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".
Open expansion tanks must not be used. • germany: fuel classes 4/5a according 1. BImSchV. Use fuel classes 5/6/7/8 only after Sufficient power consultation with company ETA. Operation at lower power than the lowest power specified on the type plate is not permitted. 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.
The power consumption of the motors is monitored so 15 Ash box that any sluggishness in the conveyor screws is registered immediately. This triggers the screws to run briefly in reverse, up to three times if necessary. The floor agitator is simultaneously decoupled via the www.eta.co.at...
Page 9
Boiler functionality clutch so the motor's power is exclusively available for boiler unused. The lambda probe ensures optimum unblocking the screw. Jammed pieces of wood or even combustion and maximum fuel utilisation in everyday stones can be easily loosened this way so fuel operation.
(opening temperature 97 °C) to protect the boiler against Fig. 3-1: Fire extinguisher In Germany and Switzerland, fire extinguishers are not required for heating systems in private residences. In spite of this, we recommend having one in the house. www.eta.co.at...
Page 11
Safety Safety devices overheating if the pump fails. The minimum pressure in Install safety valve against overpressure the cold water pipe must be 2 bar and the temperature A safety valve with 3 bar opening pressure must be must not exceed 15 °C. installed on the boiler.
Page 12
If the vent pipe ends above a funnel, its discharge pipe must have a diameter at least double that of the valve inlet. www.eta.co.at...
Changing the fuel Changing the fuel To do so, remove the maintenance cover for the flue WARNING! gas recirculation by loosening the two wing nuts while Switch off the electricity to the boiler via the mains taking care not to damage the seal. switch ...
However, if slag. would be preferable to change the fuel or to retrofit the optional flue gas recirculation in order to sustainably Causes of slag lower the combustion temperature. The causes of slag can be divided into the following categories: www.eta.co.at...
Page 16
Wood chips Carpentry material Miscanthus Adaptations for Water content < 15% < 15% 15 - 25% 25 - 35% < 15% < 20% HACK 20-50 kW Ash/dust content high high high high high high Software parameters [Fuel] [Pellets] [Woodchips] [Woodchips]...
Page 17
Changing the fuel Fuel Pellets Wood chips Carpentry material Miscanthus Adaptations for Water content < 15% < 15% 15 - 25% 25 - 35% < 15% < 20% HACK 63-90 kW Ash/dust content high high high high high high Software parameters [Fuel] [Pellets] [Woodchips] [Woodchips]...
When empty it makes a hollower sound like a drum. Fig. 5-2: Check ash If there are large pieces of slag in the ash, the combustion chamber and the tilting grate must be checked and the de-ashing interval reduced, if necessary. www.eta.co.at...
Page 19
Empty the ash box Inspect the seal on the ash box lid to ensure it is in good order, and replace it if necessary. Fig. 5-3: Seal Inspect the integrity of the ash box seals on the boiler, replace them if necessary. Fig.
Help button. Details can be found in chapter 6.1.3 "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 6.1.7 "meinETA remote control" System configuration www.eta.co.at...
ETAtouch controller Getting to know the control system 6.1.1 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...
Changing a parameter is simple. Select this and tap symbol. The settings window appears. Fig. 6-6: Activated help in the user interface Fig. 6-5: Settings window Factory setting and adjustment range Reset to factory setting Save and close Cancel and close www.eta.co.at...
ETAtouch controller Getting to know the control system 6.1.4 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.
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...
ETAtouch controller Getting to know the control system 6.1.6 Getting started 6.1.6.2 Setting the language 6.1.6.1 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 26
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. 6-19: Overview of the settings menu www.eta.co.at...
Page 27
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 28
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 29
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.
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 31
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. 6-34: Settings window for remote control After successful activation, options appear for remote control in the settings window.
This is only displayed if it has been installed. When de-ashing, a line appears and the symbol is displayed in yellow. Special conveyor for the boiler. This is only displayed if a special conveyor for the boiler has been installed. www.eta.co.at...
ETAtouch controller [Boiler] function block – HACK temperature for measurement purposes. By pressing Adjustable parameters the [Start now] button, the boiler will immediately Boiler begin preparations for a subsequent measurement. Settings Fuel Flue gas recirculation Ash removal De-ash after min. De-ash after max.
Page 34
De-ash after max. Boiler Residual O2 The de-ashing interval may only be modified after Increase O2 target value consultation with a specialist or ETA customer service. 6.2.2.4 Setting the idle time for heat exchanger de-ashing Explanation of [Begin idle time WT cleaning] and...
Page 35
ETAtouch controller [Boiler] function block – HACK...
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...
ETAtouch controller [Buffer] function block 6.3.1 Setting the buffer charging times 6.3.2 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).
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 39
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. 6-40: 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...
