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MHG Heating GZ 2, Инструкция по установке, эксплуатации и обслуживанию

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List of contents 

 
Norms and regulations....................................................................................................................................................................... 4

 

Exhaust system and effective heat demand ........................................................................................................................................ 4

 

Modern conception ........................................................................................................................................................................... 4

 

Useful design..................................................................................................................................................................................... 4

 

Universal use ..................................................................................................................................................................................... 5

 

Two-stage Operation ......................................................................................................................................................................... 5

 

Easy Installation ................................................................................................................................................................................. 6

 

Instructions for using the burner ........................................................................................................................................................ 6

 

Leak test............................................................................................................................................................................................ 6

 

Rating of the gas ramps ..................................................................................................................................................................... 7

 

Gas compact ramp Rp 1“ and Rp 1¼“ ............................................................................................................................................... 7

 

Gas compact ramp Rp 1½“ and Rp 2“ ............................................................................................................................................... 8

 

Gas compact ramp DN 65 to DN 100................................................................................................................................................. 8

 

Gas ramps GZ 3 liquid gas ................................................................................................................................................................. 8

 

Setting of the switches in the motor valve connection box.................................................................................................................. 8

 

Gasburner and Gas ramps assembly GZ 2 - GZ 4 ................................................................................................................................ 9

 

Table of basic settings and dimensions GZ 2 - GZ 4 ............................................................................................................................ 9

 

Adjusting the burner........................................................................................................................................................................ 10

 

Position air guidance device GZ 3 and GZ 4...................................................................................................................................... 11

 

Air inlet nozzle................................................................................................................................................................................. 11

 

Settings ........................................................................................................................................................................................... 12

 

Spark electrode setting .................................................................................................................................................................... 12

 

Installation position Multiblock......................................................................................................................................................... 12

 

Fault diagnosis................................................................................................................................................................................. 13

 

Fault diagnosis MMI 810.................................................................................................................................................................. 13

 

Fault diagnosis TMG 740-3 and TMG 740-2..................................................................................................................................... 14

 

Troubleshooting .............................................................................................................................................................................. 15

 

Burner dimensions ........................................................................................................................................................................... 17

 

Connections .................................................................................................................................................................................... 18

 

Boiler connections ........................................................................................................................................................................... 18

 

Electric supply diagram .................................................................................................................................................................... 18

 

Assembly with silencer hood for GZ 3  and GZ 4 .............................................................................................................................. 18

 

Circuit diagramm GZ 2..................................................................................................................................................................... 19

 

Circuit diagramm GZ 3.0.................................................................................................................................................................. 20

 

Circuit diagramm GZ 3.1 - GZ 3.3 .................................................................................................................................................... 21

 

Circuit diagramm GZ 4..................................................................................................................................................................... 22

 

Maintenance and service.................................................................................................................................................................. 23

 

Guarantee ....................................................................................................................................................................................... 24

 

Spare parts ...................................................................................................................................................................................... 24

 

Manufacturer's certificate ................................................................................................................................................................ 25

 

EC Declaration of Conformity .......................................................................................................................................................... 26

 

 

 

Содержание GZ 2

Страница 1: ......

Страница 2: ... Table of basic settings and dimensions GZ 2 GZ 4 9 Adjusting the burner 10 Position air guidance device GZ 3 and GZ 4 11 Air inlet nozzle 11 Settings 12 Spark electrode setting 12 Installation position Multiblock 12 Fault diagnosis 13 Fault diagnosis MMI 810 13 Fault diagnosis TMG 740 3 and TMG 740 2 14 Troubleshooting 15 Burner dimensions 17 Connections 18 Boiler connections 18 Electric supply d...

Страница 3: ...is not carried out properly can cause injury to persons or damage to property Work on the heating system y Installation commissioning maintenance and servicing work may only be carried out by an authorised firm of heating con tractors When working on burner and boiler y switch off the heating system emergency switch and secure it to prevent it being switched on again y shut off the oil feed pipe a...

Страница 4: ...ry air sys tems to achieve stable combustion values under varying condi tions and to reduce possible humidity in the chimney These should be installed in the chimney where possible to avoid pos sible noises in the flue pipe Modern conception The gas burners in the GZ 2 GZ 4 series are fully automatic two stage burners in monobloc design They are suitable for natural gas and liquefied gas according...

