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eta PelletsUnit Service Manual
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eta PelletsUnit Service Manual

eta PelletsUnit Service Manual

7 - 15 kw
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Download this manual See also: Operating Manual
2016-11-29
EN
0000000278
V.002
3.38.1
1510
93046-002
PelletsUnit
7 - 15 kW
Service manual

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Summary of Contents for eta PelletsUnit

  • Page 1 2016-11-29 0000000278 V.002 3.38.1 1510 93046-002 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...

  • Page 3: 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 4: Cleaning And Maintenance

    So you can maintain a long-term overview of maintenance carried out. course, the maintenance can also be carried out using the service guide, without the support of the ETAtouch control system. Fig. 2-2: Maintenance step (example) 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 The counters can be seen in the boiler's text menu. Counter [Consump. since maint.] is used for the service intervals. If it has reached one of the listed intervals, maintenance is required. This counter is in: Counters Consump. since maint. www.eta.co.at...
  • Page 7 Cleaning and maintenance Maintenance notes...
  • Page 8 Maintenance openings in the boiler Cleaning and maintenance Maintenance openings in the boiler Maintenance openings and components Heat exchanger cover Vacuum turbine for pellet transport Firebed switch Stoker drive chain Water pressure sensor Ignition Position switch for ash box www.eta.co.at...
  • Page 9 Cleaning and maintenance Maintenance openings in the boiler Fill level sensor for pellet hopper Safety valve Flue gas temperature sensor Draught fan De-ashing drive chain Filling and draining valve Underpressure sensor...

