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CIB UNIGAS RBY1025 Manual Of Installation - Use - Maintenance

Lmv2x/3x microprocessor controlled heavy oil burners
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Microprocessor controlled
MANUAL OF INSTALLATION - USE - MAINTENANCE
BURNERS - BRUCIATORI - BRULERS - BRENNER - QUEMADORES - ГОРЕЛКИ
PBY1025
PBY1030
PBY1040
RBY1025
RBY1030
RBY1040
LMV2x / 3x
Heavy oil Burners
M039418CB 0.3 09/2021

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  • Page 1 PBY1025 PBY1030 PBY1040 RBY1025 RBY1030 RBY1040 LMV2x / 3x Microprocessor controlled Heavy oil Burners MANUAL OF INSTALLATION - USE - MAINTENANCE BURNERS - BRUCIATORI - BRULERS - BRENNER - QUEMADORES - ГОРЕЛКИ M039418CB 0.3 09/2021...

  • Page 2: General Introduction

    DANGERS, WARNINGS AND NOTES OF CAUTION THIS MANUAL IS SUPPLIED AS AN INTEGRAL AND ESSENTIAL PART OF THE PRODUCT AND MUST BE DELIVERED TO THE USER. INFORMATION INCLUDED IN THIS SECTION ARE DEDICATED BOTH TO THE USER AND TO PERSONNEL FOLLOWING PRODUCT INSTALLATION AND MAINTENANCE.

  • Page 3: Directives And Standards

    3b) FIRING WITH GAS, LIGHT OIL OR OTHER FUELS DIRECTIVES AND STANDARDS Gas burners GENERAL European directives  The burner shall be installed by qualified personnel and in compliance -Regulation 2016/426/UE (appliances burning gaseous fuels) with regulations and provisions in force; wrong installation can cause -2014/35/UE (Low Tension Directive) injuries to people and animals, or damage to property, for which the -2014/30/UE (Electromagnetic compatibility Directive)

  • Page 4: Symbols Used

    Burner data plate Type For the following information, please refer to Model Gas - Light oil burners Year the data plate: European Directives S.Number -Regulation 2016/426/UE (appliances burning gaseous fuels) burner type and burner model: must be Output  Oil Flow -2014/35/UE (Low Tension Directive) reported in any communication with the Fuel...

  • Page 5: Burner Type

    R / PBY1025 Model Type BURNER TYPE RBY1025 - RBY1030 - RBY1040 PBY1025 - PBY1030 - PBY1040 FUEL N - Heavy oil, viscosity <= 50cSt (7° E) @ 50° C D - Heavy oil, viscosity <= 400cSt (50° E) @ 50° C P - Petroleum, viscosity 89cSt (12°...

  • Page 6: Performance Curves

    Performance Curves R/PBY1025 R/PBY1030 2500 3500 4500 5500 6500 7500 8500 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 R/PBY1040 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 12000 13000 To get the input in kcal/h, multiply value in kW by 860. Data are referred to standard conditions: atmospheric pressure at 1013mbar, ambient temperature at 15°C NOTE: The performance curve is a diagram that represents the burner performance in the type approval phase or in the laboratory tests, but does not represent the regulation range of the machine.
  • Page 7 1865 377 25 304 465 335 641 1293 680 1502 680 822 472 522 660 816 M16 651 460 460 265 80 95 1146 379 330 RBY1025 1646 1891 377 25 138 608 589 657 1293 680 1502 680 822 633 693 660 816 M16...
  • Page 8 Overall dimensions (mm) A (AS) A (AL) AA AD AH AM B (BS) B (BL) BB PP QQ RR SS T 1669 1865 377 25 304 465 335 641 1293 680 1502 680 822 472 522 660 816 M16 651 460 460 265 80 95 1146 379 330 PBY1025 1646...
  • Page 9 PRBY1025 - (3I2D-02 v4) Hydraulic diagram...
  • Page 10 Pressure switch Water separator One-way valve Water drainage Metering valve Flow indicator Manual valve Pneumatic valve Pressure gauge One-way valve Flexible hose NOTE The following items are out of CIB UNIGAS scope of supply 76 - 77 - 78 - 79...
  • Page 11 COMBUSTION AIR TRAIN Air damper LPG gas - out of Cib Unigas scope of supply Actuator Remote draught fan with electromotor Pressure switch - PA Burner The following items are out of CIB UNIGAS scope of supply: 77 - 78 - 79...

  • Page 12: Installing The Burner

    INSTALLING THE BURNER Packing Burners are despatched in wooden crates whose dimensions are: 2280 mm x 1730 mm x 1360 mm(L x P x H)  Packing cases of this kind are affected by humidity and are not suitable for stacking. The fol- lowing are placed in each packing case: burner;...

  • Page 13: Electrical Connections

    ELECTRICAL CONNECTIONS WARNING! 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. WARNING! before executing the electrical connections, pay attention to turn the plant’s switch to OFF and be sure that the burner’s main switch is in 0 position (OFF) too.
  • Page 14 RECOMMENDATIONS TO DESIGN HEAVY OIL FEEDING PLANTS This paragraph is intended to give some suggestions to make feeding plants for heavy oil burners. To get a regular burner operation, it is very important to design the supplying system properly. Here some suggestions will be mentioned to give a brief description. The term “heavy oil”...
  • Page 15 Pump operating maximum pressure (both for the supplying system and burner) Remember that pumps and all the system components through which the oil circulates, feature an upper limit. Always read the techni- cal documentation for each component. Schemes on Fig. B are taken from UNI 9248 "liquid fuel feeding lines from tank to burner" stan- dard and show how a feeding line should be designed.
  • Page 16 Viscosity units conversion table Saybolt Cinematics Saybolt Redwood Engler Degrees Seconds Redwood Seconds viscosity Seconds Seconds no.1 (°E) Universal no..2 (Admiralty) Centistokes (cSt) Furol (SSF) (Standard) (SSU) 2.56 1.16 32.1 1.31 36.2 1.58 44.3 5.83 10.3 1.88 52.3 6.77 13.1 2.17 12.95 60.9...
  • Page 17 VISCOSITY vs TEMPERATURE DIAGRAM FOR COMBUSTIBLE OILS 1000 PUMPING LIMIT TEMPERATURE (°C) LIGHT OIL 1,3°E AT 20°C HEAVY OIL 2,4°E AT 50°C HEAVY OIL 4°E AT 50°C HEAVY OIL 7,5°E AT 50°C HEAVY OIL 10°E AT 50°C HEAVY OIL 13°E AT 50°C HEAVY OIL 22°E AT 50°C HEAVY OIL 50°C HEAVY OIL 47°E AT 50°C...
  • Page 19 Pilot gas train The connection to the pilot gas train must be done according to the following scheme, valid for LPG. In case of natural gas, connect the pressure goveror (pos. 3) to the natural gas line (maximum input pressure = 1 bar). (1) Gas valves MANUFACTURER INSTALLER...
  • Page 20 light oil pilot nozzle light oil pilot pump Fig. 9 EVG Light oil solenoid valve Manometer Pump Heavy oil pumps The pump provided with the burner must be installed according to the hydraulic diagram. About the use of fuel pumps Do not use fuel with additives to avoid the possible formation over time of compounds which may deposit between the gear teeth, ...

