Riello 876 T Installation, Use And Maintenance Instructions Download

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Installation, use and maintenance instructions

20168415 (3) - 12/2021

Forced draught gas burners

Progressive two-stage or modulating operation

CODE

MODEL

TYPE

20169244

RS 25/M BLU

876 T

20169245

RS 25/M BLU

876 T

20169247

RS 35/M BLU

877 T

20168390

RS 35/M BLU

877 T

Summary of Contents for 876 T

Page 1: ...instructions 20168415 3 12 2021 Forced draught gas burners Progressive two stage or modulating operation CODE MODEL TYPE 20169244 RS 25 M BLU 876 T 20169245 RS 25 M BLU 876 T 20169247 RS 35 M BLU 877...

Page 2: ...Translation of the original instructions...

Page 3: ...safety for the installation 17 5 2 Handling 17 5 3 Preliminary checks 17 5 4 Operating position 18 5 5 Preparing the boiler 18 5 5 1 Boring the boiler plate 18 5 5 2 Blast tube length 18 5 5 3 Securi...

Page 4: ...gramme 32 7 2 1 Maintenance frequency 32 7 2 2 Safety test with no gas supply 32 7 2 3 Checking and cleaning 32 7 2 4 Safety components 33 7 3 Opening the burner 34 7 4 Closing the burner 34 7 5 Elect...

Page 5: ...ltempi Declaration of Conformity A R 8 1 2004 17 7 2009 Belgium Manufacturer RIELLO S p A 37045 Legnago VR Italy Tel 39 0442630111 www riello com Distributed by VAN MARCKE HQ LAR Blok Z 5 B 8511 Kortr...

Page 6: ...RIELLO S p A declares that the following products comply with the NOx emission limits specified by German standard 1 BImSchV revision 26 01 2010 Product Type Model Output Forced draught gas burners 87...

Page 7: ...e machine and or injury to people DANGER DANGER LIVE COMPONENTS This symbol indicates operations which if not carried out correctly lead to electric shocks with lethal consequences DANGER FLAMMABLE MA...

Page 8: ...vent of damage to things or injury to people if such damage injury was due to any of the following causes incorrect installation start up use and maintenance of the burner improper incorrect or unreas...

Page 9: ...tenance Only those parts envisaged by the manufacturer can be replaced 3 2 Personnel training The user is the person body or company that has acquired the machine and intends to use it for the specifi...

Page 10: ...N 400V 50Hz 3 230V 50Hz 230V 50 60Hz 110V 50 60Hz Heavy oil E Electronic cam EV Electronic cam and variable speed with Inverter M Mechanical cam P Proportional air gas valve S L LS N Head TC Standard...

Page 11: ...E FI GR HU IS IT LT NO RO SE SI SK TR II2H3B P ES GB IE PT II2H3P NL II2EK3B P Model RS 25 M BLU RS 35 M BLU Output 1 Max kW Mcal h 125 370 108 320 202 480 174 413 Min kW Mcal h 45 39 70 60 Fuel Natur...

Page 12: ...the combustion head requires the burner to be opened and the rear part drawn back on the slide bars The dimensions of the open burner are indicated by dimension O Tab E 1 Blast tube short long Fig 1 D...

Page 13: ...ering an ambient temperature of 20 C an atmospheric pressure of 1013 mbar approx 0 m a s l and with the combustion head adjusted as shown on page 20 A 100 200 300 400 500 80 140 200 260 320 380 500 44...

Page 14: ...hen boiler has a CE type approval preliminary tests are recommended for boilers or furnaces having a combustion chamber size much different than the one specified in Fig 3 4 9 Burner equipment The bur...

Page 15: ...burner is not operating the air damper is fully closed in order to reduce heat dispersion from the boiler due to the flue draught which draws air from the fan suction inlet 11 Areas for passage of ele...

Page 16: ...tion A button for output increase decrease 2 Ionisation probe connector 3 Areas for passage of electric cables 4 Light reset button 5 Control box base 6 Filter to protect against radio disturbance 7 I...

Page 17: ...ons Do not confuse the powered conductors with the neutral ones Ensure that spliced wires cannot get into contact with neighbouring terminals Use adequate ferrules Arrange the H V ignition cables sepa...

