Riello RLS 100 Installation, Use And Maintenance Instructions
Dual fuel gas oil/ gas burners
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- Installation, use and maintenance instructions (8 pages) ,
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Summary of Contents for Riello RLS 100
- Page 1 Installation, use and maintenance instructions Dual fuel gas oil/ gas burners Two stage operation CODE MODEL TYPE 20032836 - 20034847 RLS 70 687T1 20032998 - 20034878 RLS 100 688T1 20033000 - 20034879 RLS 130 689T1 20033295 (3) - 09/2012...
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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 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 Combustion head setting ............................27...
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Page 5: Declaration
Via Pilade Riello, 7 37045 Legnago (VR) Product: Dual fuel gas oil/ gas burners Model: RLS 70 - RLS 100 - RLS 130 These products are in compliance with the following Technical Standards: EN 676 EN 267 EN 12100 and according to the European Directives:... -
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
Bio fuel delivery. If this is not completed then due to the In no event shall Riello (and its subsidiaries) be liable for any in- hydroscopic nature of Bio fuel, it will effectively clean the... -
Page 9: Safety And Prevention
Safety and prevention Safety and prevention Introduction The burners have been designed and built in compliance with the type and pressure of the fuel, the voltage and frequency of the current regulations and directives, applying the known technical electrical power supply, the minimum and maximum deliveries for rules of safety and envisaging all the potential danger situations. -
Page 10: Technical Description Of The Burner
110V / 50-60Hz 3/230-400/50 230/50 BASIC DESIGNATION EXTENDED DESIGNATION Models available Designation Electrical supply Code RLS 70 3/230-400/50 20032836 RLS 70 3/230-400/50 20034847 RLS 100 3/230-400/50 20032998 RLS 100 3/230-400/50 20034878 RLS 130 3/230-400/50 20033000 RLS 130 3/230-400/50 20034879 20033295... -
Page 11: Technical Data
Technical description of the burner Technical data Model RLS 70 RLS 100 RLS 130 Type 687T1 688T1 689T1 Output stage 465 - 814 698 - 1163 930 - 1395 Delivery kg/h 39 - 69 59 - 98 78 - 118 min. -
Page 12: Countries Of Destination - Burner Categories
Technical description of the burner Motor IE2 Model RLS 70 RLS 100 RLS 130 Electrical supply V/Ph/Hz 230-400/3N/50 Auxiliary power supply V/Ph/Hz 230/3/50 Fan motor 2860 2860 2860 230/400 230/400 230/400 4.1/2.4 5.5/3.4 7.9/4.6 Pump motor 220/240 Pump motor capacitor µF... -
Page 13: Overall Dimensions
1 - Spare parts list In case of use with gas oil containing up to 10% Bio blend, it will be essential to use flexible oil lines suitable for bio fuel use. Please contact Riello for further information. WARNING 20033295... -
Page 14: Firing Rates
MINIMUM OUTPUT must not be lower than the minimum limit shown in the diagram: Model kg/h RLS 70 RLS 100 29.5 RLS 130 The firing rate value (Fig. 3) has been obtained considering an ambient temperature of 20 °C, an atmospheric pressure of 1013 mbar (approx. -
Page 15: Burner Description
Technical description of the burner 4.11 Burner description Combustion head Ignition electrodes Screw for combustion head adjustment Sleeve Relay Fan motor Motor contactor and thermal cut-out with reset button LED PANEL Terminal strip 10 Fairleads for electrical connections by installer 11 Two switches: - one “burner off - on”... -
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
Long 12)(Fig. 9) is not required unless it is expressly requested by the RLS 70 boiler manufacturer. RLS 100 RLS 130 Securing the burner to the boiler Detach the combustion head from the burner: Only for long blast tube burner: remove the screws 2) and ... -
Page 19: Nozzle Installation
In order to guarantee that emissions do not vary, recommended Fitting the spanner through the central hole in the flame sta- and/or alternative nozzles specified by Riello in the Instruction bility disk or loosen screws 1)(Fig. 13). and warning booklet should be used. -
Page 20: Servomotor
Installation The nozzle for the 1st stage of operation is the one lying beneath the firing electrodes (Fig. 14). 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. -
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
Bio blend, it will be essential to use flexible oil Before starting the burner, make sure that the lines suitable for bio fuel use. tank return line is not clogged. Please contact Riello for further information. WARNING Obstructions in the line could cause the seal- WARNING ing organ located on the pump shaft to break. -
Page 24: Gas Supply
Installation 5.15 Gas supply 5.15.1 Gas line The gas train must be connected to the gas attachment 1)(Fig. 23), using flange 2), gasket 3) and screws 4) supplied with the burner. The gas train can enter the burner from the right or left side, de- pending on which is the most convenient, see Fig. -
Page 25: 5.15.2 Gas Train
It is type-approved according to EN 676 Standards and is sup- plied separately from the burner with the code indicated in Tab. M. Gas train - L (Fig. 24) Burner Ø C.T. Code RLS 70 RLS 100 RLS 130 Code Code 1” 1/2 3970153 • • •... - Page 26 2 mbar 11.2 - 2 = 9.2 mbar stage output of 955 kW shown in Tab. N RLS 100 corre- sponds to 9.2 mbar pressure, column 1, gas G20. This value serves as a rough guide, the effective delivery must be measured at the gas meter.
