Unigas G10 Manual Of Installation - Use - Maintenance Download

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MANUAL OF INSTALLATION - USE - MAINTENANCE

G6 - G10 - G18

24 Vdc voltage supplied

single stage burners

M039223CC Rel. 2.2 09/2012

BURNERS - BRUCIATORI - BRULERS - BRENNER - QUEMADORES -

ГОРЕЛКИ

Summary of Contents for G10

Page 1: ...MANUAL OF INSTALLATION USE MAINTENANCE G6 G10 G18 24 Vdc voltage supplied single stage burners M039223CC Rel 2 2 09 2012 BURNERS BRUCIATORI BRULERS BRENNER QUEMADORES ГОРЕЛКИ ...

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Page 3: ...s electricity gas oil or other fuel Observe caution with hot burner components These are usually near to the flame and the fuel pre heating system they become hot during the unit operation and will remain hot for some time after the burner has stopped When the decision is made to discontinue the use of the burner the user shall have qualified personnel carry out the following operations a Remove t...

Page 4: ...c or explosive mixtures DIRECTIVES AND STANDARDS Gas burners European directives Directive 2009 142 EC Gas Appliances Directive 2006 95 EC on low voltage Directive 2004 108 EC on electromagnetic compatibility Harmonised standards 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 applian...

Page 5: ...cept for some models for which a separate regulating valve is provided Other pumps are provided with two pressure regulators one for the high and one for low pressure in double stage systems with one nozzle The adjustable combustion head can improve the burner performance The combustion head determines the energetic quality and the geometry of the flame Fuel and comburent are routed into separated...

Page 6: ...he boiler manufacturer In absence of these consider the fol lowing Cast iron boilers three pass flue boilers with the first pass in the rear part the blast tube must protrude no more than 100 mm into the combustion chamber Pressurised boilers with flame reversal in this case the blast tube must penetrate at least 50 100 mm into combustion chamber in respect to the tube bundle plate The length of t...

Page 7: ...URNER TYPE G6 G10 G18 2 FUEL G Light oil 3 OPERATION TN Single stage 4 BLAST TUBEBLAST TUBE S Standard L Extended 5 DESTINATION COUNTRY see data plate 6 BURNER VERSION Y Special version 24Vdc power supply BURNER TYPE G6 G10 G18 Output min max kW 29 70 58 116 105 209 Fuel Light oil Light oil rate min max kg h 2 5 6 5 10 9 18 Light oil viscosity cSt 40 C 2 7 4 Light oil density kg m3 0 84 Power supp...

Page 8: ...a ched setting the combustion head to its MIN position During the first ignition the combustion head is set in order to find a compromise between the burner output and the generator specifications that is why the minimum output may be different from the Per formance curve minimum Burner flange and boiler recommended drilling tem plate AS AL AD B BL C CL D E F G H II K L M N O O P T min Z W min max...

Page 9: ...g door of the combustion chamber as described on paragraph Overall dimensions 2 place the burner to the boiler lift it up and handle it according to the procedure described on paragraph Handling the burner 3 place the 4 stud bolts 5 on boiler s door according to the burner drilling template described on paragraph Overall dimensions 4 fasten the 4 stud bolts 5 place the gasket on the burner flange ...

Page 10: ...ere gravity or ring feed systems are provided install an automatic interception device see n 4 Fig 7 Fig 4 Gravity circuit Fig 5 Ring circuit Fig 6 Suction circuit Key 1 Manual valve 2 Light oil filter 3 Light oil feeding pump 4 One way valve 5 Flexible hoses 6 Relief valve ...

Page 11: ...the case of gravity feed as decribed before To change from a 1 pipe system to a 2 pipe system insert the by pass plug G as for ccw rotation referring to the pump shaft Caution Changing the direction of rotation all connections on top and side are reversed To convert an A AD pump from two pipe to one pipe operation proceed as follows 1 remove the 1 8 plug from the vaccum port 2 using a 2 5 mm Allen...

Page 12: ...een for a considerable length of time for example when there is a long suction line to bleed To avoid damages inject some lubrication oil into the vacuum inlet Care must be taken when installing the pump not to force the pump shaft along its axis or laterally to avoid excessive wear on the joint noise and overloading the gears Pipes should not contain air pockets Rapid attachment joint should ther...

Page 13: ...he 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 Oil viscosity 1 2 12 mm s cSt Oil temperature 60 C max Maximum inlet pressure 2 bar Maximum Return pressure 2 bar Minimum inlet pressure 0 5 bar to avoid gasing Maximum speed 3500 rpm Oil visco...

Page 14: ... the cover 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 ATTENTION 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 Read carefu...

