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www.eta.co.at

Cleaning and maintenance

2

Cleaning and maintenance

Maintenance openings and components

1

Draught fan of flue gas recirculation

2

Maintenance cover for flue gas recirculation piping

3

Draught fan

4

Heat exchanger cover

5

Maintenance cover for reversing chamber on heat
exchanger

6

Combustion chamber door

7

Maintenance cover for flue gas recirculation
(behind panel)

8

Ignition fan

9

Actuator for primary air

10 Maintenance cover for secondary combustion

zone

Summary of Contents for HACK 350

Page 1: ...2016 04 05 EN 0000000305 V 001 X 36 0 3503 93824 001 Moving grate boiler Size 2 Service guide...

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: ...e owner Subject to technical alterations 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 fo...

Page 4: ...lation 2 Maintenance cover for flue gas recirculation piping 3 Draught fan 4 Heat exchanger cover 5 Maintenance cover for reversing chamber on heat exchanger 6 Combustion chamber door 7 Maintenance co...

Page 5: ...xchanger cleaner 2 Temperature sensor of combustion chamber 3 Actuator for flue gas recirculation flap 4 Maintenance cover for flue gas recirculation behind panel 5 Boiler mains switch 6 Maintenance c...

Page 6: ...e The conveyor depicted here is the standard con figuration 1 Drop chute maintenance cover 2 Rotary valve maintenance cover 3 Safety switch for rotary valve maintenance cover 4 Drop chute safety switc...

Page 7: ...eaning and maintenance must be performed at regular intervals Carry out this work within the intervals stated here All tasks where the maintenance table reads Customer or Customer or expert in the col...

Page 8: ...Clean connection pipe to draught fan X X Customer expert Visual check of the heat exchanger screw X X Customer expert Clean flue gas temperature sensor X X Customer expert Clean flue gas recirculatio...

Page 9: ...le 9 Check seal on combustion chamber door X Expert Calibrate lambda probe X Expert Perform heating test X Expert Reset maintenance counter X Expert Tasks Regular ly Every 3 000 h or once a year Every...

Page 10: ...cing the protective mat make sure the adhesive seal is in a good condition to prevent ash from escaping Fig 2 3 Seal on the sealing plate De ashing with ash bins 1 Turn the locks on the ash bin lid up...

Page 11: ...cold heating system is between 1 and 2 bar For a warm heating system the optimum water pressure is between 1 5 and 2 5 bar If the water pressure is too low fill the cold heating system to approx 2 bar...

Page 12: ...as been switched off there will still be a danger of burns caused by the cleaning and maintenance covers of the combustion chamber and the heat exchanger and by the combustion chamber door These parts...

Page 13: ...ening and from the combustion chamber door Fig 2 9 Combustion chamber door Next using the poker remove baked on ash deposits from inside the combustion chamber and sweep onto the moving grate Fig 2 10...

Page 14: ...openings in the lining Clean the openings on both sides of the lining and remove any baked on ash deposits Then vacuum the openings with an ash or vacuum cleaner Fig 2 13 Openings in the lining Check...

Page 15: ...lly burnt on the ends Fig 2 17 Stoker screw Clean ignition fan and photocell Remove both ignition fans from the boiler Fig 2 18 Removing the ignition fan Detach the ignition tube by loosening the 4 sc...

Page 16: ...ig 2 22 Ash cross screw Checking the grate ash screw Lift up the panel slightly and remove from the boiler Fig 2 23 Cover panel Take off the maintenance cover by loosening the screws and nuts Fig 2 24...

Page 17: ...de of the heat exchanger Take off both maintenance covers by unscrewing the four screws on each one and remove the ash with the poker Fig 2 27 Maintenance cover of the reversing chamber Fig 2 28 Maint...

Page 18: ...flue gas recirculation on both sides Fig 2 32 Clean ducts Fig 2 33 Clean ducts Check the seals of both maintenance covers to ensure they are in good condition replace if necessary CAUTION Never operat...

Page 19: ...t they do not accidentally fall shut Remove the flue cover by unscrewing the two screws Fig 2 37 Flame pipe cover When this is removed the first tube of the heat exchanger is visible Clean it with the...

Page 20: ...switch off the electricity to the boiler via the mains switch Close heat exchanger cover Carefully close both heat exchanger covers Next turn the two ball knobs clockwise until the stop Then tighten t...

Page 21: ...re is no electricity supplied to the boiler Fig 2 43 Flue gas recirculation flap Manually actuate the flap actuator Unlock the actuator on the red button and actuate manually with an Allen key Fig 2 4...

