Related Manuals for Unigas R512A
Summary of Contents for Unigas R512A
- Page 1 R512A - R515A R520A - R525A LMV2.. Microprocessor-controlled gas burners MANUAL OF INSTALLATION - USE - MAINTENANCE BURNERS - BRUCIATORI - BRULERS - BRENNER - QUEMADORES - ГОРЕЛКИ M039240CA 12/2009...
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Page 2: Table Of Contents
TABLE OF CONTENTS WARNINGS ................................3 PART I: INSTALLATION MANUAL .......................... 5 GENERAL FEATURES ................................... 5 How to interpret the burner’s “Performance curve” ......................... 6 BURNERS FEATURES .................................. 7 Burner model identification ................................7 Technical Specifications ................................. 7 Country and usefulness gas categories ............................7 Overall dimensions .................................. -
Page 3: Warnings
WARNINGS 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. THE USER WILL FIND FURTHER INFORMATION ABOUT OPERATING AND USE RESTRICTIONS, IN THE SECOND SECTION OF THIS MANUAL. - Page 4 DIRECTIVES AND STANDARDS 3b) FIRING WITH GAS, LIGHT OIL OR OTHER FUELS Gas burners GENERAL European directives: The burner shall be installed by qualified personnel and in com- - Directive 90/396/CEE - Gas Appliances; pliance with regulations and provisions in force; wrong installation Directive 2006/95/EC on low voltage;...
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Page 5: Part I: Installation Manual
C.I.B. UNIGAS - M039240CA PART I: INSTALLATION MANUAL GENERAL FEATURES 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. -
Page 6: How To Interpret The Burner's "Performance Curve
C.I.B. UNIGAS - M039240CA 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: Burners Features
Burners are identified by burner type and model. Burner model identification is described as follows. Type R512A Model PR. S. (6) (7) (8) (1) BURNER TYPE R512A - R515A - R520A - R525A (2) FUEL M - Natural gas (3) OPERATION PR - Progressive MD - Fully modulating... -
Page 8: Overall Dimensions
C.I.B. UNIGAS - M039240CA... - Page 9 C.I.B. UNIGAS - M039240CA Performance Curves R512A R515A 1500 2500 3500 4500 5500 1500 2500 3500 4500 R520A 1500 2500 3500 4500 5500 6500 7500 R525A Rp2 R525A DN65 - DN80 - DN100 1500 2500 3500 4500 5500 6500 7500...
- Page 10 C.I.B. UNIGAS - M039240CA Pressure in the Network / gas flow rate curves R512A R515A Rp 2" (50) Rp 2" (50) DN65 DN65 DN80 DN80 DN100 DN100 50 100 150 200 250 300 350 400 450 500 550 600 650...
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Page 11: Mounting And Connecting The Burner
C.I.B. UNIGAS - M039240CA MOUNTING AND CONNECTING THE BURNER Packing The burners are despatched in wooden crates whose dimensions are: 1570mm x 1470mm x 1220mm (L x P x H) Packing cases of this type are affected by humidity and are not suitable for stacking. -
Page 12: Fitting The Burner To The Boiler
C.I.B. UNIGAS - M039240CA SIDE UP SIDE DOWN Fitting the burner to the boiler To install the 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 according to the procedure described on paragraph “Handling the burner”;... -
Page 13: Gas Train Connections
C.I.B. UNIGAS - M039240CA GAS TRAIN CONNECTIONS The diagrams show the components of the gas train included in the delivery and which must be fitted by the installer.The diagrams are in compliance with the current laws. ATTENTION: BEFORE EXECUTING THE CONNECTIONS TO THE GAS PIPE NETWORK, BE SURE THAT THE MANUAL CUTOFF VALVES ARE CLOSED. -
Page 14: Assembling The Gas Grain
C.I.B. UNIGAS - M039240CA Assembling the gas grain gas supply network ”direction” arrows for installation Keys 1A..1E Gasket Gas filter Gas valves group Bellow joint Manual cock Fig. 5 - Example of gas train To mount the gas train, proceed as follows: 1-a) in case of threaded joints: use proper seals according to the gas used;... -
Page 15: Siemens Vgd20
C.I.B. UNIGAS - M039240CA MULTIBLOC DUNGS MBC300-700-1200SE (Threaded valves group) Mounting 1. Mount flange onto tube lines. Use appropriate sealing agent (see Fig. 6) 2. Insert MBC...SE. Note position of O rings (see Fig. 7). Fig. 6 3. Tighten screws A – H 4. -
Page 16: Pressure Adjusting Range
C.I.B. UNIGAS - M039240CA WARNING: removing the four screws BS causes the device to be unserviceable! SIEMENS VGD..MOUNTING POSITIONS SKP1. SKP2. 7631z05/0101 Fig. 11 Fig. 10 Fig. 9 Pressure adjusting range The pressure adjusting range, downstream the gas valves group, changes according to the spring provided with the valve group. -
Page 17: Electrical Connections
C.I.B. UNIGAS - M039240CA ELECTRICAL CONNECTIONS 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. -
Page 18: Adjusting Air And Gas Flow Rates
C.I.B. UNIGAS - M039240CA ADJUSTING AIR AND GAS FLOW RATES Combustion head gas pressure curves depending on the flow rate Curves are referred to pressure = 0mbar in the combustion head! The curves referred to the gas pressure in the combustion head, depending on the gas flow rate, are referred to the burner properly adjusted (percentage of residual O in the flues as shown in the “Recommended combustion values”... -
Page 19: Gas Filter
C.I.B. UNIGAS - M039240CA Pressure in combustion head - gas flow rate curves R512A R515A R520A R525A 100 150 200 250 300 350 400 450 500 550 600 650 700 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 Gas Filter The gas filters remove the dust particles that are present in the gas, and prevent the elements at risk (e.g.: burners, counters and regu-... -
Page 20: User Interface
C.I.B. UNIGAS - M039240CA User interface The AZL2x.. display is shown below: h min s 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. -
Page 21: Setting Menu
C.I.B. UNIGAS - M039240CA The display will show these data:The display will show these data: Lock+unlock codes Flame Open valves Ignition transformers energised Fan motor energised Oil pre-heater energised Plant heat request Parametere setting mode Info mode Service mode h min s... -
Page 22: Phases List
C.I.B. UNIGAS - M039240CA PHASES LIST During operation, the following program phases are shown. The meaning for each phase is quoted in the table below. Phase Funzione Function Ph00 Fase blocco Lockout phase Ph01 Fase di sicurezza Safety phase Ph10... -
Page 23: Entering The Parameter Levels
C.I.B. UNIGAS - M039240CA 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 24 C.I.B. UNIGAS - M039240CA The Info level shows some basic parameters as: Parameter Description Cubic meters of fule (resettable) Operating hours (resettable) Device operating hours Burners start-ups (resettable) Total number of start-ups Burner number (i.e. serial number) Software version Software date...