Страница 5: ...erformance diagram GZ 3 Fig 3 Performance diagram GZ 4 Two stage Operation The use of a modern symmetrically designed high performance mixing system in conjunction with precisely functioning adjust ment at the compact gas ramps GZ 2 GZ 3 0 or at the gas ramps assembly GZ 3 1 GZ 4 makes it possible to adjust out put precisely to heating requirements resulting in optimum en ergy utilisation in both ...

Страница 6: ...on of thermally influenced gas stop valves Fig 4 Gas Gebläsebrenner GZ 3 Instructions for using the burner The burners GZ 2 GZ 4 are basically suitable for use in com mercially available heating boilers intermittent operation for heating residential buildings and for service water Product de velopment and the test procedures have been geared to the operating conditions of these systems The areas o...

Страница 7: ...first time vent the gas pipe and then check the gas ramps for leaks Gas compact ramp Rp 1 and Rp 1 Burner and gas ramps taken from the table on page 9 form a complete unit which has been subject to model certification The conventional arrangement of the gas ramps is designed as an operational compact unit Dirt pan with sieve and filter mat Pressure controller with admission pressure compensation a...

Страница 8: ... model certification Fig 6 Key parts are Dirt pan with sieve and filter mat Safety solenoid opens and shuts quickly with setting for gas volume stage 2 Motor valve with setting for gas volume stage 2 opens slowly and shuts quickly Pressure controller with admission pressure compensation and zero closing Pressure detector setting range 2 5 50 mbar Electrical connection with plug Supply pressure up ...

Страница 9: ...ssure Burner type Gas type Suitable for boiler performance kW Stage 1 m3 h Stage 2 m3 h Dim A mm Dim B mm Dim D mm Stage 1 mbar Stage 2 mbar Stage 1 mbar Stage 2 mbar Air supply nozzle GZ 2 1 Natural gas H L LL 3 Liquefied gas 100 200 10 4 14 5 5 18 50 57 95 2 3 7 8 6 13 10 16 9 5 7 5 GZ 2 2 Natural gas H L LL 3 Liquefied gas 180 300 16 6 23 9 18 70 110 2 5 5 7 5 11 9 20 9 5 GZ 3 0 Natural gas H L...

Страница 10: ...basic settings this adjusts the air velocity in the combustion head together with the flame shape to the combustion chamber conditions c by adjusting the air damper for the 1st and 2nd stage us ing the blue cam controller for stage 1 and orange for stage 2 the air volume is reduced to the left and increased to the right An inadequate air volume in stage 1 is ad justed as follows adjust the blue ca...

Страница 11: ...en opened Both screws on the air inlet nozzle should be loosened slightly and must be screwed tight again after the adjustment has been made Fig 11 Adjusting the air inlet nozzle for GZ 4 The air inlet nozzle can be adjusted once the burner has been switched off and the suction silencer has been hinged away Both screws of the air inlet nozzle should be loosened slightly and must be screwed tight a...

Страница 12: ... 1450 kW 12 Settings Fig 12 Spark electrode setting Fig 13 Installation position Multiblock All gas Multiblocks must only be installed as shown below Installation in the grey area is not permitted Fig 14 GZ 4 liquefied gas GZ 4 natural gas GZ 2 GZ 3 ...

Страница 13: ...ty electric lead Thermostat or gas switch OFF Burner does not start program display turns constantly Air pressure switch not in idle position working contact must be open Connection terminal 1 terminal 9 interrupted Operating voltage 180V Automatic unit shows a fault just after starting pre venting line in blue box Air pressure switch contact does not close No load at terminal 5 Flame signal Autom...

Страница 14: ... starting pre venting line in blue box Air pressure switch contact does not close Flame signal Automatic unit shows a fault during pre venting blue area Air pressure switch contact opens Flame signal Automatic unit shows a fault during the safety period yellow area No flame formed faulty ignition valve does not open etc No or weak flame signal flame does not hold poor insulation of flame sensor bu...

Страница 15: ...essure shown Spark visible Flame OK No ionisation current GZ 2 GZ 4 No infrared display GZ 3 Fault cutout Check connection of neutral and live wires Check gas flow pressure fluctuating pressure gauge display gas pipe too small or pressure controller defect Set infrared flicker detector IRD GZ 2 GZ 4 to 7 check IRD s Position replace IRD GZ 3 Replace firing sequence controller Burner does not start...

Страница 16: ...al GZ 3 Flame does not hold poor insulation of flame sensor burner not correctly connected to earth conductor Check pulse lead Check ionisation current fault current GZ 2 GZ 4 check infrared flicker detector IRD GZ 3 Burner starts up automatic device shows fault during operation setting Flame breaks off Air pressure switch contact opens Ionisation current too low GZ 2 GZ 4 Flame signal too low GZ ...

