Related Manuals for Riello 20194153
Summary of Contents for Riello 20194153
- Page 1 Installation, use and maintenance instructions Forced draught gas burners Progressive two-stage operation CODE MODEL 20194153 RS 68 BLU 20194154 RS 120 BLU 20194185 (1) - 11/2021...
- Page 2 Translation of the original instructions...
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Page 3: Table Of Contents
Contents Information and general warnings............................3 Information about the instruction manual ........................3 1.1.1 Introduction.................................. 3 1.1.2 General dangers................................3 1.1.3 Other symbols ................................3 1.1.4 Delivery of the system and the instruction manual...................... 4 Guarantee and responsibility............................4 Safety and prevention................................5 Background ................................. - Page 4 Contents Adjusting the burner ..............................26 5.6.1 Ignition output ................................26 5.6.2 Output in 2nd stage..............................26 5.6.3 Output in 1st stage ..............................27 5.6.4 Air pressure switch..............................28 5.6.5 Minimum gas pressure switch............................28 Operation sequence of the burner ..........................29 5.7.1 Burner start-up ................................29 5.7.2 Operation ...................................29 5.7.3 Ignition failure................................29...
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Page 5: Information And General Warnings
Information and general warnings Information and general warnings Information about the instruction manual 1.1.1 Introduction WARNING: MOVING PARTS The instruction manual supplied with the burner: This symbol indicates that you must keep limbs is an integral and essential part of the product and must not away from moving mechanical parts;... -
Page 6: Delivery Of The System And The Instruction Manual
Information and general warnings 1.1.4 Delivery of the system and the instruction The system supplier must carefully inform the user about: – the use of the system; manual – any further tests that may be required before activating the When the system is delivered, it is important that: system;... -
Page 7: Safety And Prevention
Safety and prevention Safety and prevention Background The burners have been designed and built in compliance with which the burner has been regulated, the pressurisation of the current regulations and directives, applying the known technical combustion chamber, the dimensions of the combustion cham- rules of safety and envisaging all the potential danger situations. -
Page 8: Technical Description Of The Burner
1 / 230V / 50Hz 3/230-400/50 3/230V/50Hz 3N/ 400V / 50Hz Auxiliary voltage: 230/50/60 230V / 50-60Hz 3/230-400/50 1/230/50 BASIC DESIGNATION EXTENDED DESIGNATION Models available Designation Voltage Start-up Code RS 68 BLU 3/230-400/50 Direct 20194153 RS 120 BLU 3/230-400/50 Direct 20194154 20194185... -
Page 9: Technical Data
Technical description of the burner Technical data Model RS 68 BLU RS 120 BLU Power 2nd stage 350 - 860 600 - 1300 Mcal/h 301 - 740 516 - 1118 min. 1st stage Mcal/h Fuel Natural gas: G20 - G25 - net calorific value kWh/Nm3 Mcal/Nm3... -
Page 10: Maximum Dimensions
Technical description of the burner Maximum dimensions The maximum dimensions of the burner are given in Fig. 1. Note that to inspect the combustion head the burner must be moved backward and turned upward. The maximum dimension of the open burner, without cover, is given by measurement I. T - T ( 1 ) U - U ( 1 ) 20152197... -
Page 11: Firing Rates
Technical description of the burner Firing rates The burners can operate in two modes: The firing rate value (Fig. 2) has been obtained one-stage or two-stage. considering an ambient temperature of 20 °C, an atmospheric pressure of 1,013 mbar (approx. 0 m The MAXIMUM OUTPUT is selected from within area A (Fig. -
Page 12: Commercial Boilers
Technical description of the burner 3.8.1 Commercial boilers NOTE: For flame inversion boilers, a kit is available to reduce CO The burner/boiler combination does not pose any problems if the emissions if required. The kit includes 5 gas pipes, identical boiler is EC approved and its combustion chamber dimensions to the other 5 already fitted to the burner head. -
Page 13: Burner Description
Technical description of the burner Burner description 20194403 11 10 9 Fig. 5 Combustion head Two types of burner failure may occur: Ignition electrode Screw for combustion head adjustment CONTROL BOX LOCKOUT: Pipe coupling if the control box button 12)(red led)(Fig. 5) lights up, it indicates Fan motor that the burner is in lockout. -
Page 14: Electrical Panel Description
Technical description of the burner 3.10 Electrical panel description 20194409 Fig. 6 Plug-socket on ionisation probe cable Motor contactor and thermal relay with reset button Two switches: - one for “on - off burner” - one for “1st - 2nd stage” Terminal board for electric connection Cable grommets for electrical wiring (to be carried out by the installer) -
