Unigas RX90 Скачать руководство пользователя страница 8

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* NOTE ON THE BURNER WORKING SERVICE:

for safety reasons, one controlled shutdown must be performed every 24 hours of

continuous operation.

Country and usefulness gas categories

BURNER TYPE

RX510

RX515

RX520

Output

min - max kW

800 - 3250

770 - 4400

1000 - 5800

Fuel

Natural gas

Содержание RX90

Страница 1: ...M039218CD Rel 3 0 11 2010 BURNERS BRUCIATORI BRULERS BRENNER QUEMADORES Gas burners Low NOx series MANUAL OF INSTALLATION USE MAINTENANCE RX90 RX91 RX510 RX515 RX520...

Страница 2: ...ion head 28 Pressure in combustion head gas flow rate curves 29 ADJUSTING AIR AND GAS FLOW RATES 30 Gas Filter 30 Adjusting the pilot gas flow rate 30 Adjusting air and gas flow rates 31 Adjustments b...

Страница 3: ...electricity gas oil or other fuel Observe caution with hot burner components These are usually near to the flame and the fuel pre heating system they become hot during the unit operation and will rem...

Страница 4: ...or explosive mixtures DIRECTIVES AND STANDARDS Gas burners European directives Directive 2009 142 EC Gas Appliances Directive 2006 95 EC on low voltage Directive 2004 108 EC on electromagnetic compat...

Страница 5: ...m the supply line passes through the valves group provided with filter and governor This one forces the pressure in the utilisation limits The electric actuator that moves proportionally the air dampe...

Страница 6: ...value upstream the burner s gas valve Then sub tract the backpressure The result is called pgas Draw a vertical line matching the furnace input value 600kW in the example quoted on the x axis as far...

Страница 7: ...80 DN80 100 DN100 BURNER TYPE RX90 RX91 Output min max kW 288 1480 674 2008 Fuel Natural gas Category see next paragraph Gas rate min max Stm3 h 30 5 157 71 213 Gas pressure see Note 2 Power supply 40...

Страница 8: ...Progressive Fully modulating Gas train 50 Valves Connections 50 Rp 2 Gas train 65 Valves Connections 65 DN65 Gas train 80 Valves Connections 80 DN80 Gas train 100 Valves Connections 100 DN100 Operatin...

Страница 9: ...419 843 422 1393 959 434 228 258 307 360 464 M12 417 280 310 295 592 148 444 750 322 649 228 185 RX90 100 1168 242 35 592 145 290 419 843 422 1483 1049 434 228 258 447 360 464 M12 417 280 310 295 672...

Страница 10: ...390 755 150 605 843 216 867 328 270 RX515 65 1514 323 35 530 508 924 446 1691 1049 642 305 345 494 540 612 M14 552 390 390 633 150 483 843 292 882 328 270 RX515 80 1514 323 35 530 508 924 446 1726 10...

Страница 11: ...m output point is rea ched setting the combustion head to its MIN position During the first ignition the combustion head is set in order to find a compromise between the burner output and the generato...

Страница 12: ...hamber is not included To know the minimum pressure at the gas train inlet necessary to get the reque sted gas rate add the pressure value in the combustion chamber to the value read on the y axis 0 1...

Страница 13: ...l ceramic fibre cord or refractory cement The burner is designed to work positioned according to the picture below For different installations please contact the Technical Department MOUNTING AND CONN...

Страница 14: ...ube lenght follow the instructions of the boiler manufacturer In absence of these consider the fol lowing Cast iron boilers three pass flue boilers with the first pass in the rear part the blast tube...

Страница 15: ...hoice of the burner must be revised consulting the burner manufacturer To choose the blast tube lenght follow the instructions of the boiler manufacturer In absence of these consider the fol lowing Ca...

Страница 16: ...uilt in gas pressure governor VPS504 gas proving system Gas train 2 Rp2 Gas train with valves group MBC 1200SE 2 valves gas filter pressure governor VPS504 gas proving system Gas train 3 DN65 80 100 G...

Страница 17: ...eakage pressure switch Gas train 6 DN65 80 100 Gas train with valves group MBC 1900 3100 5000SE 2 valves gas filter pressure governor PGCP gas leakage pressure switch 1 Burner 2 Butterfly valve 3 Gas...

