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Unigas RG91, Manual

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Unigas RG91 Manual Download Page 78

38 

12  BURNER MANUAL OPERATION 

The operator can decide if choosing burner manual operation at a settable fixed load or modulating operation through the automatic load controller, then 
can also set the burner shutdown by means of the “burner off” function. 
Choose the type of operation (Au-tom / Manual / Off). 
 

1st level 

2nd level 

3rd level 

Password 

Description 

ManualOpe- ration  

 

 

Menu level for activating manual operation with the preselected load 

 

 

Au-tom/ 
Manual/Off 

 

 

 
Selection of manual or automatic operation 

 

 

 

 

Automatic/ Burner 
on / Burner off 

 
User 

 

 
Setting the load percentage for the manual operation 
 
To set the load percentage at which the burner must operate in manual mode, proceed as described below. 
 

1st level 

2nd level 

3rd level 

Password 

Description 

ManualOpe- ration  

 

 

Menu level for activating manual operation with the preselected load 

 

 

 
SetLoad 

 

 

 
Set target load 

 

 

 

 
0..100% 

 
User 

 

Summary of Contents for RG91

Page 1: ...M039421CA 0 1 04 2022 BURNERS BRUCIATORI BRULERS BRENNER QUEMADORES Microprocessor controlled MANUAL OF INSTALLATION USE MAINTENANCE LMV5x Light oil burners RG91 RG92 RG93 RG510 RG515 RG520 RG525...

Page 2: ...e employed exclusively for the use for which it was designed Before connecting the burner make sure that the unit rating is the same as delivery mains electricity gas oil or other fuel Observe caution...

Page 3: ...ixtures DIRECTIVES AND STANDARDS Gas burners European directives Regulation 2016 426 UE appliances burning gaseous fuels 2014 35 UE Low Tension Directive 2014 30 UE Electromagnetic compatibility Direc...

Page 4: ...quipment of machi nes EN 60335 2 Electrical equipment of non electric appliances for house hold and similar purposes Safety requirements Burner data plate For the following information please refer to...

Page 5: ...s achieved making pressurised oil passing through the nozzle The pump main function is to transfer oil from the tank to the nozzle in the desired quantity and pressure To adjust this pressure pumps ar...

Page 6: ...Progressive MD Fully modulating 4 BLAST TUBE S standard L extended 5 DESTINATION COUNTRY see data plate 6 BURNER VERSION A Standard 7 MICRO PROCESSOR CONTROL ES with no O2 trim control with no VSD con...

Page 7: ...ve Fully modulating Operating temperature C 10 50 Storage temperature C 20 60 Working service Continuous BURNERS RG510 RG515 RG520 RG525 Output min max kW 1314 3953 1628 4884 2326 6977 2000 8000 Fuel...

Page 8: ...position During the 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 f...

Page 9: ...C E F G H K L M N Omin Omax P W Y Z RG91 1345 1518 242 820 421 35 380 300 473 419 1045 422 419 434 238 268 360 513 M12 417 280 310 295 698 228 185 RG92 1339 1512 242 820 421 35 380 294 467 419 1045 42...

Page 10: ...E F G H K L M N O P UU W Y Z RG510 1451 1671 219 217 246 35 310 530 468 1141 571 1313 671 642 329 369 540 496 M14 552 390 390 x 766 328 270 RG515 1451 1671 219 217 246 35 310 530 508 1141 571 1323 68...

Page 11: ...burner into the boiler proceed as follows make a hole on the closing door of the combustion chamber as described on paragraph Overall dimensions place the burner to the boiler lift it up and handle it...

Page 12: ...th flame reversal in this case the blast tube must penetrate Dm 50 100 mm into combustion chamber in respect to the tube bundle plate please see the picture below The length of the blast tubes does no...

Page 13: ...Light oil filter 3 Light oil feeding pump 4 One way valve 5 Flexible hoses 6 Relief valve NOTE in plants where gravity or ring feed systems are provided install an automatic interception device RING...

Page 14: ...ere is a long suction line to bleed To avoid damages inject some lubrication oil into the vacuum inlet Care must be taken when installing the pump not to force the pump shaft along its axis or lateral...

Page 15: ...n speed 3600 rpm max Suntec T Viscosity 3 75 cSt Oil temperature 0 150 C Minimum suction pressure 0 45bar to prevent gasing Maximum suction pressure 5 bar Rated speed 3600 rpm max Key 1 Inlet G3 4 2 P...

Page 16: ...to the pump provided 1 remove the closing nuts A and R on the inlet and return connections of the pump 2 screw the rotating nut of the two flexible hoses on the pump being careful to avoid exchanging...

