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Summary of Contents for CIB UNIGAS RX2060-FGR
- Page 1 RX2060-FGR RX2080-FGR LMV5x Microprocessor controlled Gas burners MANUAL OF INSTALLATION - USE - MAINTENANCE BURNERS - BRUCIATORI - BRULERS - BRENNER - QUEMADORES - ГОРЕЛКИ M039595CA 0.0 06/2020...
- Page 2 PART I: SPECIFICATIONS PART I: SPECIFICATIONS BURNERS FEATURES Note: the figure is indicative only 1 Control panel with startup switch 2 Gas train 3 Electrical panel 4 Cover 5 Ignitor gas train 6 Blast tube + Combustion head 7 FGR, flue gas recirculation 8 Actuator 9 Silcencer 10 Air pressure switch...
- Page 3 Burners are identified by burner type and model. Burner model identification is described as follows. Type RX2060-FGR Model MD. S. 125. BURNER TYPE RX2060-FGR - RX2080-FGR FUEL M - Natural gas OPERATION (Available versions) MD - Fully modulating BLAST TUBE S - Standard...
- Page 4 Overall dimensions (mm) - RX2060-FGR - RX2060-FGR 1064 1493 Ø 871- 39 1336 1695 2436 2260 45° N°8 ФЛАНЕЦ FGR Boiler recom- Burner...
- Page 5 PART I: SPECIFICATIONS How to read the burner “Performance curve” To check if the burner is suitable for the boiler to which it must be instal- Campo di lavoro bruciatori lled, the following parameters are needed: Tipo P60 Mod. M-xx.x.IT.A.0.50 - M-.xx.x.IT.A.0.65 furnace input, in kW or kcal/h (kW = kcal/h/860);...
- Page 6 PART I: SPECIFICATIONS Performance Curves RX2060 RX2080 (1) ПРИМЕЧАНИЕ (1): при использовании функции ЛГР (RX2080-FGR) рабочий диапазон должен быть уменьшен в зависимости от применяемого процента рециркуляции. 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 PART I: SPECIFICATIONS Combustion head gas pressure curves Combustion head gas pressure depends on gas flow and combustion chamber backpressure. When backpressure is subtracted, it depends only on gas flow, provided combustion is properly adjusted, flue gases residual O2 percentage complies with “Recommended combustion values”...
- Page 8 PART I: SPECIFICATIONS Pressure - rate in combustion head curves (natural gas) Curves are referred to pressure = 0 mbar in the combustion chamber! RX2080 M-.. Example of Working Range RX2080 with FGR application (RX2080-FGR) Example of Working Range RX2080 with FGR application (RX2080-FGR) Example of attenuation due to FGR system (indicative values)
- Page 9 PART II: INSTALLATION PART II: INSTALLATION MOUNTING AND CONNECTING THE BURNER Transport and storage ATTENTION! The equipment must be installed in compliance with the regulations in force, following the manufac- turer’s instructions, by qualified personnel. All handling operations must be carried out with appropriate resources and qualified personnel ATTENTION: Use intact and correctly dimensioned hoisting equipment, conforms to the local regulations and health and safety regulations.
- Page 10 PART II: INSTALLATION Fitting the burner to the boiler To perform the installation, proceed as follows: drill the furnace plateas decribed in paragraph (“Overall dimensions”); place the burner towards the furnace plate: lift and move the burner by means of its eyebolts placed on the top side (see”Lifting and moving the burner”);...
- Page 11 PART II: INSTALLATION Sizing of the FGR pipe (FGR burners only) ATTENTION! Performance curve is obtained in a plant designed according to the example picture, sizing the pipe as per the example below. 1111 Keys: 1 stainless steel (inox) 2 burner 3 boiler 4 bellow unit (loose supplied counter-flange to be welded to the FGR duct)
- Page 12 PART II: INSTALLATION GAS TRAIN CONNECTIONS The diagrams show the components of the gas trai included in the delivery and which must be fitted by the installer.The diagrams are in compliance with the current laws. Gas train with valves group VGD and MBE with built-in gas pressure governor + gas leakage pres- sure switch (PGCP) BY OTHERS SUPPLIED BY BURNER CONSTRUCTOR...
