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Cleaning and maintenance

Cleaning (customer)

23

CAUTION!

Do not operate with damaged seals

Never  operate  the  boiler  with  damaged  seals.
Otherwise,  unwanted  air  is  sucked  in,  disturbing  the
combustion process and causing increased wear.

Always replace damaged seals immediately.

Installing the maintenance cover

Re-attach the maintenance cover. Tighten the screws
alternately and evenly.

Fig. 2-44: Maintenance cover

Place the insulation back onto the maintenance cover.

Fig. 2-45: Insulation

2.5.6

Clean precipitator (optional)

Removing the maintenance cover

Remove the insulation above the maintenance cover.

Fig. 2-46: Insulation

Remove the maintenance cover.

Fig. 2-47: Maintenance cover

Summary of Contents for ePE-K 100-130 kW

Page 1: ...2019 10 30 EN 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: ...rom the owner Subject to technical changes We reserve the right to make technical modifications without notice Printing and typesetting errors or changes of any kind made in the interim are not cause...

Page 4: ...nance Persons who lack experience and knowledge as well as children may not operate clean or maintain the product Display maintenance steps on the screen With this boiler the maintenance steps can als...

Page 5: ...Maintenance switch The maintenance switch is marked with the symbol and has two settings 1 regular operation This is the standard position of the maintenance switch The boiler can execute heating mode...

Page 6: ...he sealant to use is listed in the respective step Use adhesive to affix the seals for example Only blow out the components with your mouth Affix a seal The required cross section and sealing material...

Page 7: ...Cleaning and maintenance Maintenance notes 7...

Page 8: ...ellet hopper with stoker on the left side These are equally representative of a boiler with the pellet module on the right side 1 Pellets vacuum turbine 2 Fill level sensor for pellet hopper 3 Combust...

Page 9: ...for stoker screw 4 Drive chain of the stoker screw 5 Ignition 6 Retaining tube of the lambda probe 7 Heat exchanger cleaner maintenance cover 8 Safety switch for the maintenance cover 9 De ashing driv...

Page 10: ...iler Cleaning and maintenance 1 Actuator of flue gas recirculation 2 Precipitator maintenance cover 3 Heat exchanger cover 4 Release button for safety temperature limiter STB 5 Mains switch symbol 6 M...

Page 11: ...er Clean the primary and secondary combustion chamber Clean the tilting grate Clean the secondary air openings Clean the ignition tubes Check the firebed lever and firebed switch Check fire clay X X C...

Page 12: ...t Clean the lambda probe X Specialist Check the boiler doors X Specialist Check the pellet hopper Check the stoker drive chains Check the clearance gap of the position sensor for the stoker screw Clea...

Page 13: ...check the ash level without opening the box A full ash box makes a short dull thump When empty it makes a hollower sound like a drum To empty the ash box fold the locking lever on the boiler forward...

Page 14: ...tween 1 and 2 bar For a warm heating system the optimum water pressure is between 1 5 and 2 5 bar Fig 2 10 Pressure gauge If the water pressure is too low fill the cold heating system to approx 2 bar...

Page 15: ...er to cool down sufficiently before starting any activities 2 5 2 Check safety devices Check safety valves Check all safety valves of the heating system by means of a visual inspection The outlets of...

Page 16: ...that the seal will be damaged in the process and thus the outlet will drip Therefore only carry out the check on weekdays never on weekends in the cold winter because there is probably no heating tec...

Page 17: ...mary and secondary combustion chamber In the primary combustion chamber remove the two part combustion chamber cover Fig 2 16 Combustion chamber cover Using the poker stoke all the ash out of the prim...

Page 18: ...Do not hit the tilting grate with the poker Cleaning the secondary air openings Clean the opening for the secondary air above the tilting grate with an ash vacuum for example Fig 2 20 Secondary air op...

Page 19: ...fting Fig 2 24 Firebed switch Check fire clay Check the fire clay in the primary and secondary combustion chamber for damage and cracks Replacing the combustion chamber cover Re install the two part c...

Page 20: ...k that it moves smoothly 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 29 Manually actuating...

