eta ePE-K 100-130 kW Service Manual
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eta ePE-K 100-130 kW Service Manual

Pellet boiler
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2019-10-30
EN
0000000441
V.004
3.47.0
5203, 00
939067-002
Pellet boiler
ePE-K 100-130 kW
Service manual

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Summary of Contents for eta ePE-K 100-130 kW

  • Page 1 2019-10-30 0000000441 V.004 3.47.0 5203, 00 939067-002 Pellet boiler ePE-K 100-130 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...
  • Page 3 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 4: Maintenan Ce

    So you can maintain a long-term overview of maintenance carried out. course, the maintenance can also be carried out using the service Fig. 2-2: Maintenance step (example) guide, without the support of the ETAtouch control system. www.eta.co.at...
  • Page 5 Cleaning and maintenance Maintenance notes Follow the on-screen instructions and carry out all The maintenance switch is marked with the steps carefully. Enter your name at the end of symbol and has two settings. maintenance ( button) and save the maintenance •...
  • Page 6 No leaks in the components, e.g. screw connection or maintenance cover. Clean panels If necessary, clean the panels of the boiler and the ETAtouch screen with a moist cloth. Under circumstances aggressive solvents, chemicals or scouring agents. They can lead to stress cracks and damage. www.eta.co.at...
  • Page 7 Cleaning and maintenance Maintenance notes...
  • Page 8 Pellets vacuum turbine Fill level sensor for pellet hopper Combustion chamber door Firebed switch (safety switch) Vacuum sensor Firebed level sensor Actuator for primary air Grate drive Ash screw 10 Grate position switch 11 Connection for measuring underpressure www.eta.co.at...
  • Page 9 Cleaning and maintenance Maintenance openings in the boiler Actuator for secondary air Drive chain of the dosing screw Position sensor for stoker screw Drive chain of the stoker screw Ignition Retaining tube of the lambda probe Heat exchanger cleaner maintenance cover Safety switch for the maintenance cover De-ashing drive 10 Flue gas temperature sensor in heat exchanger...
  • Page 10 Maintenance openings in the boiler Cleaning and maintenance Actuator of flue gas recirculation Precipitator maintenance cover Heat exchanger cover Release button for safety temperature limiter (STB) Mains switch (symbol Maintenance switch (symbol Door contact switch www.eta.co.at...

  • Page 11: Table Of Contents

    Cleaning and maintenance Maintenance table Maintenance table Clean the boiler at least once a year or when requested by the control system. Maintenance is necessary at least every 3 years or when requested by the control system. We recommend you perform maintenance annually.

  • Page 12: Tasks

    Check the stoker drive chains • Check the clearance/gap of the position sensor for the Specialist stoker screw • Clean the fill level sensor • Clean the strainer Calibrate the lambda probe Specialist Reset the maintenance counter Specialist Perform a heating test Specialist www.eta.co.at...

  • Page 13: Empty The Ash Box X Xx

    Cleaning and maintenance Regular maintenance Regular maintenance Open the lock for the lid and empty the ash box. 2.4.1 Preparation Stop heating 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 14: Check The Pressure Of The Heating System

    (e.g. treated water). 2.4.4 Establish operational readiness Switching on the boiler Switch the boiler back on using the on / off switch . www.eta.co.at...

  • Page 15: Check The Safety Devices

    Cleaning and maintenance Cleaning (customer) Cleaning (customer) 2.5.2 Check safety devices 2.5.1 Preparation Check safety valves Check all safety valves of the heating system by means of a visual inspection. The outlets of the safety Stop heating valves must not drip. Stop the heating mode of the boiler with the on / off switch in the overview of the boiler.

  • Page 16: Clean The Flue Tube

    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. Fig. 2-14: Condensate drain www.eta.co.at...

  • Page 17: Clean The Combustion Chamber

    Cleaning and maintenance Cleaning (customer) 2.5.4 Cleaning the combustion chamber Using the poker, stoke all the ash out of the primary combustion chamber into the secondary combustion chamber. Cleaning the inside of the combustion chamber Open the combustion chamber door and use the poker to scrape off the ash from the inner surfaces of the combustion chamber.

