Related Manuals for Unigas C85A
Summary of Contents for Unigas C85A
- Page 1 C85A - C120A Gas burners MANUAL OF INSTALLATION - USE - MAINTENANCE BURNERS - BRUCIATORI - BRULERS - BRENNER - QUEMADORES - ГОРЕЛКИ M039439CC Rel 0,3 10/2021...
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Page 2: General Introduction
DANGERS, WARNINGS AND NOTES OF CAUTION 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 PRODUCT INSTALLATION AND MAINTENANCE. -
Page 3: Directives And Standards
3b) FIRING WITH GAS, LIGHT OIL OR OTHER FUELS DIRECTIVES AND STANDARDS Gas burners GENERAL European directives The burner shall be installed by qualified personnel and in compliance -Regulation 2016/426/UE (appliances burning gaseous fuels) with regulations and provisions in force; wrong installation can cause -2014/35/UE (Low Tension Directive) injuries to people and animals, or damage to property, for which the -2014/30/UE (Electromagnetic compatibility Directive) -
Page 4: Symbols Used
Burner data plate Type Gas - Light oil burners For the following information, please refer to Model Year European Directives the data plate: S.Number -Regulation 2016/426/UE (appliances burning gaseous fuels) burner type and burner model: must be Output Oil Flow -2014/35/UE (Low Tension Directive) reported in any communication with the Fuel... - Page 5 PART I: SPECIFICATIONS PART I: SPECIFICATIONS BURNERS FEATURES Burner with ABS polymer (silenced) air inlet Burner with aluminium air inlet Fig. 1 Note: the figure is indicative only. Control panel with startup switch Gas valves group Electrical panel Flange Blast tube - Combustion head Air pressure switch Adjusting cam (progressive/fully modulating burners only) Actuator...
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Page 6: Burner Model Identification
PART I: SPECIFICATIONS Burner model identification Burners are identified by burner type and model. Burner model identification is described as follows. Type Model C85A BURNER TYPE C85AC120A M - Natural gas FUEL B - Biogas L - LPG PR - Progressive... -
Page 7: Technical Specifications
PART I: SPECIFICATIONS Technical Specifications BURNER TYPE C85A C120A C85A C120A 230 - 850 300 - 1200 230 - 850 300 - 1200 Output min. - max. kW Natural gas L.P.G. Fuel see next paragraph Category 3B/P 24 - 90... - Page 8 Overall dimensions (mm) AB.. C85A C120A Burner flange Boiler recommended drilling tem- V (**) C85A AB.. 1052 1142 C120A AB.. 1112 1222 BS = standard blast tube BL = long blast tube DN = gas valves size (**) According to the gas train size and the burner type, MB-DLE or VGD valves are supplied. The "V" measure, refers to the gas filter, for burners provided with Siemens...
- Page 9 Overall dimensions (mm) - Burner with aluminium air inlet PR/MD.. C85A C120A Burner flange Boiler recommended drilling tem- (**) According to the gas train size and the burner type, MB-DLE or VGD valves are supplied. The "V" measure, refers to the gas filter, for burners provided with Siemens VGD valves.
- Page 10 Overall dimensions (mm) PR/MD.. Burner with ABS polymer (silenced) air inlet C85A C120A Burner flange Boiler recommended drilling tem- BS = standard blast tube BL = long blast tube DN = gas valves size V (**) PR/MD...0.32 PR/MD...1.32 1067 PR/MD...0.40 PR/MD...1.40...
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Page 11: Performance Curves
Data are referred to standard conditions: atmospheric pressure at 1013 mbar, ambient temperature at 15° C. Performance Curves C85A M- C120A M- C120A L- 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 NOTE: The performance curve is a diagram that represents the burner performance in the type approval phase or in the laboratory tests, but does not represent the regulation range of the machine. - Page 12 Potenza / Output (kW) Pressure in the Network / gas flow rate curves Natural Gas burners C85A M-.. C120A M-.. C120A L-.. ATTENTION: the gas rate value is quoted on the x-axis, the related network pressure is quoted on the y-axis (pressure value in the combustion chamber is not included).
- Page 13 PART I: SPECIFICATIONS Combustion head gas pressure curves depending on the flow rate 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 14 PART I: SPECIFICATIONS Pressure - rate in combustion head curves Curves are referred to pressure = 0mbar in the combustion chamber! C85A M-.. C120A M-.. C120A L-..
- Page 15 PART II: INSTALLATION PART II: INSTALLATION MOUNTING AND CONNECTING THE BURNER Transport and storage ATTENTION! The equipment must be installed in compliance with the regulations in force, following the manufac- turer’s instructions, by qualified personnel. All handling operations must be carried out with appropriate resources and qualified personnel ATTENTION: Use intact and correctly dimensioned hoisting equipment, conforms to the local regulations and health and safety regulations.