  • Page 21: Connecting The Pump

    Suntec TV Pressure governor Pressure adjustment Remove cap-nut 1 and the gasket 2, unscrew the lock nut 4. To increase pressure, twist adjusting screw 3 clockwise. To decrease the pressure, twist screw counterclockwise. Tight the lock nut 4, refit the gasket 2 and the cap nut 1.
  • Page 22 The pump provided with the burner must be installed according to the hydraulic diagram. capacity power speed max outlet pressure max inlet pressure Pumps connection [l/h] [kW] [rpm] [bar] (bar) Kral KF 32 BCB 1800 1500 DN32 Cucchi FMG40 2500 1400 1”...

  • Page 23: Hydraulic Connections

    Connecting the compressed air hoses To connect the compressed air supply, refer to the following pictures Compressed air pressure governor Compressor Hydraulic connections KeyG GasACompressed AirOOil Fig. 12...
  • Page 24 ADJUSTING AIR AND FUEL RATE ATTENTION: before starting the burner up, be sure that the manual cutoff valves are open. Be sure that the mains switch is closed. .ATTENTION: During commissioning operations, do not let the burner operate with insufficient air flow (danger of formation of carbon monoxide);...
  • Page 25 The oil flow rate can be adjusted choosing a nozzle that suits the boiler/utilisation output and setting the delivery and return pressure values according to the ones quoted on the following charts. Fig. 13 (Note: the nozzle mounted on PRBY1040 is without “reverse disc”)
  • Page 26 Oil thermostat adjustment Progressive and fully modulanting oil burners are equipped with electronic multi-thermostat Danfoss MCX, whose operation is con- trolled by thyristor. (for details refer to the attached technical documentation) Fig. 14 - Danfoss MCX Fig. 15 - Probe connections (Danfoss MCX)(for burners with 1 tank) Nafta TCN - TRS Nafta...
  • Page 27 Oil viscosity at 50 °C according to the letter shown in the burner model Menu path > 50 cSt > 110 cSt > 400 cSt 89 cSt < 50 cSt < 110 cSt < 400 cSt < 4000 cSt > 7 °E >...
  • Page 28 Gas pressure governor Brahma gas valve EGRx12 Set pilot gas pressure switch at 50 mbar. Fig. 17 Adjustments - brief description The air and fuel rates adjustments must be performed at the maximum ouptput first (“high flame”): see the LMV2.. related manual.. Check that the combustion parameters are in the suggested limits.

  • Page 29: Limitations Of Use

    PART II: OPERATION PART II: OPERATION LIMITATIONS OF USE THE BURNER IS AN APPLIANCE DESIGNED AND CONSTRUCTED TO OPERATE ONLY AFTER BEING CORRECTLY CONNEC- TED TO A HEAT GENERATOR (E.G. BOILER, HOT AIR GENERATOR, FURNACE, ETC.), ANY OTHER USE IS TO BE CONSIDE- RED IMPROPER AND THEREFORE DANGEROUS.

  • Page 30: Control Panel

    PART II: OPERATION Control panel High flame lamp Low flame lamp Ignition transformer lamp Fan motor thermal cutout lamp Burner lockout lamp Solenoid valve lamp Atomisation air pressure switch lamp Compressed air solenoid valve lamp Heating resistors safety thermostat lamp Plant enabling thermostat lamp MD LMV Burner Management system Oil pump in operation...

  • Page 31: Routine Operations

    PART III: MAINTENANCE PART III: MAINTENANCE At least once a year carry out the maintenance operations listed below. In the case of seasonal servicing, it is recommended to carry out the maintenance at the end of each heating season; in the case of continuous operation the maintenance is carried out every 6 months.
  • Page 32 PART III: MAINTENANCE Maintenance of the pressure governor with filter (for ignitor gas train) Before disassmbling the device, be sure that there is no pressurised gas inside it. To check the filtering part (1) on threaded bodies (see picture Fig. 18): remove the bottom cover, unscrewing the fixing screws;...
  • Page 33 PART III: MAINTENANCE Removing the oil gun, replacing/adjusting the nozzle and the ignition electrode ATTENTION: avoid the electrode to get in touch with metallic parts (blast tube, head, etc.), otherwise the boiler operation would be compromised. Check the electrode position after any intervention on the combustion head. To remove the oil gun, proceed as follows: remove the combustion head as described on the prevoius paragraph;...

  • Page 34: Seasonal Stop

    PART III: MAINTENANCE Cleaning and replacing the flame detector Remove the detector from its seat (see picture);  to clean the detector’s lens, use a soft, clean cloth (free from oil and solvents);  check wiring and all safety functions each time a flame detector has been replaced. ...

  • Page 35: Troubleshooting

    PART III: MAINTENANCE TROUBLESHOOTING Heavy oil operation  MAIN SWITCH OPEN  LINE FUSE INTERVENTION   MAX. PRESSURE SWITCH FAULT  FAN THERMAL CUTOUT INTERVENTION  AUXILIARY RELAIS FUSES INTERVENTION      CONTROL BOX FAULT  SERVOCONTROL FAULT ...
  • Page 36 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: cibunigas@cibunigas.it Note: specifications and data subject to change. Errors and omissions excepted.
  • Page 37 AZL2x - LMV2x/3x Burner Management System Service manual 03/2023 M12916CD Rev. 3.4...
  • Page 38 INDEX MICROPROCESSOR CONTROLLED SYSTEM..........................6 User interface....................................6 Parameters level (heating engineer)............................... 8 Setting menu....................................9 Block 000: Internal Parameter ..............................10 Block 100: General information..............................10 Block 200: Burner control................................13 Block 400: Setting air/fuel ratio curves............................25 Block 500: Air/fuel ratio control ..............................26 Block 600: Actuators ..................................

  • Page 39: Special Warnings

    DANGERS, WARNINGS AND NOTES OF CAUTION THIS MANUAL IS SUPPLIED AS AN INTEGRAL AND ESSENTIAL PART OF THE PRODUCT AND MUST BE DELIVERED TO THE USER. INFORMATION INCLUDED IN THIS SECTION ARE DEDICATED BOTH TO THE USER AND TO PERSONNEL FOLLOWING PRO- DUCT INSTALLATION AND MAINTENANCE.
  • Page 40 DIRECTIVES AND STANDARDS do not leave the equipment exposed to weather (rain, sun, etc.) unless expressly required to do so; Gas burners European directives: do not allow children or inexperienced persons to use equipment; - Directive 2009/142/EC - Gas Appliances; The unit input cable shall not be replaced by the user.

  • Page 41: National Standards

    -EN 55014-1Electromagnetic compatibility - Requirements for household appliances, electric tools and similar apparatus. -UNI EN 676 (Gas Burners; -CEI EN 60335-1(Household and similar electrical appliances - Safety. Part 1: General requirements; - EN 50165 Electrical equipment of non-electric appliances for household and similar purposes.

