Unigas Idea Series Technical Manual Of Installation, Use And Maintenance
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- Manual of installation - use - maintenance (89 pages) ,
- Installation, use and maintenance instruction manual (48 pages) ,
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Summary of Contents for Unigas Idea Series
- Page 1 LG/NG/NGX70 LG/NG90 Idea Series Gas burners MANUAL OF INSTALLATION - USE - MAINTENANCE BURNERS - BRUCIATORI - BRULERS - BRENNER - QUEMADORES - ГОРЕЛКИ M039135CG Rev. 6 07/2008...
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Page 2: Table Of Contents
C.I.B. UNIGAS - M039135CG TABLE OF CONTENTS WARNINGS ................................3 PART I - INSTALLATION ............................5 Specifications ....................................5 Country and usefulness gas categories ............................7 Performance curves ..................................10 Pressure in the network / gas flow rate curves ........................... 11 MOUNTINGS AND CONNECTIONS ............................ -
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
C.I.B. UNIGAS - M039135CG PART I - INSTALLATION Burner model identification Burners are identified by burner type and model. Burner model identification is described as follows. Type NG90 Model NG - Natural gas burner (1) BURNER TYPE LG - L.P.G. burner... - Page 6 C.I.B. UNIGAS - M039135CG BURNERS LG70 L-.TN...10 LG70 L-.TN...15 LG90 L-.TN...10 LG90 L-.TN...15 30 - 70 40 - 85 Output min. - max. kW L.P.G. L.P.G. L.P.G. L.P.G. Fuel Category 3B/P 1.2 - 2.7 1.5 - 3.3 Gas rate min.-max. (Stm Gas pressure min.-max.
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Page 7: Country And Usefulness Gas Categories
C.I.B. UNIGAS - M039135CG Note1: All gas flow rates are referred to Stm /h (1013 mbar absolute pressure, 15 °C temperature) and are valid for G20 gas (nett calorific value H = 34.02 MJ/Stm ); for L.P.G. (nett calorific value H = 93.5 MJ/Stm... - Page 8 OVERALL DIMENSIONS (mm) (NG70 - NG90) Burner flange and boiler drilling template Tmin. min. max. min. max. min. max. min. max. min. max. NG70 ..S.. 1/2" Ø80 Ø95 Ø78,5 NG70 ..L.. 1/2" Ø80 Ø95 Ø78,5 NG90 ..S.. 1/2" Ø80 Ø95 Ø78,5 NG90 ..L..
- Page 9 NGX70 Burner flange and boiler drilling template min. max. min. max. min. max. min. max. min. max. NGX70 304 14 291 Ø80 Ø98 99 145 218 M8 153 96 120 108 167 7 438 291 Standard Blast tube NGX70 149 294 377 304 14 291 Ø80 Ø98 99 145 218 M8 153 96 120 108 292 375 125 208 167 2 438 291 Extended...
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Page 10: Performance Curves
C.I.B. UNIGAS - M039135CG Performance curves L.P.G. Burners NG70 M-.TN... NG70 M-.AB... -0,5 -0,5 NG90 M-.TN... NG90 M-.AB... -0,5 -0,5 L.P.G. Burners LG70 L-.TN... LG70 L-.AB... -0,5 -0,5 LG90 L-.TN... LG90 L-.AB... -0,5 -0,5... -
Page 11: Pressure In The Network / Gas Flow Rate Curves
C.I.B. UNIGAS - M039135CG Low NOx burners NGX70 M-.TN... NGX70 M-.AB... -0,5 -0,5 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. Pressure in the network / gas flow rate curves L.P.G. - Page 12 C.I.B. UNIGAS - M039135CG LG90 L-.TN... LG90 L-.AB... Rp ½" (10) Rp ½ " (10) Rp ½" (15) Rp ½ " (15) Gas rate Stm Gas rate Stm Low NOx burners NGX70 M-.TN... NGX70 M-.AB... Rp ½ " (15) Rp ½" (15) Rp ¾"...
