Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Related Manuals for Riello Bio RLS 68/M
Summary of Contents for Riello Bio RLS 68/M
- Page 1 Installation, use and maintenance instructions Dual fuel gas oil/ gas burners Gas progressive two-stage or modulating operation/oil two-stage operation CODE MODEL TYPE 20034838 - 20034839 RLS 68/M MX 779 T 20034840 - 20034841 RLS 120/M MX 780 T 20034985 (5) - 01/2019...
-
Page 3: Table Of Contents
Contents Declaration....................................3 Information and general warnings............................4 Information about the instruction manual ........................4 2.1.1 Introduction.................................. 4 2.1.2 General dangers................................4 2.1.3 Danger: live components............................. 4 Guarantee and responsibility............................5 Guidance for the use of bio fuel blends up to 10%...................... 5 2.3.1 Information and general instructions ........................... - Page 4 Contents 5.16.2 Gas train installation ..............................23 5.16.3 Gas pressure ................................23 Electrical system..................................25 Notes on safety for the electrical wiring ........................25 Electrical connections ..............................25 Calibration of thermal relay ............................26 Current to the UV photocell............................26 Start-up, calibration and operation of the burner ........................27 Notes on safety for the first start-up ...........................27 Adjustment before first firing (gas oil operation) ......................27 7.2.1...
-
Page 5: Declaration
7 mg/kWh NOx max: 130 mg/kWh NOx max: 64 mg/kWh Manufacturer's Declaration RIELLO S.p.A. declares that the following products comply with the NOx emission limits specified by German standard “1. BImSchV rele- ase 26.01.2010”. Product Type Model Power Dual fuel gas oil/ gas burners... -
Page 6: Information And General Warnings
Information and general warnings Information and general warnings Information about the instruction manual 2.1.1 Introduction 2.1.3 Danger: live components The instruction manual supplied with the burner: This symbol indicates operations which, if not car- is an integral and essential part of the product and must not ried out correctly, lead to electric shocks with le- be separated from it;... -
Page 7: Guarantee And Responsibility
All components within the hydraulic circuit suitable for manual, operating negligence, incorrect installa- bio fuel use and supplied by Riello will be identified as Bio com- tion and carrying out of non authorised modifica- patible. No warranty is given in relation to the use of components... -
Page 8: Information And General Instructions
If this is not completed then due to the hydro- In no event shall Riello (and its subsidiaries) be liable for any in- scopic nature of Bio fuel, it will effectively clean the tank,... -
Page 9: Safety And Prevention
Safety and prevention Safety and prevention Introduction The burners have been designed and built in compliance with it can be applied to boilers operating with water, steam, diather- current regulations and directives, applying the known technical mic oil, and to other uses expressly named by the manufacturer; rules of safety and envisaging all the potential danger situations. -
Page 10: Technical Description Of The Burner
Technical description of the burner Technical description of the burner Burner designation Series : Fuel : Natural gas Gas oil Gas oil / Methane Heavy oil Size Setting: Single stage Two stage Modulating Emission: C11 ... Class 1 EN267 - EN676 C22 or MZ Class 2 EN267 - Class 2 EN676 C33 or BLU... -
Page 11: Technical Data
Technical description of the burner Technical data Model RLS 68/M MX RLS 120/M MX Type 779 T 780 T Output stage 350 - 860 600 - 1200 Delivery kg/h 30 - 73 50 - 101 min. 1 stage kg/h Fuel Gas oil, viscosity at 20 °C: 6 mm /s max (1,5 °E - 6 cSt) Gas oil and Blends of gas oil and bio fuel (FAME in accordance with EN... -
Page 12: Countries Of Destination - Burner Categories
Technical description of the burner Motor IE2 Model RLS 68/M MX RLS 120/M MX Electrical supply V/Ph/Hz 230-400/3/50 Auxiliary power supply V/Ph/Hz 230/3/50 Fan motor 2860 2860 230/400 230/400 5.5/3.4 7.9/4.6 Pump motor 220/240 Pump motor capacitor µF Ignition transformer V1 - V2 230 V - 2 x 5 kV I1 - I2... -