- Page 13 PART II: INSTALLATION MultiBloc MBE Example of gas train MBE ALLA V. FARFALLA 501939 GAS BRUCIATORE ø185 VD-R VD-V VD-R VD-V Gas filter PGMAX PGMAX PGMIN PGMIN PS pressure sensor PGCP PGCP VD-V VD-R Gas filter PGMIN PGCP PGMAX To mount the gas train, proceed as follows: 1) in case of threaded joints: use proper seals according to the gas used;...
- Page 14 PART II: INSTALLATION Threaded train with MultiBloc MBE - Mounting 1. Mount flange into pipe systems. Use appropriate sealing agent. 1. Insert studs A. 2. Insert VB together with supplied O-rings. 2. Insert seals B. Check current position of O-rings. 3.
- Page 15 PART II: INSTALLATION Mounting position MBE / VB / VD VD-V Mounting VD-R & PS-... ActuatorVD-V Actuator VD-R 1. Gas pressure regulation is possible with VD-R and PS pressure sensor only. WARNING! For US/CN installation, the output pressure must be monitoried by min.
- Page 16 PART II: INSTALLATION SKP1. SKP2. SIEMENS VGD..MOUNTING POSITIONS Siemens VGD valves with SKP actuator: The pressure adjusting range, upstream the gas valves group, changes according to the spring provided with the valve group. Fig. 4 Gas valveversion with SKP2 (built-in pressure stabilizer) To replace the spring supplied with the valve group, proceed as follows: - Remove the cap (T) - Unscrew the adjusting screw (VR) with a screwdriver...
- Page 17 PART II: INSTALLATION 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 18 PART II: INSTALLATION connection to the gas supply to the burner network gas proving system connection (optional) SIEMENS VGD40.. Fig. 6 - pipe port (3) for connecting the pilot gas train to the valves group of the main gas train Integrated proving system (burners equipped with LME7x, LMV, LDU) This paragraph describes the integrated proving system operation sequence: At the beginning both the valves (EV1 and EV2) must be closed.
- Page 19 PART III: OPERATION PART III: 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 20 PART III: OPERATION 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 21 PART III: OPERATION BURNERS WITH INVERTER VARIANT (if provided) LMV5 M-.MD.x.xx.x.x.xx.EI, M-.MD.x.xx.x.x.xx.EG MG.MD.x.xx.x.x.xx.EK, MG.MD.x.xx.x.x.xx.ER The LMV51.300 / LMV52.xxx electronic cam burners with fan motor driven by inverter in addition to the air and fuel adjustment curves also have a fan motor speed adjustment curve. The LMV equipment through a sensor controls the fan motor revolutions and with a signal in 4÷20mA controls it through the inverter.
- Page 22 PART III: OPERATION Fig. 7 - Burner control panel B2 B3 B4 B5 Main switch Gas valves EV2 operation signalling lamp Reset pushbutton for control box Gas valves EV1 operation signalling lamp CMF switch (0=stop, 1=low flame, 2=high flame, 3=automatic) - fully modulating burners only Gas pressure switch signal lamp Lock-out LED Gas proving system lockout signalling lamp...
- Page 23 PART III: OPERATION AIR FLOW AND FUEL ADJUSTMENT WARNING! During commissioning operations, do not let the burner operate with insufficient air flow (danger of formation of carbon monoxide); if this should happen, make the fuel decrease slowly until the normal combustion values are achieved.
- Page 24 PART III: OPERATION Start-up procedure Turn the burner on. the LMV control box starts the system test cycle: the AZL display shows the System Test message; at the end of the test, it shows the main page and the system stops (the safety chain is open) waiting for the startup enabling signal (standby - Program phase no. Setpoint 80°C Act.value...