Page 17: ...rols the fan motor revolutions and with a signal in 0 10V controls it through the inverter Generally the curve of the inverter goes from 50 to 100 of the engine revolutions This in addition to improvi...

Page 18: ...s and with a signal in 0 10V controls it through the inverter Generally the curve of the inverter goes from 50 to 100 of the engine revolutions This in addition to improving the setting of the burner...

Page 19: ...RC circuit Siemens between the terminal 2 terminal X3 04 4 in case of LMV2x LMV3x LMV5x LME7x of the base and the earth terminal RC466890660 For LMV5 control box please refer to the clabeling recomme...

Page 20: ...ATTENTION To achieve the maximum flow rate close completely the return line DIMENSIONS FLOW RATE kg h Indicative pessure on return bar Min Max 40 13 40 19 50 16 50 22 60 20 60 20 70 23 70 23 80 26 80...

Page 21: ...ART II INSTALLATION 21 FLUIDICS KW3 60 NOZZLE SUPPLY PRESSURE 20 bar VISCOSITY AT NOZZLE 5 cSt Pressure on return bar Flow rate kh h The nominal size of the nozzle is indicated at the ends of the curv...

Page 22: ...RESSURE 20 bar VISCOSITY AT NOZZLE 5 cSt Pressure on return bar Flow rate kh h Pressure on return bar Flow rate kh h The nominal size of the nozzle is indicated at the ends of the curve The nominal si...

Page 23: ...return bar Flow rate kh h The nominal size of the nozzle is indicated at the ends of the curve Pressure on return bar Flow rate kh h The nominal size of the nozzle is indicated at the ends of the curv...

Page 24: ...starts the system will show the operating stages Prepurging program phase no 30 Driving to ignition position program phase no 36 Ignition position program phase no 38 Fuel the fuel solenoid valves ope...

Page 25: ...ovides the following items Normal operation by selecting this item and pressing the ENTER key the main page is showed press ESC to go back to the main menu Status Reset it shows system errors or fault...

Page 26: ...page enter the main menu by pressing the ESC key twice by means of the arrow keys select Params Display press ENTER the system will ask you to enter the proper password by means of the arrow keys sele...

Page 27: ...f the 2 position controller To set these values select the item SD_ModOn SDOn by scrolling down the Load controller menu with the arrow keys and press ENTER the display will show The deafult value for...

Page 28: ...Time Winter WIN Time operation and the continent EU Europe US United States choose the Summertime Wintertime mode desired and cofirm by pressing ENTER press ESC to exit Set the time zone Time EU US in...

Page 29: ...This function is already set by the Technical service access by reserved password if this function is enabled when the burner starts upthe Thermal shock protection activated message will be showed If...

Page 30: ...stand by 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 SetLoad Curr 0 0 New...

Page 31: ...already factory set and must not be changed Only if necessary adjust the supply pressure as follows see related paragraph insert a pressure gauge into the port shown on Fig 3 and act on on the pump a...

Page 32: ...ided The minimum oil pressure switch on the inlet line checks that the pressure does not drop below a default value The pressure switch must be set say at 10 under the pressure at the nozzle Maximum o...

Page 33: ...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 DISCONNECTION EVEN PARTIAL OF...

Page 34: ...n after some seconds the two stage operation begins the burner is driven automatically to high flame or low flame according to the plant requirements Operation in high or low flame is signalled by LED...

Page 35: ...if necessary in case of doubt check the detection circuit after the burner start up clean and grease levers and rotating parts 1 Close the bowl valve before the self cleaning filter 2 Switch off any e...

Page 36: ...of a vacuum cleaner to scrape off the scale use a metallic brush Note to replace the combustion head reverse the procedure described above Removing the oil gun Once the combustion head is removed as...

Page 37: ...on the electrodes group before reassembling the combustion head Fig 5 Checking the detection current To check the detection signal follow the scheme in the picture below If the signal is less than th...

Page 38: ...based on the actual state of the appliance and any repair costs The use of the burner for other purposes after the expiry of the terms of use is strictly prohibited Seasonal stop To stop the burner i...

Page 39: ...of cables in the ignition transformer or into the electrodes Improve the installation Ignition transformer damaged Replace the transformer PUMP TOO NOISY Suction too high over 0 35 bar dirty filters...

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: ...Siemens LMV5x Service Manual M12920CC rev 2 1 08 2017...

Page 42: ...harmful Before any cleaning or servicing operation disconnect the unit from the mains by turning the master switch OFF and or through the cut out devices that are provided Make sure that inlet or exh...

