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PART I: INSTALLATION MANUAL

13

PRESSURE - RATE IN COMBUSTION HEAD CURVES

The pressure - gas rate curves are referred to the burner in operation with 3% of O

2

, with the combustion head at the maximum

opening, servocontrol at the maximum opening and gas butterfly valve fully opened. Refer to Fig. 16, showing the correct way to
take the gas pressure, considering values of backpressure in combustion chamber.

Fig. 16

Key

1

Boiler

2

Gas pressure port on butterfly valve

3

Sightglass cooling port

4

Water column pressure gauge

Curves are referred to a null pressure in combustion head!

NOTE: THE PRESSURE-RATE CURVES ARE INDICATIVE; FOR A PROPER SETTING OF THE GAS RATE, PLEASE

REFER TO THE GAS METER READING.

1

3

4

2

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Содержание Enterprise LG 120

Страница 1: ......

Страница 2: ...ssory equipment only shall be used z This unit shall be employed exclusively for the use for which it is meant Any other use shall be considered as improper and therefore dangerous The manufacturer shall not be held liable by agreement or otherwise for damages resulting from improper installation use and failure to comply with the instructions supplied by the manufacturer 2 SPECIAL INSTRUCTIONS FO...

Страница 3: ...animals or damage to property for which the manufacturer cannot be held liable z Before installation it is recommended that all the fuel sup ply system pipes be carefully cleaned inside to remove foreign matter that might impair the burner operation z Before the burner is commissioned qualified personnel should inspect the following a the fuel supply system for proper sealing b the fuel flow rate ...

Страница 4: ...Current absorption A 2 2 2 2 2 Protection IP40 IP40 IP40 IP40 IP40 Approx weight Kg 18 18 18 18 18 Valves size 1 2 3 4 1 1 2 3 4 Gas connection Rp 1 2 Rp 3 4 Rp 1 Rp 1 2 Rp 3 4 Operation Single stage Single stage Single stage Single stage Single stage Destination country SINGLE STAGE BURNERS NG140 15 NG140 20 NG140 25 LG140 15 Output min kW 60 60 60 60 max kW 170 170 170 170 min kcal h 51 600 51 6...

Страница 5: ...sorption A 2 2 2 2 Protection IP40 IP40 IP40 IP40 Approx weight Kg 20 20 20 20 Valves size 3 4 1 3 4 1 Gas connection Rp 3 4 Rp 1 Rp 3 4 Rp 1 Operation Single stage Single stage Single stage Single stage Destination country HIGH LOW FLAME BURNERS NG140 15 NG140 20 NG140 25 LG140 15 Output min kW 35 35 35 40 max kW 170 170 170 170 min kcal h 30 100 30 100 30 100 34 400 max kcal h 146 200 146 200 14...

Страница 6: ... 230V 50 Hz Total power consumption W 480 480 480 480 Electric motor 2800 rpm W 180 180 180 180 Current absorption A 2 2 2 2 Protection IP40 IP40 IP40 IP40 Approx weight Kg 20 20 20 20 Valves size 3 4 1 3 4 1 Gas connection Rp 3 4 Rp 1 Rp 3 4 Rp 1 Operation High Low flame High Low flame High Low flame High Low flame Destination country BURNERS NGX120 M TN 20 NGX120 M AB 20 Output min kW 75 35 max ...

Страница 7: ...sumption W 480 480 Electric motor 2800 rpm W 180 180 Current absorption A 2 2 Protection IP40 IP40 Approx weight Kg 20 20 Valves size 3 4 1 Gas connection Rp 3 4 Rp 1 Operation Single stage Single stage Destination country HIGH LOW FLAME BURNERS NGX200 20 NGX200 25 Output min kW 40 40 max kW 150 150 min kcal h 34 400 34 400 max kcal h 129 000 129 000 Fuel Natural gas Natural gas Category Gas rate ...

