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Unigas R91 VS Series, Manual Of Installation - Use - Maintenance, Page: 28 / 60

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Unigas R91 VS Series Manual Of Installation - Use - Maintenance Download Page 28

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If the BurnerOn mode is choosen,the burner does not follow the modulator and probe settings, but operates at the set load.

For further details, see the LMV5x annexed manuals.

Caution

: if BurnerOff mode is selected, the burner stays in stand-by.

Caution

: in the BurnerOn mode, the safety thresholds are set by the Technical Service.

Summary of Contents for R91 VS Series

Page 1: ...28CB Rel 1 2 04 2011 BURNERS BRUCIATORI BRULERS BRENNER QUEMADORES MANUAL OF INSTALLATION USE MAINTENANCE Gas light oil burners LMV5x Microprocessor controlled R91 VS R92 VS R93 VS R515 VS R520 VS R52...

Page 2: ...non original components whether spare parts kits accessories and optionals Force majeure Furthermore the manufacturer declines all responsibility for non compliance with this manual Personnel training...

Page 3: ...rner shut down reser the control box by means of the RESET pushbutton If a second shut down takes place call the Tech nical Service without trying to RESET further The unit shall be operated and servi...

Page 4: ...y El Supply El Consump Fan Motor Protection Drwaing n P I N Do not touch any mechanical moving parts with your hands or any other part of your body Injury hazard Do not touch any parts containing fuel...

Page 5: ...ies of these boilers the need to operate in slight depression and to heat the boiler in low flame for a long time before exploiting the highest performance The flame is divided into smaller flames per...

Page 6: ...l with VSD control BURNER TYPE R91 VS R92 VS R93 VS Output min max kW 480 2670 480 3050 550 4100 Fuel Category see next paragraph Gas category Gas rate min max Stm3 h 51 283 51 323 58 434 Gas pressure...

Page 7: ...otor kW 11 15 18 5 Protection IP40 Approx weight kg 550 560 570 Operation Gas Train50 Gas connection 2 Rp2 2 Rp2 Gas Train65 Gas connection 2 1 2 DN65 2 1 2 DN65 2 1 2 DN65 Gas Train Gas connection 3...

Page 8: ...185 R92 VS 1 65 65 1464 411 20 565 118 326 419 1138 532 1370 934 436 255 386 255 442 221 447 550 464 M12 510 510 887 404 483 843 290 739 185 R92 VS 1 80 80 1464 411 20 579 132 326 419 1138 532 1405 9...

Page 9: ...750 595 700 M16 700 350 550 550 1009 404 605 843 216 970 270 R520 VS 1 65 65 1560 474 324 508 1236 565 1692 1049 643 275 483 275 516 258 494 750 612 700 M16 700 350 550 550 887 404 483 843 290 987 270...

Page 10: ...e first ignition the combustion head is set in order to find a compromise between the burner output and the generator specifications that is why the minimum output may be different from the Per forman...

Page 11: ...t necessary to get the requested gas rate add the pressure value in the combustion chamber to the value read on the y axis 0 20 40 60 80 100 20 60 100 140 180 220 260 300 340 DN65 Rp 2 DN80 DN10 0 20...

Page 12: ...ulating material ceramic fibre cord or refractory cement Key 1 Burner 2 Fixing nut 3 Washer 4 Sealing gasket 5 Stud bolt 7 Blast tube CAUTION pay attention to the burner mounting all the blast tubes m...

Page 13: ...he burner mounting all nozzles must go inside the combustion chamber must extend beyond the inside of the boiler front wall The burner is opened by means of a special hinge right left joint leave the...

Page 14: ...direction looking at motor s cooling fan In case of incorrect rotation reverse the three phase supply and check again the rotation of the motor NOTE exceptR525 VS the burners are supplied for three ph...

Page 15: ...gas pressure switch option 5 Minimum gas pressure switch 6 Gas filter 7 Bellow joint 8 Manual cutoff valve 10 VGD Valves group 14 Pressure stabiliser with filter Note the maximum gas pressure switch c...

