Related Manuals for Riello RS 120/EV LN
Summary of Contents for Riello RS 120/EV LN
- Page 1 Installation, use and maintenance instructions Forced draught gas burners Progressive two-stage or modulating operation Code Model 20065627 RS 120/EV LN 20062968 (2) - 03/2014...
-
Page 3: Table Of Contents
Contents Information and general instructions ..............3 Information about the instruction manual . - Page 4 Contents 4.13 Electrical connections ............... . . 26 4.13.1 Supply cables and external connections passage.
-
Page 5: Information And General Instructions
Information and general instructions Information and general instructions Information about the instruction manual 1.1.1 Introduction DANGER: CRUSHING OF LIMBS Read these instructions and save for reference! This symbol indicates the presence of moving parts: danger of crushing of limbs. These installation and operating instructions form part of the unit and must kept in good and legible- WARNING conditions on site at all times. -
Page 6: Delivery Of The System And The Instruction Manual
Information and general instructions 1.1.4 Delivery of the system and the instruction vent the regular development of the structurally established flame; manual insufficient and inappropriate surveillance and care of those When the system is delivered, it is important that: burner components most likely to be subject to wear and tear;... -
Page 7: Safety And Prevention
Safety and prevention Safety and prevention Introduction The burners have been designed and built in compliance with cur- the type and pressure of the fuel, the voltage and frequency of the rent regulations and directives, applying the known technical rules electrical power supply, the minimum and maximum deliveries for of safety and envisaging all the potential danger situations. -
Page 8: Technical Description Of The Burner
Technical description of the burner Technical description of the burner Technical data Model RS 120/EV LN RBNA code Output MAX. MBtu/hr 2282 - 4924 666 - 1443 MIN. MBtu/hr 1136 Fuel Natural gas - Max. delivery SCFH 4924 - Pressure at max. delivery “WC... -
Page 9: Fan Motor Ie2/Epact
Technical description of the burner 3.2.2 Fan motor IE2/EPACT Model RS 120/EV LN RBNA code Control circuit power supply V/Ph/Hz 120/1/60 Main electrical supply V/Ph/Hz 208 - 220/3/60 460/3/60 575/3/60 Fan motor 3500 3500 3500 208-230 Ignition transformer V1 - V2... -
Page 10: Packaging
The overall dimensions of the packaging are shown in the table. The weight of the burner complete with its packaging is shown in table. inch RS 120/EV LN 1 /8“ 7 /64“ 9 /16“ Tab. D Fig. 1 Blast tube: short - long (obtainable with kit). -
Page 11: Firing Rate
D2919 Fig. 4 Commercial boilers The RS 120/EV LN burners are suitable for operation on either the pipes are the same. flame-inversion boilers* or boilers with combustion chambers fea- After fitting the kit, ensure they work correctly by measuring the turing flow from the base (three flue passes) on which the best re- CO and flue gases emissions. -
Page 12: Burner Components
Technical description of the burner Burner components View from A 20064179 Fig. 6 Combustion head 26 Screws to secure fan to pipe coupling Burner pilot 27 Gas input pipe Screw for combustion head adjustment 28 Gas butterfly valve Maximum gas pressure switch 29 Boiler fixing flange Burner pilot attachment 30 Flame stability disc... -
Page 13: Control Box For The Air/Fuel Ratio (Lmv37.4
WARNING The LMV37.4... is a safety device! Do not open, interfere with or modify the unit. Riello S.p.A. will not assume responsibility for any damage resulting from unauthorized in- terference! All activities (mounting, installation and service work, etc.) must be performed by qualified staff. - Page 14 Technical description of the burner Technical data LMV37.4... basic unit Mains voltage AC 120 V -15 % / +10 % Mains frequency 50 / 60 Hz ±6 % Power consumption < 30 W (typically) Safety class I, with parts according to II and III to DIN EN 60730-1 Terminal loading Unit fuse F1 (internally) 6.3 AT...