Страница 8: ...bed as follow Type NG140 Model M TN S A 0 20 1 2 3 4 5 6 7 8 1 BURNER TYPE NG140 NG Natural gas burner LG L P G burner NGX Low NOx burners 2 FUEL M Natural gas L LPG 3 OPERATION Available versions TN Single stage on off AB Double stage high low flame 4 BLAST TUBE S Standard L Long 5 DESTINATION COUNTRY see data plate 6 BURNER VERSION A Standard Y Special 7 EQUIPMENT 0 2 gas valves 1 2 Gas valves l...

Страница 9: ...0 85 270 390 575 373 117 125 158 188 245 M8 188 108 158 133 376 461 201 286 175 32 537 340 108 Gas Train A B C D G H J K L M N O P Q R S T W X min max min max min max min max min max Blast tube Standard NGX120 15 20 581 85 170 390 475 373 108 125 158 188 245 M8 188 108 158 133 376 461 201 286 175 32 537 340 NGX120 NGX200 25 581 85 170 390 475 373 108 125 158 188 245 M8 188 108 158 133 421 506 201 ...

Страница 10: ...mbar NG140 M TN kW NG140 M AB kW Fig 3 Fig 4 BACK PRESSURE IN CCOMBUSTION CHAMBER mbar NG200 M TN kW NG200 M AB kW Fig 5 Fig 6 1 0 1 2 3 4 5 50 60 70 80 90 100 110 120 130 140 150 1 0 1 2 3 4 5 40 80 120 160 200 1 0 1 2 3 4 5 20 60 100 140 180 220 1 0 1 2 3 4 5 6 50 75 100 125 150 175 200 225 250 1 0 1 2 3 4 5 6 25 50 75 100 125 150 175 200 225 250 ...

Страница 11: ...kW LG140 L AB kW Fig 8 Fig 9 BACK PRESSURE IN CCOMBUSTION CHAMBER mbar LG200 L TN kW LG200 L AB kW Fig 10 Fig 11 1 0 1 2 3 4 5 50 60 70 80 90 100 110 120 130 1 0 1 2 3 4 5 50 70 90 110 130 150 170 190 210 1 0 1 2 3 4 5 30 50 70 90 110 130 150 170 190 210 1 0 1 2 3 4 5 6 80 100 120 140 160 180 200 220 240 1 0 1 2 3 4 5 6 30 50 70 90 110 130 150 170 190 210 230 ...

Страница 12: ...r NGX120 M TN kW NGX120 M AB kW Fig 12 Fig 13 BACK PRESSURE IN CCOMBUSTION CHAMBER mbar NGX200 M TN kW NGX200 M AB kW Fig 14 Fig 15 1 0 1 2 3 4 5 70 80 90 100 110 120 130 1 0 1 2 3 4 5 25 50 75 100 125 1 0 1 2 3 4 5 6 80 100 120 140 160 180 1 0 1 2 3 4 5 6 20 40 60 80 100 120 140 160 180 ...

Страница 13: ...terfly valve fully opened Refer to Fig 16 showing the correct way to take the gas pressure considering values of backpressure in combustion chamber Fig 16 Key 1 Boiler 2 Gas pressure port on butterfly valve 3 Sightglass cooling port 4 Water column pressure gauge Curves are referred to a null pressure in combustion head NOTE THE PRESSURE RATE CURVES ARE INDICATIVE FOR A PROPER SETTING OF THE GAS RA...

Страница 14: ...URVES Gas pressure in combustion head NG120 Gas rate Stm3 h Fig 17 Gas pressure in combustion head NG140 Gas rate Stm3 h NG200 Gas rate Stm3 h Fig 18 Fig 19 0 2 4 6 2 4 6 8 10 12 14 0 2 4 6 8 10 2 4 6 8 10 12 14 16 18 20 0 2 4 6 8 10 12 4 6 8 10 12 14 16 18 20 22 24 ...