Page 18: ...otor must be checked after long periods of non use Technical data Tab G ATTENTION To avoid accidents material or environmental damage observe the following instructions Avoid opening modifying or forc...

Page 19: ...e the boiler must be free from hazardous mixes e g chloride fluoride halogen if present it is highly recommended to carry out cleaning and maintenance more frequently ATTENTION Burner handling operati...

Page 20: ...the opening of the blast tube that the probe and electrode are correctly positioned as in Fig 13 Separate the combustion head from the rest of the burner Fig 11 disengage the articulated coupling 4 f...

Page 21: ...librate them Fig 12 D3835 ATTENTION The burner boiler seal must be hermetic after burner start up check there is no leakage of flue gases into the external environment ATTENTION Before securing the bu...

Page 22: ...e ring nut 4 When finished lock the screws 5 again NOTE The adjustments indicated can be modified during the initial start up Once you have finished adjusting the head reassemble the burner 4 Fig 17 o...

Page 23: ...tection control devices are compulsory for burners with maximum outputs over 1200 kW 9 Gasket for flanged versions only 10 Pressure adjuster 11 Train burner adaptor supplied separately P2 Pressure ups...

Page 24: ...Pay attention when handling the train danger of crushing of limbs Make sure that the gas train is properly installed by checking for any fuel leaks The operator must use the required equipment during...

Page 25: ...ure at test point 1 Fig 23 11 3 mbar Pressure in combustion chamber 2 0 mbar 11 3 2 0 9 3 mbar A pressure of 9 3 mbar column 1 corresponds in the table to an output of 360 kW This value serves as a ro...

Page 26: ...s When it is used as a UV control the system is considered as non permanent requiring one burner recycle every 24 hours Normally burner stopping is guaranteed by the boiler s thermostat pressure switc...

Page 27: ...drill if 6A pipe unions are required 5 11 Motor rotation As soon as the burner starts place yourself in front of the cooling fan of the fan motor and check that it turns anticlockwise If this is not...

Page 28: ...graduated sector controlling the gas butterfly valve The servomotor rotates by 90 in 24 seconds Do not alter the factory setting for the 4 cams just check that they are as specified below 6 Start up...

Page 29: ...afety time sec Example for gas G20 9 45 kWh Sm3 ignition output 150 kW corresponding to 15 87 Sm3 h After 10 ignitions with a lockout the delivery indicated on the meter must be equal to or lower than...

Page 30: ...ent valve If delivery needs to be increased increase the adjuster outlet gas pressure Air adjustment Progressively adjust the end profile of cam 4 Fig 29 by turning the screws of the cam that appear i...

Page 31: ...differential mode applying a second tube between the air pressure switch and the fan suction line mouth In this case also the pressure gauge must be connected in differential mode as shown in Fig 26...

Page 32: ...put butterfly valve and the air flow rate fan damper Burner with output regulator See the manual supplied with the regulator 6 7 3 Ignition failure If the burner does not ignite it locks out within 3s...

Page 33: ...op Turn the gas maximum pressure switch knob to the minimum end of scale position Turn the air pressure switch knob to the maximum end of scale position The burner must stop in lockout Turn off the bu...

Page 34: ...ised during maintenance Combustion head Open the burner and make sure that all components of the combustion head are in good condition not deformed by the high temperatures free of impurities from the...

Page 35: ...ct our Technical Support Service to implement the necessary adjustments Tab J 7 2 4 Safety components The safety components must be replaced at the end of their life cycle indicated in Tab K The speci...

Page 36: ...with the screw 1 Fig 37 7 5 Electrical panel maintenance If it is necessary to carry out maintenance on the electrical panel 1 Fig 38 it is possible to remove only the fan unit 2 Fig 38 to allow impro...

Page 37: ...the flame LED represents 20 of the signal power To exit the check mode function press the reset button the flame control will go back to the normal operating mode 8 3 Flame control lock out or emergen...

Page 38: ...Damper open Damper closed Modulation Ignition Flame Status Icon Power OFF ON OFF Not ready Diagnostics Green Standby Green Servomotor movement Note 3 OFF Flashing Flashing OFF Green Waiting for closi...

Page 39: ...cause material problems severe injuries or death It is the owner or user s responsibility to make sure that the equipment described is installed used and commissioned in compliance with the requiremen...