- Page 25 PART III: OPERATION OperationalStat Operation ManualOperation Params & Display Main menu By pressing the ESC key once, the Operational Status (first item in the main menu) menu is directly shown: Normal operation Status/Reset Fault History Lockout History the Operational Status menu provides the following items: Normal operation: by selecting this item and pressing the ENTER key, the main page is showed;...
- Page 26 PART III: OPERATION To see the other Lockout History pages, press the arrow keys. To exit the Lockout History pages, press ESC. Setting the temperature/pressure set-point value To set the temperature/pressure set-point value, that is the generator operating temperature/pressure; proceed as follows. From the main page, enter the main menu by pressing the ESC key twice: OperationalStat Operation...
- Page 27 PART III: OPERATION Setpoint Actual value SDoff SDon To set these values, select the item SD_ModOn (SDOn), by scrolling down the “Load controller” menu with the arrow keys and press ENTER: SetpointW1 SetpointW2 SD_ModOn SD_ModOff the display will show: SD_ModOn Curr:: 1.0% New:...
- Page 28 PART III: OPERATION confirm by pressing ENTER: Times Languages DateFormat PhysicalUnits Times: it sets the “Summer (SUM) Time / Winter (WIN) Time” operation and the continent (EU - Europe; US - United States) Sum/Winter Time Time EU/US choose the Summertime/Wintertime mode desired and cofirm by pressing ENTER; press ESC to exit. Set the time zone (Time EU/US) in the same way.
- Page 29 PART III: OPERATION call the Technical Service and tell the message data. Cold start thermal shock (CSTP) If the generator cannot suffer thermal shocks, the CSTP (Cold Start Thermal Schock) function can be enabled. 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”...
- Page 30 PART III: OPERATION MultiBloc MBE Regulation VD-R whith PS Setting scale is „Not“ linear! Various sensors available. Output pressure according to sensor‘s measuring range. Increasing pressure Adjust the outlet pressure to the value specified by the burner or equipment manufacturer! While making outlet pressure adjustments, do not exceed a value that creates a hazardous condition to the burner!
- Page 31 PART III: OPERATION Calibration air and gas pressure switches The air pressure switch locks the control box if the air pressure is not the one requested. If it happens, unlock the burner by means of the control box unlock pushbutton, placed on the bur- ner control panel.
- Page 32 PART III: OPERATION Adjusting the combustion head Attention! if it is necessary to change the head position, repeat the air and fuel adjustments described above. .The combustion head position affects the flame stability.The diffuser position must be set during the commissioning according to the regulation needs.
- Page 33 PART IV: MAINTENANCE PART IV: 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 34 PART IV: MAINTENANCE MultiBloc MBE MultiBloc VD Mounting to push position 1. Position VD on VB, fig. 2+3. 2. Slide VD forward up to the stop, fig. 4. 3. Screw VD on with 2 M5 screws for each, max. 5 Nm/44 in.-lb., fig. 5/6. 4.
- Page 35 PART IV: MAINTENANCE Removing the combustion head Attention: before adjusting the combustion head, turn the burner off and wait until it gets cold. Remove the cover C. remove the electrodes cables; unscrew the 3 screws V which hold in position the gas manifold G and pull out the complete group as shown in the picture below. ...
- Page 36 PART IV: MAINTENANCE Ignition pilot electrode positions ATTENTION: avoid the ignition and detection electrodes to contact metallic parts (blast tube, head, etc.), otherwise the boiler’s operation would be compromised. Check the electrodes position after any intervention on the combustion head. Position of ignition electrode Seasonal stop...
- Page 37 PART IV: MAINTENANCE TROUBLESHOOTNG GUIDE Gas operation * No electric power supply * Restore power supply * Main switch open * Close switch * Thermostats open * Check set points and thermostat connections * Bad thermostat set point or broken thermostat * Reset or replace the thermostat * No gas pressure * Restore gas pressure...
- Page 38 PART IV: MAINTENANCE...
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