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Table of Contents
Related Manuals for Riello RS 280
Summary of Contents for Riello RS 280
- Page 1 Installation, use and maintenance instructions Forced draught gas burners Progressive two stage or modulating operation CODE MODEL 20125096 - 20125099 - 20125100 RS 280/E 20125102 - 20125104 RS 310/E 20125105 - 20125106 RS 410/E 20125107 - 20125109 RS 510/E 20122392 (1) - 11/2016...
- Page 2 Original instructions...
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Page 3: Table Of Contents
Electrode and ignition pilot adjustment (RS 280/E model)........ - Page 4 Contents Adjustments before first firing ..............29 Burner firing .
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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: manual – the use of the system; – 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 Burner models designation Model Code RBNA Code Voltage Fan motor starting Flame safeguard 20125096 230/3/60 20121842 RS 280/E 20125099 460/3/60 Direct Burner mounted 20125100 20122568 575/3/60 20125102 20121846 460/3/60 RS 310/E... - Page 9 Technical description of the burner Model RS 410/E RS 510/E 1.172 4.719 4.247* 1.465 5.627 5.064* High Mbtu/hr 4.000 16.100 14.490* 5.000 19.200 17.280* Output delivery Mbtu/hr 1.635 2.000 Fuel Natural gas Gas max. delivery SCFH 15.941 19.010 Gas pressure at max delivery "WC 26.0 32.6...
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Page 10: Electrical Data
Technical description of the burner Electrical data Fan motor and pump motor IE3/NEMA PREMIUM EFFICIENCY Model RS 280/E RS 310/E Control circuit power supply V/Ph/Hz 120/1/60 Main power supply (+/- 10%) V/Ph/Hz 230-460/3/60 575/3/60 460/3/60 575/3/60 Fan motor 3520 3520... -
Page 11: Packaging - Weight - Approximate Measurements
The overall dimensions of the packaging are shown in the Tab. E. The weight of the burner complete with its packaging is shown in Tab. E. inch RS 280/E 71” 45” 16“ RS 310/E 80”... -
Page 12: Burner Dimensions
R. Bear in mind that inspection of the combustion head requires the burner to be opened by rotating the rear part on the hinge. 20126330 Fig. 2 inch RS 280/E " " 6 " 10 " " ANSI 3" 19 "... -
Page 13: Burner Description
Technical description of the burner Burner description 4 20 20125666 Fig. 3 Lifting eyebolts 24 Reset button 25 Transparent protection Fan motor 26 Pilot gas train attachment Air servomotor The burner can be opened either on the right or left Gas pressure test point sides, irrespective of the side from which fuel is sup- Combustion head... -
Page 14: Panel Board Description
Technical description of the burner 3.7.1 Panel board description 20124955 Fig. 4 Electrical control box 27 Earth terminal ON/OFF selector 28 Fan motor sheath LOCAL/REMOTE selector 29 Available for step down transformer ALARM SILENCE push-button 30 Available Output power regulator 31 Timer for Star/Triangle Start-up POWER ON light signal 32 Star/Triangle Start-up line contactor... -
Page 15: Firing Rates
Technical description of the burner Firing rates Maximum output must be selected in the hatched area of the dia- Model MBtu/hr gram (Fig. 5). RS 280/E 2.600 Minimum output must not be lower than the minimum limit shown RS 310/E 3.500 in the diagram. -
Page 16: Procedure To Refer Burner Operating Condition In High Altitude Plants
Technical description of the burner 3.8.1 Procedure to refer burner operating condition Example in high altitude plants – Rated Capacity = 5000 MBtu/hr – Rated Air Pressure = 2.61 “WC Find the CORRECTED BURNER CAPACITY for the plant’s alti- – Reference Altitude = 328 ft tude in chart 1 and the CORRECTED PRESSURE in chart 2. -
Page 17: Minimum Furnace Dimensions
Technical description of the burner 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 0.39 0.73 1.08 1.46 1.87 2.76 3.24 3.75 0.39 1.56 1.45... -
Page 18: 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 19 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 20 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 21: 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 22: 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 23: Preparing The Boiler