Page 22: ...rive Push the drive cover upwards and remove from the boiler Lubricate the spring guide and bearing with heat resistant lubricant Finally re attach the cover to the boiler Check stoker drive chain WAR...

Page 23: ...al of the ash bin or the transfer coupling For external de ashing with ash bins check the seal on the ash bin lid to ensure it is in good condition and replace it if necessary Fig 2 48 Seals On the ex...

Page 24: ...ly clean Check it with a torch and clean out the coupling with a vacuum cleaner The washer for sealing the lambda probe s metal flange and the seat in the boiler must be replaced when installing the p...

Page 25: ...devices in the fuel path such as the temperature monitoring system the manually operated extinguishing system or the automatic extin guishing system Also check malfunction indicators and alarms for e...

Page 26: ...w window The boiler performs an ember burnout and then changes to Switched off mode Press the De ash button to make the boiler perform a final de ashing Switch off boiler via mains switch WARNING Swit...

Page 27: ...fan Loosen the screws on the draught fan and carefully pull it out of the fan housing The draught fan weighs about 32 kg Secure it against falling down during removal and later re installation Fig 2...

Page 28: ...d Therefore deactivate the meinETA and further ETAtouch control screens as well as disconnecting possibly connected control systems from the ETAtouch controller In the factory configuration the discha...

Page 29: ...ap between sensor and screw Check silicon hoses for differential pressure switch and transmitter If necessary blow out the silicon hoses and re connect them Ensure the correct position during connecti...

Page 30: ...e Service access level switch to the outputs and inputs menu in the boiler s function block 3 Select output Primary air and tap on the symbol A window for manual mode opens Press the On key so that th...

Page 31: ...ts for fixing the eye bolts Fig 2 75 Re attach the eye bolts Adjust the front hinges by slackening the two nuts on both hinges Next push both hinges uniformly approx 0 5 1 mm towards the boiler and ti...

Page 32: ...sions measurement settings window Fig 2 77 Settings window for emissions measurement Press the Start now button so the boiler will start immediately The control system ensures that sufficient heat is...

Page 33: ...Cleaning and maintenance Every 6 000 hours 2 years 33...

Page 34: ...oss screw Check grate ash screw Clean roller guide of the moving grate Remove ash from the reversing chamber Check turbulators Clean flue gas recirculation ducts Clean the heat exchanger Clean connect...

Page 35: ...Records Cleaning customer 35 Comments performed on _________________________ performed by _________________________...

Page 36: ...ean roller guide of the moving grate Remove ash from the reversing chamber Check turbulators Clean flue gas recirculation ducts Clean the heat exchanger Clean connection pipe to draught fan Visual che...

Page 37: ...stop Check silicon hoses for differential pressure switch and transmitter Check air valve Check automatic closing of the actuators Check seal on combustion chamber door Calibrate lambda probe Perform...

Page 38: ...crew Check grate ash screw Clean roller guide of the moving grate Remove ash from the reversing chamber Check turbulators Clean flue gas recirculation ducts Clean the heat exchanger Clean connection p...

Page 39: ...Records Cleaning customer 39 Comments performed on _________________________ performed by _________________________...

Page 40: ...ean roller guide of the moving grate Remove ash from the reversing chamber Check turbulators Clean flue gas recirculation ducts Clean the heat exchanger Clean connection pipe to draught fan Visual che...

Page 41: ...stop Check silicon hoses for differential pressure switch and transmitter Check air valve Check automatic closing of the actuators Check seal on combustion chamber door Calibrate lambda probe Perform...

Page 42: ...crew Check grate ash screw Clean roller guide of the moving grate Remove ash from the reversing chamber Check turbulators Clean flue gas recirculation ducts Clean the heat exchanger Clean connection p...

Page 43: ...Records Cleaning customer 43 Comments performed on _________________________ performed by _________________________...

Page 44: ...ean roller guide of the moving grate Remove ash from the reversing chamber Check turbulators Clean flue gas recirculation ducts Clean the heat exchanger Clean connection pipe to draught fan Visual che...

Page 45: ...stop Check silicon hoses for differential pressure switch and transmitter Check air valve Check automatic closing of the actuators Check seal on combustion chamber door Calibrate lambda probe Perform...

Page 46: ...crew Check grate ash screw Clean roller guide of the moving grate Remove ash from the reversing chamber Check turbulators Clean flue gas recirculation ducts Clean the heat exchanger Clean connection p...

Page 47: ...Records Cleaning customer 47 Comments performed on _________________________ performed by _________________________...