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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- The burners are factory set for two-stage operation and must cant increase in power absorption caused by a missing phase. therefore be connected to control device TR. -
Page 29: Start-Up, Calibration And Operation Of The Burner
Turn screw 5)(Fig. 29) until the notch shown in diagram (Fig. 30) is level with the front surface of flange 6). Example burner RLS 100: stage burner delivery = 72 kg/h. If diagram (Fig. 30) is consulted it is clear that for this delivery, the combustion head must be adjusted using notch 3, as shown in Fig. -
Page 30: Adjustment Before First Firing (Gas Operation)
Start-up, calibration and operation of the burner Combustion head stage fan air gate valve The adjustment of the combustion head already carried out Keep the burner operating at 1st stage by setting the switch (page 27) need not be altered unless the 2 stage delivery of the 2)(Fig. -
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: Air Pressure Switch - Co Check
Start-up, calibration and operation of the burner ber during pre-purging prevents the air pressure switch from 7.7.4 Air pressure switch - CO check switching, switching may be obtained by fitting a second pipe be- Adjust the air pressure switch after having performed all other tween the air pressure switch and the suction inlet of the fan. -
Page 33: Burner Operation
Start-up, calibration and operation of the burner Burner operation 7.9.2 Led panel NORMAL FIRING (n° = seconds from instant 0) The burners are fitted with an electronic device, which supplies a diagnostic of burner status. It provides 6 data items signalled by the leds lighting up. See Fig. -
Page 34: Lpg - Propane - Butane Operation
Start-up, calibration and operation of the burner 7.10 LPG - Propane - Butane operation The burners can also operate on LPG-Propane- Butane gases. In this case it is necessary to assemble the nozzles 2)(Fig. 41) on the holes 1) and the caps 3) on the small pipes 4) supplied with the burner. -
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 Combustion GAS OIL OPERATION In case the combustion values found at the beginning of the inter- vention do not respect the standards in force or, in any case, do Filters not correspond to a proper combustion, contact the Technical Check the filtering baskets on line and at nozzle present in the Assistant and have him carry out the necessary adjustments.
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Page 37: Opening The Burner
Maintenance Opening the burner Only for long blast tube burner: remove the screws 9) and install the two extension bars 8) onto the slide bars 4); then Disconnect the electrical supply from the fix the screw 9). burner. Disconnect the electrode leads and then pull the burner fully DANGER back. -
Page 38: 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 39 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 40 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 41 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...
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Page 42: Appendix - Accessories (Optional)
GAS TRAINS APPROVED ACCORDING TO EN 676 3010345 RLS 70 Refer to the instruction manual. 3010346 RLS 100 3010347 RLS 130 DEGASSING UNIT It may occur that a certain amount of air is contained in the fuel sucked up by the pump. -
Page 43: B Appendix - Electrical Panel Layout
Appendix - Electrical panel layout Appendix - Electrical panel layout ELECTRICAL EQUIPMENT FACTORY-SET D11072 Fig. 1 UV cell The burners leave the factory preset for 400 V stage oil valve power supply. stage oil valve If 230 V power supply is used, change the motor Safety oil valve WARNING connection from star to delta and change the set-... - Page 44 50Hz 400/230V 50Hz 230V D11128 50Hz 230V Fig. 2 RLS 100-130 - WITH VPS LEAK DETECTION CONTROL DEVICE D11129 Fig. 3 Key to layout (Fig. 2 - Fig. 3) stage hour counter Gas valve leak detection control takes place im- stage hour counter mediately before every burner start-up.
- Page 48 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.it http:// www.rielloburners.com Subject to modifications...