For boilers with front flue passes 1)(Fig. 18 on page 23) or flame in- version chamber, a protection in refractory material 5) must be in- serted between the boiler fettling 2) and the blast tube 4). inch The refractory can have a conical shape (minimum 60°). RS 280/E coarse 4” 16” 4”... -
Page 24: Accessibility To The Interior Of The Combustion Head
B). Fig. 13 20069489 Electrode and ignition pilot adjustment (RS 280/E model) Place the pilot and electrodes as shown in Fig. 15. 1 7 / 1 6 " Fig. 14... -
Page 25: Combustion Head Setting
NOTE: Depending on the specific application, the adjustment can be modified. The combustion head can be adjusted within the fol- lowing fields: RS 280/E: 0 - 12; 20078516 Fig. 17 WARNING RS 310/E: 0 - 11; RS 410/E: 0 - 8;... -
Page 26: Gas Feeding
Installation 4.11 Gas feeding 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 and laws. Precautions: avoid knocking, attrition, sparks and WARNING heat. -
Page 27: Gas Pressure
Installation 4.11.2 Gas pressure MBtu/hr ( GCV ) 1 ∆p ("WC) 2 ∆p ("WC) The Tab. J shows minimum pressure losses along the gas supply 2.600 0,01 line depending on the maximum burner output operation. 3.500 0,02 The values shown in the Tab. J refer to natural gas (GCV). 4.500 0,03 Column 1... -
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 4.12.1 Supply cables and external connections 4.13 Thermal relay calibration passage 4.13.1 Electronic thermal relay If the cover is still present, remove it and proceed with the electrical To reset, in the case of an intervention of the thermal relay, wiring. -
Page 30: 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 IE3 voltage, maintenance, or substitution. NEMA Premium Efficiency voltage, have the same connection than IE2/Epact motors, but differ- ent connection than IE1 motors no more star/delta WARNING but star/double star. -
Page 31: 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 32: 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 specific manual for this operation. Turn the switch of Fig. -
Page 33: Final Calibration Of The Pressure Switches
Final calibration of the pressure switches 5.7.1 Air pressure switch For the RS 280 model, the air pressure switch is connected in dif- ferential mode and is activated by both the negative pressure of the air intake and the positive pressure from the fan. -
Page 34: Steady State Operation
Start-up, calibration and operation of the burner 5.7.4 Steady state operation The burner shuts off when demand for heat is less than the heat supplied by the burner in the MIN output. At the end of the starting cycle, the servomotor control then passes ... -
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: Opening The Burner
Maintenance Boiler GAS OPERATION Clean the boiler as indicated in its accompanying instructions in or- der to maintain all the original combustion characteristics intact, es- Gas leaks pecially the flue gas temperature and combustion chamber Make sure that there are no gas leaks on the pipework between the pressure. -
Page 37: A Appendix - Spare Parts
Appendix - Spare parts Appendix - Spare parts 20122392... - Page 38 Appendix - Spare parts CODE DESCRIPTION 20075046 • TUBE 20109355 • • • TUBE 20118164 • ELECTRODE 20032433 • • • ELECTRODE 3012282 • ELECTRODE CONNECTION 3012722 • • • ELECTRODE CONNECTION 3012258 • • • • INSULATOR 20123895 • IGNITION PILOT TUBE 20123901 •...
- Page 39 Appendix - Spare parts CODE DESCRIPTION 20042608 • MOTOR 10,2HP 575V 20013156 • MOTOR 12,4HP 460V 20124287 • MOTOR 12,4HP 575V 20124588 • MOTOR 14,8HP 460V 20124359 • MOTOR 14,8HP 575V 20086579 • • • • PHOTOCELL 20006192 • 3003614 •...
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Page 40: B Appendix - Accessories
Appendix - Burner start up report Appendix - Burner start up report Model number: Serial number: Project name: Start-up date: Installing contractor: Phone number: GAS OPERATION : Low Fire Gas Supply Pressure: High Fire : Low Fire Main Power Supply: High Fire Control Power Supply: CO: 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...