump of the external heat consumer.

  • Page 72: Heating Pipeline] Function Block

    If the outside temperature drops below the set frost protection limit (factory set at -20 °C), the remote pump remains in operation until the outdoor temperature is at least 2 °C higher than the set temperature [Frost protection]. www.eta.co.at...
  • Page 73 ETAtouch controller [Heating pipeline] function block...

  • Page 74: Function Block [Precipitator]

    Function block [precipitator] ETAtouch controller 6.11 Function block [precipitator] Overview of the precipitator Operating condition and information. A description of the operating conditions can be found in the integrated Help menu by pressing the button. Actual voltage value Actual current value www.eta.co.at...
  • Page 75 ETAtouch controller Function block [precipitator]...

  • Page 76: Function Block [Special Conveyor] And [External Conveyor]

    Conveyors with a drive power up to 1.1 kW are controlled in the [Special conveyor] ([SpConv]) function block. This covers all ETA conveyors. Conveyors with a higher drive power are controlled in the [External conveyor] ([ExtConv]) function block.

  • Page 77: Double Agitator

    ETAtouch controller Function block [special conveyor] and [external conveyor] 6.12.2 Double agitator 6.12.2.1 Switching time (for double agitator) Explanation Double agitator overview This parameter sets the length of time for which an When two agitators transport the fuel to a discharge agitator is in operation to supply fuel.

  • Page 78: Agitator] Function Block

    If the agitator is enabled, the Agitator overview ETA boiler can activate it when needed. If the agitator This function block is used to control an agitator is switched off, the boiler switches to [Locked] mode without conveyor screws and with a separate drive.

  • Page 79: Filling The Storage Room

    Filling the storage room Filling the storage room Start the floor agitator by means of the control system. Preparations Before filling, the conveying system and boiler must be fully assembled and connected. Perform visual inspection conveying system for any damage or foreign body. CAUTION! Property damage through use of the floor agitator Moving over the floor agitator will damage the spring...
  • Page 80  At the beginning of filling, pour the fuel onto the centre of the top plate. www.eta.co.at...

  • Page 81: Rectifying Problems

    Rectifying problems Fuel conveying system Rectifying problems Before removing the blockage switch off the boiler at WARNING! the mains switch. Open the maintenance cover to fix Switch boiler power supply the fault. prior to troubleshooting  Switch off the electricity supply to the boiler via the mains switch prior to troubleshooting.

  • Page 82: Ash Screw

    Fig. 8-6: Inserting a sliding disk 7. Push the ash screw back into the ash duct and secure it with the screw. Reconnect the ash box and switch the boiler back on at the mains switch. www.eta.co.at...

  • Page 83: Tilting Grate

    Rectifying problems Tilting grate Tilting grate To check, start the de-ashing with the [De-ashing] button. If no error message appears switch the boiler back on with the on / off switch . If an error Tilting grate stuck message appears check the tilting grate. If the tilting grate is stuck, a corresponding warning will be displayed on the screen.
  • Page 84 / off switch . Check the the fuel discharge on the left side of the boiler ash screw if an error message appears. Do not turn the tilting grate in the opposite direction as this can damage the firebed lever. www.eta.co.at...

  • Page 85: Heat Exchanger Cleaning

    Fig. 8-13: Cover If you cannot find the cause of the fault please contact 2. Remove the drive. ETA customer service. Check the adjustment of the heat exchanger cleaning The following illustration applies to a boiler with fuel discharge on the left side. The steps are equally representative of a boiler with the fuel discharge on the right side.
  • Page 86 3. Re-install the cover and the drive. Fig. 8-17: Nuts 2. Turn the crank by hand until you reach bottom dead centre. Then adjust the 1 mm play to the bolt and re-tighten the nuts with 20 Nm torque. www.eta.co.at...

  • Page 87: Precipitator

    Fig. 8-25: "Correct distance". If you cannot find the cause of the fault please contact ETA customer service. Fig. 8-20: Cover 2. The correct distance between the sensor and plate Checking the cleaning lever must be 2-3 mm. If not, adjust this distance with the aid of the nuts on the sensor.
  • Page 88 Fig. 8-23: Lever Fig. 8-25: Correct distance 3. Replace the maintenance cover of the heat 3. Then replace the cover. exchanger cleaner. Tighten the screws alternately and evenly. Reinstall the side panels of the boiler. www.eta.co.at...

