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C.I.B. UNIGAS - M039196CC

TROUBLESHOOTING

CAUSES/TROUBLES

DOES NOT STAR

CONTIN

UES PRE-

PURGUE

BURN

ER STARTS

UP WITH COLD OIL

DOES NOT

IGNITE

AND GOES TO

SHUT

DOWN

ES NOT PA

HIG

H FLAME

GOES

SHUT

DOWN

DURING

OPERATION

GOES

AND

REPEATS THE

CLE DURIN

OPERATION

MAIN SWITCH OFF

LINE FUSES BLOWN

MAXIMUM THERMOSTAT MALFUNCTION

FAN THERMAL CUTOUT TRIPPED

AUXILIARY FUSE BLOWN

OIL RESISTOR FAULTY

OIL ENABLING THERMOSTAT TRIPPED

CONTROL UNIT MALFUNCTION

AIR SERVOCONTROL MALFUNCTION

CIRCUIT ENABLING THERMOSTAT

SMOKY FLAME

IGNITION TRANSFORMER FAULTY

IGNITION ELECTRODES WRONGLY POSITIONED

DIRTY NOZZLE

FAULTY OIL VALVE

FAULTY OR DIRTY PHOTORESISTOR

FAULTY RESISTOR THERMOSTAT

FAULTY HIGH-LOW FLAME THERMOSTAT

ACTUATOR CAM NOT CALIBRATED

LOW OIL PRESSURE

Содержание PN91

Страница 1: ...MANUAL OF INSTALLATION USE MAINTENANCE PN91 PN92 PN93 PN510 PN515 PN520 PN525 M039196CC Rel 2 2 05 2010 BURNERS BRUCIATORI BRULERS BRENNER QUEMADORES Progressive Fully modulating Heavy oil Burners...

Страница 2: ...g oil ring 14 Burner adjustments 14 HYDRAULIC DIAGRAMS 18 Adjusting light oil flow rate 21 Oil thermostat adjustment 22 Thermostat adjustment for petroleum burners 22 ADJUSTING AIR AND FUEL RATE 23 Ad...

Страница 3: ...ins electricity gas oil or other fuel z 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 wil...

Страница 4: ...of toxic 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 electromagneti...

Страница 5: ...eavy oil viscosity 110cSt 15 E 50 C D Heavy oil viscosity 400cSt 50 E 50 C P Petroleum viscosity 89cSt 12 E 50 C 3 OPERATION Available versions PR Progressive MD Fully modulating 4 BLAST TUBE S Standa...

Страница 6: ...326 6977 2000 8000 Fuel Heavy oil Oil viscosity See Burner model identification table Heavy oil rate min max kg h 117 352 145 435 207 622 178 713 Power supply 230 400V 3N a c 50Hz 400V 3N a c 50Hz Tot...

Страница 7: ...sition 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 fro...

Страница 8: ...inserted into the A anb B ways Remove the stirrup only once the burner is installed to the boiler Type A B BL C CL D E F G K H M P Y PN91 1017 298 488 1315 1505 532 520 1052 262 464 292 M12 295 228 PN...

Страница 9: ...n the 4 stud bolts 5 place the gasket on the burner flange 6 install the burner into the boiler 7 fix the burner to the stud bolts by means of the fixing nuts according to the next picture 8 After fit...

Страница 10: ...s main switch is in 0 position OFF too Read carefully the chapter WARNINGS and the Electrical connections section WARNING The burner is provided with an electrical bridge between terminals 6 and 7 wh...

Страница 11: ...used besides another pipe that connects the pum s return port to the tank as well The excess of oil goes back to the tank this installation can be considered self ble eding If provided the inside by p...

Страница 12: ...on line to bleed To avoid damages inject some lubrication oil into the vacuum inlet z Care must be taken when installing the pump not to force the pump shaft along its axis or laterally to avoid exces...

Страница 13: ...pressurised The pressurisation is also necessary to feed the burner pump avoiding its cavitation because of the high suction at the inlet The supplying system scope is to pump and heat oil The oil vis...

Страница 14: ...the supplying oil ring According to the heavy oil viscosity used in the table below indicative temperature and pressure values to be set are shown Note the temperature and pressure range allowed by t...

Страница 15: ...1 4 48 150 19 3 128 14 48 43 2 5 92 200 23 5 170 18 9 54 7 35 250 28 212 23 45 65 8 79 300 32 5 254 28 87 6 11 7 400 41 9 338 37 1 110 14 6 500 51 6 423 46 2 132 17 5 600 61 4 508 55 4 154 20 45 700 7...

Страница 16: ...30 40 50 60 70 80 90 100 110 120 130 140 150 160 TEMPERATURE C VISCOSITY E LIGHT OIL 1 3 E AT 20 C HEAVY OIL 2 4 E AT 50 C HEAVY OIL 4 E AT 50 C HEAVY OIL 7 5 E AT 50 C HEAVY OIL 10 E AT 50 C HEAVY O...

Страница 17: ...tomising temperature should be between 145 C and 160 C see diagram OIL TEMPERATURE FOR PUMP FEEDING 1 10 100 0 10 20 30 40 50 60 70 80 90 TEMPERATURE C VISCOSITY E a 50 C Fig 10 PUMP FEEDING PRESSURE...

Страница 18: ...C I B UNIGAS M039196CC 18 HYDRAULIC DIAGRAMS Fig 13 Hydraulic diagram 3ID0023 Single burner configuration...

