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Related Manuals for Riello RX 2500 S/E
Summary of Contents for Riello RX 2500 S/E
- Page 1 Installation, use and maintenance instructions Premix gas burners Progressive two stage or modulating operation CODE MODEL 20137777 - 20137778 RX 2500 S/E 20137779 - 20137780 RX 3000 S/E CODE COMBUSTION HEAD ASSEMBLY 20133660 RX 2500 S/E 20140481 RX 3000 S/E...
- Page 2 Original instructions...
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Page 3: Table Of Contents
Contents Information and general instructions ..............3 Information about the instruction manual . - Page 4 Contents Burner start-up................29 Combustion air adjustment .
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Page 5: Information And General Instructions
Information and general instructions Information and general instructions 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 be away from moving mechanical parts;... -
Page 6: Delivery Of The System And The Instruction Manual
Information and general instructions 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 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 RX 2500 S/E RX 3000 S/E High Btu/hr 10,500.000 11,500.000 Output Btu/hr 1.380,000 1.890,000 Fuel Natural gas - Max delivery SCFH 10,396 11,386 - Pressure at maximum delivery natural gas “WC... -
Page 9: Packaging - Weight - Approximate Measurements
The overall dimensions of the packaging are shown in the Tab. The weight of the burner complete with its packaging is shown in Tab. D. Inch RX 2500 S/E 8” 8” RX 3000 S/E Fig. 1 8”... -
Page 10: Burner Equipment
(expressed in ppm@3% O Riello Burners Sub 30 Sub 20 Sub 9 All models 8.5 ~ 8.75 5.8 ~ 5.4 8.0 ~ 8.5 6.7 ~ 5.8 7.25 ~ 7.75 8.0 ~ 7.1 RX 2500 S/E 20140532 Output (MBtu/h) Fig. 3 20140257... - Page 11 Technical description of the burner RX 3000 S/E 20140532 Output (MBtu/h) Fig. 4 20140257...
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Page 12: Procedure To Refer Burner Operating Condition At An Altitude And/Or At A Combustion Supporter Air Temperature Different To The Standard Values (328 Ft Above Sea Level, 68 °F)
Technical description of the burner 3.7.1 Procedure to refer burner operating condition at an altitude and/or at a combustion supporter air temperature different to the standard values (328 ft above sea level, 68 °F). AIR TEMPERATURE Altitude Altitude bar. press. bar. press. °C ft a.s.l. -
Page 13: Burner Description
Technical description of the burner Burner description 20167887 Fig. 5 Lifting rings 25 Gas train adapter 26 Indication for checking the rotation direction of the purging Fan motor motor Air damper servomotor 27 Fixing flange with insulating panel Combustion head gas pressure test point 28 Transparent protection Combustion head 29 Reset button... -
Page 14: Electrical Panel Description
Technical description of the burner Electrical panel description 20141383 20141384 Fig. 6 Electrical control box 24 Alarm silence ON/OFF selector 25 Power ON Output regulator 26 Call for heat Earth terminal 27 Alarm Supply cables and external connections passage. See section 28 Ignition ON “Electrical wiring”... -
Page 15: 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 inter- ference! All activities (mounting, installation and service work, etc.) must be performed by qualified staff. - Page 16 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 17 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)
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Page 18: Actuators (Sqm33.5
Technical description of the burner 3.11 Actuators (SQM33.5...) Warning notes To avoid injury to persons, damage to property or the environment, the following warning notes should be observed! WARNING Do not open, interfere with or modify the actua- tors! All activities (mounting, installation and service work, etc.) must be performed by qualified staff. -
Page 19: Installation
Installation Installation Notes on safety for the installation After carefully cleaning all around the area where the burner will be The installation of the burner must be carried out by installed, and arranging the correct lighting of the environment, pro- qualified personnel, as indicated in this manual and ceed with the installation operations. -
Page 20: Operating Position
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. 20122771 Inch RX 2500 S/E 2” 16” 32” RX 3000 S/E 2”... -
Page 21: Securing The Burner To The Boiler
Installation Securing the burner to the boiler Prepare a suitable lifting system using the 20122719 rings 3)(Fig. 12), after removing the fixing screws 7) of the casing 8). Prepare a suitable lifting system using the rings 3)(Fig. 12) of the head assembly. -
Page 22: Position Of Electrode - Flame Sensor
Installation Position of electrode - flame sensor Check that the electrode is positioned as in Fig. 14, respecting the indicated dimensions. WARNING The burner is equipped with a flame sensor 1)(Fig. 15). This is fixed on an adaptor 2) with glass 3) and gasket 4). 3 . -
Page 23: Access To Head Internal Part
Installation Access to head internal part The burner leaves the factory set for opening to the left, therefore maintaining the pin 1)(Fig. 16) in the housing. To open the burner towards the left, proceed as follows: disconnect the plug/socket 9)(Fig. 16) of the maximum gas pressure switch;... -
Page 24: Gas Butterfly Valve
Installation 4.10 Gas butterfly valve If necessary, replace the gas butterfly valve. The correct position is shown in Fig. 19. 20078516 Fig. 19 20140257... -