Page 13: Overall Dimensions
Technical description of the burner Overall dimensions The maximum dimensions of the burner are given in Fig. 2. The maximum dimension of the burner when open, without cas- ing, is give in measurement I. Bear in mind that inspection of the combustion head requires the burner to be opened and the rear part withdrawn on the slide bars. -
Page 14: Test Boiler
Technical description of the burner Test boiler The firing rates were set in relation to special test boilers, accord- ing to EN 676 regulations. Fig. 4 indicates the diameter and length of the test combustion chamber. Example: output 650 Mcal/h: diameter 60 cm - length 2 m. 4.9.1 Commercial boilers The burners are suitable for operation on either flame-inversion... -
Page 15: Burner Description
Bio blend, it will be essential to use flexible oil 4 - Flange fixing screws (M10x35) lines suitable for bio fuel use. Please contact Riello for further information. WARNING 1 - Thermal insulation screen 4 - Screws (M12x35) to secure the burner flange to the boiler... -
Page 16: Installation
Installation Installation Notes on safety for the installation After carefully cleaning all around the area where the burner will The installation of the burner must be carried out be installed, and arranging the correct lighting of the environ- by qualified personnel, as indicated in this manual ment, proceed with the installation operations. -
Page 17: Installer/Servicer Notes For The Use Of Gas Oil With Bio Blends Up To 10
The burner hydraulic components and flexible oil lines must burner technical manual). be suitable for bio fuel use (check with Riello if in doubt). If a Bio blend is in use the installer must seek information Riello have carefully chosen the specification of the bio... -
Page 18: Blast Tube Length
Both nozzles must be chosen from among those listed in Tab. J. In order to guarantee that emissions do not vary, recommended The first nozzle determines the delivery of the burner in the 1st and/or alternative nozzles specified by Riello in the Instruction stage. and warning booklet should be used. -
Page 19: Nozzle Assembly
Installation Output required by the burner = 900 : 0.9 = 1000 kW; 1000 : 2 = 500 KW per nozzle; therefore, two equal, 60°, 12 bar nozzles are required: 1° = 10 GPH - 2° = 10 GPH, or the following two different nozzles: 1° = 12 GPH - 2° = 8 GPH. kg/h 12 bar 10 bar... -
Page 20: Servomotor
Installation Make sure that the electrodes are positioned as shown in Fig. 14. WARNING Refit the burner to the slide bars 3)(Fig. 15) at approximately 100 mm from the sleeve 4) - burner positioned as shown in Fig. 10 at page 16. ... -
Page 21: Gas Oil Supply
DANGER You are advised to use additional filters on the fuel supply line. Riello recommends a good quality fuel filter at the tank (Fig. 17 - Fig. 18) and a secondary filter CAUTION (100 for gas oil and 15 for kerosene) are used... -
Page 22: 5.11.2 Single-Pipe Circuit
Installation 5.11.2 Single-pipe circuit In order to obtain single-pipe working it is necessary to unscrew the return hose, remove the by-pass screw 6)(Fig. 19) and then screw the plug 7)(Fig. 19). The distance “P” must not exceed 10 meters in order to avoid subjecting the pump's seal to excessive strain;... -
Page 23: Hydraulic Connections
For self-priming to take place, one of the screws 3)(Fig. 21) lines suitable for bio fuel use. of the pump, must be loosened in order to bleed off the air Please contact Riello for further information. WARNING contained in the suction line. -
Page 24: Gas Feeding
Installation 5.15 Gas feeding Explosion danger due to fuel leaks in the pres- 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 25: Gas Supply
Installation 5.16 Gas supply 5.16.1 Gas line 5.16.3 Gas pressure Approved according to standard EN 676 and provided separately Tab. N indicates the pressure drops of the combustion head and from the burner. gas butterfly valve, on the basis of the burner operating output. To select the correct gas train model, refer to the supplied “Burn- 1 p (mbar) 2 p (mbar) - Page 26 Installation To know the approximate output at which the burner is operating at its maximum: – subtract the combustion chamber pressure from the gas pressure measured at test point 1)(Fig. 28). – Find, in the Tab. N relating to the burner concerned, column 1, the pressure value closest to the result you want.