- Page 16 PART II: INSTALLATION 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”; place the 4 stud bolts (5) on boiler’s door, according to the burner drilling template described on paragraph “Overall dimensions”;...
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Page 17: Gas Inlet
PART II: INSTALLATION GAS TRAIN CONNECTIONS The diagrams show the components of the gas trai included in the delivery and which must be fitted by the installer.The diagrams are in compliance with the current laws. Procedure to install the double gas valve unit: - two (2) gas flanges are required;... -
Page 18: Assembling The Gas Train
PART II: INSTALLATION MultiBloc MB-DLE - Assembling the gas train Note: the figure is indicative only ”direction” arrows for gas supply network installation Keys Gasket Gas filter Gas valves group Bellows unit Manual valve MULTIBLOC DUNGS Mounting Mount flange onto tube lines: use appropriate sealing agent MB-DLE 405..412 Insert MB-DLE: note position of O rings MB-DLE 415..420... - Page 19 PART II: INSTALLATION MultiBloc MBE ALLA V. FARFALLA Example of gas train MBE 501939 GAS BRUCIATORE ø185 VD-R VD-V VD-R VD-V Gas filter PGMAX PGMAX PGMI PGMIN PS pressure sensor PGCP PGCP ATTENTION: once the gas train is mounted according, the gas proving test mus be performed, according to the procedure set by the laws in force.
- Page 20 PART II: INSTALLATION Mounting VD-R & PS-... ActuatorVD-V ActuatorVD-R M12 x 5 Pin The actuator VD-V does not need any adjustment (funzione ON-OFF) The actuator VD-R It must be combined with the PS sensor (include regolatore di pressione) VD-R + PS 1.
- Page 21 PART II: INSTALLATION SIEMENS VGD.. SKP1. SKP2. Mounting positions = BS PGMAX PGCP PGMIN Siemens VGD... con SKPx Example of gas train Gas filter version with SKP2 (built-in pressure stabilizer) Siemens VGD valves with SKP actuator: The pressure adjusting range, upstream the gas valves group, changes according to the spring provided with the valve group.
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Page 22: Electrical Connections
PART II: INSTALLATION Gas Proving System VPS504 (Option) The VPS504 check the operation of the seal of the gas shut off valves. This check, carried out as soon as the boiler thermostat gives a start signal to the burner, creates, by means of the diaphragm pump inside it, a pressure in the test space of 20 mbar higher than the supply pressure. -
Page 23: Burner Safety
PART II: INSTALLATION Note on elecrtical supply If the power supply to the burner is 230V three-phase or 230V phase-phase (without a neutral), with the Siemens control box, between the terminal 2 (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. -
Page 24: Limitations Of Use
PART III: OPERATION PART III: OPERATION DANGER! Incorrect motor rotation can seriously damage property and injure people.WARNING: before starting the burner up, be sure that the manual cutoff valves are open and check that the pressure upstream the gas train complies the value quoted on paragraph “Technical specifications”. -
Page 25: Gas Operation
PART III: OPERATION Gas operation Turn to the ON position the mains switch S1 on the burner front panel. Check the flame control box is not in the lockout position (light B1 on), if necessary reset it by means of the pushbutton S2 (reset); ... - Page 26 PART III: OPERATION ADJUSTING AIR AND GAS FLOW RATES WARNING! During commissioning operations, do not let the burner operate with insufficient air flow (danger of formation of carbon monoxide); if this should happen, make the fuel decrease slowly until the normal combustion values are achieved.
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Page 27: Adjusting Procedure
PART III: OPERATION Adjusting procedure Turn the burner on by means of its main switch A: if the burner locks (LED B on in the control panel) press the RESET button (C) on the control panel. See chapter “Operation” for further details. check the fan motor rotation;... - Page 28 PART III: OPERATION Double-stage burners drive the burner to the low flame stage by means of the TAB thermostat; To change the gas flow rate in order to get an efficient combustion, slacken the nut DB and adjust the opening angle of the gas ...
- Page 29 PART III: OPERATION Progressive burners Once the procedure till step 8 described is accomplished, go on as follows: set the low flame cam matching the high flame cam; set the TAB thermostat to the minimum in order that the actuator moves progressively towards the low flame position; ...
- Page 30 PART III: OPERATION Now adjust the pressure switches. If it is necessary to change the burner output in the low flame stage, move the low flame cam: the low flame position matches the ignition position. As far as burners fitted with Dungs MBC gas valves, the low flame cam does not match the ignition cam position, that is why it must be set at about 30°...
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Page 31: Pressure Taps
PART III: OPERATION Adjusting the gas valves group MultiBloc MBE Regulation VD-R whith PS Setting scale is „Not“ linear! Various sensors available. Output pressure according to sensor‘s measuring range. Increasing pressure Adjust the outlet pressure to the value specified by the burner or equipment manufacturer! Decreasing pressure While making outlet pressure adjustments, do not... - Page 32 PART III: OPERATION Adjusting the gas valves group Multibloc MB-DLE The multibloc unit is a compact unit consisting of two valves, gas pressure switch, pres- T(VR) sure stabilizer and gas filter. The valve is adjusted by means of the RP regulator after slackening the locking screw VB by a number of turns.