  • Page 42: User Interface

    MICROPROCESSOR CONTROLLED SYSTEM The control system is made of the Siemens LMV central unit that performs all the burner control functions and of the Siemens AZL local programming unit that interfaces the system with the user. Keys Burner AZL2.. Air actuator Fuel actuator LMV2..
  • Page 43 The keys functions are the following: Key F Used to adjust the “fuel” actuator position (Fuel): : While pressing the F key, the “fuel” actuator position can be changed by means of the + and - keys. Key A Used to adjust the “air” actuator position (Air): While pressing the A key, the “air”...
  • Page 44 Parameters level (heating engineer)
  • Page 45 Setting menu The seeting menu is divided into different blocks: Bloc. Descrizione Description Password Internal parameters OEM / Service Informazioni generali General OEM / Service / Info Controllo bruciatore Burner control OEM / Service Controllo bruciatore (solo LMV26) Burner control (LMV26 only) OEM / Service Curve rapporto Ratio curves...
  • Page 46 Block 000: Internal Parameter Param. Descrizione Description Password Password livello assistenza (ingegnere del Password heating engineer (4 characters) calore) Password livello OEM (costruttore del brucia- Password OEM (5 characters) tore) Start backup / restore via AZL2.../ PC sof- tware (set parameter to 1) Index 0: Create backup Index 1: Execute restore Error dia- Start backup/restore via AZL2x/PC gnostics via negative values...
  • Page 47 Frequenza di rete Mains frequency 0 = 50 Hz 0 = 50 Hz Service / Info 1 = 60 Hz 1 = 60 Hz Luminosità display Display brightness Service / Info Tempo dopo il quale, se non viene premuto nessun tast il software esce dalla modalita Timeout for menu operation (default value = programmazione (valore fabbrica = 60min - 60min - range: 10 - 120 min)
  • Page 48 Numero totale di partenze (non azzerabile) Total number of startups Service / Info Volume combustibile (azzerabile da OEM) Fuel volume (resettable by OEM) Service / Info Fuel 1(secondo combustibile)Ore di eserci- Fuel 1: Operation hours resettable Service / Info zio (azzerabile da Service) Fuel 1 (secondo combustibile) Numero di Fuel 1: Number of startups resettable Service / Info...
  • Page 49 Block 200: Burner control Param. Descrizione Description Password Modalità funzionamento bruciatore ( rampa Burner operating mode (fuel train, modula- combustibile, modulante / multistadio, servo- ting / multistage, actuators, etc..) comandi, ecc.) __= non definito (cancellazione curve) __= undefined (delete curves) 1 = accensione diretta a gas (G mod) 1 = gas direct ignition (G mod) 2 = accensione tramite pilota gas con attacco...
  • Page 50 15 = gas rampa Gp1 modulante pneumatico 15 = Gp1 mod pneu without actuator senza servomotori (Gp1 mod pneu) 16 = Gp2 mod pneu without actuator 16 = gas rampa Gp2 modulante pneumatico 17 = Lo 2-stage without actuator senza servomotori (Gp2 mod pneu) 18 = Lo 3-stage without actuator 17 = olio LO 2 stadi senza servomotori 19 = G mod gas actuator only...
  • Page 51 Gas: sonda rilevazione fiamma attivo (valore Gas: active detector flame evaluation (default fabbrica = 1) value = 1) OEM / Service 0 = QRB../QRC.. 1 = ION / QRA.. Gas: Preventilazione (valore fabbrica = 1) Gas: Pre-purging (default value = 1) 1 = attivo 1 = active 0 = non attivo...
  • Page 52 Gas: Pressostato gas di minima (default = 1) Gas: Pressure switch-min input 0 = inattivo 0 = inactive 1 = pressostato gas di minima (a monte val- 1 = pressure switch-min (upstream of fuel vola V1) valve 1 (V1)) 2 = controllo perditavalvole via pressostato 2 = valve proving via pressure switch-min OEM / Service (montato tra le valvole V1 e V2)
  • Page 53 Gas: tempo pressione atmosferica controllo Gas: proving test time atmospheric pres- tenuta (valore fabbrica = 10s - range impo- sure (default value = 10s - range:0.2s - 60s) stazione:0.2s - 60s) Gas: tempo riempimento controllo tenuta Gas: proving test filling time (default value = (valore fabbrica = 3s - range imposta- 3s - range:0.2s - 10s) zione:0.2s - 10s)
  • Page 54 Olio: Intervallo 1 (valore fabbrica = 2s - Oil: Interval 1 (default value = 2s - OEM / Service range impostazione:0.2s - 60min) range:0.2s - 60min) Olio: tempo di sicurezza 2 (TSA2) (valore Oil: safety time 2 (TSA2) (default value = 3s fabbrica = 3s - range impostazione:0.2 - 10s) - range:0.2 - 10s) Olio: Intervallo 2 (valore fabbrica = 2s -...
  • Page 55 Block 300: Burner control (only with LMV26) Param. Descrizione Description Password Combustibile 1 : Modalità funzionamento bru- Fuel 1 : Burner operating mode (fuel train, ciatore ( rampa combustibile, modulante / modulating / multistage, actuators, etc..) multistadio, servocomandi, ecc.) __= non definito (cancellazione curve) __= undefined (delete curves) 1 = accensione diretta a gas (G mod) 1 = gas direct ignition (G mod)
  • Page 56 11 = olio 2 stadi con accensione tramite pilota 11 = LoGp 2-stage (LOGp 2-stage) 12 = Lo mod 2 fuel valves 12 = olio modulante con 2 valvole combusti- 13 = LoGp mod 2 fuel valves bile (LOmod 2 valvole) 14 = G mod pneu without actuator 13 = olio modulante con 2 valvole combusti- 15 = Gp1 mod pneu without actuator...
  • Page 57 Combustibile 1 - Gas: tempo di preaccen- Fuel 1 - Gas: Preignition time (default value = sione (valore fabbrica = 2s - range imposta- 2s - range: 0.2s - 60min) OEM / Service zione:0.2s - 60min) Combustibile 1 - Gas: tempo di sicurezza 1 Fuel 1 - Gas: Safety time 1 (TSA1) (default (TSA1) (valore fabbrica = 3s - range impo- value = 3s - range: 0.2 - 10s)
  • Page 58 Limite ripetizioni perdita di fiamma (valore Repetition limit loss of flame (default value= 2 fabbrica = 2 - range impostazione:1 - 2) - range:1 - 2) Fuel 1 - Gas: execution proving test (default Combustibile 1 - Gas: esecuzione controllo value= 2) tenuta (valore fabbrica = 2) 0 = no controllo tenuta...
  • Page 59 Fuel 1 - Oil: prepurging (default value = 1) Combustibile 1 - Olio: preventilazione (valore fabbrica = 1) 0 = deactivated 1 = attivo 1 = activated 0 = non attivo 0 = deactivated OEM / Service In ambito civile la norma EN267 rende obbli- WARNING: in the civil field, the prepurge is gatoria la preventilazione.
  • Page 60 Limite ripetizioni perdita di fiamma (valore Repetition limit value loss of flame (default fabbrica = 2 - range impostazione:1 - 2) value = 2 - range:1 - 2) Fuel 1 - Oil: time oil ignition (default value = Combustibile 1 - Olio: tempo iniezione olio (valore fabbr.
  • Page 61 Block 400: Setting air/fuel ratio curves Param. Descrizione Description Password Curve controllo servocomando combustibile Ratio control curve fuel actuator (F): it acces- (F): si accede alla lista dei punti da impostare ses to the parameter list of the points to be set OEM / Service (da P0 a P9) - consultare paragrafo “Imposta- (P0 to P9) - see paragrapf “Setting the curves”...
  • Page 62 Block 500: Air/fuel ratio control Param. Descrizione Description Password No-flame position fuel actuator Posizione servocomando combustibile in assenza di fiamma (no-flame) Indice 0 = posizione di sosta = 0° Index 0 = no-load position = 0° OEM / Service Indice 1 = posizione preventilazione = 0° Index 1 = prepurge position = 0°...
  • Page 63 Activation of VSD / PWM fan (PWM = Pulse- Width Modulation) Activation of VSD / PWM fan OEM / Service 0=deactived 1=actived (PWM = Pulse-Width Modulation) Parameter 544 Modulation Modulation Modulation Modulation Actuator Actuating speed param- Max. delta between the curve points eter 613 OEM / Service Actuator...
  • Page 64 Block 600: Actuators Param. Descrizione Description Password Impostazione punto di riferimento Selection of reference point Indice 0 = combustibile Index 0 = fuel Indice 1 = aria Index 1 = air 0 = chiuso (<0°) 0 = closed (<0°) 1 = aperto (>90°) 1 = open (>90°) Direzione rotazione del servocomando Actuator’s direction of rotation...
  • Page 65 Tipo di riferimento dei servocomandi index 0 = fuel (default = 0 (riferimento stan- dard) Type of referencing index 1 = air (default = 0 (riferimento stan- Index 0 = fuel dard) Index 1 = air 0 = standard 0 = standard 1 = fermo entro il raggio utile 1 = stop within usable range 2 = fermi interni (SQN1...)
  • Page 66 Configurazione uscita analogica % di carico Configuration of analog output (default value (valore fabbrica = 0) = 0) 0 = DC 0..10 V 0 = DC 0..10 V OEM / Service 1 = DC 2..10 V 1 = DC 2..10 V 2 = DC 0/2..10 V 2 = DC 0/2..10 V ATTENTION: as for SQM3x actuators, set the direction according to the acutator function.
  • Page 67 Block 700: Error history Param. Descrizione Description Password Storico errori: 701 - 725.01.codice Error history: 701 - 725.01.code Service / Info Storico errori: 701 - 725.02.codice diagnostico Error history: 701 - 725.02.diagnostic code ° Service / Info Storico errori: 701 - 725.03.classe errore Error history: 701 - 725.03.error class °...
  • Page 68 Block 900: Process data Param. Descrizione Description Password Potenza attuale (valore fabbrica = 0% - range Current output (default value = 0% - range = impostazione = 0-100%) 0-100%) Service / Info Indice 0 = combustibile Index 0 = fuel Indice 1 = aria Index 1 = air Posizione incrementale servocomandi (valore...
  • Page 69 Actuators references An incremental transducer is used to ensure position feedback. Referencing of the actuators must be performed after power-on. In addition, at the end of each shutdown in phase 10, the actuators are referenced to ensure that individual stepping errors, which could lead to shutdown, do not accumulate.
  • Page 70 COMMISSIONING THE BURNER The LMV2x complete programming must be performed on units that has never been set before or reset units (e.g. spare parts). The programming procedure is performed by setting the following main parameters: if LMV.. is a spare part, insert burner ID (parameter 113) at least 4 digit. type of fuel train (parameter “201”) air/fuel ratio curvepoints (Block “400”) maximum load percentage (parameter “546”)
  • Page 71 the types of fuel trains are the following: Param. Descrizione Description Password Modalità funzionamento bruciatore ( rampa Burner operating mode (fuel train, mod / multi- comb., mod. / multistadio, servocom., ecc.) stage, actuators, etc.) __= non definito (cancellazione curve)___= __= undefined (delete curves) 1 = accensione diretta a gas (G mod) 1 = gas direct ignition(G mod) 2 = accensione tramite pilota gas con attacco...
  • Page 72 Lo 3-stage In the example the Gmod gas train has been set (Configuration “1”). Choose the fuel train by pressing ENTER, then press “+” / “-”. Press ENTER to confirm: number “1” will appear on the right side of the display.
  • Page 73 CAUTION: at the first burner adjustment, it is recommended to set the maximum output P9 at the same value (or little higher) of the ignition point, in order to safely reach point P9 next (see next paragraph). By pressing “+” the display will show: The burner is ready to startup.

