Related Manuals for eta PelletsUnit 7 kW
Summary of Contents for eta PelletsUnit 7 kW
- Page 1 2022-04-05 0000000278 V.011 3.55.0 1515 93046-003 PelletsUnit 7 - 15 kW Service manual...
- 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...
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Page 3: Table Of Contents
Contents General information ..............4 Cleaning and maintenance . -
Page 4: General Information
Commissioned by (company): _________________________________________ _________________________________________ _________________________________________ Copyright All contents of this document are property of ETA Heiztechnik GmbH and are protected by copyright. Any reproduction, transfer to third parties or use for other purposes is prohibited without written permission from the owner. -
Page 5: Cleaning And Maintenance
Cleaning and maintenance Maintenance notes Cleaning and maintenance Maintenance notes To access maintenance, switch to settings in the boiler function block ( [Settings] button) and then select the function [Maintenance]. Performing regular cleaning and maintenance To ensure satisfactory functionality, cleaning and maintenance must be performed at regular intervals. - Page 6 Lambda probe). Handle the components carefully, since they break very easily. Measure or check dimensions or clearances on the components. Fig. 2-4: Maintenance switch Mark the components so that the correct po- sition can be determined, for example, when mounting. www.eta.co.at...
- Page 7 Cleaning and maintenance Maintenance notes Wear a protective mask to avoid damage to the airways. Seal the components. The sealant to be used is listed in the respective step. Insulate the components. The insulation ma- terial to be used is indicated in the respective step.
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Page 8: Maintenance Openings In The Boiler
Maintenance openings in the boiler Cleaning and maintenance Maintenance openings in the boiler Maintenance openings and components Lambda probe Heat exchanger cover Vacuum turbine for the pellet transport Firebed switch Stoker drive chain Water pressure sensor Ignition Position switch for the ash box www.eta.co.at... - Page 9 Cleaning and maintenance Maintenance openings in the boiler Fill level sensor for the pellet hopper Safety valve Flue gas temperature sensor Draught fan Filling and draining valve Vacuum sensor De-ashing the drive chain...
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Page 10: Maintenance Table
Clean strainer Check the stoker unit Specialist • Check stoker drive chain Check the de-ashing Specialist • Check the de-ashing drive chain Calibrate the vacuum sensor Specialist Calibrating the lambda probe Specialist Reset maintenance counter Specialist Perform heating test Specialist www.eta.co.at... - Page 11 Cleaning and maintenance Maintenance table...
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Page 12: Regular Maintenance
Fig. 3-2: Lid Check the ashes for pieces of embers. Never put hot ash into the waste bin! Check if the seal in the lid of the ash box is intact and replace if necessary. Fig. 3-3: Seal www.eta.co.at... -
Page 13: Check Pressure Of The Heating System
Regular maintenance Check pressure of the heating system Check pressure of the heating Check that the ash box seal on the boiler is intact and replace it if necessary. system Checking the heating system's water pressure In buildings with up to three storeys, the optimum water pressure in a cold heating system is between 1 and 2 bar. -
Page 14: Establish Operational Readiness
(e.g. treated water). Establish operational readiness Switching on the boiler Switch the boiler back on using the on / off switch . www.eta.co.at... - Page 15 Regular maintenance Establish operational readiness...
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Page 16: Cleaning (Customer)
Fig. 4-2: Lid Check the ashes for pieces of embers. Never put hot ash into the waste bin! Check if the seal in the lid of the ash box is intact and replace if necessary. Fig. 4-3: Seal www.eta.co.at... -
Page 17: Check Pressure Of The Heating System
Cleaning (customer) Check pressure of the heating system Check pressure of the heating Check that the ash box seal on the boiler is intact and replace it if necessary. system Checking the heating system's water pressure In buildings with up to three storeys, the optimum water pressure in a cold heating system is between 1 and 2 bar. -
Page 18: Check Safety Devices
Therefore, only carry out the check on weekdays, never on weekends in the cold winter, because there is probably no heating technician available if the seal is defective. www.eta.co.at... -
Page 19: Chimney
Cleaning (customer) Chimney Chimney Cleaning the combustion chamber Clean the flue duct Sweep the flue duct from the flue outlet to the chimney Remove the cover on the top and remove the fly ash from the chimney with an ash Remove the cover from the top of the boiler. - Page 20 Remove the combustion chamber cover from the Fig. 4-15: Cleaning the inner walls combustion chamber with the poker. Cleaning the ignition tube Clean the ignition tube by suction and carefully remove any deposits. Fig. 4-14: Combustion chamber cover Fig. 4-16: Ignition tube www.eta.co.at...
- Page 21 Cleaning (customer) Cleaning the combustion chamber Checking the movability of the firebed switch Checking the heat exchanger tubes Check the movement of the firebed lever in the Check the heat exchanger tubes and the turbulators combustion chamber by repeated lifting. for "tar deposits"...