Страница 19: ...C I B UNIGAS M039196CC 19 Fig 14 Hydraulic diagram 3ID0014 Two or more burners configuration...

Страница 20: ...for main tank pre heating 19 48 Water pre heating balance setting valve 50 Oil circulation pump 52 Oil ring max pressure switch Hydraulic Diagram 3ID0023 1 Main tank 2 Bottom valve 3 Main tank pre hea...

Страница 21: ...NOZZLE DELIVERY PRESSURE bar RETURN PRESSURE MAX bar RETURN PRESSURE MIN bar FLUIDICS WR2 25 19 20 7 9 recommended Tab 4 Fig 15 Atomisation angle according to the return pressure _________ Flow rate...

Страница 22: ...C This thermostat trips when the operating temperature exceeds the set limit Ascertain the cause of the malfunction and reset the ther mostat by means of the PR button see picture CAUTION even if the...

Страница 23: ...asing too much or the flues temperature getting too low to cause condensation in the chimney Now adjust the burner according to the actuator model provided ATTENTION before starting the burner up be s...

Страница 24: ...he RESET button C on the control panel see chapter OPERATION 5 Start the burner up by means of the thermostat series and wait unitl the pre purge phase comes to end and that burner starts up 6 drive t...

Страница 25: ...he adjustment is accomplished Attention if it is necessary to change the head position repeat the air and gas adjustments described above 11 as for the point to point regulation in order to set the ca...

Страница 26: ...ol panel press the RESET button C see chapter OPERATION 5 Start the burner up by means of the thermostat series and wait until the pre purge phase comes to end and that burner starts up 6 the burner s...

Страница 27: ...B screw and move pro gressively back the combustion head towards the MIN position by turning clockwise the VRT ring nut Fasten VB screw when the adjustment is accomplished Attention if it is necessary...

Страница 28: ...p the burner z During the pre purge phase o the operation turn slowly the adjusting ring nut VR in the clockwise direction until the burner lockout then read the value on the pressure switch scale and...

Страница 29: ...ack 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 The fuel amount to be burnt...

Страница 30: ...T 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 GET BURNT OPERATION N B be sure the cuto...

Страница 31: ...High flame 2 Low flame 3 Automatic D Fan motor thermal cutout intervention E Burner lockout F Burner in stand by IRA Auxiliary resistors wsitch L Heavy oil solenoid lamp operation N Contrlol box reset...

Страница 32: ...ssary see page 34 z Examine the detection current see page 34 z Remove and clean page 34 the heavy oil nozzle Important use solvents for cleaning not metallic tools and at the end of the maintenance p...

Страница 33: ...emove them place the new electrodes being careful to observe the measures shown on next paragraph reassemlbe following the reversed procedure Caution adjust the nozzle position by means of the VU scre...

Страница 34: ...photoresistor if necessary PN91 PN92 PN93 LMO44 PN510 PN515 PN520 PN525 LAL2 Cleaning and replacing the detection photoresistor When cleaning the photoresistive detector always use a clean cloth If ne...

Страница 35: ...XIMUM THERMOSTAT MALFUNCTION z FAN THERMAL CUTOUT TRIPPED z AUXILIARY FUSE BLOWN z OIL RESISTOR FAULTY z z OIL ENABLING THERMOSTAT TRIPPED z z CONTROL UNIT MALFUNCTION z z z z z z AIR SERVOCONTROL MAL...

Страница 36: ...1 1 LONG IGNITION ELECTRODE 6 7 CONNECTOR 9 1 FAIRLEAD 3 1 2 LONG IGNITION ELECTRODE 7 1 UNION ELBOW 9 2 FAIRLEAD 3 1 3 COMBUSTION HEAD 7 2 STRAIGHT UNION 10 AIR INLET CONE 3 1 4 IGNITION CABLE 7 3 U...

Страница 37: ...C I B UNIGAS M039196CC 37...

Страница 38: ...SQM40 24800A5 24800A5 24800A5 PHOTORESISTOR SIEMENS 2510003 2510003 2510003 COUPLING 2540121 2540121 2540134 RESISTOR THERMOSTATTR TCN TCI 2560026 2560026 2560026 THERMOSTAT TRS 2560028 2560028 25600...

Страница 39: ...88 2340088 2340088 OIL GUN HOSES 2340089 2340089 2340089 2340089 ADJUSTING CAM FOIL 2440013 2440013 2440013 2440013 ACTUATOR mod SIEMENS SQL 2480007 2480007 2480007 2480007 ACTUATOR mod BERGER STM30 2...

Страница 40: ...d for activating deactivating the diagnostic functions The multicolour LED is the key indicating element for both visual diagnosis and interface diagnosis s Red l Yellow o Green Key m Off l Yellow o G...

Страница 41: ...black R Control thermostat or pressurestat SB Safety limit thermostat Si External primary fuse W Limit thermostat or pressure switch Z Ignition transformer t4 Interval from flame signal to release BV2...

Страница 42: ...for the oil preheater s temperature z Normally closed contact of the air pressure switch must be closed Startup sequence Start command by R R closes the start control loop between terminals 4 and 5 z...

Страница 43: ...damper to the nominal load or low fire position depending on heat demand the release of the nominal load takes place via auxiliary switch v in the actuator and in the event of loss of flame during op...

Страница 44: ...terminal 7 start delay time for M2 t8 Duration of startup sequence excluding t11 and t12 t10 Interval from startup to the beginning of the air pressure check t11 Air damper running time to the OPEN p...

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Страница 48: ...subject to change without notice 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...

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