  • Page 74: Warm Setting

    Warm setting Once pressed button “enter” and the chain thermostats open (X5-03 terminals), the LMV.. show Ph12.Then close the chain termostat and the unit performs the prepurge cycle (see “Phases List”) and stops at the ignition point P0 without ignition anyway. By pressing “+”, the burners lights abd the air/fuel ratio can be properly set in presence of flame.

  • Page 75: Cold Setting

    P5, keep pressing “-” unitl “Calc” is displayed. The curve will be processed again downwards point P1. Fuel deviation between two following points: 25°max. 12 press “-” to go through the lower points and check the combustion values, if necessary change the points as described above. 13 By pressing ESC, at the end of the points adjusments, the parameter “546”...
  • Page 76 BURNER STARTUP WITH LMV2x ALREADY PROGRAMMED Once the LMV turns on, the AZL display will show The burners is basically factory set. The air/fuel ratio curve is set with the maximum output point P9 a little higher or equal to P0. To adjust the burner on the plant site, adjust the maximum output point to the flow rate values really requested.
  • Page 77 Set the air/fuel ratio curvepoints as described on chapter “Programming the LMV2x” Note: the other phases are Ph60 = operation (OP= in modulation) Ph62 = travelling to shutdown Ph70 = off but in prepurge after the burntime Ph72 = travelling to postpurging Ph74 = postpurge (countdown is displayed) Press ESC the parameter “546”...
  • Page 78 Reset / manual lockout The system can be manually locked by simultaneously pressing the ENTER (InFo) button and any other button on the AZL2..This function allows the user to stop the system from the operating level should an emergency occur. When making a reset, the following actions are carried out: Alarm relay and the fault display are off ...
  • Page 79 Entering the Parameter levels By means of a proper use of the keys, it is possible to enter the various level parameters, as shown in the following flow chart: The burner and consequently the LMV2x.. are factory set; the air and fuel curves as set as well.

  • Page 80: Info Level

    Info level To enter the Info level, proceed as follows: in any menu position, press keys + and - at the same time, then the program will start again: the display will show OFF. , until the display will show InFo, Press the enter (InFo) key then il will show the first code (167) flashing, on the right side it will show the data entered.
  • Page 81 10 Press InFo for more than three seconds or for more than three seconds orto return to the normal display. If a message like the one below is shown during operation, it means that the burner is locked out and the Errore code is shown (in the example “error code:4”); this message is alternating with another message Diagnostic code (in the example “diagnostic code:3”).