- Page 33 PART III: OPERATION Calibration 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 bur- ner control panel.
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Page 34: Routine Maintenance
PART IV: MAINTENANCE PART IV: 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 35 PART IV: MAINTENANCE Adjusting the gas valves group and removing the filter MB-DLE MB-DLE 415 - 420 B01 405..412 0 CoperFKLR GHO ¿OWro 1,3,4,6 TDSSR D YLWH * 2 AWWDFFR PLVXrDWRre 5 TDSSR D YLWH 0 0, 1, 2, 3, 4, 5 7DSSR D YLWH * Prese di pressione Prese di pressione...
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Page 36: Replacing The Electrodes
PART IV: MAINTENANCE Gas filter maintenance To clean or remove the filter, proceed as follows: 1 remove the cap unscrewing the fixing screws (A); 2 remove the filtering cartridge (B), clean it using water and soap, blow it with compressed air(or replace it, if necessary) 3 replace the cartridge in its proper position taking care to place it inbetween the guides as not to hamper the cap replacement;... - Page 37 PART IV: MAINTENANCE Replacing the detection electrode (if provided) ATTENTION: avoid the ignition electrodes to contact metallic parts (blast tube, head, etc.), otherwise the boiler’s operation would be compromised. Check the electrodes position after any intervention on the combustion head. To replace the ignition electrodes, proceed as follows: remove the burner cover disconnect the electrodes cables (CR);...
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Page 38: Seasonal Stop
PART IV: MAINTENANCE Checking the detection current with photocell (LME) (L.P.G.) 3 x 1,5 mm QRA5... AGM19 Schermatura Max. 60 m Legenda A Amperometro RAR9… Rivelatore con fotocellula al silicio ION Sonda di ionizzazione Burner service term - In optimal operating conditions, and with preventive maintenance, the burner can last up to 20 years. - Upon expiry of the burner service term, it is necessary to carry out a technical diagnosis and, if necessary, an overall repair. - Page 39 PART IV: MAINTENANCE TROUBLESHOOTNG GUIDE Gas operation * No electric power supply * Restore power supply * Main switch open * Close switch * Thermostats open * Check set points and thermostat connections * Bad thermostat set point or broken thermostat * Reset or replace the thermostat * No gas pressure * Restore gas pressure...
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Page 40: Start-Up Program
APPENDIX SIEMENS LME11/21/22 CONTROL BOX tion of «t11») with the LME22..., fan motor «M» will be started. Waiting time Preconditions for burner startup During the waiting time, air pressure monitor «LP» and flame relay «FR» Burner control must be reset are tested for correct contact positions. - Page 41 LME11 control sequence LME21 control sequence B´ B´ SB / R SB / R W / GP W / GP (LR) BV2 7101d05/0206 Control sequence Waiting time LME22 control sequence Purge time B´ TSA Ignition safety time SB / R Preignition time W / GP Postignition time...
- Page 42 LME11 connection diagram Connection diagram Error message (alarm) Fuel valve PC control EK2 Remote lockout reset button RESET 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 CONTROL BOX LOCKED If a fault occurs, all outputs will immediately be deactivated (in less In the event of lockout, the LME.. remains locked and the red signal lamp than 1s). (LED) will light up.The burner control can immediately be reset. This state After an interruption of power, a restart will be made with the full pro- is also mantained in the case fo mains failure.
- Page 44 SIEMENS LOK16.. / LGK16.. CONTROL BOX burner control is no longer ensured, the burner will automatically shut down. When mains voltage returns to the normal level, the burner control Control boxes type LOK16... / LGK16... feature a self-checking flame supervision cir- repeats the startup sequence.
- Page 45 Keys Abortion of startup sequence, because auxiliary switch «m» has not delivered the positioning signal for the low-fire position to terminal 8. Terminals 6, 7 and a Changeover end switch for air damper’s fully open position 14 and, in case LOK16... is used, terminal 15, also remain live until the fault is cor- AL Remote lockout warning device (alarm) rected.
- Page 46 LGK16 Control output at terminal: VIII *t4´ *t3´ *TSA´ t1 3 XIII 7785d03/0604 Lockout indication position * Times TSA´, t3´ and t4´ are only programmed by burner controls LGK16.335... and LGK16.635... Technical data Mains voltage AC 220 V -15 %...AC 240 V +10 % AC 100 V -15 %...AC 110 V +10 % Mains frequency 50...60 Hz ±6 %...
- Page 52 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 data subject to change. Errors and omissions excepted.
- Page 53 FRONTALE QUADRO FRONT CONTROL PANEL...
- Page 54 FRONTALE QUADRO FRONT CONTROL PANEL...