Страница 17: ...0 140 140 350 490 380 375 GZ 3 1 Natural gas Rp 1 265 350 525 130 850 140 175 320 490 380 386 GZ 3 1 Natural gas Rp 2 265 350 570 130 850 140 175 320 490 380 386 GZ 3 2 Natural gas Rp 2 270 350 570 130 850 152 200 320 490 380 386 GZ 3 3 Natural gas Rp 2 270 470 570 130 970 152 200 320 490 380 386 GZ 3 3 Natural gas DN 65 270 470 1580 180 970 152 200 370 490 380 386 GZ 4 1 Natural gas Rp 2 430 590 ...

Страница 18: ...supply diagram Assembly with silencer hood for GZ 3 and GZ 4 When a silencer hood is fitted the pipe double nipple may have to be lengthened to a size of 200 mm The pipe length between gas ramps and burner should be as short possible For gas burners GZ 3 and GZ 4 the max pipe length is 800 mm A bracket is required to take the weight of the gas ramps The dimension H must be checked before erecting ...

Страница 19: ... pressure switch Air pressure switch Ionization Condenser Motor with condenser Ignition transformer Servomotor Solenoid valve two stage stage 1 and 2 Safety solenoid valve Gas burner automatic safety l Leakage tester Observe local and VDE regulations Connections to earth potential being executed carefully Also when using the leak check Caution do not confuse phase and Mp Multibloc Working hours 2 ...

Страница 20: ...Air pressure switch Infra red flicker detector Condenser Motor with condenser Ignition transformer Servomotor Solenoid valve two stage stage 1 and 2 Safety solenoid valve Gas burner automatic safety control Leakage tester Observe local and VDE regulations Connections to earth potential being executed carefully Fig 20 Also when using the leak check Caution do not confuse phase and Mp Multibloc Work...

Страница 21: ...ure Item b2 b3 b4 b5 b6 b8 c1 e2 IS m1 m2 m3 s1 s2 u1 u2 Indication On off Switch Safety thermostat On off thermostat On off thermostat Gas pressure switch Air pressure switch Motor contactor Bimetallic relais Infra red flicker detector Motor with condenser Ignition transformer Servomotor Solenoid valve two stage stage 1 and 2 Safety solenoid valve Gas burner automatic safety control Leakage teste...

Страница 22: ...hours 1 Failure When using the leak check Item b2 b3 b4 b5 b6 b8 c1 e1 e2 IS m1 m2 m3 s1 s2 u1 u2 Indication On off Switch Safety thermostat On off thermostat 1 On off thermostat 2 Gas pressure switch Air pressure switch Motor contactor Motorsicherung Bimetallic relais Ionisation electrode Motor Ignition transformer Servomotor Solenoid valve Engine valve Gas burner automatic safety Leakage tester ...

Страница 23: ...25 For maintenance the burner is removed from its housing by turning the four quick release screws and disconnecting the gas compact ramps or the gas ramps system then hanging it in one of the service positions GZ 2 GZ 3 In GZ 4 the nozzle system can be removed separately after dis connecting the ignition cable plug and the ionisation cable and after unscrewing the flange cover screws Before remov...

Страница 24: ...rantee period lasts for 24 months after first start up and not more than 27 months after the date of dispatch Please consult the burner documents for details For details please consult the burner card Spare parts When replacing parts only use original spare parts from MHG Some components are specially designed and manu factured for MHG burners When ordering spare parts please always state the burn...

Страница 25: ...he requirements of the stated directives and standards and correspond to the design tested by the above stated testing agency However this declaration does not constitute a warranty of any qualities In addition this burner remains below the tolerable value of max 120 mg kWh for nitrogen oxide stipulated in the ordinance text of 7 2 1 BImSchV First ordinance for implementation of the German Emissio...

Страница 26: ...as burners stated below Product Gas burner Trade name Forced draught burner Type GZ 2 GZ 3 GZ 4 correspond to the type design described in the EU type design test certificate They comply with the valid requirements of gas appliance directive 90 396 EEC dated 29 06 1990 MHG Heiztechnik GmbH Niedermayer i V Gieseler Zertifiziert nach ISO 9001 Germanischer Lloyd Certification ...

Страница 27: ...GZ 2 GZ 4 100 1450 kW Your notes 27 ...

Страница 28: ......

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