  • Page 82: Service Level

    Service level To enter the Service mode, press InFo until the display will show: The service level shows all the information about flame intensity, actuators position, number and lock codes: Parameter Description Flame intensity % output, if set = automatic operation Actuators position, 00=combustibile;...
  • Page 83 PHASES LIST Fase /Phase Funzione Function Ph00 Fase blocco Lockout phase Ph01 Fase di sicurezza Safety phase Ph10 t10 = tempo raggiungimento posizione riposo t10 = home run Ph12 Pausa Standby (stationary) t22 = tempo di salita ventilatore (motore ventilatore t22 = fan ramp up time (fan motor = ON, safety Ph22 = ON, valvola intercettazione di sicurezza = ON)
  • Page 84 BACKUP PARAMETER WITH AZL2x On the AZL2x you can save the configuration to download on another appliance LMV. To do this: access up, press F and A at the same time enter the password following the procedure on chapter “Programming LMV2x”. Press ENTER until the display will show: with the button go to the group 000 of the parameters and press...
  • Page 85 RESTORE PARAMETER FROM AZL2x TO LMV.. To copy the previously saved configuration on AZL2x proceed as follows: access up, press F and A at the same time enter the password following the procedure on chapter “Programming LMV2x”. Press ENTER until the display will show: To copy the configuration from AZL2x to LMV.
  • Page 86 ERROR CODE TABLE...
  • Page 101 WIRING DIAGRAM Wiring connection for LMV20 Electrical supply Burner flange Fanmotor input Safety loop Lokout signal Continuous fan operator Valve External valveSV gnition transformer Valve Operation sgnal Reset Reserve Common Increase output Pressure switch leakage test Decrease input gasPGCP ON/OFF thermosta Minimum gas pressure switch Air pressure switch LUFT...
  • Page 102 Wiring variants for LMV27 ConnectorX75 2 - Fuel meter input 1 - Supply fuel meter ConnectorX5-02 ConnectionsPmax...
  • Page 103 Wiring variants for LMV26 ConnectorX08-04 / X09-04 2 - Fuel 0 1 - Fuel1 ConnectorX75 2 - Fuel meter input 1 - Supply fuel meter ConnectorX64 5 -Power supply speed sensor 4 -Speed sensor input 3 - PWM (Pulse Width Modulation) speed output 2 - GND (signal reference) 1 -Controller input (4÷20mA) ConnectorX74...
  • Page 104 Wiring variants for LMV37 ConnectorX75 2 - Fuel meter input 1 - Supply fuel meter ConnectorX5-02 Connections Pmax ConnectorX64 5 -Power supply speed sensor 4 -Speed sensor input 3 - PWM (Pulse Width Modulation) speed output 2 - GND (signal reference) 1 -Controller input (4÷20mA) ConnectorX74 5 -Supply...
  • Page 108 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: cibunigas@cibunigas.it Note: Specifications and and data subject to change. Errors and omissions excepted.
  • Page 109 CIB UNIGAS 600V CONTROLLER USER’S MANUAL COD. M12925CA Rel 1.2 08/2014 SOFTWARE VERSION 1.0x code 80379 / Edition 01 - 06/2012 1 • INSTALLATION 2 • TECHNICAL SPECIFICATIONS Display 2x4 digit green, high display 10 and 7mm Keys 4 of mechanical type (Man/Aut, INC, DEC, F) •...
  • Page 110 3 • DESCRIPTION OF FACEPLATE Function indicators Indication of output states Indicates modes of operation OUT 1 (AL1); OUT 2 (OPEN); OUT 3 (CLOSED) MAN/AUTO = OFF (automatic control) ON (manual control) PV Display: Indication of process variable Error Indication: LO, HI, Sbr, Err PRE-HEATING = ON (running) LO= the value of process variable is <...

  • Page 111: Programming And Configuration

    5 • “EASY” PROGRAMMING and CONFIGURATION S4 Jumper THE EASY CONFIGURATION (Pro=0...12) IS SUITABLE FOR (CPU) VERSIONS WITH AL1/OPEN/CLOSED LEVEL 1 MENU P.V. / S.V. Process variable P.V. / S.V. (PV display) Work Setpoint (SV display) or control output value with controller in manual Password Local Setpoint...
  • Page 112 • InFo Display Information display Software version 0 No Error Self diagnostic 1 Lo error code 2 Hi 3 ERR 4 SBR OUTPUT 2 OUTPUT 3 SERIAL COMMUNICATION 0 = None 0 = None 0 = None +8 error OUT2 card recognition 1 = Relay 1 = Relay +16 error OUT3 card recognition...
  • Page 113 • InP Input settings S, R range 0...1750°C; error < 0.2% f.s. (t > 300°C) / for other sp. r 0 default (remote setpoint present) Def. remote setpoint range; error < 0.5% f.s. error < 0.2% f.s. (t > -150°C) range 44...1800°C;...
  • Page 114 • Out Output settings Select a1. r reference signal for alarm1 AL.1.r AL.x.r Variable to be compared PV (process variable) AL.1.t AL.x.t Direct (high limit) Absolute or Normal 2/3 for a1. t Inverse (low limit) relative to Symmetrical alarm 1 active setpoint (window) direct...
  • Page 115 • Prot Protection code Prot Display Modification SP, Hy.P, Hy.n, AL.2, AL.3, PoS, OuP, INF SP, Hy.P , Hy.n, AL.2, AL.3, PoS SP, Hy.P, Hy.n, AL.2, AL.3, PoS, OuP, INF SP, OuP, INF + 4 to disable InP, Out + 8 to disable CFG + 16 to disable SW “power-up - power down”...
  • Page 116 ld. 1 Function of LEDs Val. Function none MAN/AUTO controller ld. 2 HOLD Selftuning enabled Autotuning enabled ld. 3 Error present Softstart running Set point gradient running Pre-heating running + 16 LED flashes if active • Lin Custom linearization for main input Step 0 beginning Display limits s.
  • Page 117 7 • CONSENT FOR BURNER AL1 Obtain burner consent by configuring alarm 1 as inverse deviation with positive hysteresis Hy.P and negative hysteresis Hy.n 8 • PRE-HEATING FUNCTION Enable the pre-heating function by setting parameters GS.0, Ht.0, GS.1 other than zero. It consists of three phases that are activated sequentially at firing: - Ramp 0 phase Enabled by setting GS.0 >...
  • Page 118 9 • ADJUSTMENT WITH MOTORIZED VALVE In an adjustment process the adjustment valve has the function of varying fuel delivery (frequently corresponding to the thermal energy introduced into the process) in relation to the signal coming from the controller. For this purpose it is provided with an actuator able to modify its opening value, overcoming the resistances produced by the fluid passing inside it.

  • Page 119: Control Actions

    Valve control modes With the controller in manual, the setting of parameter At.y ≥ 8 allows direct control of the valve open and close commands through the keyboard Increments and Decrements on the front seats. V0 - for floating valve without potentiometer Model V0 have similar behaviour: every manoeuvre request greater than the minimum impulse t.Lo is sent to the actuator by means of the OPEN/CLOSE relays;...

  • Page 120: Manual Tuning

    11 • MANUAL TUNING A) Enter the setpoint at its working value. B) Set the proportional band at 0.1% (with on-off type setting). C) Switch to automatic and observe the behavior of the variable. It will be similar to that in the figure: Process D) The PID parameters are calculated s follows: Proportional band Variable...
  • Page 121 15 • ACCESSORIES • Interface for instrument configuration Kit for PC via the USB port (Windows environment) for GEFRAN instruments configuration: KIT PC USB / RS485 o TTL Lets you read or write all of the parameters • A single software for all models •...
  • Page 123 21/06/2012 rev. 0 Set-up for 600V RRR0-1-T73 regulator Set up for temperature probe Pt100 (ex Siemens QAE2120 130°C max.) The regulator comes out of the factory preset with the corresponding values of the Siemens RWF40.000 and RWF50.2x Verify wiring of the sensor Regulation of the set-point = 80 It can be modified by using arrows "up"...