Page 15: 3.11 Control Box Rmg88
The control box RMG88... is a safety device! WARNING Avoid opening or modifying it, or forcing its opera- tion. Riello S.p.A. cannot assume any responsibil- ity for damage resulting from unauthorised interventions! All interventions (assembly and installation operations, assistance, etc.) must be carried out by qualified personnel. -
Page 16: Servomotor (Sqn73.4B4A20)
Technical description of the burner 3.12 Servomotor (SQN73.4B4A20) Warnings To avoid accidents, material or environmental damage, observe the following instructions! Avoid opening, modifying or forcing the actua- WARNING tors. All interventions (assembly and installation operations, assistance, etc.) must be carried out by qualified personnel. ... -
Page 17: Installation
Installation Installation Notes on safety for the installation After carefully cleaning all around the area where the burner is to The installation of the burner must be carried out be installed, and arranging for the environment to be illuminated by qualified personnel, as indicated in this manual correctly, proceed with the installation operations. -
Page 18: Operating Position
Installation Operating position The burner is designed to work only in posi- tions 1, 2, 3 and 4 (Fig. 10). Installation 1 is preferable, as it is the only one that allows the maintenance operations WARNING as described in this manual. ... -
Page 19: Access To Head Internal Part
Installation Access to head internal part In order to reach inside the combustion head (Fig. 13) proceed as follows: remove the screw 1) and take out the internal part 2). 4.6.1 Combustion head calibration At this point check, for model RS 120 BLU, whether the maximum delivery of the burner in 2nd stage operation is contained in area A or in area B of the firing rate. -
Page 20: Combustion Head Adjustment
Installation Combustion head adjustment Installation operations are now at the stage where the blast tube Example: and sleeve are secured to the boiler as shown in Fig. 16. RS 68 BLU, burner output = 500 kW. It is now a very simple matter to set up the combustion head, as If we consult diagram (Fig. -
Page 21: Gas Feeding
Installation Gas feeding Explosion danger due to fuel leaks in the pres- MBC “threaded” ence of a flammable source. Precautions: avoid knocking, attrition, sparks and heat. Make sure that the fuel interception tap is closed before performing any operation on the burner. The fuel supply line must be installed by qualified personnel, in compliance with current standards and laws. -
Page 22: Gas Train
Installation 4.9.2 Gas train 4.9.4 Gas pressure Approved according to standard EN 676 and provided separately Tab. G indicates the pressure drops of the combustion head and from the burner. gas butterfly valve, on the basis of the burner operating output. p (mbar) 4.9.3 Gas train installation... - Page 23 Installation Column 1 Combustion head pressure drop. Gas pressure measured at the test point 1)(Fig. 23), with: • combustion chamber at 0 mbar; • burner working at maximum output Column 2 Pressure loss at gas butterfly valve 2)(Fig. 23) with maximum opening: 90°.
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Page 24: Electrical Wiring
Installation 4.10 Electrical wiring Notes on safety for the electrical wiring The electrical wiring must be carried out with the electrical supply disconnected. Electrical wiring must be made in accordance with the regulations currently in force in the country of destination and by qualified personnel. -
Page 25: Calibration Of The Thermal Relay
Installation 4.11 Calibration of the thermal relay The thermal relay serves to avoid damage to the motor due to an excessive absorption increase or if a phase is missing. For the calibration, act on the wiper 2)(Fig. 25) by referring to the wiring diagram. -
Page 26: Start-Up, Calibration And Operation Of The Burner
Start-up, calibration and operation of the burner Start-up, calibration and operation of the burner Notes on safety for the first start-up The first start-up of the burner must be carried out Check the correct working of the adjustment, com- by qualified personnel, as indicated in this manual mand and safety devices. -
Page 27: Servomotor Adjustment
Start-up, calibration and operation of the burner Servomotor adjustment The servomotor (Fig. 30) simultaneously adjusts the air damper (by means of the variable profile cam) and the gas butterfly valve. The servomotor rotates by 90° in 12 seconds. Do not alter the factory setting for the 4 cams; check only that they are as shown below. -
Page 28: Burner Ignition
Start-up, calibration and operation of the burner Burner ignition Having completed the checks indicated in the previous heading, The arrival of gas to the pipe coupling is shown by the pressure ignition of the burner should be achieved. gauge. If the motor starts but the flame does not appear and the control Once the burner has fired, now proceed with global calibration box goes into lockout, reset and wait for a new start-up attempt. -