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 41
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 42
[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 43
ETAtouch controller [Buffer] function block • In the function block for the hot water tank, heating 6.3.4.13 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 44
[Buffer] function block ETAtouch controller The parameter can be found under: Hot water tank Circulation Enable circulation www.eta.co.at...
Page 45
ETAtouch controller [Buffer] 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 6.4.1 "Setting the hot water charging times". www.eta.co.at...
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 tem- Commonly used parameters can be found in the peratures can be adjusted in the settings (...
Page 48
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 49
ETAtouch controller [Hot water tank] 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...
ETAtouch controller [Fresh water module] function block 6.5.1 Setting the hot water charging times 6.5.2 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 52
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 53
ETAtouch controller [Fresh water module] 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 6.6.1 "Operating elements". www.eta.co.at...
ETAtouch controller [Heating circuit] function block 6.6.1 Operating elements 6.6.2 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.
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 57
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 58
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. 6-50: ETA room sensor customer service.
Page 59
ETAtouch controller [Heating circuit] function block 6.6.3.1 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 60
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. 6-54: Heating threshold for heating mode www.eta.co.at...
ETAtouch controller [Heating circuit] function block 6.6.4 Text menu - Adjustable parameters 6.6.4.1 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.
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.
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...
(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. 6-60: Regulation principle www.eta.co.at...
ETAtouch controller [Solar] function block 6.7.5 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.
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 67
ETAtouch controller [Solar] 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.
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.
[GM-C2] circuit board, the output or temperature demand heat from the ETA heating system. 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.
ETAtouch controller [External heat demand] function block 6.9.1 Setting the charging times The parameter can be found under: External demand Open the overview screen of the set charging Enable temperature times and temperatures The standby times for the heat consumers and the set 6.9.2.2 Frost protection temperatures are adjusted in the settings (...
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 pro- tection]. www.eta.co.at...
Page 73
ETAtouch controller [Heating pipeline] function block...
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 [Ext. conveyor] ([ExtConv]) function block.
Page 75
ETAtouch controller Function block [special conveyor] and [external conveyor] The two agitators take it in turns to supply the boiler You can find this parameter in the boiler function with fuel. In order to ensure that the fuel deposit is block under: emptied at a steady rate, the system switches between Intermediate conveyor screw...
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.
Filling the storage room Filling the storage room Before filling the fuel store After filling, switch the boiler back to normal mode. In doing so, reset the [fill floor agitator] function to [No]. If Before filling, the conveyor and boiler must be fully this is not done, the boiler will automatically switch assembled and connected.
Drop chute safety switch After removing the blockage, replace the covers and switch the boiler back on with the mains switch. Ash screw jammed If the ash screw is stuck, a corresponding warning will be displayed on the screen. www.eta.co.at...
Page 79
Rectifying problems 4. Remove the cover on the front. Press the button on 1. End the boiler's heating mode with the On/Off the tilting grate's actuator and tilt the grate with the switch in the boiler overview window. As supplied tool. soon as the [Switched off] operating condition is displayed, switch off the boiler with the mains switch.
Forest- limited water content (25% maximum). Also ensure chopped wood chips from fresh branches are not fit f or storage and reduce the achievable boiler output si gnificantly. www.eta.co.at...
Information on fuel Moist fuel Wood that has been stored in damp conditions for a l hand have a water content below 25% and can be ong time (10 years) has lost up to 50% stored without problems. If they feel wet, the water of its heating value.
Leave green branches in the forest as nutrients moisture (%) x 100 Leave green branches and treetops in the forest; as Water content (%) = 100% + moisture (%) fuel they are only "air and water". As valuable nutrients, they should remain in the forest. www.eta.co.at...
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 84
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...
Information on fuel Other fuels Other fuels Other fuels Pellets Pellets have a higher fuel density and can only be burned with flue gas recirculation. Pellets are always sold by weight. The heating value of hardwood pellets (4.60 kWh/kg) is about 6% less than that of softwood pellets (4.9 kWh/kg).
A cubic metre (rm) corresponds to 1 m³ layered round logs/logs (1 m length) with air gaps. b. A loose cubic metre (srm) corresponds to 1 m³ of loosely dumped wood chips. c. A solid cubic metre (fm) corresponds to 1 m³ wood without air gaps. www.eta.co.at...
Emission measurement 10 Emission measurement Why measure emissions? Prepare and perform emissions measurement It is a requirement for the carbon monoxide (CO) 1. The boiler must be switched on with the On/Off emissions of every boiler to be measured periodically. switch.
Page 88
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...
Conifer wood chips without bark according to EN Department of the Environment respectively. ISO 17225-4 with the designation "P31S M25 F05 The ETA HACK 20, 25, 35, 45, 50, 70, 90, 130 and A0.5" 200 kW boiler has been recommended as suitable for •...
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...
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.