  • Page 124: Manual Operation

    A1.r … A1.t 3 (operating mode AL1 =inverse-relative-normal) … rL.1 2 (AL1) rL.2 18 (open) rL.3 19 (close) A.ty 9 (type of servocontrol command) Ac.t 12 (servocontrol running time: SQN72.4…/STA12..=12; SQM40.265=30) t_Lo t_Hi t.on t.oF dE.b 0,1 (dead zone in % of end scale) 99 then push and keep pushed F until visualization of Hrd …...
  • Page 125 Set up for temperature probe Pt100 for high temperature (350°C max.) Verify wiring of the sensor Regulation of the set-point = 80 It can be modified by using arrows "up" and "down". By pushing F you go to parameters: Hy.P 10 (hysteresis positive for output 1 terminals 21-22 (ex Q13-Q14) Hy.n -5 (hysteresis negative for output 1 terminals 21-22 (ex Q13-Q14)
  • Page 126 A1.r … A1.t 3 (mode AL1 =inverse-relative-normal) … rL.1 2 (AL1) rL.2 18 (open) rL.3 19 (close) A.ty 9 (type of servocontrol command) Ac.t 12 (servocontrol running time: SQN72.4…/STA12..=12; SQM40.265=30) t_Lo t_Hi t.on t.oF dE.b 0,1 (dead zone in % of end scale) 99 then push and keep pushed F until visualization of Hrd …...
  • Page 127 Set up for pressure transmitter 2 wires signal 4÷20mA With pressure transmitters first we need to enable their power supply: remove the part as shown below, then, on the CPU unit, move the bridge from Pt100 to +Vt IN/OUT cards Signal selection on terminal 3 Verify wiring of the sensor...
  • Page 128 …. 44 (4÷20mA) … dP_S 2 (decimals num.) Transmitter 1,6bar 3bar 10bar 16bar 25bar 40bar Lo.S 0,00 0,00 0,00 0,00 0,00 0,00 min. sensor scale Hi.S 1,60 3,00 10,00 16,00 25,00 40,00 max sensor scale offset of input correction Lo.L 0,00 0,00 0,00...
  • Page 129 Set -up for thermocouples type Verify wiring of the sensor Regulation of the set-point = 80 It can be modified by using arrows "up" and "down". By pushing F you go to parameters: Hy.P 10 (hysteresis positive for output 1 terminals 21-22 (ex Q13-Q14) Hy.n -5 (hysteresis negative for output 1 terminals 21-22 (ex Q13-Q14) Keep pushing F until you see PASS, release F and through the arrows set 99, push F and visualize Pro...
  • Page 130 A1.r … A1.t 3 (mode AL1 =inverse-relative-normal) … rL.1 2 (AL1) rL.2 18 (open) rL.3 19 (close) A.ty 9 (type of servocontrol command) Ac.t 12 (servocontrol running time: SQN72.4…/STA12..=12; SQM40.265=30) t_Lo t_Hi t.on t.oF dE.b 0,1 (dead zone in % of end scale) 99 then push and keep pushed F until visualization of Hrd …...
  • Page 133 RWF50.2x & RWF50.3x User manual M12922CB Rel.1.0 07/2012...

  • Page 134: Device Installation

    DEVICE INSTALLATION Install the device using the relevant tools as shown in the figure. To wire the device and sensors, follow the instructions on the burner wiring diagram.

  • Page 135: Front Panel

    FRONT PANEL NAVIGATION MENU Parameter level Basic display User Level - Opr SP1 or SP2 (editable) dSP readable and editable through bin1 = 2 InP1 or y (only display) Parameter Level - PArA HYS1 , HYS2 , HYS3 Pb1, dt, rt, db, tt Next parameter Main navigation...
  • Page 136 RWF5 is preset good for 90% of applications. However, you can set or edit parameters as follow: Set-point: set or modification: When the burner is in stand-by, (safety loop open, that is terminals 3-4/T1-T2 on the 7 pole plug open) push the Enter button: on the lower display (green) Opr appears;...
  • Page 137 Setting the kind of sensor to be connected to the device:  push the Enter button: on the lower display (green) Opr appears. Using the up and down arrows find ConF. Push Enter to confirm.  Now on the green display the group InP appears. Push Enter and InP1 is displaied. Enter to confirm. ...
  • Page 138 ConF > Cntr Parameter Value Description CtYP 1 = 3-position controller (open-stop-close only RWF50.2) controller type 2 = continuative action controller (only RWF50.3) CACt 1 = heating controller control action 0 = cooling controller least value of the set-point limitation prevents entry of values outside the defined set-point range -1999..0..+9999 range...
  • Page 139 ConF > OutP (parameter under group only for RWF50.3) Parameter Value Description FnCt 1 = analog input 1 doubling with possibility to convert tipo di controllo (depending on par SiGn) 4 = modulation controller SiGn physical output signal (terminals A+, A-) type of output signal 0 = 0÷20mA 1 = 4÷20mA...
  • Page 140 Manual control :  in order to manual change the burner load, while firing keep pushing the ESC button for more than 5 s; on the lower green display Hand appears.  using the UP and DOWN arrows, the load varies. ...

  • Page 141: Electric Connection

    Electric connection : With 7 pins connector version With terminals version Matches terminals between RWF50.2 and RWF40.0x0...
  • Page 142 Parameters summarising for RWF50.2x: Conf Conf Navigation menù Inp1 Cntr diSP PArA Types of probe SEn1 OFF1 SCL1 SCH1 Unit dECP Pb. 1 dt HYS1 (*) HYS3 (*) SP1 (*) Siemens QAE2120… needless needless 80 350 (#) 80 °C Siemens QAM2120.. needless needless 80 350 (#)
  • Page 143 APPENDIX: PROBES CONNECTION To assure the utmost comfort, the control system needs reliable information, which can be obtained provided the sensors have been installed correctly. Sensors measure and transmit all variations encountered at their location. Measurement is taken based on design features (time constant) and according to specific operating conditions.With wiring run in raceways, the sheath (or pipe) containing the wires must be plugged at the sensor's terminal board so that currents of air cannot affect the sensor's measurements.
  • Page 144 Duct or pipe sensors Installing pressure sensors A - installation on ducts carrying fluids at max. temperature 80°C Installing temperature sensors For measuring outlet air: B - installation on ducts at temperature over 80°C and for refrigerants  after delivery fan or C - installation on ducts at high temperatures: ...
  • Page 145 Immersion or strap-on sensors Immersion probes installation Sensors must be installed on the stretch of pipe in which fluid circulates all the time. The rigid stem (sensing element doing the measuring) must be inserted by at least 75mm and must face the direction of flow. Recommended locations: on a bend or on a straight stretch of pipe but tilted by 45°...
  • Page 146 Duct pressure switches and sensors Installing differential pressure probes for air Basic principles Measuring static pressure(i.e. pressure exerted by air on pipe walls) A - Control a filter (clogging) Measuring dinamic pressure B - Control a fan (upstream/downstream) Kg/m , specific weight of air m/s, air speed 9.81 m/s gravity acceleration...

  • Page 147: Spare Parts

    Spare parts Description Code Modulator RWF50.2 (uscita a 3 punti - apri, fermo, chiudi) 2570148 2570149 Modulator RWF50.3 (uscita continua 0÷20mA, 4÷20mA, 0÷10V) Temperature probe Siemens QAE2120.010A (30÷130°C) 2560101 2560135 Temperature probe Siemens QAM2120.040 (-15÷+50°C) 2560188 Thermoresistor Pt1000 ø6mm L100mm (30÷130°C) Thermoresistor Pt1000 ø10mm L200mm (0÷350°C) 2560103 2560145...
  • Page 148 Note: Specifications and data subject to change. Errors and omissions excepted.
  • Page 149 KM3 Modulator USER MANUAL M12927CA Rel.1.0 10/2020...
  • Page 150 M12927CA MOUNTING...

