Unigas HR75A Series Manual Of Installation - Use - Maintenance Download Page 15 | Manualshive

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PART II: INSTALLATION

15

The burner is designed to work positioned according to the picture below. For different installations, please contact the Technical
Department.

Keys

1

Burner

2

Fixing nut

3

Washer

4

Ceramic fibre plait

5

Stud bolt

7

Blast tube

SIDE UP

SIDE

DOWN

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Summary of Contents for HR75A Series

Page 1: ...M039315CA Rel 0 3 07 2015 BURNERS BRUCIATORI BRULERS BRENNER QUEMADORES LMV2x Microprocessor controlled Gas light oil burners MANUAL OF INSTALLATION USE MAINTENANCE HR75A...

Page 2: ...CTIONS FOR BURNERS z The burner should be installed in a suitable room with ventilation openings complying with the requirements of the regulations in force and sufficient for good combustion z Only b...

Page 3: ...evelopment of toxic or explosive mixtures DIRECTIVES AND STANDARDS Gas burners European directives 2009 142 EC Gas Directive 2006 95 CEC Low Tension Directive 2004 108 EC Electromagnetic compatibility...

Page 4: ...ments for house hold appliances electric tools and similar apparatus EN 746 2 Industrial thermoprocessing equipment Part 2 Safety requi rements for combustion and fuel handling systems EN 50165 Electr...

Page 5: ...passing through the nozzle The pump main function is to transfer oil from the tank to the nozzle in the desired quantity and pressure To adjust this pressure pumps are provided with a pressure regula...

Page 6: ...ax kW 320 2050 Fuel Natural gas Light oil L P G Light oil Category see next paragraph I3B P Gas rate min max Stm3 h 34 217 11 9 77 Gas pressure see Note 2 Power supply 400V 3N 50Hz Total power consump...

Page 7: ...Country and usefulness gas categories 1 4 Fuel GAS CATEGORY COUNTRY I2H AT ES GR SE FI IE HU IS NO CZ DK GB IT PT CY EE LV SI MT SK BG LT RO TR CH I2E LU PL I2E R B BE I2L NL I2ELL DE I2Er FR WARNING...

Page 8: ...10 216 250 233 465 127 338 525 608 210 155 1 65 1253 69 550 435 28 305 503 374 750 352 1051 690 361 254 270 282 300 453 M10 216 250 233 535 127 408 565 608 210 155 1 80 1253 69 550 435 28 305 503 374...

Page 9: ...1 Filter 2 Flexible hose 3 Pump and pressure governor 4 Electrical motor 6 Solenoid valve 6 1 Solenoid valve 10 Oil distributor 12 Pressure gauge 13 Pressure governor 15 Pressure switch 16 One way va...

Page 10: ...raph Adjusting the combustion head the minimum output point is rea ched setting the combustion head to its MIN position During the first ignition the combustion head is set in order to find a compromi...

Page 11: ...know the minimum pressure at the gas train inlet necessary to get the requested gas rate add the pressure value in the combustion chamber to the value read on the y axis GAS PRESSURE IN THE NETWORK mb...

Page 12: ...the combustion chamber 3 Gas pressure outlet on the butterfly valve 4 Differential pressure gauge 1 12 Measuring the gas pressure in the combustion head In order to measure the pressure in the combust...

Page 13: ...1 14 Pressure rate in combustion head curves LPG Curves are referred to pressure 0 mbar in the combustion chamber Gas pressure in combustion head mbar HR75A M Stm3 h Curves are referred to pressure 0m...

Page 14: ...g to the next picture 8 After fitting the burner to the boiler ensure that the gap between the blast tube and the refractory lining is sealed with appropriate insulating material ceramic fibre cord or...

Page 15: ...r is designed to work positioned according to the picture below For different installations please contact the Technical Department Keys 1 Burner 2 Fixing nut 3 Washer 4 Ceramic fibre plait 5 Stud bol...

Page 16: ...lenght follow the instructions of the boiler manufacturer In absence of these consider the following z Cast iron boilers three pass flue boilers with the first pass in the rear part the blast tube mus...

Page 17: ...langed gas trains with Siemens VGD40 3 2 MULTIBLOC DUNGS MB DLE 415 420 Mounting 1 Loosen screws A and B do not unscrew Fig 6 Fig 7 2 unscrew screws C and D Fig 6 Fig 7 3 Remove MultiBloc between the...

Page 18: ...e certain that the O rings and gaskets between the flanges and the double gas valve are fitted z Connect the reference gas pipe TP in figure 8mm external size pipe supplied loose to the gas pressure n...

Page 19: ...ches 3 5 Gas Filter if provided The gas filters remove the dust particles that are present in the gas and prevent the elements at risk e g burner valves counters and regulators from becoming rapidly b...

Page 20: ...ing circuits NOTE in plants where gravity or ring feed systems are provided install an automatic interception device Fig 15 Gravity circuit Fig 16 Ring circuit Fig 17 Suction circuit Key 1 Manual valv...

Page 21: ...connections on top and side are reversed 4 3 About the use of fuel pumps z Do not use fuel with additives to avoid the possible formation over time of compounds which may deposit between the gear tee...

Page 22: ...anometer 2 suction M2 G1 4 3 Connection for manometer 3 M3 A Suction connection G1 2 D Direct clockwise I Indirect counter clockwise R By pass connection G1 2 S Delivery connection G1 2 VR After remov...

Page 23: ...PART II INSTALLATION 23 on the pump For further information refer to the technical documentation of the pump Suntec E Suntec TA HP Technik UHE A R A R A R A...