Page 21: ...encrustation and sluggishness Check if the seal on the cover is intact and replace if necessary Fig 2 33 Seal Re install the actuator Tighten the screws alternately and evenly Fig 2 34 Actuator Remov...

Page 22: ...enance cover Remove the ash from the flue gas duct with the clean ing brush and an ash vacuum Fig 2 40 Flue gas duct Check if the seal on the maintenance cover is intact and replace if necessary Re at...

Page 23: ...s replace damaged seals immediately Installing the maintenance cover Re attach the maintenance cover Tighten the screws alternately and evenly Fig 2 44 Maintenance cover Place the insulation back onto...

Page 24: ...rol system of the precipitator and damage it Cleaning and checking the electrode holder Clean the electrode holder with a soft cloth Fig 2 50 Electrode holder Afterwards check the condition of the ele...

Page 25: ...th damaged seals Never operate the boiler with damaged seals Otherwise unwanted air is sucked in disturbing the combustion process and causing increased wear Always replace damaged seals immediately I...

Page 26: ...cover on the top Re install the cover back on top of the boiler Fig 2 55 Cover Switch the boiler on via the mains switch and start ash removal Switch the boiler back on at the mains switch Press the...

Page 27: ...e overview of the boiler The boiler emits a glowing charge and then switches to operating mode Switched off Then press the De ash key to allow the boiler to perform a final ash removal WARNING Switch...

Page 28: ...ately and evenly Plug the power supply back into the draught fan 2 6 3 Cleaning the heat exchanger Remove the cover on the top Remove the cover from the top of the boiler Fig 2 59 Cover Removing the h...

Page 29: ...probe an incorrectly calibrated lambda probe Insufficient boiler runtime start stop operation Checking the seal on heat exchanger cover Check if the seal on the heat exchanger cover is intact and rep...

Page 30: ...ash box is attached Fig 2 67 Position switch for ash box 2 6 5 Check air valve Dismantling the side covers Remove the side covers from the side of the boiler on which the stoker is mounted Fig 2 68 Si...

Page 31: ...r Tighten the screws alternately and evenly Fig 2 73 Primary air valve Checking the air valve for primary and secondary air Actuate the actuator for the primary air manually and check that it moves sm...

Page 32: ...e install the cover on the front of the ash duct Fig 2 77 Cover 2 6 6 Check underpressure sensor Remove the cover on the front Remove the cover from the front of the boiler Fig 2 78 Cover Cleaning the...

Page 33: ...e seen with the Service authorisation in the text menu under If a different value is shown a calibration using the Offset parameter must be carried out For this parameter enter the difference from the...

Page 34: ...bricants The reason for this is because ash will adhere to the lubricant and cause encrustation and sluggishness 2 6 8 Clean temperature sensor Cleaning the flue gas temperature sensor on the flue gas...

Page 35: ...al on the maintenance cover is intact and replace if necessary Fig 2 89 Seal CAUTION Do not operate with damaged seals Never operate the boiler with damaged seals Otherwise unwanted air is sucked in d...

Page 36: ...ure that the door can be closed fully and with force The sealing edges of the door frame must leave an obvious indentation in the sealing cord of the combustion chamber door Fig 2 93 Check Leaks can b...

Page 37: ...to the boiler 1 Closing roller holder 2 Hinge Loosen the flange nuts top and bottom on the hinge and the closing roller holder and evenly reduce the gap only slightly to the boiler Fig 2 95 Reduceing...

Page 38: ...ains Check the chain tension see the following graphic Tension the chain by shifting the motor Lubricate the drive chains with chain spray Fig 2 98 Stoker drive chains Checking the position sensor cle...

Page 39: ...k the seal on the bottom of the mounting panel and replace if necessary Clean the fill level sensor with a soft cloth Fig 2 104 Checking the seal cleaning the fill level sensor Cleaning the strainer i...

Page 40: ...500 hours of operation If you wish to perform an additional lambda probe cal ibration the control system features the Addl calibra tion function This function can be selected with the Service access...

Page 41: ...on so the boiler will start immediately The control system ensures that sufficient heat is channelled to the buffer the heating circuits and the hot water tank After around 10 minutes of heating the r...

Page 42: ...www eta co at...

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