- Page 15 Technical description of the burner Operation sequence of the burner Operation Startup Shutdown Valve proving TSA2 TSA1 Phase number Safety limit thermostat (STB) Control thermostat or pressurestat (R) Flame signal (FS) Air pressure switch (LP) Pressure switch-min (Pmin) Pressure switch-max (Pmax) Valve proving / leakage test (P LT) POC (alternative to Pmax) Motor (M)
-
Page 16: Actuators (Sqm33.5
Technical description of the burner 3.11 Actuators (SQM33.5...) Warning notes To avoid injury to persons, damage to proper- ty or the environment, the following warning notes should be observed! WARNING Do not open, interfere with or modify the actu- ators! ... -
Page 17: Installation
Installation Installation Notes on safety for the installation After carefully cleaning all around the area where the burner will be ELECTRICAL CONNECTIONS installed, and arranging the correct lighting of the environment, pro- CANADA: All electrical connections should be done ceed with the installation operations. in accordance with the C.E.C. -
Page 18: Preliminary Checks
Make holes in the plate shutting off the combustion chamber, as il- lustrated in Fig. 11. The position of the threaded holes can be marked using the ther- mal insulation screen supplied with the burner. inch RS 120/EV LN 21 /32“ 13 /16“ - 12 25 /32“... -
Page 19: Length Of The Blast Tube
After the start-up, check there is no leakage of flue gases into the necessary 11)-12)(Fig. 12) unless expressly requested by the external environment. boiler manufacturer. Long blast tube Model Short blast tube (with kit) RS 120/EV LN 3 /8“ “ Tab. K D9278 Fig. 12 20062968... -
Page 20: Electrode Positioning
Installation Electrode positioning To verify the correct position of the ignition electrode (Fig. 14), you Detach the combustion head from the burner, (Fig. 12): loosen the 4 screws 3) and remove the cover 1); need to separate the combustion head from the rest of the burner. ... -
Page 21: Adjustment Of The Combustion Head
Installation Adjustment of the combustion head At this point of the installation, the combustion head is fixed to the Two adjustments of the head are foreseen: air adjustment R1 boiler as shown in Fig. 16. gas adjustment R2 It is therefore especially easy to adjust, and this adjustment de- pends only on the maximum output of the burner. -
Page 22: Air Adjustment
Installation 4.7.1 Air adjustment Turn screw 4)(Fig. 17) until the notch identified is aligned with the front surface 5)(Fig. 17) of the flange. To facilitate adjustment, loosen the screw 3) (Fig. 17), adjust and then lock. CAUTION 4.7.2 Gas adjustment ... -
Page 23: Gas Adjustment
Make sure that the combustion characteristics are satisfactory and Example free of pulsations. RS 120/EV LN, burner output = 3750 MBtu/hr Once the combustion head adjustment is completed: If we consult diagram (Fig. 16) we find that for this output the ad- ... -
Page 24: Fuel Supply
Installation Fuel supply Explosion danger due to fuel leaks in the presence The fuel supply line must be installed by qualified of a flammable source. personnel, in compliance with current standards Precautions: avoid knocking, attrition, sparks and and laws. WARNING heat. -
Page 25: Gas Supply Pressure
(Fig. 22) the pressure value closest to the result you want; – read the corresponding output on the left. Example for RS 120/EV LN • Maximum output operation • Natural gas • Gas ring 2)(Fig. 17, page 20) adjust as indicated in diagram Burner output operation Fig. - Page 26 Installation PROCEDURE TO REFER BURNER OPERATING CONDITION IN HIGH ALTITUDE PLANTS Find the corrected burner capacity for the plant’s altitude in Example chart 1 and the corrected pressure in chart 2. Rated capacity = 3000 MBtu/hr - Rated air pressure = 1.5”WC. Check in the firing rate graph of the burner (Fig.
- Page 27 Installation CORRECTED BURNER AIR PRESSURE ACCORDING TO ALTITUDE Altitude m. a.s.l. 1220 1525 1830 2135 2440 Rated Pressure ft a.s.l 1000 2000 3000 4000 5000 6000 7000 8000 0.50 0.49 0.50 0.51 0.53 0.55 0.57 0.59 0.62 0.64 0.67 1.00 0.99 1.00 1.02...