Page 43: ...2 Configuration of a pressure or a temperature probe type at X61 door 20 6 2 1 Configuration of a pressure or a temperature probe signal at X61 door 20 6 3 Configuration of the X62 door input signal...

Page 44: ...must be connected to earth PE Volt must be 0 V between N PE NOTE PE protection earth it is not FE FE functional earth 1 1 2 Protective Earth PE and Functional Earth FE Protective Earth PE Known as an...

Page 45: ...les and to the burner housing e g use a electrical insulating conduit or distance parts e g plastic material see also Appendix Example for wiring earthing and shielding the LMV5 System Prefer a double...

Page 46: ...lso Appendix Example for wiring earthing and shielding the LMV5 System 1 3 2 Shielding The LMV5 FE terminals for the shields are LMV5 internally connected with X52 4 this terminal must be connect exte...

Page 47: ...ables for the Load controller Temperature or Pressure sensor set point load output at the LMV5 X60 X61 X62 X63 Together in cable duct 2 for Line voltage e g Cable for Ignition transformer Cables for o...

Page 48: ...8...

Page 49: ...9 1 4 1 Servomotor wiring example 1 4 2 Bus cable wiring on LMV5x and AZL doors 1 4 3 EARTH connection example...

Page 50: ...urner will immediately turns off keys socket The user interface is made of display it shows menus and parameters ESC key previous level it goes back to the previous level menu or exits the programming...

Page 51: ...ition position phase 38 The burner remains in that position because this is the only one work point in memory The fuel air ratio curve must be set until the maximum load limit 100 output During the se...

Page 52: ...12 2 2 LMV5x program structure...

Page 53: ...ED TO NOT USE O2 MONITORING IF FGR IS INSTALLED AND ACTIVE 2 3 Burner ID number The burner ID number corresponds to the burner serial number NOTE in case of call to the Service Center always tell the...

Page 54: ...rmed by pressing Enter Display before the first password character is entered Enter Password The example displays when entering the third password character Enter Password S If the check of the passwo...

Page 55: ...nals 318 and 319 of the burner supply terminal block see below the system will lead to an immediate burner lockout In case of burner designed with automatic pull out system from the generator the burn...

Page 56: ...address an actuator choose the corresponding actuator and follow the instructions on display When the actuator green LED flashes it means that one of the following function is set according to the nu...

Page 57: ...o according to the next procedure By following the next table set both parameter OperatRampMod and TimeNoFlame to set the ramp up stop times for the VSD and the actuator opening speed from 0 to 90 Fol...

Page 58: ...al output from the LMV to the client DCS or PLC Output Value Selection are Load Load 0 O2 Pos Air Pos Fuel Pos Aux1 Pos Aux2 Pos Aux3 Speed VSD Flame Temp Pt1000 TempNi1000 Temp Pt100 Temp X61 Press X...

Page 59: ...level 5th level 6th level Description Params Display Menu level for making the parameter set tings LoadController Settings for the internal load controller Configuration General configuration of the l...

Page 60: ...ens End of pressure measuring range for input X61 0 99 9 bar 0 2000 C 0 99 9 bar 0 2000 C Set the probe value Example if a max 10bar Siemens sensor is used the voltage output signal will be 0 V at 0 b...

Page 61: ...6th level Description Params Display Menu level for making the t Params Display SD ModOn General configuration of the load SD ModOn SD ModOff General configuration of SD ModOff the display will show T...

Page 62: ...for internal load controller StandardParam Adaption very fast fast normal slow very slow It is possible to manually set the PID parameters to any value in the setting range shown below to activate a...

Page 63: ...100 Ni1000 or Pt 1000 temperature sensor is connected to X60 3 and X60 4 terminals ATTENTION basically these parameters provide a function similar to the safety thermostat one but can not replace it T...

Page 64: ...of the menu by means the Esc 1st level 2nd level 3rd level 4th level 5th level Range Description Params Display Menu level for making the parameter settings VSD Module Settings for the VSD module Conf...

Page 65: ...ogramming levels of the menu by means the Esc 1st level 2nd level 3rd level 4th level 5th level 6th level Description Params Display Menu level for making the para meter set tings RatioControl GasSett...

Page 66: ...corresponding to a hypothetic low flame stage Note points P1 and P2 are temporally mentioned 10 and 100 load independently from the actual load The operator can name the load on each point without re...

Page 67: ...of oil ATTENTION as for increasing by few degrees it means that the increasing must be performed in order to avoid great excess of air or defect of air Therefore the increasing operation must be perfo...

Page 68: ...ir actuator Do not exit by pressing Esc from the values column because data will not be stored Press arrows to select another actuator to be set for example press to choose Fuel Press keys to change t...