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Page 13: Mountings And Connections
C.I.B. UNIGAS - M039135CG MOUNTINGS AND CONNECTIONS Packing .The burners are despatched in cardboard packages whose dimensions are: 400mm x 300mm x 520mm (L x P x H) Packing cases of this type are affected by humidity; the maximum number of cases to be stacked is indicated outside the packing. -
Page 14: Installing The Gas Train
C.I.B. UNIGAS - M039135CG spacer to move the burner backwards or to design a blast tube tha suites the utilisation (please, contact the manifacturer). a) Heat output in kW b) Lenght of the flame tube in meters c) Flame tube firing intensity in MW/m d) Combustion chamber diameter (m) Fig. -
Page 15: Electrical Connections
C.I.B. UNIGAS - M039135CG 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 16: Power Supply Without Neutral
C.I.B. UNIGAS - M039135CG Power supply without neutral If the burner power supply is 230V three-phase or 230V phase-phase (without a neutral), as fas as the Siemens LME2... control box, the RC Siemens RC466890660 filter must be inserted between terminal 2 and the earth terminal on the board. -
Page 17: Adjusting The Air And Gas Flow Rates
C.I.B. UNIGAS - M039135CG ADJUSTING THE AIR AND GAS FLOW RATES ATTENTION: before starting the burner up, be sure that the manual cutoff valves are open and check that the pres- sure upstream the gas train complies the value quoted on paragraph “Technical specifications”. Be sure that the mains switch is closed. -
Page 18: Plugs For Pressure Measurement
C.I.B. UNIGAS - M039135CG Plugs for pressure measurement To measure the pressure in the combustion chamber, as far as the IDEA series, a pressure plug is provided upstream the burner’s blast tube. Single-stage models Double-stage models Pressure in combustion head - gas rate curves Natural gas Burners NG70 M-.. -
Page 19: Adjusting The Air And Gas Flow Rates
C.I.B. UNIGAS - M039135CG Adjusting the air and gas flow rates ATTENTION: before starting the burner up, be sure that the manual cutoff valves are open and check that the pres- sure upstream the gas train complies the value quoted on paragraph “Technical specifications”. Be sure that the mains switch is closed. -
Page 20: Adjusting The Combustion Head
C.I.B. UNIGAS - M039135CG Adjusting the combustion head The burner is adjusted in the factory with the combustion head in the position that refers to the "MAX" output. The maximum output set- ting refers to the “fully-ahead” position of the combustion head, as far as standard models (Fig. 6), and to “fully-backward” position for low NOx burners (Fig. -
Page 21: Double-Stage Burners
C.I.B. UNIGAS - M039135CG Set to the minimum the pressure regulator by turning adjustment screw B (Fig. 8) anticlockwise . Turn the burner on. Adjust the flame during the startup phase by means of the bypass C (see Fig. 8 n. 10). Turning clockwise the gas flow decreases, turning counterclockwise the gas flow increases. - Page 22 C.I.B. UNIGAS - M039135CG Fig. 12 Fig. 14 Fig. 13 If it was necessary to change the low flame burner output, act on the actuator related cam. Then, check the gas flow rate and repeat from step 7. As for the setting, refer to this correspondence table. On this actuator, the manual control of the air damper is not provided; the setting of the cams is carried out working with a screwdriver on the VS screw placed internally to the cam.