Страница 15: ...e Stm3 h LG200 Gas rate Stm3 h Fig 21 Fig 22 Low NOx burners Gas pressure in combustion head NGX120 Gas rate Stm3 h NGX200 Gas rate Stm3 h Fig 23 Fig 24 0 2 4 6 8 0 5 1 5 2 5 3 5 4 5 5 5 0 2 4 6 8 10 12 14 16 0 5 1 5 2 5 3 5 4 5 5 5 6 5 7 5 0 2 4 6 8 10 12 14 16 1 5 2 5 3 5 4 5 5 5 6 5 7 5 8 5 0 2 4 6 8 2 4 6 8 10 12 14 0 2 4 6 8 4 6 8 10 12 14 16 18 ...

Страница 16: ...Fig 27 GAS PRESSURE mbar NG200 M TN Gas rate Stm3 h NG200 M AB Gas rate Stm3 h Fig 28 Fig 29 0 5 10 15 20 50 60 70 80 90 100 110 120 130 140 150 Rp 20 Rp 15 Rp 1 25 0 5 10 15 20 25 5 7 9 11 13 15 17 19 21 23 Rp 1 25 Rp 20 0 5 10 15 20 25 2 4 6 8 10 12 14 16 18 20 22 24 Rp 20 Rp 1 25 0 5 10 15 20 25 5 10 15 20 25 30 Rp 1 25 Rp 20 0 5 10 15 20 25 2 4 6 8 10 12 14 16 18 20 22 24 26 28 Rp 1 25 Rp 20 ...

Страница 17: ...rate Stm3 h Fig 31 Fig 32 GAS PRESSURE mbar LG200 L TN Gas rate Stm3 h LG200 L AB Gas rate Stm3 h Fig 33 Fig 34 0 2 4 6 8 10 12 50 60 70 80 90 100 110 120 130 Rp 20 Rp 15 0 2 4 6 8 10 12 14 16 18 20 22 24 2 3 4 5 6 7 0 2 4 6 8 10 12 14 16 18 20 22 24 1 2 3 4 5 6 7 0 2 4 6 8 10 12 14 16 18 20 22 3 4 5 6 7 8 9 0 2 4 6 8 10 12 14 16 18 20 22 1 2 3 4 5 6 7 8 9 ...

Страница 18: ...m3 h Fig 35 Fig 36 GAS PRESSURE mbar NGX200 M TN Gas rate Stm3 h NGX200 M AB Gas rate Stm3 h Fig 37 Fig 38 0 5 10 15 20 25 30 70 80 90 100 110 120 130 Rp 15 Rp 1 25 Rp 20 0 5 10 15 20 25 30 25 50 75 100 125 Rp 15 Rp 1 25 Rp 20 0 4 8 12 16 8 10 12 14 16 18 Rp 1 25 Rp 20 0 4 8 12 16 4 6 8 10 12 14 16 18 Rp 1 25 Rp 20 ...

Страница 19: ...scribed in the diagram in Fig 40 In case the burner must be coupled with boilers with a combustion chamber smaller in diameter or shorter than those described in the diagram please contact the supplier to verify that a correct matching is possible with respect of the application involved To correctly match the burner to the boiler verify the necessary input and the pressure in combustion chamber a...

Страница 20: ...on cock z Remove the burner cover z Make the connections to the connector following the diagrams shown z Refit the burner cover Single stage burners high low flame burners Fig 41a Fig 41b RESPECT THE BASIC SAFETY RULES MAKE SURE OF THE CONNECTION TO THE EARTHING SYSTEM DO NOT REVERSE THE PHASE AND NEUTRAL CONNECTIONS FIT A DIFFERENTIAL THERMAL MAGNET SWITCH ADEQUATE FOR CONNECTION TO THE MAINS Fig...

Страница 21: ...he pressure stabilizer is adjusted by operating the screw VS loca ted under the cover C By screwing down the pressure is increased and by unscrewing it is reduced Note the screw VSB must be removed only in case of replace mente of the coil Leakage control device VPS504 Optional The VPS504 check the operation of the seal of the gas shut off val ves costituting the MB DLE This check carried out as s...