  • Page 18: Clean The Tilting Grate

    Remove the cover from the front of the boiler. Cleaning the secondary air openings Clean the opening for the secondary air (above the tilting grate) with an ash vacuum, for example. Fig. 2-22: Cover Fig. 2-20: Secondary air openings www.eta.co.at...

  • Page 19: Check The Firebed Lever And Firebed Switch

    Cleaning and maintenance Cleaning (customer) Checking the firebed lever and firebed switch Replacing the combustion chamber cover Check the movement of the firebed lever in the Re-install the two-part combustion chamber cover combustion chamber by repeated lifting. again and ensure that it is centred. Fig.

  • Page 20: Clean Flue Gas Ducts

    Clean the sealing area for the air valve on the inside of the flue duct. Fig. 2-28: Actuator of flue gas recirculation For manual actuation, push the unlocking device (red button) and turn the drive 90° with the locking screw. Fig. 2-32: Sealing area Fig. 2-29: Manually actuating the actuator www.eta.co.at...

  • Page 21: Clean The Inner Walls Of The Flue Gas Duct

    Cleaning and maintenance Cleaning (customer) Removing the maintenance cover CAUTION! Remove the insulation above the maintenance cover. Do not lubricate the washer and sealing area Never lubricate the sealing area in the flue duct or the washer on the air valve with oil, grease or other lubricants.

  • Page 22: Clean The Flue Gas Recirculation Ducts

    Remove the ash from the flue gas duct with the clean- Checking the seal on the maintenance cover ing brush and an ash vacuum. Check if the seal on the maintenance cover is intact and replace if necessary. Fig. 2-40: Flue gas duct Fig. 2-43: Seal www.eta.co.at...

  • Page 23: Clean The Precipitator (Optional)

    Cleaning and maintenance Cleaning (customer) 2.5.6 Clean precipitator (optional) CAUTION! Do not operate with damaged seals Removing the maintenance cover Never operate the boiler with damaged seals. Remove the insulation above the maintenance cover. Otherwise, unwanted air is sucked in, disturbing the combustion process and causing increased wear.

  • Page 24: Clean The Upper Section Of The Precipitator

    Use an ash vacuum to vacuum out the opening for the small holes can be "felt", there is damage. In this case, flushing air from the electrode at the isolator. contact ETA Customer Support. Check the alignment of the electrodes The electrode must be in the centre of the precipitator, so that the flue gas can be optimally cleaned.
  • Page 25 Cleaning and maintenance Cleaning (customer) Place the insulation back onto the maintenance cover. Checking the seal on the maintenance cover Check if the seal on the maintenance cover is intact and replace if necessary. Fig. 2-54: Insulation Fig. 2-52: Seal CAUTION! Do not operate with damaged seals Never operate the boiler with damaged seals.
  • Page 26 Switch the boiler on via the mains switch and start ash removal Switch the boiler back on at the mains switch. Press the [De-ash] button for the boiler to start the de- ashing process. Switch the boiler back on using the on / off switch www.eta.co.at...

  • Page 27: Clean The Draught Fan

    Cleaning and maintenance Maintenance (expert) Maintenance (expert) 2.6.2 Clean draught fan 2.6.1 Preparation Cleaning the draught fan Unplug the draught fan's power supply. Loosen the nuts and remove the draught fan. Before this maintenance, perform all steps for the preceding maintenance intervals Before this maintenance, all steps for the preceding maintenance...
  • Page 28 Remove the cover from the top of the boiler. Fig. 2-59: Cover Removing the heat exchanger cover Remove the insulation laid over the heat exchanger cover. Fig. 2-60: Insulation Loosen the nuts and remove the heat exchanger cover. Fig. 2-61: Heat exchanger cover www.eta.co.at...

  • Page 29: Check The Heat Exchanger Tubes

    Cleaning and maintenance Maintenance (expert) Cleaning the heat exchanger Checking the seal on heat exchanger cover Strip off the ashes on the inner walls with the poker and Check if the seal on the heat exchanger cover is intact remove the fly ash with an ash vacuum, for example. and replace if necessary.

