Related Manuals for CIB UNIGAS RG91
Summary of Contents for CIB UNIGAS RG91
- Page 1 RG91 - RG92 - RG93 RG510 - RG515 RG520 - RG525 Light oil burners Progressive, Fully-modulating MANUAL OF INSTALLATION - USE - MAINTENANCE BURNERS - BRUCIATORI - BRULERS - BRENNER - QUEMADORES - ГОРЕЛКИ M039214CE 2.0 10/2020...
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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 Gas - Light oil burners For the following information, please refer to Model Year European Directives the data plate: 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: General Features
PART I: INSTALLATION PART I: INSTALLATION GENERAL FEATURES The burners of this series represent monoblock burners made in die-cast aluminium housing with relative flange to work on heating generators. The maximum output range is from 2100kW to 8000kW (according to the model).They can be provided in progressive or fully-modulating version. -
Page 6: Burner Model Identification
PART I: INSTALLATION How to interpret the burner’s “Performance curve” To check if the burner is suitable for the boiler to which it must be installled, the following parameters are needed: furnace input, in kW or kcal/h (kW = kcal/h / 860); ... -
Page 7: Technical Specifications
PART I: INSTALLATION Technical specifications BURNERS RG91 RG92 RG93 Output min. -max. kW 698 - 2.093 849 - 2.558 550 - 4.100 Light oil rate min. -max. kg/h 59 - 176 72 - 215 46 - 345 Fuel Light oil Viscosity cSt @ 40 °C... -
Page 8: Performance Curves
PART I: INSTALLATION Performance curves RG91 RG92 1200 1600 2000 2400 2800 1200 1600 2000 2400 RG93 500 1000 1500 2000 2500 3000 3500 4000 4500 RG510 RG515 1000 1800 2600 3400 4200 1200 2000 2800 3600 4400 5200 RG525... - Page 9 Overall dimensions (mm) boiler recommended dril- ling template burner flange B*: SPECIAL blast tube lengths must be agreed with Cib Unigas Omin Omax (AS) (AL) (BS) (BL) RG91 1345 1518 1045 RG92 1339 1512 1045 RG93 1339 1512 1045 *AS/BS: measure referred to burner with standard blast tube provided...
- Page 10 B*: SPECIAL blast tube lengths must be agreed with Cib Unigas AC AD (AS) (AL) (BS) (BL) RG510 1451 1671 219 217 246 35 468 1141 571 1313 642 329 369 540 496 M14 552 390 390...
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Page 11: Transport And Storage
PART I: INSTALLATION MOUNTINGS AND CONNECTIONS 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 12 PART I: INSTALLATION Matching the burner to the boiler The burners described in this manual have been tested with combustion chambers that comply with EN676 regulation and whose dimensions are described in the diagram . In case the burner must be coupled with boilers with a combustion chamber smaller in diameter or shorter than those described in the diagram, please contact the supplier, to verify that a correct matching is possible, with respect of the application involved.
- Page 13 PART I: INSTALLATION OIL TRAIN CONNECTIONS Hydraulic diagrams for light oil supplying circuits GRAVITY CIRCUIT RING CIRCUIT 1 Manual valve 2 Light oil filter 3 Light oil feeding pump 4 One way valve 5 Flexible hoses 6 Relief valve SUCTION CIRCUIT NOTE: in plants where gravity or ring feed systems are provided, install an automatic interception device.
- Page 14 PART I: INSTALLATION Installation diagram of light oil pipes PLEASE READ CAREFULLY THE “WARNINGS” CHAPTER AT THE BEGINNING OF THIS MANUAL. From tank To tank Double-pipe system The burner is supplied with filter and flexible hoses, all the parts upstream the filter and downstream the return flexible hose, must be installed by the customer.
- Page 15 PART I: INSTALLATION Suntec T Pump The bypass plug inserted between the pressure-side and shaft seal is only intended to change the pump rotation, check the presence of this plug by means of a 4 mm Allen key in the pressure outlet of the pump. Caution: changing the direction of pump rotation involves changing of all pump connections.