Страница 18: ...s train 9 DN65 80 100 Gas train with valves group MBC 1900 3100 5000SE 2 valves gas filter pressure governor VPS504 gas proving system 1 Burner 2 Butterfly valve 3 Gas proving system 4 Maximum gas pre...

Страница 19: ...80 100 Gas train with valves group MBC 1900 3100 5000SE 2 valves gas filter pressure governor pressure switch PGCP 1 Burner 2 Butterfly valve 4 Maximum gas pressure switch option 5 Minimum gas pressur...

Страница 20: ...pe port 3 from the he valves group of the main gas train to the pilot valve ATTENTION it is recommended to mount filter and gas valves to avoid that extraneous material drops inside the valves during...

Страница 21: ...the gaskets are not part of the standard supply The procedures of installation fo the gas valves are showed in the next paragraphs according to the gas train used threaded gas trains with Multibloc D...

Страница 22: ...ake certain that the O rings and gaskets between the flanges and the double gas valve are fitted Connect the reference gas pipe TP in figure 8mm external size pipe supplied loose to the gas pressure n...

Страница 23: ...O rings see Fig 14 3 Tighten screws A H 4 After installation perform leakage and functional test 5 Disassembly in reverse order Fig 14 Mounting 1 Insert setscrews A 2 Insert seals 3 Insert setscrews...

Страница 24: ...up gas proving system pressure switches Performance range mbar 4 20 20 40 40 80 80 150 Spring colour red black green Performance range mbar 0 22 15 120 100 250 Spring colour neutral yellow red ATTENTI...

Страница 25: ...ure 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 ATTENTION before executing t...

Страница 26: ...next elements Fig 19 Fig 21 LB Burner s lockout signalling LED LSPG Gas proving system lockout signalling LED 3 In case of modulating burners the 5 6 and 7 terminals on the MA teminal block are alrea...

Страница 27: ...ication on the body In the event of wrong rotation reverse the three phase supply and check again the rotation of the motor NOTE the burners are supplied for three phase 400V supply and in the case of...

Страница 28: ...2 Pressure outlet on the combustion chamber 3 Gas pressure outlet on the butterfly valve 4 Differential pressure gauge Measuring the gas pressure in the combustion head In order to measure the pressur...

Страница 29: ...re in combustion head mbar RX510 Stm3 h RX515 Stm3 h Gas pressure in combustion head mbar RX520 Stm3 h 0 5 10 15 20 25 30 20 40 60 80 100 120 140 160 5 15 25 35 45 55 60 80 100 120 140 160 180 200 220...

Страница 30: ...se a screwdriver on the screw TR as shown below Screw to increase the pressure unscrew to decrease once the regulation is performed replace cap T Fig 27 Keys 1 Gas filter 3 Gas proving system 4 Gas va...

Страница 31: ...nge the burner setting during the testing in the plant follow the next procedure On the DUNGS MBC SE gas valves group set the pressure regulator to 1 3 of its stroke using a 2 5 allen key Now adjust t...

Страница 32: ...y the microswitch to higher values until it reaches the high flame position always check the combustion values and eventually adjusting the gas by means of the valves group stabiliser 7 go on adjustin...

Страница 33: ...he minimum as far as fully modulating burners see related paragraph in order that the actuator moves progressively towards the low flame position 14 move cam III to the minimum to move the actuator to...

Страница 34: ...flow rates check continuosly the flue gas analisys as to avoid combustion with little air dose the air according to the gas flow rate change following the steps below 8 acting on the pressure stabilis...

Страница 35: ...the cam foil shape is defined reconnect the TAB thermostat reconnecting the wire to the terminal no 6 or setting the RWF40 burner modulator to AUTO or the CMF switch to 3 only for fully modulating bur...

Страница 36: ...der that RX515 the two attached to the diffuser lean out 42mm from the diffuser edge the other four lean out 62mm RX520 the two attached to the diffuser lean out 45mm from the diffuser edge the other...

Страница 37: ...r control panel The gas pressure switches check the pressure to avoid the burner operate when the pres sure value is not in the requested pressure range Calibration of air pressure switch To calibrate...

Страница 38: ...witch Adjusting the high gas pressure switch when provided To calibrate the high pressure switch proceed as follows according to its mounting position 1 remove the pressure switch plastic cover 2 if t...