Page 40: ...mbustion airflow switch fault in the rest position Red 20 UV no flame at the end of the 2nd safety time MTFI Red 21 Safety relay fault Red 22 Supervisor processor fault Red 23 Supervisor memory test f...

Page 41: ...0Hz 5 FR No flame at the end of the 2nd safety time MTFI No flame at the end of the second safety time Inspect the system check the gas pressure inspect the flame detection electrode check the wiring...

Page 42: ...e 41 Internal hardware fault Internal fault Replace the control device 42 Main processor fault Internal fault Replace the control device 43 Supervisor processor fault Internal fault Replace the contro...

Page 43: ...voltage when necessary Check the wiring Check the actuator 59 Internal hardware fault Internal fault Replace the control device 60 Local reset fault Local reset button pressed for more than 10 second...

Page 44: ...n compliance with EN 676 Please refer to manual A Appendix Accessories Parameter to be checked Probe Adjustment field Adjustment field Typ Code Typ Code Temperature 100 500 C PT 100 3010110 RWF50 2 RW...

Page 45: ...of references 3 Functional layout RFGO A22 RS 25 M BLU RS 35 M BLU 4 Functional layout RFGO A22 RS 25 M BLU RS 35 M BLU 5 Electrical wiring that is the responsibility of the installer RS 25 M BLU RS 3...

Page 46: ...20168415 44 GB Appendix Electrical panel layout 0 1 2344 0 5 4 1 2 6 7 1 8 0 31 4 2 1 2 4 9 1 0 3 1 2344 0 5 4 1 2 6 7 1 8 0 31 4 2 1 2 4 9 1 0 3 A A A B A C A A A A A A A A A A B A RS 25 M BLU...

Page 47: ...45 20168415 GB Appendix Electrical panel layout 0 1 2344 567 4 1 2 8 9 1 650 31 4 2 1 264 1 5 3 0 0 A RS 35 M BLU...

Page 48: ...20168415 46 GB Appendix Electrical panel layout 0 RS 25 M BLU...

Page 49: ...47 20168415 GB Appendix Electrical panel layout 0 1 1 2 1 1 1 1 1 1 1 0 1 RS 35 M BLU...

Page 50: ...DE A1 B 29 2 148 1 2 2 1 2 9 8F C A1 B 2 1 9 2 148 1 2 G1 1 82A 1 2 9 8 A1 8 4 H B 3 4 3 5 6 3 3 29 1 9C12 9 26 22 991 21B 29 C 84 G1 8 22 1 29B 29F 1 9 29 22 1 29B 2 A 2 29 H99 2 9 A 2B I I J 5 5 5 J...

Page 51: ...B 58 9 9 5 4 7 4 5 59 4 5 8 9 7F C A4 B 5 4 8 5 4 7 4 5 G4 4 75A 4 5 8 7 9 A4 7 9 H B 0 0 1 2 0 58 4 8C45 8 52 9 55 884 54B 58 C 7 G4 7 9 55 9 4 58B 58F 49 8 58 9 55 4 58B 5 9A 5 589 H88 5 8 9A 5B I I...

Page 52: ...6 007 4 8 23 6 7 297 7 023 1 72 6 3 4 5 6 007 4 23 6 37 7 023 6 3 007 39 2 1 77 3 3 36 39 6 5 6 6 4 39 2 A B C D C A E F F F E F F F G E F G F H F E F F F E F F F E F F F E F F F E F F F GE F G F F E...

Page 53: ...H 4 3 8 7 H 1 1 0 0 B 6 C 5 7 4 B 6 3C 0 5 7 4 B 6 C 5 1 2 34 A 7 5 B 6 C 54 5 4 45 5 4 4 7 4 1 1 4 4 7 4 4 4 B7C 4 B 6 C 5 5 45 5 44 B C 4 5 45 0 I 0 A 0 A 0 A 0 I A A A 1 9 6 I A 6 A J 0 A I A A A K...

Page 54: ...on probe IN Burner manual stop switch K1 Relay MV Fan motor PA Air pressure switch PGM Maximum gas pressure switch PGMin Minimum gas pressure switch PS Reset button with light signal Q2 Single phase d...

Page 55: ......

Page 56: ...Subject to modifications RIELLO S p A I 37045 Legnago VR Tel 39 0442 630111 http www riello it http www riello com...

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