Giersch MG2-ZM-L, Installation Instructions Manual

Page 1: ...Issued in November 2021 Subject to tech modifications to improve the product Gas Technical Information Installation Instructions MG2 ZM L GB...

Page 2: ...connector pin assignments 7 12 Electrical connection 8 13 Air flap positioning motor 9 14 Air pressure switch 9 15 Gas pressure monitor 10 16 Adjusting the ignition electrode 11 17 Flame control with...

Page 3: ...fore installing the gas burner please check the scope of delivery Scope of delivery burner housing gas jacket with burner pipe mount ing kit documentation and gas train Gas installation and commission...

Page 4: ...or repair the fitting of non genuine parts or where the equipment has been used for purposes for which it was not intend ed 4 Operating instructions The operating instructions together with this techn...

Page 5: ...et to the boiler using the four M10 fastening screws with washers and a size Allen key The air pressure switch for the gas train must be at the top Burner type Technical data MG2 ZM L Min burner in kW...

Page 6: ...on the burner housing in the gas jacket hinge and secure it with a rod The burner is now in the service position Attach the ignition and ionisation cable to the igni tion and ionisation electrodes Car...

Page 7: ...H 0 0 09 0 HDUE 8UVSU 63B VWURNRVFK DWXP DWXP UVHW W GXUFK RLOHU bQGHUXQJ HSU UVDW YRQ QHUWHFK PE UHQQHU XQG HL V VWHPH D 1DPH HLFKQ 1U GHQW 1U HVVHO XQGH QVFKOXVV HVVHO ZHLVWXILJ QVFKOXVV HVVHO PRGXO...

Page 8: ...s The supply cable to the burner must be of the flexi ble type To access the firing unit the cover must be brought to the service position To do this remove the secur ing screws 1 and fold the cover d...

Page 9: ...rners The motor is activated electron ically via the microprocessor controlled control box Do not open the air flap actuator while it is under voltage The internal optics would be destroyed No warrant...

Page 10: ...gas pressure switch DK in this case the plug bridge GDW MIN must be replaced with the connection of the gas pressure switch MIN When using the MB VEF 412 gas line the connec tion is made via the 7 pi...

Page 11: ...isation current The ionisation current must be measured during burner start up and maintenance or after a fault in dication in the control box Disconnect the plug of the ionisation cable and connect t...

Page 12: ...HJHOXQJ H WHUQHU HXVWXQJVUHJOHU XIWGUXFNZlFKWHU QRLVDWLRQVIODPPHQI KOHU 45 1 45 21 3 ODPPHQZlFKWHU 45 45 89 ODPPHQI KOHU 45 UHQQVWRII lKOHU 3 1 3 1 3 1 3 7 3 3 PLQ 3 PD 3 3 3 Limit switch Burner Blowe...

Page 13: ...in parametrisation mode Unlock in case of fault One menu level down Button Reduce value For navigating in curve setting information and service mode Button Increase value For navigating in curve setti...

Page 14: ...th voltage gas pressure is built up and there is no demand for heat The firing managers are parametrized in the factory OFF UPr appears in the display during first start up Enter password Action butto...

Page 15: ...the setting tables to preset the values Action button Display Description When the firing machine is programmed run is displayed i reset skips the next steps an continues at the section Start heat set...

Page 16: ...oad air flap Hold down button A and set the value with the or button Move to the next curve point Action button Display Description When heat demand is present Confirm with i reset button Burner start...

Page 17: ...button to confirm Ignition ON Valves ON Ignition OFF Flame in start position When transferring P1 to P2 for the first time CALC appears briefly The curve points P2 to P9 are calculated auto matically...

Page 18: ...Action button Display Description Check the high load setting via the gas flow at the gas meter or compare the nozzle pressure with the values stated in 24 Adjustment tables Hold down A button and use...

Page 19: ...fety time ignition transformer ON Ph42 First safety time ignition transformer OFF Ph44 Interval 1 Ph50 Second safety time Ph52 Interval 2 Ph60 Operation 1 stationary Ph62 Maximum time small load setti...

Page 20: ...all flame slightly in the direction and repeat start KEV 1 KEV2 KEV DN65 VGD20 40 VGD20 50 VGD40 65 alle SKP15 75 KEV412 1 MB VEF 412 Installation of the gas train Installation position only in horizo...

Page 21: ...f CO2 too low O2 too high Change in direction if CO2 too high O2 too low Small flame N setting Exhaust gas analysis values Change in direction if CO2 too low O2 too high Change in direction if CO2 too...

Page 22: ...ospheric pressure B acc to Tab 989 mbar Gas pressure PG at gas meter 20 mbar Gas temperature G 16 C Boiler output Qn 220 kW Efficiency K assumed 92 Calorific value Hi n 10 4 kWh m3 Gas flow in standar...

Page 23: ...on air flap 2 St 1 St P9 P1 kW kW kW mbar mbar m3 h m3 h mbar mbar m3 h m3 h 330 230 297 2 3 1 2 38 1 26 5 1 6 0 8 35 6 24 8 15 8 430 300 387 3 9 2 0 49 6 34 6 2 7 1 4 46 4 32 4 22 13 570 400 513 6 3...

Page 24: ...ide is leaking Check whether the pressure switch for the leak test is closed when gas pressure is applied Check wiring for short circuit 14 0 POC open Check whether valve NC contact is closed 1 POC cl...

Page 25: ...ble defective 95 3 Ignition trans former 4 Fuel valve 1 5 Fuel valve 2 6 Fuel valve 3 External supply NOC Check wiring 96 3 Ignition trans former 4 Fuel valve 1 5 Fuel valve 2 6 Fuel valve 3 Relay wel...

Page 26: ...just ments log Boiler type Gas fitting Measured values min max Date P0 start point P1 min load P9 max load Flue gas temperature C Carbon dioxide CO2 level O2 content CO level Flue mbar Nozzle pressure...

Page 27: ...Subject to alterations 22 11 21 27 30 Exploded view drawing spare parts list 26 Exploded view drawing spare parts list ZBZ_2 612...

Page 28: ...0698 9 Air flap MG20 1 47 90 27030 10 Positioning drive SQN33 1 47 90 29097 11 Sight glass cover 5 47 50 12106 12 Hood 1 47 90 24857 13 Inspection glass with seal 1 36 90 11544 14 Fan wheel 224 x 82 1...

Page 29: ...bH Adjutantenkamp 18 in D 58675 Hemer declare under our responsibility that gas burner type MG2 is conform with the regulations of these directives MD2006 42 EG EMC2014 30 EU GAD 2016 426 EU LVD2014 3...

Page 30: ...as the drawings photos and technical descriptions placed at your disposal remain our property and may not be duplicated without our written permission given in advance Subject to alterations 28 Dimens...