Страница 39: ...UNCTIONING OF THE BURNER THEREFORE ANY OPERATION OF THE APPLIANCE MUST BE PREVENTED WHICH DEPARTS FROM THE INSTALLATION OPERATIONS OR WHICH HAPPENS AFTER TOTAL OR PARTIAL TAMPERING WITH THESE E G DISC...

Страница 40: ...nds after the gas valves opening otherwise the control box locks out Few seconds after the gas valves opening the transformer is de energised and the LED I turns off The burner is now operating and at...

Страница 41: ...sure to replace the O ring into its place C and replace the cover fastening by the proper screws A Inspection and replacement of the MULTIBLOC DUNGS MBC SE filter Threaded valves group WARNING ALL OP...

Страница 42: ...it off by a scratchbrush Note to replace the combustion head reverse the procedure described above having care to place correctly the O ring OR between burner and gas manifold Attention before adjust...

Страница 43: ...electrodes E are placed between the 3rd and the 4th notch of the pilot nozzle U and must match the values in mm quoted on Fig 31 T Fig 31 ATTENTION avoid the ignition and detection electrodes to conta...

Страница 44: ...xt pictures 5 remove the electrodes and replace them referring to the measures indicated in the previous paragraph 6 reconnect the electrodes cables 7 replace the combustion head 8 replace the burner...

Страница 45: ...tection electrode or detector the electrical contacts and if necessary replace the electrode or the detec tor Fig 32 Detection by electrode Fig 33 Detection by photocell QRA To check the detection sig...

Страница 46: ...er in the housing 5 Place O ring 2 in protective cap 1 Screw in the protective cap with the O ring in it 6 Stick the adhesive label for spring identification on the type plate Seasonal stop To stop th...

Страница 47: ...ATION MAIN SWITCH OPEN LACK OF GAS MAXIMUM GAS PRESSURE SWITCH DEFECTIVE THERMOSTATS PRESSURE SWITCHES DEFECTIVES OVERLOAD TRIPPED INTERVENTION AUXILIARIES FUSE INTERRUPTED DEFECTIVE CONTROL BOX DEFEC...

Страница 48: ...HOUSING 14 2 1 DETECTION ELECTRODE 10 DETECTION CABLE 12 4 3 SKP ACTUATOR 14 2 2 IGNITION ELECTRODE 11 1 BURNER HOUSING 12 4 4 SKP ACTUATOR 15 1 FAN WHEEL 11 2 BURNER HOUSING 12 4 5 GAS PROVING SYSTE...

Страница 49: ...49...

Страница 50: ...76 2180277 GAS VALVE GROUP SIEMENS VGD Rp2 2190171 2190171 GAS VALVE GROUP SIEMENS VGD DN65 2190172 2190172 GAS VALVE GROUP SIEMENS VGD DN80 2190169 2190169 GAS VALVE GROUP SIEMENS VGD DN100 2190174 2...

Страница 51: ...N TRANSFORMER mod FIDA 2170301 2170302 2170302 MOTOR 218020601 2180209 2180278 GAS VALVE GROUP SIEMENS VGD Rp2 2190171 2190171 2190171 GAS VALVE GROUP SIEMENS VGD DN65 2190172 2190172 2190172 GAS VALV...

Страница 52: ...AL WIRING DIAGRAMS Wiring Diagrams SE21 018 RX90 RX91 RX510 Wiring Diagrams SE21 015 RX515 RX520 ATTENTION 1 Power supply 400V 50 Hz 3N a c 2 Don t reverse phase with neutral 3 Ensure burner is proper...

Страница 53: ...is activated terminals 22 and 23 or 23 4 for the detector test and the paracitic light test Where the burners do not have dampers or have an independent 00 damper control mechanism there must be a bri...

Страница 54: ...because during this period an NTC in the circuit acts as retarder This means that brief unscheduled influences can not cause a block Times t3 t2 and t4 only apply only to safety devices in the series...

Страница 55: ...ot burner fuel valve for mono tube burners for twin tube burners 1 input for raising QRA detector voltage to test level 2 input for excitation of flame relay during flame detector test circuit contact...

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Страница 60: ...and data subject to change Errors and omissions excepted C I B UNIGAS S p A Via L Galvani 9 35011 Campodarsego PD ITALY Tel 39 049 9200944 Fax 39 049 9200945 9201269 web site www cibunigas it e mail...

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