Page 48: ...ean roller guide of the moving grate Remove ash from the reversing chamber Check turbulators Clean flue gas recirculation ducts Clean the heat exchanger Clean connection pipe to draught fan Visual che...

Page 49: ...stop Check silicon hoses for differential pressure switch and transmitter Check air valve Check automatic closing of the actuators Check seal on combustion chamber door Calibrate lambda probe Perform...

Page 50: ...crew Check grate ash screw Clean roller guide of the moving grate Remove ash from the reversing chamber Check turbulators Clean flue gas recirculation ducts Clean the heat exchanger Clean connection p...

Page 51: ...Records Cleaning customer 51 Comments performed on _________________________ performed by _________________________...

Page 52: ...lean roller guide of the moving grate Remove ash from the reversing chamber Check turbulators Clean flue gas recirculation ducts Clean the heat exchanger Clean connection pipe to draught fan Visual ch...

Page 53: ...stop Check silicon hoses for differential pressure switch and transmitter Check air valve Check automatic closing of the actuators Check seal on combustion chamber door Calibrate lambda probe Perform...

Page 54: ...crew Check grate ash screw Clean roller guide of the moving grate Remove ash from the reversing chamber Check turbulators Clean flue gas recirculation ducts Clean the heat exchanger Clean connection p...

Page 55: ...Records Cleaning customer 55 Comments performed on _________________________ performed by _________________________...

Page 56: ...lean roller guide of the moving grate Remove ash from the reversing chamber Check turbulators Clean flue gas recirculation ducts Clean the heat exchanger Clean connection pipe to draught fan Visual ch...

Page 57: ...stop Check silicon hoses for differential pressure switch and transmitter Check air valve Check automatic closing of the actuators Check seal on combustion chamber door Calibrate lambda probe Perform...

Page 58: ...crew Check grate ash screw Clean roller guide of the moving grate Remove ash from the reversing chamber Check turbulators Clean flue gas recirculation ducts Clean the heat exchanger Clean connection p...

Page 59: ...Records Cleaning customer 59 Comments performed on _________________________ performed by _________________________...

Page 60: ...lean roller guide of the moving grate Remove ash from the reversing chamber Check turbulators Clean flue gas recirculation ducts Clean the heat exchanger Clean connection pipe to draught fan Visual ch...

Page 61: ...stop Check silicon hoses for differential pressure switch and transmitter Check air valve Check automatic closing of the actuators Check seal on combustion chamber door Calibrate lambda probe Perform...

Page 62: ...crew Check grate ash screw Clean roller guide of the moving grate Remove ash from the reversing chamber Check turbulators Clean flue gas recirculation ducts Clean the heat exchanger Clean connection p...

Page 63: ...Records Cleaning customer 63 Comments performed on _________________________ performed by _________________________...

Page 64: ...lean roller guide of the moving grate Remove ash from the reversing chamber Check turbulators Clean flue gas recirculation ducts Clean the heat exchanger Clean connection pipe to draught fan Visual ch...

Page 65: ...stop Check silicon hoses for differential pressure switch and transmitter Check air valve Check automatic closing of the actuators Check seal on combustion chamber door Calibrate lambda probe Perform...

Page 66: ...crew Check grate ash screw Clean roller guide of the moving grate Remove ash from the reversing chamber Check turbulators Clean flue gas recirculation ducts Clean the heat exchanger Clean connection p...

Page 67: ...Records Cleaning customer 67 Comments performed on _________________________ performed by _________________________...

Page 68: ...lean roller guide of the moving grate Remove ash from the reversing chamber Check turbulators Clean flue gas recirculation ducts Clean the heat exchanger Clean connection pipe to draught fan Visual ch...

Page 69: ...stop Check silicon hoses for differential pressure switch and transmitter Check air valve Check automatic closing of the actuators Check seal on combustion chamber door Calibrate lambda probe Perform...

Page 70: ...crew Check grate ash screw Clean roller guide of the moving grate Remove ash from the reversing chamber Check turbulators Clean flue gas recirculation ducts Clean the heat exchanger Clean connection p...

Page 71: ...Records Cleaning customer 71 Comments performed on _________________________ performed by _________________________...

Page 72: ...lean roller guide of the moving grate Remove ash from the reversing chamber Check turbulators Clean flue gas recirculation ducts Clean the heat exchanger Clean connection pipe to draught fan Visual ch...

Page 73: ...stop Check silicon hoses for differential pressure switch and transmitter Check air valve Check automatic closing of the actuators Check seal on combustion chamber door Calibrate lambda probe Perform...

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