Page 69: ...the other points So it is necessary to check the adjustment of the points already set ATTENTION for proper operation it is necessary that the curve of each actuator does not reverse its slope ATTENTI...

Page 70: ...cts are the following 1 Pressures have reciprocal effects 2 The reduction of O2 can lead to a significant increase of NOx levels As a result of these reciprocal effects it is difficult if not impossib...

Page 71: ...ngs for firing on Gas or on Oil AirActuator GasActuat OilActuat AuxActuator AuxActuator 2 AuxActuator 3 AuxActuator 3 AuxActuator 3 MUST be chosen After the addressing activate the FGR servomotor 1st...

Page 72: ...Open 10 4 Setting the load controller mode see the previous chapter regolazione senza FGR WARNING If one of the intLC internal Load Controller option must be choice a temperature sensor cannot be con...

Page 73: ...ulation temperature Auxiliary actuator 3 maintains the ignition position until an adjustable temperature is reached parameter FRG On Temp During the operation the burner regulate its load as per the s...

Page 74: ...inimum amount of flue gas The position is also used to ensure a defined damper position for emergency operation or automatically deactivated flue gas recirculation FGR FGR MaxPos Fact Maximum limitati...

Page 75: ...on FGR factor of 50 leads to a 50 reduction of the damper positions If the temperature value of the smoke during the operation of the burner is higher than the temperature value during the commissioni...

Page 76: ...StageLoad 0 100 15 StageSetp_M od 1 100 Wcurrent 5 Stage Setp_Stage 1 100 Wcurrent 5 MaxTme Mod 1 63 min 3 min MaxTmeStage 1 63 min 3 min Cold start thermal shock protection maximum time per step mult...

Page 77: ...tion this function can be set at user level also see chapter manual operation the CSTP function is momentary excluded when enabling the automatic operation again the CSTP function previously set at Se...

Page 78: ...assword Description ManualOpe ration Menu level for activating manual operation with the preselected load Au tom Manual Off Selection of manual or automatic operation Automatic Burner on Burner off Us...

Page 79: ...39...

Page 80: ...V 10 15 50 60 Hz Imax 5 A PIN3 x Protective earth PE PIN4 x Supply voltage neutral conductor N PIN5 x Supply voltage live conductor L AC 230 V 10 15 50 60 Hz fuse 6 3 AT DIN EN 60 127 2 5 X4 01 Fuel s...

Page 81: ...5 mA PIN2 x Controller closes stage 3 AC 230 V 10 15 50 60 Hz Imax 1 5 mA PIN3 x Controller opens stage 2 AC 230 V 10 15 50 60 Hz Imax 1 5 mA PIN4 x Power signal for control of con troller AC 230 V 10...

Page 82: ...ductor N PIN3 Fuel valve 2 oil AC 230 V 10 15 50 60 Hz 1 A cos 0 4 X7 02 PIN1 x Protective earth PE PIN2 x Neutral conductor N PIN3 Fuel valve 3 oil AC 230 V 10 15 50 60 Hz 1 A cos 0 4 X7 03 PIN1 x Pr...

Page 83: ...oil AC 230 V 10 15 50 60 Hz 1 A cos 0 4 X9 01 PIN4 x Fuel valve 1 gas AC 230 V 10 15 50 60 Hz 2 A cos 0 4 PIN3 x Fuel valve 2 gas AC 230 V 10 15 50 60 Hz 2 A cos 0 4 PIN2 x Fuel valve gas AC 230 V 10...

Page 84: ...vely QRA2 QRA4 U QRA10 refer to section Description of inputs and out puts Umax X3 04 PINS Imax 0 5 mA X50 PIN6 x Reference ground PELV PIN5 x Communication signal CANL DC U 5 V Rw 120 level to ISO D...

Page 85: ...mperature sensor input PT100 X61 PIN5 x Functional earth for shield connec tion PIN4 x Reference ground PIN3 x Current input for temperature pressure signal 0 4 20 mA DC 0 4 20 mA PIN2 x Voltage input...

Page 86: ......

Page 87: ......

Page 88: ...Note Specifications and data subject to change Errors and omissions excepted...

Page 89: ...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 90: ...Annex1 Example for motor cable...

Page 91: ......

Page 92: ...Annex 2 Example for sensor cable...

Page 93: ......

Page 94: ......

Page 95: ...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 96: ...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 97: ...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 98: ......

Page 99: ...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 100: ...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 101: ...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 102: ...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 103: ...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 104: ...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 105: ...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 106: ...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 107: ...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 108: ...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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