  • Page 10: Maintenance Table

    Check the de-ashing drive chain Check the underpressure sensor • Clean the silicon hoses Specialist • Calibrate the underpressure sensor Check the ash box position switch Specialist Calibrate the lambda probe Specialist Reset the maintenance counter Specialist Perform heating test Specialist www.eta.co.at...
  • Page 11 Cleaning and maintenance Regularly Regularly Inspect the seal on the ash box lid for integrity, and replace it if necessary. 2.4.1 Preparation Stop heating End the boiler's heating mode with the On/Off switch in the boiler overview window. The boiler performs an ember burnout and then changes to [Switched off] mode.
  • Page 12 2.8 bar. If the water pressure drops several times a year, contact a heating professional. When refilling water in the heating system, the same water as used during initial filling should be used whenever possible (e.g. prepared water). www.eta.co.at...
  • Page 13 Cleaning and maintenance 3,000 kg / annually 3,000 kg / annually 2.5.2 Check safety devices Checking the safety valves 2.5.1 Preparation Perform a visual check of all safety valves of the heating system. The outlets of the safety valves may Stop heating not drip.
  • Page 14 Fig. 2-13: Flue tube Rinse the chimney's condensate drain Check the chimney's condensate drain to make sure it is free, as ash can block the outlet. To check, rinse the outlet with some water. Fig. 2-16: Insulation Fig. 2-14: Condensate drain www.eta.co.at...
  • Page 15 Cleaning and maintenance 3,000 kg / annually Remove the heat exchanger cover by loosening the Cleaning the inner walls of the combustion two wing nuts. chamber Wipe the ash off the inner walls of the combustion chamber and push it onto the grate or into the heat exchanger tubes.
  • Page 16 (start-stop operation) • too little heat consumption due to incorrect control system settings • Usage individual room temperature control but without buffer storage tank in heating system • an incorrectly calibrated lambda probe • an incorrect differential pressure measurement www.eta.co.at...
  • Page 17 Cleaning and maintenance 3,000 kg / annually Checking the seal on the heat exchanger cover Then replace the insulation. Clean the heat exchanger cover. Inspect the integrity of the seal on the heat exchanger cover and replace if necessary. Fig. 2-27: Insulation Mounting the top panel Remount the panel on the top of the boiler again.
  • Page 18 Establish operational readiness Switch the boiler on via the mains switch and start de-ashing. Establish the boiler's power supply at the mains switch. Press the [De-ash] button to de-ash the boiler. Switch the boiler back on with the On/Off switch. www.eta.co.at...
  • Page 19 Cleaning and maintenance 5,000 kg / 3 years 5,000 kg / 3 years 2.6.2 Removing panels Removing the panel on the top 2.6.1 Preparation Remove the panel on the top of the boiler. Before this maintenance, perform all steps for the preceding maintenance intervals Before this maintenance, all steps for the preceding...
  • Page 20 Fig. 2-31: Side panel Remove the ash from the fan housing on the boiler. Removing the panel from the front Unscrew the screws on the panel, lift and remove it. Fig. 2-34: Clean the fan housing Fig. 2-32: Panel www.eta.co.at...
  • Page 21 Cleaning and maintenance 5,000 kg / 3 years 2.6.4 Clean temperature sensor Carefully clean the impeller of the draught fan with a soft brush (not a wire brush) or with compressed air, so that the impeller does not move out of balance. Cleaning the flue gas temperature sensor Replace the seal on the draught fan.
  • Page 22 Clean the combustion chamber cover and re-insert it in the combustion chamber. Removing the combustion chamber cover Using the poker, remove the combustion chamber cover from the combustion chamber. Fig. 2-42: Combustion chamber cover Fig. 2-39: Combustion chamber cover www.eta.co.at...
  • Page 23 Cleaning and maintenance 5,000 kg / 3 years Checking the seal on the heat exchanger cover Clean the heat exchanger cover. Inspect the integrity of the seal on the heat exchanger cover and replace if necessary. Check heat exchanger tubes Inspect the heat exchanger tubes for tar deposits.
  • Page 24 Fig. 2-50: Cleaning the ignition tube Push the ignition tube back into the bracket and attach Fig. 2-47: Springs the ignition with the bracket and the screws. The ceramic igniter is very fragile. Make sure that it is not damaged. Fig. 2-48: Ceramic igniter www.eta.co.at...
  • Page 25 Cleaning and maintenance 5,000 kg / 3 years 2.6.6 Check pellet hopper Only hand tighten the screws so that the ignition is kept away from the springs. Do not overtighten the screws, otherwise the ignition may be damaged. Removing the panel above the pellet hopper housing Remove the panel above the boiler's pellet hopper.
  • Page 26 Make sure the installation position is correct. Fig. 2-58: Stoker drive chain Fig. 2-56: Mounting the panel for the fill level sensor Mount the panel over the pellet hopper. Mount the panel over the boiler's pellet hopper again. Fig. 2-57: Panel www.eta.co.at...
  • Page 27 Cleaning and maintenance 5,000 kg / 3 years 2.6.8 Check de-ashing 2.6.9 Check underpressure sensor Checking the de-ashing drive chain Cleaning the silicon hoses for the underpressure sensor Check the chain tension. The chain may sag by 1 cm without any force applied. Tension the chain by shifting The underpressure sensor is situated on the right- the motor.
  • Page 28 Measuring orifice = 2 Pa => Offset = -2 Fig. 2-62: Position switch for ash box Reconnecting the silicon hoses Reconnect the silicon hoses to the vacuum actuator. Ensure the correct position when connecting. The silicon hoses may not be kinked. www.eta.co.at...
  • Page 29 Cleaning and maintenance 5,000 kg / 3 years 2.6.11 Attaching panels Mounting the panel on the front Suspend the panel on the boiler and secure it with the Installing the side panels screws. Remount the side panels. Fig. 2-65: Panel Fig.
  • Page 30 Boiler Residual O2 If the value does not drop below 12% residual oxygen, the boiler is receiving leak air. The reason (leaky boiler doors, heat exchanger cover, lambda probe installation etc.) must be identified and corrected. www.eta.co.at...
  • Page 31 Cleaning and maintenance 5,000 kg / 3 years If possible, perform a flue gas measurement during the heating test. After the heating test, switch the boiler back to normal mode. To do this, press the [Deactivate measurement] button in the settings window.
  • Page 32 Flush the chimney's condensate drain Clean combustion chamber • Clean the inner walls of the combustion chamber • Clean the ignition tube • Checking the movability of the firebed switch • Clean the lambda probe performed on: _________________________ performed by: _________________________ Comments: www.eta.co.at...