- Page 16 PART I: INSTALLATION Light oil pumps The pumps provided with these burners are Suntec TA (except mod. RG525). RG525: Suntec T pump and Suntec TV pressure governor are provided. Suntec TA.. Oil viscosity 3 ÷ 75 cSt Oil temperature 0 ÷ 150°C Min.
- Page 17 PART I: INSTALLATION Assembling the light oil flexible hoses To connect the flexible light oil hoses to the pump, proceed as follows, according to the pump provided: remove the closing nuts A and R on the inlet and return connections of the pump; screw the rotating nut of the two flexible hoses on the pump being careful to avoid exchanging the inlet and return lines: see the arrows marked on the pump that show the inlet and the return (see prevoius paragraph).
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Page 18: Oil Circuit
PART I: INSTALLATION Oil circuit The fuel is pushed into the pump 1 to the nozzle 3 at the delivery pressure set by the pressure governor. The solenoid valve 2 stops the fuel immission into the combustion chamber. The fuel flow rate that is not burnt goes back to the tank through the return circuit. The spill- back nozzle is feeded at constant pressure, while the return line pressure is adjusted by means of the pressure governor controlled by an actuator coupled to an adjusting cam. -
Page 19: Electrical Connections
PART I: INSTALLATION 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 20 PART I: INSTALLATION ADJUSTING AIR AND LIGHT OIL FLOW RATE Light oil nozzles 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. NOZZLE SUPPLY HIGH FLAME LOW FLAME...
- Page 21 PART I: INSTALLATION FLUIDICS KW3...60° NOZZLE SUPPLY PRESSURE = 20 bar. VISCOSITY AT NOZZLE = 5 cSt The nominal size of the nozzle is indicated at the ends of the curve Pressure on return (bar)
- Page 22 PART I: INSTALLATION FLUIDICS KW3...60° NOZZLE SUPPLY PRESSURE = 20 bar. VISCOSITY AT NOZZLE = 5 cSt The nominal size of the nozzle is indicated at the ends of the curve Pressure on return (bar) The nominal size of the nozzle is indicated at the ends of the curve Pressure on return (bar)
- Page 23 PART I: INSTALLATION FLUIDICS KW3...60° NOZZLE SUPPLY PRESSURE = 20 bar. VISCOSITY AT NOZZLE = 5 cSt The nominal size of the nozzle is indicated at the ends of the curve Pressure on return (bar) The nominal size of the nozzle is indicated at the ends of the curve Pressure on return (bar) The nominal size of the nozzle is indicated at the ends of the...
- Page 24 PART I: INSTALLATION FLUIDICS KW3...45° NOZZLE SUPPLY PRESSURE = 20 bar. VISCOSITY AT NOZZLE = 5 cSt The nominal size of the nozzle is indicated at the ends of the curve Pressure on return (bar) The nominal size of the nozzle is indicated at the ends of the curve Pressure on return (bar) The nominal size of the nozzle is indicated at the ends of the curve Pressure on return (bar)
- Page 25 PART I: INSTALLATION FLUIDICS KW3...45° NOZZLE SUPPLY PRESSURE = 20 bar. VISCOSITY AT NOZZLE = 5 cSt The nominal size of the nozzle is indicated at the ends of the curve Pressure on return (bar) The nominal size of the nozzle is indicated at the ends of the curve Pressure on return (bar) The nominal size of the nozzle is indicated at the ends of the curve Pressure on return (bar)
- Page 26 PART I: INSTALLATION FLUIDICS KW3...45° NOZZLE SUPPLY PRESSURE = 20 bar. VISCOSITY AT NOZZLE = 5 cSt The nominal size of the nozzle is indicated at the ends of the curve Pressure on return (bar) The nominal size of the nozzle is indicated at the ends of the curve Pressure on return (bar) The nominal size of the nozzle is indicated at the ends of the curve Pressure on return (bar)
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Page 27: Adjustment Procedure
PART I: INSTALLATION ATTENTION: before starting the burner up, be sure that the manual cutoff valves are open. Be sure that the mains switch is closed. Before starting up the burner, make sure that the return pipe to the tank is not obstructed. Any obstruction would cause the pump seal to break. - Page 28 PART I: INSTALLATION Oil Flow Rate Settings by means Siemens SQM40.. actuator with the electrical panel open, prime the oil pump acting directly on the related CP contactor (see next picture): check the pump motor rotation and keep pressing for some seconds until the oil circuit is charged;Check the fan motor rotation (see page 19). bleed the air from the M pressure gauge port (Fig.
