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Summary of Contents for Riello RS 28/E
- Page 1 Installation, use and maintenance instructions Forced draught gas burners Progressive two stage or modulating operation CODE MODEL C9321400 RS 28/E 20104515 RS 38/E 20044359 (8) - 07/2021...
- 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 Notes on safety for the maintenance ............. . 26 Maintenance programme.
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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: Guarantee And Responsibility
Information and general instructions Delivery of the system and the instruction manual ................... When the system is delivered, it is important that: The instruction manual is supplied to the user by the system ................... manufacturer, with the recommendation to keep it in the room ................... -
Page 7: Safety And Prevention
Safety and prevention Safety and prevention Introduction The burners have been designed and built in compliance with facturer; current regulations and directives, applying the known technical the type and pressure of the fuel, the voltage and frequency of rules of safety and envisaging all the potential danger situations. the electrical power supply, the minimum and maximum deliv- eries for which the burner has been regulated, the pressurisa- It is necessary, however, to bear in mind that the imprudent and... -
Page 8: Technical Description Of The Burner
Technical description of the burner Technical description of the burner Technical data Model RS 28/E RS 38/E Output High MBtu/hr 617 - 1232 880 - 1665 181 - 361 258 - 488 MBtu/hr Fuel Natural or propane gas • Max delivery... -
Page 9: Burner Description
Technical description of the burner Burner description D12063 34 43 Fig. 1 Combustion head 20 Flame inspection window 40 Holes for cable grommets for electrical wiring for accessories (to be carried Ignition pilot 21 Button “Alarm silence” out by the installer) Screw for combustion head adjustment 22 Fan motor contactor and thermal relay 41 Gas actuator... -
Page 10: Packaging - Weight
Packaging - weight The burners are skid mounted. Outer dimensions of packaging are indicated in (Tab. D). The weight of the burner complete with packaging is indicated in (Tab. D). inch RS 28/E 4“ 8“ 32“ RS 38/E 4“ 8“... -
Page 11: Firing Rate
17. shown in the diagram. WARNING Model MBtu/hr RS 28/E RS 38/E 20106406 Firing rate for C-UL Canadian Listing (CNL) - 1969 MBtu/hr Firing rate for C-UL Canadian Listing (CNL) - 1969 MBtu/hr Fig. -
Page 12: Minimum Furnace Dimensions
Technical description of the burner Minimum furnace dimensions The firing rates were set in relation to certified test boilers. Example Fig. 5 indicates the diameter and length of the test combustion Output 1388 MBtu/hr: diameter 20 inch - length 4.9 ft chamber. -
Page 13: Control Box For The Air/Fuel Ratio (Lmv37.4
Technical description of the burner 3.10 Control box for the air/fuel ratio (LMV37.4...) Warning notes To avoid injury to persons, damage to property or the environment, the following warning notes must be observed! WARNING The LMV37.4... is a safety device! Do not open, interfere with or modify the unit. - 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)
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Page 16: 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 17: Installation
(i.e. a free, safe area to which inch you can quickly move if the burner should fall). During the handling, keep the load at not more than 10” from the RS 28/E 32“ 16“ ground. -
Page 18: Blast Tube Length
The range of lengths available, L (inch), is as follows: Model (short blast tube) (long blast tube) RS 28/E “ “ RS 38/E “ “ For boilers with front flue passes 6) or flame inversion cham- bers, protective insulation 4) must be inserted between the boiler refractory 5) and the blast tube 3). -
Page 19: Combustion Head Setting
1 or 2 notches. Continuing with the previous example, Tab. G indicates that for burner RS 28/E with output of 990 MBtu/hr a pressure of approxi- Burner max output mately 2.2” WC is necessary at test point 6)(Fig. 12). -
Page 20: Gas Piping
Installation Gas piping The main gas train must be connected to the gas attachment 1)(Fig. 14), using flange 2), gasket 3) and screws 4) supplied with the burner. The main gas train can enter the burner from the right or left side, depending on which is the most convenient. -
Page 21: 4.11 Gas Pressure
The Tab. G is used to calculate manifold pressure taking into ac- count combustion chamber pressure. p (“ WC) Model MBtu/hr 0.98 0.98 1.22 1.57 1.69 D2786 1.85 2.05 RS 28/E 2.17 2.28 1078 2.48 2.68 1174 2.76 3.07 1232 2.95 3.58 1.02 1.02... -
Page 22: 4.12 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 23: 4.13 Thermal Relay Calibration
Installation 4.13 Thermal relay calibration Depending on the burner type, there are two different thermal re- 4.13.2 Electronic thermal relay lays: To reset, in the case of an intervention of the thermal relay, – Electro-mechanical termal relay (used for single phase motors) press the button “RESET”... -
Page 24: 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 by qualified personnel, as indicated in this manual Refer to paragraph “Safety test - with gas ball and in compliance with the standards and regula- valve closed”... -
Page 25: Burner Calibration
Start-up, calibration and operation of the burner Burner calibration The optimum calibration of the burner requires an analysis of the Minimum burner output flue gases at the boiler outlet. Intermediate outputs between low and high fire Air pressure switch Adjust successively: ... -
Page 26: Air Pressure Switch
Start-up, calibration and operation of the burner Air pressure switch The air pressure switch is connected in differential (Fig. 28) and is activated by both the negative pressure of the air intake and the air pressure from the fan. Adjust the air pressure switch (Fig. 27) after having performed all other burner adjustments with the air pressure switch set to the min. -
Page 27: 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. 30. The displayed value is expressed in percentage. For further and specific information, please refer to the specific in- struction manual. -
Page 28: 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 29 Maintenance Flame inspection window UV scanner Clean the flame inspection window (Fig. 31). Clean the glass cover from any dust that may have accumulated. In order to reach the UV scanner, extract the flame sensor 1)(Fig. 32). D484 Fig. 31 D10440 Fig.
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Page 30: Opening The Burner
Maintenance Opening the burner 4" Switch off the electrical power. WARNING To open the burner proceed as follows: remove the screws 2)(Fig. 33) from the slide bars 3); install the extension bars 4); remove screw 1) and pull the burner back on slide bars 3) by about 4”... -
Page 31: A Appendix - Spare Parts
Appendix - Spare parts Appendix - Spare parts 20044359... - Page 32 Appendix - Spare parts CODE DESCRIPTION • 3003760 • 3012986 • • 3014194 GRADUATE SECTOR • • 3003830 SOUND DAMPING • • 20060108 AIR INTAKE • • 20027023 SWITCH • • 3012988 CONDENSER • • 20010962 BUTTON • • 20027013 LIGHT SIGNAL •...
- Page 33 Appendix - Spare parts CODE DESCRIPTION • • 3013002 SUPPORT • • 3007088 SEAL • • 3003863 PLUG • • 20019263 • • 20027030 AIR DAMPER ASSEMBLY • • 3003873 TEST POINT • • 3003797 CONTROL DEVICE • • 3003798 FRONT PIECE •...
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Page 34: B Appendix - Accessories
Appendix - Accessories Appendix - Accessories • Kit for LPG operation The kit allows the burner to operate on LPG. Burner MBtu/hr Code RS 28/E 358 - 1232 3010270 RS 38/E 437 - 1665 3010271 • Gas train according to UL Standards... -
Page 35: Appendix - Burner Start Up Report
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 36 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...
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