-
Page 28: Electrical Wiring
Installation 4.12 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 carried out by qualified personnel and in compliance with the regulations currently in force in the country of destination. -
Page 29: Supply Cables And External Connections Passage
Installation 4.13.1 Supply cables and external connections passage All the cables to be connected to the burner are fed through the grommets. See figure Fig. 23. The use of the cable grommets can take various forms. By way of example we indicate the following mode (according to UL795): Three phase power supply with inch cable grommet... -
Page 30: 4.13.2 Adjustment Of Speed Sensor
Installation 4.13.2 Adjustment of speed sensor The measurement of speed sensor 1) (Fig. 25) must be respected! WARNING It is important that the disc 2) is installed on the burner as shown in the Fig. 26. D9323 WARNING Fig. 25 D9408 Fig. -
Page 31: 4.14 Motor Connection At 208-230 Or 460V
Installation 4.14 Motor connection at 208-230 or 460V Please, pay attention to the indications in case of modification of the motors, manufactured for 208-230/460 IE2/Ep- voltage, maintenance, or substitution. act voltage, have a different connection than IE1 motors, no more star/delta but WARNING star/double star. -
Page 32: Start-Up, Calibration And Operation Of The Burner
Start-up, calibration and operation of the burner Start-up, calibration and operation of the burner Adjust the air pressure switch (Fig. 32) to the start of the scale. Notes on safety for the first start-up The first start-up of the burner must be carried out by qualified personnel, as indicated in this manual and in compliance with the standards and WARNING... -
Page 33: Burner Start-Up
Start-up, calibration and operation of the burner Burner start-up Feed electricity to the burner via the disconnecting switch on the For the start-up procedure and the parame- boiler panel. ters calibration, refer to the specific instruc- Close the thermostats/pressure switches and turn the switch of tion manual of the LMV37... -
Page 34: Maximum Gas Pressure Switch
Start-up, calibration and operation of the burner 5.4.2 Maximum gas pressure switch On the right, the flame’s intensity is displayed as a percentage. Example: 954: 0.0 Adjust the maximum gas pressure switch after having performed all other burner adjustments with the maximum gas pressure switch set to the end of the scale (Fig. -
Page 35: Maintenance
Maintenance Maintenance Notes on safety for the maintenance The periodic maintenance is essential for the good operation, safe- ty, yield and duration of the burner. Disconnect the electrical supply from the burner by It allows you to reduce consumption and polluting emissions and to means of the main system switch. -
Page 36: Recommended Preventive Maintenance Schedule
Maintenance Recommended preventive maintenance schedule Operation and maintenance instructions are intended for general applications. For specific operating and maintenance instructions, consult the equipment manufacturer. Test/Inspection Frequency Check gages, monitors, and indicators DAILY Check instrument and equipment settings DAILY Check burner flame DAILY Check igniter WEEKLY... -
Page 37: Opening The Burner
Maintenance Opening the burner Closing the burner In order to close the burner, re-install all components with re- Disconnect the electrical supply from the bur- verse procedure: ner. remove the 2 extensions 9) and re-screw the screws 8) on the guides 4) ;... -
Page 38: A Appendix - Spare Parts
Appendix - Spare parts Appendix - Spare parts 20062968... - Page 39 Appendix - Spare parts CODE DESCRIPTION 3013921 COVER 3012794 INSPECTION WINDOW 3013924 SEAL 3013923 BUTTON 3013925 VIEWING PORT 3014081 BRACKET 20010967 AZL DISPLAY 20010968 ELECTRONIC CAM 3012956 TRANSFORMER 20010963 SWITCH 3013501 SPEED SENSOR 20010962 SWITCH 3012841 BASE 3012948 AIR PRESSURE SWITCH 3014080 BRACKET 3003949...
- Page 40 Appendix - Spare parts CODE DESCRIPTION 3012417 SHUTTER 3012415 END CONE 3003991 FLANGE GASKET 3003322 CONNECTOR 20043700 MANIFOLD 3006211 FUSE 3013940 CONNECTORS ASSEMBLY 3013937 3014011 DISC 3013939 INDEX 3012413 FRONT PIECE 3003396 UV PHOTOCELL 20031413 HORN 20010972 RWF40 ASSEMBLY 3013087 U BOLT ADVISED PARTS = Spare parts for minimum fittings...
-
Page 41: B Appendix - Accessories (Optional)
Appendix - Accessories (optional) • Tubes kit Burner Code RS 120/EV LN 3010248 • Gas train according to UL Standards The installer is responsible for the supply and installation of any required safety device(s) not indicated in this manual. WARNING... - Page 44 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.it http:// www.riello.com RIELLO BURNERS NORTH AMERICA 1-800-4-RIELLO 35 Pond Park Road 2165 Meadowpine Blvd Hingham, Massachusetts, 1-800-474-3556 Mississauga, Ontario U.S.A. 02043 Canada L5N 6H6 http://www.riello.ca Subject to modifications...
Need help?
Do you have a question about the RS 120/EV LN and is the answer not in the manual?
Questions and answers