Page 15: ...stion air excess must be adjusted according to the in the following chart Recommended combustion parameters Fuel Recommended CO2 Recommended O2 Light oil 11 5 13 2 9 4 9 Keys EV1 Light oil solenoid valve M Pressure gauge P Pump Pump pressure 12 bar factory set Fig 9 nozzle Size PUMP PRESSURE bar 8 9 10 11 12 13 14 15 16 17 18 GPH Flow rate kg h 0 40 1 36 1 44 1 52 1 59 1 66 1 73 1 80 1 86 1 92 1 9...

Page 16: ...Fig 10 and light it up 5 bleed the air from the M pressure gauge port of the pump P slightly loosing the cao and without removing it Fig 10 Caution The nozzle flow rate at 12bar must be higher than the flow rate referred to the burner minimum output Fig 11 6 Turn the burner off 7 replace the detection probe into its slot 8 reconnect the B coil on the pump Fig 8 9 turn the burner on if it locks out...

Page 17: ...sting the combsution head Turn VRTclockwise or counterclockwise according to the output to gain minimum or maximum If the combustion head is to be replaced the position on Fig 16 Tab 2 must be observed according to the nozzle end Attention change the head position only if necessary If it is necessary to change the head position repeat the air and gas adjustments as described above Fig 14 Fig 15 VB...

Page 18: ...PERATION ALSO FUNCTIONS AS AN EMERGENCY SWITCH AND ON THE RESET BUTTON IN CASE OF A BURNER SHUT DOWN RESET THE CONTROL BOX BY MEANS OF THE RESET PUSHBUTTON IF A SECOND SHUT DOWN TAKES PLACE CALL THE TECHNICAL SERVICE WITHOUT TRYING TO RESET FURTHER WARNING DURING NORMAL OPERATION THE PARTS OF THE BURNER NEAREST TO THE GENERATOR COUPLING FLANGE CAN BECOME VERY HOT AVOID TOUCHING THEM SO AS NOT TO G...

Page 19: ...d rotating parts Removing the combustion head 1 Remove the burner cover by unscrewing the fixing screws 2 Remove the FR detection probe from its slot disconnect the electrodes cables and remove the light oil pipe 3 Unscrew the four screws that fasten the head ass y Unscrew the screws that fasten the gas manifold C 4 The operator must pull the burner towards him her self to take the combustion head...

Page 20: ... dry and clean cloth 5 if necessary replace the photoresistor 6 replace the photoresistor into its slot 7 Checking the detection current Before turning the burner on or in case of maintenance check the flame signal while the burner is operating measure by means of a multimeter the voltage betwenn terminal 9 and the neutral The voltage measured must be lower than 0 5Vdc as shown on picture below Th...

Page 21: ...am SE01 555 BURNER DOES NOT START UP REPETITION OF PRE PURGING NOISY LIGHT OIL PUMP BUNRER DOES NOT START UP AND LOCKS OUT BUNRER STARTS UP AND LOCKS OUT BUNRER LOCKS OUT DURING OPERATION BUNRER LOCKS OUT AND REPEAT THE CYCLE DURING OPERATION MAIN SWITCH OPEN LINE FUSES INTERRUPTED MAX TEMPERATURE THERMOSTAT FAULTY FAN MOTOR THERMAL CUTOUT INTERVENTION AUXILIARY FUSE INTERRUPTED CONTROL BOX FAULT ...

Page 22: ...AMPER 12 3 PLATE 12 4 BASE 12 5 BASE 12 6 GASKET 12 7 COUPLING 12 8 BRACKET 12 9 BRACKET 12 10 HEAD ADJUSTING SCREW 12 11 INDEX LABEL 12 12 INDEX 12 13 FAIRLEAD 12 14 NUT 12 15 BURNER HOUSING 12 16 MOTOR 12 17 MOTOR SUPPORT PLATE 12 18 PHOTORESISTOR 12 19 1 BRACKET 12 19 2 IGNITION TRANSFORMER 12 19 3 CONTROL BOX 12 19 4 24V DC RELAY 12 19 5 CONTROL BOX SOCKET 12 20 PUMP 12 21 FLANGE 13 IGNITION C...

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Page 24: ...ition transformer and goes to run ning position At the end of safety time in the double stage controllers the ignition transformer is de energized and contemporaneously the output of the second oil valve is energized If no flame is detected within safety time at the end of the same the controller proceeds to lockout and so the valve ignition transformer and motor are de energized and the lockout s...

Page 25: ...umption 220V 50Hz 6 5 VA 12V 24V 1VA Internal fuse For 220V and 110V supply voltage 6 3 A time delay For 24V and 12V supply voltage 10 A time delay Externsl fuse For 220V and 110V supply voltage 4 A fast blow For 24V and 12V supply voltage 10 A fast blow Weight including connection base about 240 g Max contacts rating 220V Imax Thermostat 6 0 A cos 0 4 Motor 2 0 A cos 0 4 Ignition transformer 2 0 ...

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Page 28: ...and data subject to change Errors and omissions excepted 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 ...

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