Page 16: ...the gaskets are not part of the standard supply ATTENTION once the gas train is mounted according to the diagram on Fig 11 the gas proving test mus be performed according to the procedure set by the l...

Page 17: ...ain 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 nipples p...

Page 18: ...open and check that the pres sure upstream the gas train complies the value quoted on paragraph Technical specifications Be sure that the mains switch is closed ATTENTION During commissioning operati...

Page 19: ...ssure 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 pressure in...

Page 20: ...h R525 VS Gas rate Stm3 h 0 1 2 3 4 5 6 20 40 60 80 100 120 140 160 180 200 220 240 260 280 300 2 3 4 5 6 7 8 50 75 100 125 150 175 200 225 250 275 300 325 350 0 2 4 6 8 10 12 14 50 100 150 200 250 3...

Page 21: ...pe of the adjusting cam foil The adjusting cam sets the air gas ratio in those points regulating the opening closing of the throttle gas valve Set now the low flame output acting on the low flame micr...

Page 22: ...he flame lights up Driving to low flame the actuator drives to low flame NOTE the C and A on the Once the ignition cycle ends the main page is shown Main page Set point temperature set point Act value...

Page 23: ...ckouts occured and the related date and hour Alarm act deact enable disable the horn in case of alarm Fault History To visualise the Fault History select it and press the ENTER key The message will be...

Page 24: ...ss w out pass access without password user level confirm by pressing ENTER The other levels require password reserved to the Technical Service to the Manifacurer etc The menu shown accessing without p...

Page 25: ...ow The deafult value for this parameter is1 that is the burner will light again at a temperature 1 lower than the set point Change value if needed by means of the arrow keys press ENTER to confirm and...

Page 26: ...desired language and cofirm by pressing ENTER press ESC to exit DateFormat it allows setting the date format as DD MM YY day month year or MM DD YY month day year choose the desired format and cofirm...

Page 27: ...the burner will rapidly increase the load according to the requested value and if necessary to the maximum output Manual mode To by pass the thermal protection or not to let the buner operate in high...

Page 28: ...the modulator and probe settings but operates at the set load For further details see the LMV5x annexed manuals Caution if BurnerOff mode is selected the burner stays in stand by Caution in the Burner...

Page 29: ...s lower than these limits Check that the burner is operating correctly Clockwise turn the pressure switch adjusting ring nut as to increase the pressure value until the burner stops Slowly fully open...

Page 30: ...re switches gives the burner the start signal for operating 4 Check that the gas pressure in the gas network is sufficient if the pressure is normal the lamp E lights 5 The check cycle of the gas prov...

Page 31: ...an or remove the filter proceed as follows 1 remove the cap unscrewing the fixing screws A 2 remove the filtering cartridge B clean it using water and soap blow it with compressed air or replace it if...

Page 32: ...ion head adjustment 3 unscrew the combustion head adjustment tube T 4 push the tube forward and then pull it out pulling it towards you 5 unscrew the 3 V screws which fasten the manifold 6 remove the...

Page 33: ...remove the fastening screws VT 17 remove the combustion head to clean the combustion head remove dirt with a hand hoover using Clean the combustion head Clean the combustion head with a hand vacuum cl...

Page 34: ...acing the manifold remember to insert the OR While centering the heads do not completely fasten the manifold screws at its base Fasten the screws after centering Do not act on the burner hinge and fla...

Page 35: ...g the detection current To check the detection current follow the diagram on the following pictures If the signal is less than the quoted value check the posi tion of the detector the electrical conta...

Page 36: ...proceed as follows 1 turn the burner s main switch to 0 Off position 2 disconnect the power mains 3 close the fuel valve in the supply line Burner disposal In case of disposal follow the instructions...

Page 37: ...PART III MAINTENANCE 37...

Page 38: ...ELECTRODE 2 IGNITION ELECTRODE 3 EARTH ELECTRODE 4 SUPPLY 5 SUPPLY 6 PROBE 7 GAS MANIFOLD 8 BURNER COMBUSTION HEAD 9 NOZZLE 10 HINGED BURNER SUPPORT 11 PLATE 12 GAS MANIFOLD SUPPORT 13 AIR BOX 14 IGNI...