- Page 29 PART I: INSTALLATION SQM40.265 Actuator cams Version with flame control LMO 24.255 / 44.255 Version with flame control LAL 2.25 (RD) I High flame (RD) I High flame (BU) II Stand-by (BU) II Stand-by (OG) III Low flame (OG) III Low flame (YE) IV (YE) IV...
- Page 30 PART I: INSTALLATION ”MIN” position ”MAX” position Attention! if it is necessary to change the head position, repeat the air and gas adjustments described above. 13 the air and oil rate are now adjusted at the maximum power stage, go on with the point to point adjustement on the SV adjusting cam as to reach the minimum output point.
- Page 31 PART I: INSTALLATION Calibration of air pressure switch (when provided) To calibrate the air pressure switch, proceed as follows: Remove the transparent plastic cap. Once air and gas setting have been accomplished, startup the burner. During the pre-purge phase o the operation, turn slowly the adjusting ring nut VR in the ...
- Page 32 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.
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Page 33: Operation
PART II: OPERATION OPERATION ATTENTION: before starting the burner up, be sure that the manual cutoff valves are open. Be sure that the mains switch is closed. Set to the ON position the switch A on the control panel of the burner. Check the control box is not in the lockout position (light B must be off);... -
Page 34: Routine Maintenance
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 35 PART III: MAINTENANCE Removing the combustion head Remove the top cover C; remove the photoresistor from its seat; unscrew the revolving connectors (E in figure) on the fuel pipes (use 2 spanners to avoid loosening the connections attached to the distributor block);...
- Page 36 PART III: MAINTENANCE Correct position of electrodes and combustion head ATTENTION: avoid the ignition electrodes to get in touch with 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. To guarantee a good ignition the measures (in mm) shown on the next pictures must be observed.
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Page 37: Seasonal Stop
PART III: MAINTENANCE Checking the detection current To measure the detection signal follow the diagram in Fig. 11. If the signal is not in the advised range, check the electrical contacts, the cleaning of the combustion head, the position of the photoresistor and if necessary replace it. series 9x: LMO MC TERMINAL BLOCK series 5xx: LAL25... - Page 38 PART III: MAINTENANCE TROUBLESHOOTNG GUIDE - Light oil operation * No electric power supply * Wait for electric power supply is back * Main switch open * Close the switch * Thermostats open * Check set points and thermostat connections * Bad thermostat set point or broken thermostat * Set or replace the thermostat * No gas pressure...
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Page 39: Burner Exploded View
BURNER EXPLODED VIEW 21.2 10.4 10.5 21.4 10.6 10.6 21.1 21.3 21.5 19 19 11 15.1 15.2 10.2 10.3 20.1.1 22.1 10.1 20.5 20.6 20.2 20.3 20.4.2 20.4.3 18.5 18.2 20.4.1 18.1 18.3 18.4... - Page 40 PRESSURE SWITCH 15.1 SILENCER 21.3 COMBUSTION HEAD ADJUSTING PIPE AIR PRESSURE SWITCH 15.2 SILENCER 21.4 IGNITION CABLE OIL FLEXIBLE HOSE EXTENDED BLAST TUBE 21.5 COMBUSTION HEAD OIL FLEXIBLE HOSE MOTOR 22.1 COVER OIL FLEXIBLE HOSE 18.1 BRACKET PRESSURE GAUGE ONE-WAY VALVE 18.2 BRACKET MODULATOR CONNECTOR...
- Page 41 PART III: MAINTENANCE...
- Page 44 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.
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