  • Page 151: Outp Ut Leds

    M12927CA DISPLAY Y AND KEY onsent to the burner is rned off OUTP UT LEDs ON (o out1) - Consen nt to the burne ▲ - (o out2) Output i ncrease ▼ - (o out3) Output d decrease ● - (ou ut4) Modulato r is powered o perator Mode...
  • Page 152 M12927CA CONNECTIONS DIAGRAM Probe connection: • PT1000/NTC/PTC: between terminal 3 and 2 • PT 100: between terminal 3 and 2 with terminal 1 • Passive pressure probe 0/4-20 mA: between terminal 4 ( + ) e 1 ( - ) Note: out4 must be activated ( IO4F must be setted to ON ) •...

  • Page 153: Operation Example

    M12927CA SETPOINT AND HYSTERESIS CONFIGURATION (SP, AL1, HAL1 parameters) Push the     button to enter into the setpoint configuration:  SP setpoint value change: increase decrease 2480 Confirm / Next AL1 parameter value change: increase decrease Confirm / Next HAL1 HAL1 parameter value change: increase decrease Confirm / Next Back to the first parameter To return to normal mode, press the key for 3 seconds or wait the 10s timeout...
  • Page 154 M12927CA LIMITED ACCESS LEVEL Proceed as follows to change some parameters that are not visible in standard user mode: Press the key for Password = 20 3 seconds Access to parameter: Increase the displayed value Decrease the displayed value Confirm and go to next parameter Param Description...
  • Page 155 M12927CA...

  • Page 156: Configuration Parameters

    M12927CA CONFIGURATION How to access configuration level The configuration parameters are collected in various groups. Every group defines all parameters related with a specific function (e.g.: control, alarms, output functions). Push the button for more than 5 seconds. The upper display will show PASS while the lower display will show 0.
  • Page 157 M12927CA Safety output value -100... 100 io4.F I/O4 function selection on = Out4 will be ever ON (used as a transmitter power supply) ,out4 = Uscita 4 (Used as digital output 4), dG2c = Digital input 2 for contact closure, dG2U = Digital input 2 driven by 12... 24 diF1 Digital input 1 function oFF = Not used,...
  • Page 158 M12927CA windows SE.br = Sensor Break LodE = Deviation low alarm (relative) HidE = Deviation high alarm (relative) LHdo = Relative band alarm in alarm out of the band LHdi = Relative band alarm in alarm inside the band Alarm 1 function 0...
  • Page 159 M12927CA AL3 Group - alarm 3 parameters Param Description Values Liv N° Default AL3t Alarm 3 type nonE = Alarm not used nonE LoAb = Absolute low alarm HiAb = Absolute high alarm LHAo = Windows alarm in alarm outside the windows LHAI = Windows alarm in alarm inside the windows...
  • Page 160 M12927CA SELF Self tuning enabling no = The instrument does not perform the self- tuning YES = The instrument is performing the self- tuning Proportional band 1... 9999 (E.U.) page 7 Integral time 0 (oFF) ... 9999 (s) page 7 Derivative time 0 (oFF) ...
  • Page 161 M12927CA AAc = Alarm reset ASi = Alarm acknowledge chSP = Sequential set point selection St.by = Stand by mode. The first press puts the instrument in stand by mode while a second one puts the instrument in Auto mode. Str.t = Timer run/hold/reset P.run = Program run P.rES = Program reset...
  • Page 162 M12927CA con Group - Consumption parameters Param Description Values N° Default Co.tY Count type oFF = Not used 1 = Instantaneous power (kW) 2 = Power consumption (kW/h) 3 = Energy used during program execution. This measure starts from zero when a program runs end stops at the end of the program.

  • Page 163: Automatic Mode

    M12927CA OPERATIVE MODES When the instrument is powered, it starts immediately to work according to the parameters values loaded in its memory. The instrument behaviour and its performance are governed by the value of the stored parameters. At power ON the instrument can start in one of the following mode depending on its configuration: Automatic Mode In Automatic mode the instrument drives automatically the control output according to the parameter value set and the set point/measured value.

  • Page 164: Manual Mode

    M12927CA Direct set point modification This function allows to modify rapidly the set point value selected by [83] A.SP (selection of the active Set point) or to the set point of the segment group (of the programmer) currently in progress. Push button.

  • Page 165: List Of Possible Errors

    M12927CA ERROR MESSAGES The upper display shows the OVER-RANGE and UNDERRANGE conditions with the following indications: Over-range: Under-range The sensor break will be signalled as an out of range: Note: When an over-range or an under-range is detected, the alarms operate as in presence of the maximum or the minimum measurable value respectively.
  • Page 166 RWF55.5X & RWF55.6X User manual M12926CA Rel.0.1 10/2015...
  • Page 167 DEVICE INSTALLATION Fixing system Drilling dimensions:...
  • Page 168 FRONT PANEL Burner release Controlling element CLOSED/stage 1 Controlling element OPEN/stage 2 Operating mode 2-stage Actual value display (red) and parameter value USB led Comunication via interface Operating mode 2-stage Thermal shock protection Alarm function Decrease value Increase value ESC button Enter button...
  • Page 169 NAVIGATION MENU User Level - Opr Parameter level SP1 or SP2 (editable) dSP readable and editable through bin1 = 2 InP1 or y (only display) Basic display Parameter level - PArA Pb1, dt, rt, db, tt Heating controllerHYS1 , HYS2 , HYS3 Cooling controller HYS4 , HYS5 , HYS6...

  • Page 170: Factory Setting

    PID parameters set and modifications (PArA): Push Enter button, on the green display Opr appears; using the down arrow, scroll until group PArA is reached and push Enter. On the green display Pb1 e appears and on the red one the set parameter. Push is sequence the down or up arrow the menu is scrolled. Push Enter to select and the arrows to choose the desired value.
  • Page 171 Setting the kind of sensor to be connected to the device: Push the Enter button: on the lower display (green) Opr appears. Using the up and down arrows find ConF. Push Enter to confirm. Now on the green display the group InP appears. Push Enter and InP1 is displaied. Enter to confirm.You are inside InP1; the green display shows Sen1 (sensor type), while the red display shows the chosen sensor code Push Enter to enter the Sen1 parameter, then choose the desired sensor using the arrows.
  • Page 172 ConF > InP >InP2 Input 2 : this input can be used to specify an external setpoint or carry out setpoint shifting Parameter Value Description no function FnC2 external setpoint (display SPE) setpoint shifting (display dSP) angular positioning feedback SEn2 0 ÷...
  • Page 173 ConF > Cntr Here, the type of controller, operating action, setpoint limits and presettings for self-optimization are selected Parameter Value Description CtYP 3-position controller (open-stop-close) ontroller type continuative action controller (0 ÷10V 4 ÷ 20mA) heating controller CACt control action cooling controller minimum set-point scale -1999..0..+9999...
  • Page 174 Alarm functionAF The alarm function can be used to monitor the analog inputs. If the limit value is exceeded, multifunctional relay K6 (terminals 6N and 6P) is activated (depending on the switching characteristic) The alarm function can have different switching functions (lk1 to lk8) and can be set to a deviation from the active setpoint or to a fixed limit value Limit value AL relative to setpoint (x) Fixed limit value AL...