Page 29: Output In 1St Stage
Start-up, calibration and operation of the burner 5.6.3 Output in 1st stage The 1st stage output must be selected from within the firing rate range shown on page 4. Turn the switch 2)(Fig. 28 on page 24) to the 1st stage position: the servomotor 1)(Fig. -
Page 30: Air Pressure Switch
Start-up, calibration and operation of the burner 5.6.4 Air pressure switch – choke slowly the manual gas cock until the pressure gauge detects a decrease in the pressure read of about 0.1 kPa Adjust the air pressure switch after performing all other burner (1 mbar). -
Page 31: Operation Sequence Of The Burner
Start-up, calibration and operation of the burner Operation sequence of the burner 5.7.1 Burner start-up NORMAL IGNITION (n° = seconds from instant 0) Control remote control TL closes (Fig. 36). Servomotor starts: turn to the right, as far as the angle set on the cam with the orange lever. -
Page 32: Burner Flame Goes Out During Operation
Start-up, calibration and operation of the burner 5.7.4 Burner flame goes out during operation If the flame accidentally goes out during operation, the burner will go into lockout within 1s. Stopping of the burner The burner can be stopped by: Carry out all the operations, then reassemble the ... -
Page 33: Maintenance
Maintenance Maintenance Notes on safety for the maintenance The periodic maintenance is essential for the good operation, Before carrying out any maintenance, cleaning or checking oper- safety, yield and duration of the burner. ations: It allows you to reduce consumption and polluting emissions and to keep the product in a reliable state over time. -
Page 34: Combustion Control (Gas)
Maintenance Boiler 6.2.5 Safety components Clean the boiler as indicated in its accompanying instructions in The safety components should be replaced at the end of their life order to maintain all the original combustion characteristics in- cycle indicated in Tab. J. The specified life cycles do not refer to tact, especially: the flue gas temperature and combustion cham- the warranty terms indicated in the delivery or payment condi- ber pressure. -
Page 35: Opening The Burner
Maintenance Opening the burner Disconnect the electrical supply from the burner by means of the main system switch. DANGER Close the fuel interception tap. DANGER D3034 Wait for the components in contact with heat sources to cool down completely. Loosen the screws 1) and remove the hood 2). ... -
Page 36: Faults - Possible Causes - Solutions
Faults - Possible causes - Solutions Faults - Possible causes - Solutions In the event the burner stops, in order to prevent In the event there are further lockouts or faults any damage to the installation, do not unblock the with the burner, the maintenance interventions burner more than twice in a row. - Page 37 Faults - Possible causes - Solutions Signal Problem Possible cause Recommended remedy 10 blinks The burner does not Incorrect electrical wiring Check switch on, and the lock- out appears The burner goes into Defective control box Replace lockout Presence of electromagnetic disturbances in the Filter or eliminate thermostat lines Presence of electromagnetic disturbance...
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Page 38: Appendix - Accessories
Appendix - Accessories Appendix - Accessories Kit for LPG operation Burner RS 68 BLU RS 120 BLU Output kW 220 ÷ 618 630 ÷ 2400 Nozzle length mm Code 3010433* on demand (*) CE approval on field is required Radio disturbance protection kit If the burner is installed in places particularly subject to radio disturbance (emission of signals exceeding 10 V/m) owing to the pres- ence of an INVERTER, or in applications where the length of the thermostat connections exceeds 20 metres, a protection kit is avail- able as an interface between the control box and the burner. -
Page 39: B Appendix - Electrical Panel Layout
Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts Indication of references Operational layout Operational layout Electrical connections set by installer Indication of references / 1 . A 1 Sheet no. Co-ordinates 20194185... - Page 40 Appendix - Electrical panel layout 20194185...
- Page 41 Appendix - Electrical panel layout 20194185...
- Page 42 Appendix - Electrical panel layout 20194185...
- Page 43 Appendix - Electrical panel layout 20194185...
- Page 44 Appendix - Electrical panel layout 20194185...
- Page 45 Appendix - Electrical panel layout Wiring layout key Control box Filter to protect against radio disturbance Ionisation probe connector Fuse Thermal relay Lockout signal lamp Valve leak detection device lockout signal lamp 1st stage hour counter 2nd stage hour counter Relay Relay Motor contactor...
- Page 48 Registered Office - 公司注册所在地 : 生产场所 : Manufacturing site: RIELLO S.p.A. Riello Heating Equipment (Shanghai) CO., LTD Riello Heating Equipment (Shanghai) CO., LTD 利雅路热能设备 ( 上海 ) 有限公司 I-37045 Legnago (VR) No. 388, Jinbai Road - Jinshan Industrial Zone 上海市金山工业区金百路 388 号...