  • Page 33 Records Cleaning (customer) Cleaning (customer) This cleaning is to be carried out once a year or after 3,000 kg of pellets. Tasks Notes Empty the ash box • Empty the ash box • Check the seals Check the pressure of the heating system ______ bar Visual check of the safety valves Chimney...
  • Page 34 Check the de-ashing drive chain Check the underpressure sensor • Clean the silicon hoses • Calibrate the underpressure sensor Check the ash box position switch Calibrate the lambda probe Reset the maintenance counter Perform heating test performed on: _________________________ performed by: _________________________ Comments: www.eta.co.at...
  • Page 35 Records Maintenance (expert)
  • Page 36 Flush the chimney's condensate drain Clean combustion chamber • Clean the inner walls of the combustion chamber • Clean the ignition tube • Checking the movability of the firebed switch • Clean the lambda probe performed on: _________________________ performed by: _________________________ Comments: www.eta.co.at...
  • Page 37 Records Cleaning (customer) Cleaning (customer) This cleaning is to be carried out once a year or after 3,000 kg of pellets. Tasks Notes Empty the ash box • Empty the ash box • Check the seals Check the pressure of the heating system ______ bar Visual check of the safety valves Chimney...
  • Page 38 Check the de-ashing drive chain Check the underpressure sensor • Clean the silicon hoses • Calibrate the underpressure sensor Check the ash box position switch Calibrate the lambda probe Reset the maintenance counter Perform heating test performed on: _________________________ performed by: _________________________ Comments: www.eta.co.at...
  • Page 39 Records Maintenance (expert)
  • Page 40 Flush the chimney's condensate drain Clean combustion chamber • Clean the inner walls of the combustion chamber • Clean the ignition tube • Checking the movability of the firebed switch • Clean the lambda probe performed on: _________________________ performed by: _________________________ Comments: www.eta.co.at...
  • Page 41 Records Cleaning (customer) Cleaning (customer) This cleaning is to be carried out once a year or after 3,000 kg of pellets. Tasks Notes Empty the ash box • Empty the ash box • Check the seals Check the pressure of the heating system ______ bar Visual check of the safety valves Chimney...
  • Page 42 Check the de-ashing drive chain Check the underpressure sensor • Clean the silicon hoses • Calibrate the underpressure sensor Check the ash box position switch Calibrate the lambda probe Reset the maintenance counter Perform heating test performed on: _________________________ performed by: _________________________ Comments: www.eta.co.at...
  • Page 43 Records Maintenance (expert)
  • Page 44 Flush the chimney's condensate drain Clean combustion chamber • Clean the inner walls of the combustion chamber • Clean the ignition tube • Checking the movability of the firebed switch • Clean the lambda probe performed on: _________________________ performed by: _________________________ Comments: www.eta.co.at...
  • Page 45 Records Cleaning (customer) 3.11 Cleaning (customer) This cleaning is to be carried out once a year or after 3,000 kg of pellets. Tasks Notes Empty the ash box • Empty the ash box • Check the seals Check the pressure of the heating system ______ bar Visual check of the safety valves Chimney...
  • Page 46 Check the de-ashing drive chain Check the underpressure sensor • Clean the silicon hoses • Calibrate the underpressure sensor Check the ash box position switch Calibrate the lambda probe Reset the maintenance counter Perform heating test performed on: _________________________ performed by: _________________________ Comments: www.eta.co.at...
  • Page 47 Records Maintenance (expert)
  • Page 48 Flush the chimney's condensate drain Clean combustion chamber • Clean the inner walls of the combustion chamber • Clean the ignition tube • Checking the movability of the firebed switch • Clean the lambda probe performed on: _________________________ performed by: _________________________ Comments: www.eta.co.at...
  • Page 49 Records Cleaning (customer) 3.14 Cleaning (customer) This cleaning is to be carried out once a year or after 3,000 kg of pellets. Tasks Notes Empty the ash box • Empty the ash box • Check the seals Check the pressure of the heating system ______ bar Visual check of the safety valves Chimney...
  • Page 50 Check the de-ashing drive chain Check the underpressure sensor • Clean the silicon hoses • Calibrate the underpressure sensor Check the ash box position switch Calibrate the lambda probe Reset the maintenance counter Perform heating test performed on: _________________________ performed by: _________________________ Comments: www.eta.co.at...
  • Page 51 Records Maintenance (expert)
  • Page 52 Flush the chimney's condensate drain Clean combustion chamber • Clean the inner walls of the combustion chamber • Clean the ignition tube • Checking the movability of the firebed switch • Clean the lambda probe performed on: _________________________ performed by: _________________________ Comments: www.eta.co.at...
  • Page 53 Records Cleaning (customer) 3.17 Cleaning (customer) This cleaning is to be carried out once a year or after 3,000 kg of pellets. Tasks Notes Empty the ash box • Empty the ash box • Check the seals Check the pressure of the heating system ______ bar Visual check of the safety valves Chimney...
  • Page 54 Check the de-ashing drive chain Check the underpressure sensor • Clean the silicon hoses • Calibrate the underpressure sensor Check the ash box position switch Calibrate the lambda probe Reset the maintenance counter Perform heating test performed on: _________________________ performed by: _________________________ Comments: www.eta.co.at...
  • Page 55 Records Maintenance (expert)
  • Page 56 Flush the chimney's condensate drain Clean combustion chamber • Clean the inner walls of the combustion chamber • Clean the ignition tube • Checking the movability of the firebed switch • Clean the lambda probe performed on: _________________________ performed by: _________________________ Comments: www.eta.co.at...
  • Page 57 Records Cleaning (customer) 3.20 Cleaning (customer) This cleaning is to be carried out once a year or after 3,000 kg of pellets. Tasks Notes Empty the ash box • Empty the ash box • Check the seals Check the pressure of the heating system ______ bar Visual check of the safety valves Chimney...
  • Page 58 Check the de-ashing drive chain Check the underpressure sensor • Clean the silicon hoses • Calibrate the underpressure sensor Check the ash box position switch Calibrate the lambda probe Reset the maintenance counter Perform heating test performed on: _________________________ performed by: _________________________ Comments: www.eta.co.at...
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