Page 24: ...terminal X3 04 4 in case of LMV2x LMV3x LMV5x LME7x on the board and the earth terminal an RC Siemens RC466890660 filter must be inserted For LMV5 control box please refer to the clabeling recommenda...

Page 25: ...ER OPEN OR DISMANTLE ANY COMPONENT OF THE MACHINE EXCEPT FOR ITS MAINTENANCE TO SECURE THE MACHINE ACT ON THE ISOLATOR SWITCH IN CASE OF ANOMALIES THAT REQUIRED A SHUT DOWN OF THE BURNER IT S POSSIBLE...

Page 26: ...on fully modulating burners Operation selector MAN AUTO operation in manual or automatic mode MIN operation with minimum output 0 Stop MAX operation at the maximum output S4 Fuel selection O1 EVG1 sol...

Page 27: ...put increasing too much or that the flues temperature gets too low to cause condensation in the chimney 5 4 User interface The AZL2x display is shown below The keys functions are the following WARNING...

Page 28: ...Serivce during the curve adjustments Key Used to increase a a value Used to enter Info and Serivce during the curve adjustments Keys ESC By pressing and at the same time the ESCAPE function is perfome...

Page 29: ...asformatore accen sione ON TSA1 1st safety time ignition transformer ON Ph42 TSA1 primo tempo sicurezza trasformatore accen sione OFF TSA1 1st safety time ignition transformer OFF t42 preignition time...

Page 30: ...splay will show InFo Press the enter InFo key 3 then il will show the first code 167 flashing on the right side it will show the data entered By pressing or it is possible to scroll up or down the par...

Page 31: ...or by pressing ESC or InFo for more seconds the display will show 9 Once the last parameter is accessed 143 by pressing the End message will flash 10 Press InFo for more than three seconds or for mor...

Page 32: ...the reset press InFo for one second The unit displays an event which does not lead to shutdown The display shows current error code c alternating with diagnostic code d Press InFo to return to the dis...

Page 33: ...43 by pressing the End message will blink 3 Press InFo for more than three seconds or for more than three seconds orto return to the normal display For further nformation see tha LMV2 related manual P...

Page 34: ...RP regulator after slackening the locking screw VB by a number of turns By unscrewing the regulator RP the valve opens screwing the valve closes To set the fast opening remove cover T reverse it upsid...

Page 35: ...rectly z Clockwise turn the pressure switch adjusting ring nut as to increase the pressure value until the burner stops z Slowly fully open the manual cutoff valve z Refit the transparent plastic cove...

Page 36: ...Siemens LDU LME7x burner control Siemens LMV Bur ner Management System z remove the pressure switch plastic cover z adjust the PGCP pressure switch to the same value set for the minimum gas pressure...

Page 37: ...ich the burner is designed z For natural gas burners plate holes are fully opened 6 12 HR75A L Center head holes gas flow regulation To adjust the gas flow partially close the holes as follows 1 loose...

Page 38: ...0 12 8 4 5 9 2 9 4 10 0 11 0 11 9 12 9 14 3 15 3 17 2 24 5 24 8 14 1 5 0 10 8 11 0 11 3 11 6 13 0 14 3 15 6 17 0 18 6 24 3 26 2 13 4 5 5 9 7 10 0 10 2 11 1 12 1 13 4 14 8 16 4 18 1 29 7 12 4 6 0 9 2...

Page 39: ...t the return pressure at 11bar supply at 20bar on the delivery to get a 220kg h flow rate If the return pressure needed is 5bar instead act on the V adjusting screw on the pressure governor see chapte...

Page 40: ...s provided set the return pressure at 13bar supply at 20bar on the delivery to get a 110kg h flow rate If the return pressure needed is 5bar instead act on the adjusting screw on the pressure gover no...

Page 41: ...PART III OPERATION 41 Fig 25...

Page 42: ...changing the air flow rate set during the gas operation adjustments see previous paragraph checking always the combustion parameters Turn the burner off then start it up again If the adjustment is no...

Page 43: ...Clean and grease joints and rotating parts IMPORTANT Remove the combustion head before checking the ignition electrode z Remove and clean the compressed air regulator z Remove and clean the oil regula...

Page 44: ...fference between pressure connection 1 and 2 Fig 28 Fig 29 is twice as high compared to the last check You can change the filter without removing the fitting 1 Interrupt the gas supply closing the on...

Page 45: ...e gas valve group proceed as follows 1 Carefully twist the protection cap 1 and the O ring 2 2 remove the set value spring 3 from housing 4 3 Replace spring 3 4 Carefully insert the new set value spri...

Page 46: ...and replacing the detection photocell To clean replace the detection photocell proceed as follows 1 Disconnect the system from the electrical power supply 2 Shut off the fuel supply 3 remove the phot...

Page 47: ...e electrode or the detector 8 10 Seasonal stop To stop the burner in the seasonal stop proceed as follows 1 turn the burner main switch to 0 Off position 2 disconnect the power mains 3 close the fuel...

Page 48: ...MAINTENANCE 48 9 0 WIRING DIAGRAMS Refer to the attached wiring diagrams WARNING 1 Electrical supply 230V 50Hz 1 a c 400V 50Hz 3N a c 2 Do not reverse phase with neutral 3 Ensure burner is properly e...

Page 49: ...AIN SWITCH OPEN z LACK OF GAS z z MAXIMUM GAS PRESSURE SWITCH DEFECTIVE IF PROVIDED z z THERMOSTATS PRESSURE SWITCHES DEFECTIVE z z z FAN MOTOR THERMAL CUTOUT INTERVENTION z OVERLOAD TRIPPED INTERVENT...

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Page 52: ...ia 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 a...

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