  • Page 89: Information On Fuel

    Information on fuel Suitable fuels Information on fuel Suitable fuels that the wood contains no contaminants. The applicable laws only allow the use of untreated wood without foreign substances for heating purposes. The amount of ash depends on the fuel Ash is the non-flammable residue from the wood.

  • Page 90: Moist Fuel

    25% and can be hot summer days. Good results can also be had on stored without problems. If they feel wet, the water sunny autumn days if you turn the chips over several content is sure to be above 35%. www.eta.co.at...

  • Page 91: Water Content

    Information on fuel Water content Water content times. Two days are usually enough to attain a water content below 30%, making the chips fit for storage even under poor conditions. Using an oven to determine water content A kilogram of wood chips is spread out on a baking Drying in a covered mesh enclosure sheet and dried in an oven for 6 to 12 hours at 101 to When building a new wood chip storage facility, roofed...
  • Page 92 Water content Information on fuel Converting moisture to water content moisture (%) x 100 Water content (%) = 100% + moisture (%) www.eta.co.at...

  • Page 93: Judging The Quality

    Information on fuel Judging the quality Judging the quality Judging the quality Criterion Comments Ash content Contaminated material burns poorly and is often a sign of decayed or dirty wood chips. Large pieces Fuel may contain individual, large pieces up to 20 cm long. They are cut by the blade in the rotary valve.
  • Page 94 The bark content has little influence on the heating value per ki logram, but a high bark content means a higher ash content an d more time spent on cleaning. Small branches Wood chips from small branches usually have a high degree of Small branches -25% decay. www.eta.co.at...

  • Page 95: Heating Value

    Information on fuel Heating value Heating value Heating values of fuels Cubic metre (rm) Loose cubic metre (srm) Heating val- Logs Wood chips P16S Wood chips P31S ue based Heating val- Heating val- Heating val- on weight Weight Weight Weight Water con- tent kWh/...

  • Page 96: 10 Emission Measurement

    "Attractive" right-angle flue offsets with two or more bends are bad in a flue pipe. The optimum to strive for is the shortest pipe from the boiler to the chimney with a minimum of directional www.eta.co.at...

  • Page 97: Adjustable Parameters

    Long horizontal flue pipes to the chimney must have a If the boiler is equipped with a precipitator from ETA narrow cross-section and above-average insulation (> (either integrated in the boiler or mounted externally), 50 mm). Provide enough cleaning openings in the flue emissions must be measured after the precipitator.

  • Page 98: Perform Emissions Measurement

    After measuring emissions, switch back to the original operating mode and room temperature. www.eta.co.at...
  • Page 99 Emission measurement Perform emissions measurement measurement will be displayed. The emissions Preparing performing emissions measurement is to be carried out during this measurement period. The measurement takes about 2 to 1. The boiler must be switched on with the On/Off 3 hours.

  • Page 100: 11 Low-Emission Operation

    "exempt" appliance ("exempted" from the It was determined under laboratory conditions in controls which generally apply in the smoke control testing centres that the ETA boiler complies with the area). new limit values. To be fair, however, it should be noted...
  • Page 101 Low-emission operation Use only wood chips according to EN ISO 17225-4 with quality classes A1/A2/B1/B2, size P16S-P31S and a maximum water content of 35% (M35).

  • Page 102: 12 Heating Water

    This and is dispersed evenly throughout the system without method does not remove salt from the water. It localised corrosion. replaces the calcium in the lime with sodium from the salt, and has considerable advantages. It is cheap and www.eta.co.at...

  • Page 103: Refilling

    Heating water Refilling Complete desalination not required If there is no aluminium (heat exchanger in the gas boiler or aluminium radiator) in the system, then costly complete desalination with ion exchange cartridges or osmosis is not required. Lime stabilisation can be dangerous The addition of lime stabilising agents prevents limescale.

  • Page 104: 13 Energy Labelling

    "package-system" (boiler with temperature controller). The emission values refer to a residual oxygen content of 10% O Manufacturer: ETA Heiztechnik GmbH, Gewerbepark 1, A-4716 Hofkirchen an der Trattnach eHACK 60-80 kW wood chip boiler Unit...
  • Page 105 Energy Labelling eHACK 60-80 kW wood chip boiler Unit 60EP 70EP 80EP Energy efficiency class "package-system" Energy efficiency index "package-system" Seasonal space heating energy efficiency ηs Seasonal space heating emissions - particulate matter mg/m³ <30 <30 <30 <30 <40 <40 Seasonal space heating emissions - organic gaseous mg/m³...
  • Page 106 www.eta.co.at...
  • Page 108 DOWNLOAD www.eta.co.at...

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