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Page 23: Calibration Of Air And Gas Pressure Switches
C.I.B. UNIGAS - M039135CG 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 happens, unlock the burner by means of the control box unlock pushbutton, placed on the burner control panel. -
Page 24: Part Ii: Operation
C.I.B. UNIGAS - M039135CG 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 25: Part Iii: Maintenance
C.I.B. UNIGAS - M039135CG 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 26: Removing The Combustion Head
C.I.B. UNIGAS - M039135CG Disassembling the burner plate for the fan maintenance To clean/replace the fan, follow the next procedure: remove the burner plate C by unscrewing the V1, V2, V3 screws and the F fixing pin; hang the plate in one of the ways showed on Fig. 20 figure in order to make maintenance operations easier. -
Page 27: Correct Electrodes Positioning
C.I.B. UNIGAS - M039135CG Correct electrodes positioning To guarantee a proper ignition, the measures shown in the following pictures must be observed. Ensure the VE locking screw of the electrodes group is tight before refitting the burner. Standard burner Low NOx burners 2÷3... -
Page 28: Troubleshooting
TROUBLESHOOTING TROUBLE CAUSE MAIN SWITCH OPEN LACK OF GAS MAXIMUM GAS PRESSURE SWITCH DEFECTIVE (IF PROVIDED) THERMOSTATS/PRESSURE SWITCHES DEFECTIVE OVERLOAD TRIPPED INTERVENTION AUXILIARIES FUSE INTERRUPTED CONTROL BOX FAULTY DEFECTIVE SERVOCONTROL (IF PROVIDED) AIR PRESSURE SWITCH FAULT OR BAD SETTING MINIMUM GAS PRESSURE SWITCH DEFECTIVE OR GAS FILTER DIRTY IGNITION TRANSFORMER FAULT IGNITION ELECTRODES BAD POSITION... -
Page 29: Spare Parts
C.I.B. UNIGAS - M039135CG SPARE PARTS Desription Code NG/LG70 NG/LG90 NGX70 COVER 1011805 LGB: 2020443 CONTROL BOX (single-stage regulation) LME: 2020466 LGB: 2020430 CONTROL BOX (double stage, progressive and fully modulating) LME: 2020468 DETECTION ELECTRODE 2080112 IGNITION ELECTRODE 2080268 GASKET... -
Page 30: Burner Exploded View
BURNER EXPLODED VIEW ITEM DESCRIPTION ITEM DESCRIPTION BLAST TUBE FLANGE 7.15.3 BRACKET AIR INTAKE 7.16.1 SPACER FAIRLEAD 7.16.2 BUSH BURNER HOUSING 7.16.3 BRACKET SPACER 7.16.4 ACTUATOR GASKET 7.17.1 TRANSFORMER PLASTIC CAP 7.17.2 BRACKET PLASTIC CAP 7.17.3 JUNCTION BOX BLAST TUBE RUBBER FAIRLEAD FAIRLEAD FLANGE... -
Page 32: Wiring Diagrams
WIRING DIAGRAMS Wiring Diagrams 01-319/5 - 01-324/2 - Complete key Single-stage burners Time counter Flame detection electrode Network side gas solenoid valve (or valves group) Burner side gas solenoid valve (or valves group) Fuse Line switch Phase Flame lockout signalling lamp Borner operation lamp LGB (*) / LMG / LME SIEMENS control box... - Page 35 Wiring Diagrams 18-070/1 - Complete key Double-stage burners Time counter, low flame Time counter, high flame DMG972 SATRONIC monitor box (alternative) Flame detection electrode EV1,2 Gas electro-valves (or valves group) Fuses Main switch LAF1 Burner in high flame indicator light Burner in high flame indicator light Indicator light for burner lock-out LBF1...
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Page 40: Appendix
APPENDIX Status Color code Color SIEMENS LME11/21/22 CONTROL BOX Undervoltage Yellow - red The series of equipment LME.. is used for the starup and supervisione of 1- or 2- stage gas burners. The series LME..is interchangeable with the Fault, alarm ........ - Page 41 LME11 control sequence LME22 control sequence B´ B´ SB / R W / GP SB / R W / GP (LR) BV2 7101d02/0606 LME21 control sequence B´ SB / R W / GP Control sequence Waiting time Purge time TSA Ignition safety time Preignition time Postignition time (LR) BV2...
- Page 42 LME11 connection diagram Connection diagram Error message (alarm) Fuel valve C control RESET EK2 Remote lockout reset button Flame signal Gas pressure switch Air pressure switch Load controller K2/1 K2/2 Fan motor Control thermostat/pressurestat R / W Safety limit thermostat Limit thermostat /pressure switch Ignition transformer 7101 24 /0606...
- Page 43 CONTROL PROGRAM IN THE EVENT OF FAULT In the event of lockout, the LME.. remains locked and the red signal lamp (LED) will light up.The burner control can immediately be reset. This state If a fault occurs, all outputs will immediately be deactivated (in less is also mantained in the case fo mains failure.
- 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 and data subject to change. Errors and omissions excepted.
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