  • Page 175: Switched-Off

    ConF > AF Parameter Value Description FnCt Without function type of control monitored input Ik1 = InP1 monitored input Ik2 = InP1 monitored input Ik3 = InP1 monitored input Ik4 = InP1 monitored input Ik5 = InP1 monitored input Ik6 = InP1 monitored input Ik7 =...
  • Page 176 ConF > binF This setting decides on the use of the binary inputsD1, D2, DG Parameter Value Description without function bin1 binary imput terminals set-point changeover (SP1 / SP2) – D1) set-point shift (Opr > dSP parameter = value of set-point modify) 2 = l input alarm changeover of operating mode...
  • Page 177 ConF > IntF The controller can be integrated into a data network using an optional RS-485 (terminals R+ and R-) interface or an optional Profibus DP interface(only modelRWF55.6x terminalsC1-C2-C3-C4) Parameter Value Description bdrt 0 = 4800 baud baudrate 1 = 9600 baud 2 = 19200 baud 3 = 38400 baud Address in the data network...

  • Page 178: Display Of Software Version

    Display of software version : The software version is shown by pushing Enter + UP arrow on the upper display Weather-compensated setpoint shifting(climatic regulation): The RWF55 can be configured so that weather-compensated setpoint shifting is activated when an LG-Ni1000 outside sensor or a Pt1000 is connected (see parameter InP3).
  • Page 179 Modbus interface The tables that follow in this chapter specify the addresses of the readable and writable words that the customer is able to access. The customer may read and/or write the values using SCADA programs, PLCs, or similar. The entries under Access have the following meanings: R/O Read Only, value can only be read R/W Read/Write, value can be read and written The number of characters specified under Data type in the case of character strings includes the final \0.
  • Page 180 Configuration level Address Access Data type Signal reference Parameter 0x3426 Float SCL1 Start of display input 1 0x3428 Float SCH1 End of display input 1 0x3432 Float SCL2 Start value input 2 0x3434 Float SCH2 End value input 2 0x3486 Float Start of setpoint limitation 0x3488...
  • Page 181 Dati dell’apparecchio Address Access Data type Signal reference Parameter 0x8000 Char12 Software version 0x8006 Char14 VdN number Stato dell’apparecchio Address Access Data type Signal reference Parameter 0x0200 Word Outputs and states Bit 0 Output 1 Bit 1 Output 3 Bit 2 Output 2 Bit 3 Output 4...

  • Page 182: Electric Connections

    Electric connections : With 7 pins connector version With terminals version Corrispondences bornes entre RWF55.5x y RWF40.0x0Matches terminals betweenRWF55.5x and RWF40.0x0...
  • Page 183 Parameters summarising for RWF55.xx : ConF ConF Navigation menù Inp1 Cntr diSP PArA Types of probe SEn1 OFF1 Unit dECP Pb. 1 HYS1 (*) HYS3 (*) SP1 (*)                          ...
  • Page 184 APPENDIX: PROBES CONNECTION To assure the utmost comfort, the control system needs reliable information, which can be obtained provided the sensors have been installed correctly. Sensors measure and transmit all variations encountered at their location. Measurement is taken based on design features (time constant) and according to specific operating conditions.With wiring run in raceways, the sheath (or pipe) containing the wires must be plugged at the sensor's terminal board so that currents of air cannot affect the sensor's measurements.
  • Page 185 Duct or pipe sensors Installing pressure sensors Installing temperature sensors A - installation on ducts carrying fluids at max. temperature 80°C For measuring outlet air: B - installation on ducts at temperature over 80°C and for refrigerants "after delivery fan or C - installation on ducts at high temperatures : "after coil to be controlled, at a distance of at least 0,5 m ·"increase length of siphon...
  • Page 186 Immersion or strap-on sensors Immersion probes installation Sensors must be installed on the stretch of pipe in which fluid circula- tes all the time. The rigid stem (sensing element doing the measuring) must be inser- ted by at least 75mm and must face the direction of flow. Recommended locations: on a bend or on a straight stretch of pipe but tilted by 45°...
  • Page 187 Duct pressure switches and sensors Installing differential pressure probes for air Basic principles Measuring static pressure(i.e. pressure exerted by air on pipe walls) A - Control a filter (clogging) Measuring dinamic pressure B - Control a fan (upstream/downstream) Legend Kg/m3, specific weight of air m/s, air speed 9.81 m/s2 gravity acceleration mm C.A., dynamic pressure...
  • Page 189 Note: Specifications and data subject to change. Errors and omissions excepted.
  • Page 190 MANUALE USER SUPPORT MULTI-THERMOSTAT MCX06C MCX06C is a multi-thermostat with four 100k NTC inputs. It can control up to 4 temperatures showing them (not more than 2 at the same time) on a couple of displays. It is used to check and adjust oil heater temperatures. it works as follows: as soon as the burner control gives the GO to the digital 1 input (terminals DI1-COM), the adjustment program runs (the relevant LED is ON).
  • Page 191 Connections from terminal side : 24V AC Probe connection: input AI1 = probe Pb1 = set-point “tr” = oil heater temperature probe; input AI2 = probe Pb2 = set-point “tCI” = plant consent temperature probe (when installed); input AI3 = probe Pb3 = set-point “OIL” = oil heater output temperature probe (PID regulation); input AI4 = probe Pb4 = set-point “tcn”...
  • Page 192 (tCI - Pb2 probe only for mechanical atomizing burners) Menu : To enter the menu below, keep pushing ENTER for more than 3 s. Menu code Sub-menu code Function Notes Probes values You can see in sequence the 4 probe values (UP and DOWN keys): the probe code is on display A (Pb1,..., Pb4) and the probe value is on display B (not fitted or out...
  • Page 193 submenu CnF - configuration parameters group : Visibility Password Modbus Menu Parameter Description Additional description Default U.M. condition level index CONFIGURATION Analog Input 1 This parameter enables or disables the Probe 1 Presence probe Calibration Probe 1 Don't modify it -20,0 20,0 °C...
  • Page 194 Visibility Modbus Menu Parameter Description Additional description Default U.M. condition Level index Autotuning Output temperature hysteresis Don't modify it 50,0 °C Startup number Don't modify it Measurement cycles number Don't modify it Max. differential command Don't modify it exit 0,01 10,00 10,00 Differential reduction exit...
  • Page 195 Submenu REG – regulation parameters group : Visibility Modbus Menu Parameter Description Additional description Default U.M. condition Level index REGULATION Probe 1 Set-point Probe 1 Don't modify it (Tank resistor) -50,0 200,0 °C Probe 1 - Low Temperature Alarm Don't modify it Threshold -50,0 200,0...
  • Page 196 Visibility Modbus Menu Parameter Description Additional description Default U.M. condition Level index Overshooting for Integral action Don't modify it (Oil tank exit) 1000 Derivative action enabling Don't modify it (Oil tank exit) Filtering factor for derivative action Don't modify it (Oil tank exit) Duty cicle PWM for output DO3 Don't modify it...
  • Page 197 Alarms & Warning: When the red triangle on the top left lights, one or more alarms are activated. When the red key on the left lights, the output N05-C5 is active and the relay KTRS switches the resistors OFF. Check the reason, correct the failure and, as soon as the temperature is lower than trS, reset it through ALA/rES . In order to show active alarms and warnings, select the relevant menu through ALA/Act.and, using the UP and DOWN buttons, scroll the lines.

This manual is also suitable for:

Pby1030Pby1040Pby1025Rby1030Rby1040

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