Page 39: ......

Page 40: ...a L Galvani 9 35011 Campodarsego PD ITALY Tel 39 049 9200944 Fax 39 049 9200945 9201269 web site www cibunigas it e mail cibunigas cibunigas it Note specifications and data subject to change Errors an...

Page 41: ...d an earth external wire for the motor ground The cable for the 4 20mA signal that controls the VSD must be shielded only LMV5x side ends connected to the equipotential terminal If the VSD is not insi...

Page 42: ...Annex1 Example for motor cable...

Page 43: ......

Page 44: ...Annex 2 Example for sensor cable...

Page 45: ......

Page 46: ......

Page 47: ...E Power supply Line voltage Gas L1 High Voltage Transformer N M Power supply Line voltage FE X73 Speed sensor VSD Fan Motor Separate conduit shielded line voltage cable X70 X10 02 X9 01 X4 02 Separate...

Page 48: ...ion and current fuel throughput The LMV52 system uses an O2 sensor QGO20 an external O2 module and the standard components of the LMV51 sys tem The PLL O2 module is a detached measuring module for the...

Page 49: ...defined system cables AGG5 641 and AGG5 631 result from the points of intersection in the graph 50 48 46 44 42 40 38 36 34 32 30 28 26 24 22 20 18 16 14 12 10 8 6 4 2 0 0 5 1 25 2 3 5 7 8 AGG5 631 AG...

Page 50: ......

Page 51: ...CAN bus cable 100 m Whenever the distance between the LMV5 and the last actuator exceeds 20 m or if more than one SQM48 is used on the burner refer to sizing chart Determination of maximum cable leng...

Page 52: ...N F T4 AC2 12 V 5 5 3 Not used M L Power trafo 2 AGG5 2 No bus termination No bus termination Bus termination 5 5 5 5 No bus termination No bus termination Installation in the control panel actuator...

Page 53: ...owered by a sec ond transformer to be located near the actuators and the O2 module Connect the power supply line from that transformer to the O2 module PLL52 in ex ample 3a SA6 in example 3b Auxiliary...

Page 54: ...n facility 18 8 1 Inputs and outputs Mounting panel shielding connection Communication and power supply for LMV52 Mounting panel shielding connection Communication and power supply Temperature sensor...

Page 55: ...l o w e d t o j o i n t h e f l u e g a s e s o n t h e i r w a y f r o m t h e b u r n e r t o t h e d e t e c t o r D F l o w v e l o c i t y 1 1 0 m s F l u e g a s t e m p e r a t u r e a t t h e...

Page 56: ...e p o u r B 1 B 2 B 2 T e n s i o n d e t h e r m o c o u p l e M U 3 S i g n a l d e l l m e n t d e c p m p e n s a t i o n d e t e m p r a t u r e G 2 A l i m e n t a t i o n d e l l m e n t d e c...

Page 57: ...k s i t i s r e c o m m e n d e d t o l e a v e t h e m e a s u r i n g s y s t e m Q G O a n d R P O s w i t c h e d o n D u r i n g t h e h e a t i n g u p p h a s e t h e d e t e c t o r c o u l d...

Page 58: ...A G O 2 0 0 0 2 A A R a u c h g a s e i n t r i t t B R a u c h g a s a u s t r i t t C K e r b e D F l a c h d i c h t u n g b e i l i e g e n d L 1 8 0 m m f o r A G O 2 0 0 0 1 A L 2 6 0 m m f o r...

Page 59: ...r h Transport DIN EN 60 721 3 2 Climatic conditions class 2K2 Mechanical conditions class 2M2 Temperature range 30 70 C Humidity 95 r h Operation DIN EN 60 721 3 3 Climatic conditions class 3K5 Mecha...

Page 60: ...GND SHIELD 12VAC1 12VAC2 CANH CANL GND SHIELD AZL5 x FE FE SQM4 LMV52 Brown brn White wh Yellow yl Green grn Black blk Brown brn White wh Yellow yl Green grn Black blk Flue gas temperature PLL52 PLL5...

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