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Page 25: Service Level
C.I.B. UNIGAS - M039240CA another message Diagnostic code (in the example “diagnostic code:3”). Record the codes and find out the fault in the Error table. To perform the reset, press InFo for one second: The unit displays an event which does not lead to shutdown. -
Page 26: Adjusting Air And Gas Flow Rates
C.I.B. UNIGAS - M039240CA parameter list. Once the last parameter is accessed (143) by pressing + , the End message will blink. Press InFo for more than three seconds or for more than three seconds orto return to the normal display. -
Page 27: Adjustments - Brief Description
C.I.B. UNIGAS - M039240CA 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. Check the flow rate measuring it on the counter or, if it was not possible, verifying the combustion head pressure by means of a dif- ferential pressure gauge, as described on par. -
Page 28: Adjusting The Combustion Head
C.I.B. UNIGAS - M039240CA Fully modulating burners To adjust the fully-modulating burners, use the CMF switch on the burner control panel (see Fig. 14), instead of the TAB thermostat as described on the previous paragraphs about the progressive burners. Go on adjusting the burner as described before, paying attention to use the CMF switch intead of TAB. -
Page 29: Calibration Of Air And Gas Pressure Switches
C.I.B. UNIGAS - M039240CA Calibration of air and gas pressure switches The air pressure switch locks the control box if the air pressure is not the one requested. If it hap- pens, unlock the burner by means of the control box unlock pushbutton, placed on the burner control panel. -
Page 30: Part Ii: Operation
C.I.B. UNIGAS - M039240CA PART II: OPERATION LIMITATIONS OF USE THE BURNER IS AN APPLIANCE DESIGNED AND CONSTRUCTED TO OPERATE ONLY AFTER BEING CORRECTLY CON- NECTED TO A HEAT GENERATOR (E.G. BOILER, HOT AIR GENERATOR, FURNACE, ETC.), ANY OTHER USE IS TO BE CONSI- DERED IMPROPER AND THEREFORE DANGEROUS. -
Page 31: Operation
C.I.B. UNIGAS - M039240CA OPERATION ATTENTION: BEFORE STARTING THE BURNER UP, BE SURE THAT THE MANUAL CUTOFF VALVES ARE OPEN AND CHECK THAT THE PRESSURE VALUE UPSTREAM THE GAS TRAIN MATCHES THE VALUE ON PARAGRAPH “TECHNICAL SPECIFICATIONS”). CHECK THAT THE MAINS SWITCH IS CLOSED. CAREF Set to “on”... -
Page 32: Part Iii: Maintenance
C.I.B. UNIGAS - M039240CA 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 33: Removing The Combustion Head
C.I.B. UNIGAS - M039240CA Removing the combustion head 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 34: Replacing The Ignition Electrodes
C.I.B. UNIGAS - M039240CA Replacing the ignition electrodes ATTENTION: avoid the ignition and detection electrodes to contact metallic parts (blast tube, head, etc.), otherwise the boi- ler’s operation would be compromised. Check the electrodes position after any intervention on the combustion head. -
Page 35: Replacing The Spring In The Gas Valve Group
C.I.B. UNIGAS - M039240CA Replacing the spring in the gas valve group To replace the spring in the gas valve group,proceed as follows: Carefully twist the protection cap 1 and the O-ring 2. Remove the “set value” spring 3 from housing 4. -
Page 36: Spare Parts
C.I.B. UNIGAS - M039240CA SPARE PARTS Code Desription R512A R515A R520A R525A BURNER CONTROLLER - SIEMENS LMV20 2020474 2020474 2020474 2020474 IGNITION ELECTRODE 2080266 2080266 2080266 2080266 DETECTION ELECTRODE 2080118 2080118 2080118 2080118 2090119 2090119 2090119 2090119 GAS FILTER - Rp 2”... -
Page 37: Wiring Diagrams
WIRING DIAGRAMS ATTENTION: 1 - Power supply: 400V 50Hz 3N a.c. and 230V 50Hz 1N a.c. 2 - Don’t reverse phase and neutral 3 - Ensure the burner is properly earthed SE05-844: PROGRESSIVE BURNERS SE05-848: FULLY-MODULATING BURNERS... - Page 56 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.