Page 25: Gas Feeding
Installation 4.11 Gas feeding Explosion danger due to fuel leaks in the presence of a flammable source. Precautions: avoid knocking, attrition, sparks and GAS PILOT LINE 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 26: Gas Pressure
Installation 4.12 Gas pressure shows minimum load losses at combustion head (p1) and gas butterfly valve (p2) depending on the maximum burner output op- eration with natural gas and LPG. p1 - Gas pressure is measured at the test point 1)(Fig. 22), with: –... -
Page 27: Electrical Wiring
Installation 4.13 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 28: Thermal Relay Calibration
Installation 4.14 Thermal relay calibration Depending on the burner type, there are two different thermal re- 4.14.2 Electronic thermal relay lays: To reset, in the case of an intervention of the thermal relay, – Electro-mechanical thermal relay (used for single phase mo- press the button “RESET”... -
Page 29: Motor Connection At 208-230 Or 460V
Installation 4.15 Motor connection at 208-230 or 460V WARNING: the motors, manufactured for 208-230/460 IE3/Nema Premium Efficiency voltage, have a different connection than IE1 motors, no more star/delta but star/double star. Please, pay attention to the indications in case of modification of voltage, maintenance, or substitution. IE3/Nema D3686 S8380... -
Page 30: 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 ball valve closed”... -
Page 31: 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 boiler panel. Close the thermostats/pressure switches, set the parameters on the RWF55 regulator. Please refer to the spacific manual for this operation. Turn the switch of Fig. -
Page 32: Final Calibration Of The Pressure Switches
Start-up, calibration and operation of the burner NOTE The first start-up and curve synchronization manual is supplied with the burner. The first start-up and all further operations concerning internal set- tings of the control system or expansion of basic functions, are ac- The complete manual for checking and setting all parameters will cessed with a password and are reserved for technical service be provided on application. -
Page 33: Air Filter Pressure Switches (In Case Of Use Of Air Filter)
Start-up, calibration and operation of the burner 5.6.4 Air filter pressure switches (in case of use of air filter) In addition to the air pressure switch, the burner is equipped with two additional air pressure switches (Fig. 38) used for the control of the air filter condition. -
Page 34: Flame Signal Measurement
Start-up, calibration and operation of the burner Flame signal measurement Check the flame signal through the parameter 954, as indicated in Fig. 39. The displayed value is expressed in percentage. The value during the operation must be higher than 24%. If at the burner start-up the value is higher or equal of 18%, the burner locks out due to the extraneous light. -
Page 35: Maintenance
Maintenance Maintenance Notes on safety for the maintenance The periodic maintenance is essential for the good operation, safe- Before carrying out any maintenance, cleaning or checking opera- ty, yield and duration of the burner. tions: It allows you to reduce consumption and polluting emissions and to keep the product in a reliable state over time. -
Page 36: Safety Components
Technical Assis- tant and have him carry out the necessary adjustments. NOx expected emissions on Natural Gas (expressed in ppm@3% O Riello Burners Sub 30 Sub 20 Sub 9 All models 8.5 ~ 8.75... - Page 37 Maintenance Flame sensor Be extremely careful while troubleshooting the In order to reach the flame sensor (Fig. 40), proceed as follows: detector; line voltage is present on some of the extract the flame sensor 1); terminals when power is on. ...
- Page 38 Appendix - Spare parts Appendix - Spare parts 20140257...
- Page 39 Appendix - Spare parts COD. DESCRIPTION BURNER SERIAL NUMBER 20124800 IGNITION PILOT TUBE • • • • 3005447 TEST POINT • • • • 20141476 GAS DIFFUSER • • • • 20027018 RED SIGNAL LIGHT • • • • 20036019 WHITE SIGNAL LIGHT •...
- Page 40 Appendix - Spare parts COD. DESCRIPTION BURNER SERIAL NUMBER 20115421 OVERLOAD • • • 20115409 OVERLOAD • 20027021 SELECTOR SWITCH • • • • 3007079 SEAL • • • • 20010968 ELECTRONIC CAM • • • • 20133154 LEVER ASSEMBLY •...
- Page 41 Appendix - Spare parts COMBUSTION HEAD ASSEMBLY COD. DESCRIPTION BURNER SERIAL NUMBER 20124967 FLANGE GASKET • • 20167947 COMBUSTION HEAD • 20167948 COMBUSTION HEAD • 20124780 SEAL • • 20155045 FLANGE • • 20124845 FLANGE INSULATION • • 20155042 ELECTRODE •...
- Page 42 Appendix - Accessories Appendix - Accessories Gas train according to UL Standards The installer is responsible for the supply and instal- lation of any required safety device(s) not indicated in this manual. WARNING Filter + Filter cover Burner Code RX 2500-3000 S/E 20141720 20140257...
- Page 43 Appendix - Burner start up report Appendix - Burner start up report Model number: Serial number: Project name: Start-up date: Installing contractor: Phone number: Model number: Serial number: Project name: Start-up date: Installing contractor: Phone number: GAS OPERATION : Low Fire Gas Supply Pressure: High Fire : Low Fire...
- Page 44 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.com RIELLO BURNERS NORTH AMERICA http://www.riello.ca 35 Pond Park Road 2165 Meadowpine Blvd Hingham, Massachusetts, Mississauga, Ontario U.S.A. 02043 1-800-4-RIELLO Canada L5N 6H6 Subject to modifications...