  • Page 30: Check The Ash Box Position Switch

    Removing the cover on the ash duct Remove the cover on the front of the ash duct. Fig. 2-69: Cover Clean the area behind the primary air valve Remove the primary air valve and the housing. Fig. 2-70: Primary air valve www.eta.co.at...
  • Page 31 Cleaning and maintenance Maintenance (expert) Use an ash vacuum to remove the ash from the area Checking the air valve for primary and secondary behind it. Actuate the actuator for the primary air manually and check that it moves smoothly. Fig.

  • Page 32: Sensor

    Fig. 2-77: Cover Fig. 2-78: Cover Cleaning the silicon hoses for the vacuum sensor Take the silicone hose off the vacuum sensor. Fig. 2-79: Vacuum sensor Clean the silicon hose by carefully blowing out. Fig. 2-80: Blowing out the silicone hose www.eta.co.at...

  • Page 33: Calibrate The Vacuum Sensor

    Cleaning and maintenance Maintenance (expert) If resistance is noticeable when blowing out, Reconnecting the silicone hose remove the cover on the front side (see the Reconnect the silicon hose to the vacuum actuator. following diagram) and clean the connection for the Ensure the correct position when connecting.

  • Page 34: Check The De-Ashing System

    Never lubricate the de-ashing system and the push floor with oil, grease or other lubricants. The reason for this is because ash will adhere to the lubricant and cause encrustation and sluggishness. Fig. 2-87: Flue gas temperature sensor in heat exchanger www.eta.co.at...

  • Page 35: Clean The Lambda Probe

    Cleaning and maintenance Maintenance (expert) 2.6.9 Clean lambda probe Mount the heat exchanger cleaner maintenance cover. Replace the maintenance cover of the heat exchanger Cleaning the lambda probe cleaner. Tighten the screws alternately and evenly. Only vacuum the head of the lambda probe with an ash vacuum.

  • Page 36: Check The Boiler Doors

    Fig. 2-92: Cover Fig. 2-94: Seal Also check if the sealing cord is already "hard". To check, press on the sealing cord with your finger nail. If it can no longer be pressed, it is "hard" already and must be replaced. www.eta.co.at...
  • Page 37 Cleaning and maintenance Maintenance (expert) Adjustment requires the removal of the combustion Retighten the flange nuts. Suspend the door and chamber door. To do this, lift the combustion chamber check whether it now closes fully. If not, repeat the door slightly when it is open, unhook it and carefully process.

  • Page 38: Check The Pellet Hopper

    Re-install the cover back onto the pellet hopper. Fig. 2-97: Cover Checking the stoker drive chains Check the chain tension, see the following graphic. Tension the chain by shifting the motor. Lubricate the drive chains with chain spray. Fig. 2-100: Cover Fig. 2-98: Stoker drive chains www.eta.co.at...

  • Page 39: Clean The Fill Level Sensor

    Cleaning and maintenance Maintenance (expert) Remove the filling level sensor mounting panel. Remove the cover on the top Carefully remove the cover from the top. Fig. 2-103: Mounting panel for fill level sensor Check the seal on the bottom of the mounting panel and replace if necessary.

  • Page 40: Calibrate The Lambda Probe

    Altogether, these steps last approxi- mately 1.5 to 2 hours. When the calibration is complete, the boiler goes back into operation and starts heating, if necessary. After another 100 hours of operation, the control system automatically performs another calibra- tion. Fig. 2-107: Cover www.eta.co.at...

  • Page 41: Reset The Maintenance Counter

    Cleaning and maintenance Maintenance (expert) 2.6.14 Establish operational readiness After the heating test, switch the boiler back to normal mode. To do this, press the [Deactivate measurement] button in the settings window. Reset maintenance counter When maintenance is complete, reset the counter. With the [Service] access level, it will be visible in the boiler text menu under: Counters...
  • Page 42 www.eta.co.at...
  • Page 44 DOWNLOAD www.eta.co.at...

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