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Page 22: Establish Operational Readiness
Switch the boiler back on at the mains switch. Press the [De-ashing] button for the boiler to start the de- ashing process. Switch the boiler back on using the on / off switch Fig. 4-22: Heat exchanger cover www.eta.co.at... - Page 23 Cleaning (customer) Establish operational readiness...
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Page 24: Maintenance (Expert)
Check if the seal in the lid of the ash box is intact and replace if necessary. Allow the boiler to cool down sufficiently before starting any activities. Fig. 5-3: Seal www.eta.co.at... -
Page 25: Check Pressure Of The Heating System
Maintenance (expert) Check pressure of the heating system Check pressure of the heating Check that the ash box seal on the boiler is intact and replace it if necessary. system Checking the heating system's water pressure In buildings with up to three storeys, the optimum water pressure in a cold heating system is between 1 and 2 bar. -
Page 26: Check Safety Devices
Therefore, only carry out the check on weekdays, never on weekends in the cold winter, because there is probably no heating technician available if the seal is defective. www.eta.co.at... -
Page 27: Chimney
Maintenance (expert) Chimney Chimney Removing panels Clean the flue duct Remove the cover on the top Sweep the flue duct from the flue outlet to the chimney Remove the cover from the top of the boiler. and remove the fly ash from the chimney with an ash vacuum cleaner. -
Page 28: Cleaning The Combustion Chamber
Fig. 5-14: Side cover Removing the cover from the front Remove the cover from the front of the boiler. Fig. 5-16: Insulation Loosen the wing nuts and remove the heat exchanger cover. Fig. 5-17: Heat exchanger cover Fig. 5-15: Cover www.eta.co.at... - Page 29 Maintenance (expert) Cleaning the combustion chamber Removing the combustion chamber cover Checking the firebed lever and firebed switch Remove the combustion chamber cover from the Check the movement of the firebed lever in the combustion chamber with the poker. combustion chamber by repeated lifting. Fig.
- Page 30 Never operate the boiler with damaged seals. • an incorrectly calibrated lambda probe Otherwise, leack air is sucked in, disturbing the • an incorrect differential pressure measurement combustion process and causing increased wear. Always replace damaged seals immediately. www.eta.co.at...
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Page 31: Clean Ignition
Maintenance (expert) Clean ignition Clean ignition Refit the heat exchanger cover Replace the heat exchanger cover and tighten the wing nuts alternately and evenly. Dismantle the ignition and clean the ignition tube Loosen the screws and carefully remove the ignition. Make sure that the included springs do not get lost. -
Page 32: Clean Draught Fan
Only hand-tighten the screws, so that the ignition is held by the springs. Do not overtighten the screws, otherwise the ignition may be damaged. Fig. 5-32: Draught fan Remove the ash from the fan housing. Fig. 5-31: Only hand tighten the screws Fig. 5-33: Fan housing www.eta.co.at... -
Page 33: Clean Temperature Sensor
Maintenance (expert) Clean temperature sensor 5.10 Clean temperature sensor Carefully clean the impeller with a soft brush (not a wire brush) or compressed air to prevent imbalance. Replace the seal. Cleaning the flue gas temperature sensor Loosen the screws and pull out the flue gas temperature sensor. -
Page 34: Check Pellet Hopper
Observe the correct installation position. Fig. 5-37: Marking the installation position Remove the filling level sensor mounting panel. Fig. 5-41: Mounting panel for fill level sensor Fig. 5-38: Mounting panel for fill level sensor www.eta.co.at... -
Page 35: Check Stoker Unit
Maintenance (expert) Check stoker unit 5.12 Check stoker unit Mount the cover over the pellet hopper. Re-install the cover back over the pellet hopper of the boiler. Checking the stoker drive chain Check the chain tension. The chain may sag by 2-3 cm without any force applied. -
Page 36: Check De-Ashing
This measured value can be seen with the [Service] authorisation in the text menu of the boiler under: Inputs Measuring orifice If a different value is shown, a calibration must be carried out using the [Offset] parameter. Inputs Measuring orifice Offset www.eta.co.at... -
Page 37: Attaching Panels
Maintenance (expert) Attaching panels 5.15 Attaching panels For this parameter, enter the difference from the target value of 0 Pa. Example: Measuring orifice = 2 Pa => Offset = -2 Installing the side covers Re-install the side covers. Refit the vacuum sensor Refit the vacuum sensor back on the plastic casing. -
Page 38: Calibrate Lambda Probe
Establish operational readiness Reset maintenance counter [Consumption since maintenance] When maintenance is complete, reset the counter. With the [Service] access level, it will be visible in the boiler text menu under: Counters Fig. 5-51: Cover Consumption since maintenance Reset counter? www.eta.co.at... - Page 39 Maintenance (expert) Establish operational readiness Performing a heating test To perform the heating test, put the boiler into emissions measurement mode. To do this, carry out the following steps. In the boiler overview window, press the [Measurement] button in order to enter the emissions measurement settings window.
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