Страница 22: ...to the low flame position Tho change the gas rate slacken the screws V1 and V2 Fig 44b and set the opening angle of the buttefly valve rotating the round plate C by means of the screw V3 turn clockwise to decrease the gas rate or counterclockwise to increase it The index S shows the opening angle of the butterfly valve 4 If it should be necessary to adjust the rating of the burner in low flame wor...

Страница 23: ... adjusting ring nut VR and let the burner lock read the pressure value on the scale of the pressure switch and decrease it of 0 5 mbar z Repeat the start up cycle and check the burner runs properly z Refit the transparent plastic cover on the pressure switch Calibration of air pressure switch high low flame burners Calibration is carried out as follows z Remove the transparent plastic cap z With t...

Страница 24: ... than 80 ppm screw down the adjusting ring nut until the burner lockout If CO emissions are greater than 80 ppm open the shut off valve until the CO value is reduced to 80 ppm then screw down the adjusting ring nut until the burner lockout z Fully open the manual shut off valve WARNING carry out this operation ONLY with the burner turned off z Refit the transparent plastic cover on the pressure sw...

Страница 25: ... ELECTRICAL LEADS OPENING THE GENERATOR DOOR DISMANTLING OF PART OF THE BURNER NEVER OPEN OR DISMANTLE ANY COMPONENT OF THE MACHINE OPERATE ONLY THE MAIN SWITCH WHICH THROUGH ITS EASY ACCESSIBILITY AND RAPIDITY OF OPERATION ALSO FUNCTIONS AS AN EMERGENCY SWITCH AND ON THE RESET BUTTON IN THE EVENT OF REPEATED LOCKOUTS DO NOT PERSIST WITH THE RESET BUTTON AND CONTACT QUALIFIED PERSONNEL WHO WILL PR...

Страница 26: ... referring to the diagram in Fig 51 Disassembly of component plate z Before proceeding to maintenance operations remove the component plate C by unscrewing the V1 V2 V3 V4 screws and the F securing pin Fig 49a z Remove the rubber cable holder unscrewing the fixing screws as shown in Fig 49b z Free the rod T as shown in Fig 49c Fig 49d z Disconnect the connector C Fig 49e z Couple the plate as show...

Страница 27: ...49e Fig 49f Fig 49g Correct electrodes position To guarantee a proper ignition the measures indicated in Fig 50 must be respected Ensure the locking screw VE of the electrodes group is tight before refit the burner Fig 50 Fig 50a C VE VE ...

Страница 28: ...stor 1Mohm RC466890660 RC Landis filter Fig 52a BURNER DOESN T START BURNER CONTINUES PRE PURGUE PHASE BURNER DOESN T START AND LOCKS BURNER DOESN T START AND REPEATS CYCLE BURNER STARS AND REPEATS CYCLE BURNER LOCKS DURING OPERATION BURNER SHUTS OFF AND REPEATS CYCLE DURING OPERATION FLAME CONTROLLER REPEATS THE CYCLE WITHOUT GIVE CONSENT BURNER STARTS AND LOCKS LACK OF GAS GAS PRESSURE SWITCH FA...

Страница 29: ...pressure switch PG Minimum gas pressure switch PS Reset pushbutton for flame control device SATRONIC DK0976 DKW976Flame controller SATRONIC DKW972 Flame controller ST Group of thermostats or pressure switches STA4 5B0 37 63N21L BERGER servocontrol for air damper SW1 Second stage pushbutton TA Ignition transformer TAB High low flame thermostat if fitted remove the bridge between terminals 6 and 7 o...

Страница 30: ...PART III MAINTENANCE MANUAL 30 Wiring diagram cod 01 319 4 Single stage burners ...

Страница 31: ...PART III MAINTENANCE MANUAL 31 Wiring diagram 18 069 Rev 1 High Low flame burners ...