-
Page 27: Electrical System
Pg 13.5 Three-phase power supply destination and by qualified personnel. 7 pole socket input Riello S.p.A. declines all liability for modifications WARNING 4 pole socket input or connections other than those shown on these 6 pole socket input diagrams. -
Page 28: Calibration Of Thermal Relay
Electrical system Calibration of thermal relay This is required to avoid motor burn-out in the event of a signifi- – Do not invert the neutral with the phase wire cant increase in power absorption caused by a missing phase. in the electricity supply line. Any inversion •... -
Page 29: 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 Before igniting the burner, see the paragraph by qualified personnel, as indicated in this manual "Safety test - with gas feeding closed"... -
Page 30: Operation
Start-up, calibration and operation of the burner 7.3.2 Operation Pump pressure 12 bar: this is the pressure calibrated in the factory which is The optimum calibration of the burner requires an analysis of the usually sufficient for most purposes. flue gases at the boiler outlet and interventions on the following Sometimes, this pressure must be adjusted to: points. -
Page 31: Burner Starting (Gas Operation)
Start-up, calibration and operation of the burner Burner starting (gas operation) If voltage is present, then immediately stop the burner and check It is advisable to first set the burner for operating electrical connections. on oil and then for gas. Execute the fuel exchange when the burner is off. -
Page 32: Min Burner Output
Start-up, calibration and operation of the burner 7.7.3 MIN burner output Cam starting profile adjustment screws Adjustment fixing screws Min output must be selected within the firing rate range shown on Cam end profile adjustment screws page 11. Graduated sector for gas butterfly valve Press button 2)(Fig. -
Page 33: Air Pressure Switch
Start-up, calibration and operation of the burner 7.7.5 Air pressure switch 7.7.6 Maximum gas pressure switch Adjust the air pressure switch after having performed all other Adjust the maximum gas pressure switch after having performed burner adjustments with the air pressure switch set to the start of all the other burner adjustments with the maximum gas pressure the scale (Fig. -
Page 34: Burner Operation
Start-up, calibration and operation of the burner Burner operation NORMAL FIRING (n° = seconds from instant 0) D3202 Fig. 45 NO FIRING D3203 Fig. 46 Key Fig. 45 - Fig. 46 Thermostat Motor Air gate valve Ignition transformer First valve First flame Second valve Second flame... -
Page 35: 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 36 Maintenance Servomotor It is advisable to replace nozzles every year during regular main- tenance operations. Disengage the cam 4)(Fig. 40 at page 30) from the servomotor, Combustion must be checked after the nozzles have been by pressing and moving button 3)(Fig. 41) towards the right, and changed.
-
Page 37: Safety Components
Maintenance 8.2.4 Safety components The safety components should be replaced at the end of their life cycle indicated in Tab. O. The specified life cycles do not refer to the warranty terms indi- cated in the delivery or payment conditions. Safety component Life cycle 10 years or 250,000... -
Page 38: Opening The Burner
Maintenance Opening the burner Remove the screws 10) from the two slide bars 4). Fit the two extensions onto the slide bars 4). Disconnect the electrical supply from the Replace the screws 10) onto the two slide bars. burner. -
Page 39: Faults - Possible Causes - Solutions
Faults - Possible causes - Solutions Faults - Possible causes - Solutions Find a list of faults, causes and possible solutions for a set of failures that may occur and result in irregular burner operation or no functioning at all. If a burner malfunction is detected, first of all: •... - Page 40 Faults - Possible causes - Solutions GAS OIL OPERATION SYMBOL FAULT PROBABLE CAUSE SUGGESTED REMEDY Defective control box Replace Ignition electrode wrongly adjusted Adjust Grounded electrode due to broken insulation Replace Pump/motor coupling broken Replace Ignition transformer defective Replace The flame ignites normally but Defective photocell or control box Replace photocell or control box the burner locks out when the...
- Page 41 Faults - Possible causes - Solutions GAS OPERATION SYMBOL FAULT PROBABLE CAUSE SUGGESTED REMEDY The burner does not start Close all switches and check con- No electrical power supply nections A limiter or safety control device is open Adjust or replace Control box lock-out Reset control box Control box fuse blown...
- Page 42 Faults - Possible causes - Solutions GAS OPERATION SYMBOL FAULT PROBABLE CAUSE SUGGESTED REMEDY The burner repeats the start- Mains gas pressure is near the valve to which the ing cycle without lock out min. gas pressure switch gas is adjusted. The repeated drop in pressure which follows valve opening causes temporary opening of the Reduce operating pressure of...
-
Page 43: Appendix - Accessories (Optional)
Appendix - Accessories (optional) Appendix - Accessories (optional) OUTPUT POWER REGULATOR KIT RWF With the modulating operation, the burner continually adapts the Two components should be ordered: power to the request for heat, ensuring great stability for the pa- • the output regulator to install on the burner rameter controlled: temperature or pressure. -
Page 44: Appendix - Electrical Panel Layout
Appendix - Electrical panel layout Appendix - Electrical panel layout Index of layouts Reference layout Operational layout Operational layout Operational layout Operational layout Operational layout Electrical connections set by installer Electrical connections set by installer Reference layout / 1 . A 1 Sheet no. - Page 45 Appendix - Electrical panel layout 20034985...
- Page 46 Appendix - Electrical panel layout 20034985...
- Page 47 Appendix - Electrical panel layout 20034985...
- Page 48 Appendix - Electrical panel layout 20034985...
- Page 49 Appendix - Electrical panel layout 20034985...
- Page 50 Appendix - Electrical panel layout 20034985...
- Page 51 Appendix - Electrical panel layout 20034985...
- Page 52 Appendix - Electrical panel layout Key to layouts Control box Protection against radio interference Pressure probe Temperature probe UV cell (intermittent operation) Thermal cut-out Power regulator RWF Remote lock-out signal of leak detection control device Remote lock-out signal Fan motor contactor Relay Relay Fan motor...
- Page 56 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.it http:// www.riello.com Subject to modifications...