Страница 32: ...PART III MAINTENANCE MANUAL 32 Wiring diagram 18 069 Connectors layout on printed circuit ...

Страница 33: ...IFICATIONS 33 LANDIS LGB 21 22 FLAME CONTROLLER 34 LANDIS LMG21 22 25 FLAME CONTROLLER 37 GAS MULTIBLOC REGULATOR DUNGS MB DLE 405 407 410 412 415 420 40 VALVE PROVING SYSTEM DUNGS VPS504 40 APPENDIX COMPONENTS SPECIFICATIONS ...

Страница 34: ... control thermostat pressure controller R Terminal 12 receives voltage and the programming mechanism starts running On completion of waiting time tw with the LGB21 or after air damper SA has reached the nominal load position on completion of t11 with the LGB22 fan motor M will be started tw Waiting time During the waiting time air pressure monitor LP and flame relay FR are tested for correct conta...

Страница 35: ...e front part of the safety appliance is located a plexiglass lunette under which there is the indicator disc of programme s progress In the event of safety stop the programmer stops The disc shows as follows the position of the programme at which the interruption occur red no start up the command ring is open interval tw or t10 on LGB21 tw or t11 on LGB22 air damper open LGB22 safety stop block th...

Страница 36: ...uctor R Thermostat or pressostat W Safety thermostat or pressostat Z Ignition transformer Key programmer s diagram A start up command from regulator R B burner operation C program start position start up tw waiting time t1 preventilation time TSA safety time t3 pre ignition time t4 interval of time BV1 BV2 or BV1 LR t10 waiting time for confirmation of air pressure t11 air damper movement time to ...

Страница 37: ...of the servocontrol SA only with LMG22 The servocontrol SA moves to the low flame posi tion t10 Specified time for the air pressure signal When this time has elapsed the set value of air pressure must have built up else a lock out is initiated t1 Pre purgue time Purguing of the combustion chamber and the secondary heating sur faces with low load combustion head for LMG21 25 or with fully load comb...

Страница 38: ...output regulation M Fan motor R Safety thermostat or pressure switch SB Safety limit W Regulation thermostat or pressure switch Z Ignition transformer tw Waiting time t1 Pre ventilation time TSA Ignition safety time t3 Pre ignition time t3n Ignition time during TSA t4 Interval BV BV2 or BV1 LR t10 Specified time for air pressure signal t11 Programmed opening time for actua tor SA t12 Programmed cl...

Страница 39: ...me control device stopped Stop red lamp switched on Release of the flame control device Press the release button for 0 5 3 seconds Diagnosis of troubles Wait at least 10s Press the release button for 3s z Count the number of flashing of the green lamp and compare with the Diagnosis Table Diagnosis table Number of flashing Possible causes 2 flashing No flame at the end of the Safety time Detection ...

Страница 40: ...of valve V2 pressure switch A2 mountable on adapter laterally Closed position signal contact Closed position signal contact type K01 1 DIN tested mountable on V2 Voltage frequency AC 50 60Hz 230 V 15 10 Preferred voltages 240VAC 110 120VAc 24 28VDC 48VDC Electrical connection Plug connection as per DIN 43 650 IEC 335 IEC 730 VDE 0700 VDE 0722 for valves and pressure switches Rating power consumpti...

Страница 41: ...APPENDIX COMPONENTS SPECIFICATIONS 41 ...

Страница 42: ...APPENDIX COMPONENTS SPECIFICATIONS 42 ...

Страница 43: ...APPENDIX COMPONENTS SPECIFICATIONS 43 ...

Страница 44: ...N 90 446 545 923 51 Assembly Tullamarine Vic 3043 Australia PO Box 356 Tullamarine Vic 3043 Australia 61 3 9330 3300 61 3 9310 5655 sales automaticheating com au Telephone Facsimile Email www automaticheating com au DISTRIBUTED BY ...

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