Riello RL 70/E Installation, Use And Maintenance Instructions
Light oil burner
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Summary of Contents for Riello RL 70/E
- Page 1 Installation, use and maintenance instructions Light oil burner Modulating operation CODE MODEL 20045065 RL 70/E 20045163 (4) - 11/2014...
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Page 3: Table Of Contents
Contents Information and general instructions ..............3 Information about the instruction manual . - Page 4 Contents 4.12.2 Pump priming................22 4.13 Electrical wiring .
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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 RL 70/E Output High MBtu/hr 1792 - 3136 12.8 - 22.4 MBtu/hr 756 - 1792 5.4 - 12.8 Fuel # 2 fuel oil Operation Low - high or modulating... -
Page 9: Overall Dimensions
Keep in mind that inspection of the combustion head requires the burner to be opened and the rear part withdrawn on the slide bars. D1217 Fig. 1 inch RL 70/E 1/ 8” 21/ 32” 15/ 32” 27/ 32” 25/ 32”... -
Page 10: Panel Board Description
➤ The burners is supplied skid mounted. Outer dimensions of packaging are indicated in (Fig. 4). ➤ The weight of the burner complete with packaging is indicated in table. inch RL 70/E 9 /32“ 5 /8“ 3 /16“ Fig. 4... -
Page 11: Firing Rate
Technical description of the burner Firing rate During operation, burner output varies between: The intersection of these two lines is the firing rate which must lie – MINIMUM OUTPUT: area A; within area A, for MIN output, and within area B, for MAX output. –... - Page 12 Technical description of the burner CORRECTED BURNER CAPACITY ACCORDING TO ALTITUDE Altitude m a.s.l. 1220 1525 1830 2135 2440 Rated Capacity ft a.s.l 1000 2000 3000 4000 5000 6000 7000 8000 1000 1000 1023 1061 1101 1142 1186 1232 1282 1337 1500 1481...
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Page 13: Minimum Furnace Dimensions
Technical description of the burner 3.10 Minimum furnace dimensions The firing rates were set in relation to certified test boilers. Example: output 2579 MBtu/hr - diameter 24 inch - length 6.6 ft. In the (Fig. 6) indicates the diameter and length of the test combus- tion chamber. -
Page 14: Control Box For The Air/Fuel Ratio (Lmv37.4
The LMV37.4... is a safety device! WARNING 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 15 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 16 Technical description of the burner Operation sequence of the burner Startup Operation Shutdown TSA1 Phase number Parameter number 266 267 Parameter number 214 264 269 268 28 s Safety limit thermostat (STB) Control thermostat or pressurestat (R) Flame signal (FS) Air pressure switch (LP) Pressure switch-min (Pmin) Pressure switch-max (Pmax)
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Page 17: Actuators (Sqm33.5
Technical description of the burner 3.12 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 18: 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 manu- ment, proceed with the installation operations. -
Page 19: Combustion Head Pre-Setting
Fig. 12 with its refractory. The available lengths “L” are those indicated in the Tab. F. inch 9 /32“ 27 /32“ 13 /16“ RL 70/E - 12 1/2 W Long blast tube Model Short blast tube (with kit) Tab. G RL 70/E 9 /32“... -
Page 20: Nozzle Installation
Installation Nozzle installation The burner complies with the emission requirements of the UL 296 If it proves necessary to change a nozzle with the burner already Standard. fitted to the boiler, proceed as outlined below: – Pull back the burner on its slide bars as shown in In order to guarantee that emissions do not vary, recommended (Fig. -
Page 21: Combustion Head Setting
Installation Combustion head setting The setting of the combustion head depends exclusively on the maximum burner delivery at which it will be operating. Turn screw 4)(Fig. 18) until the notch shown in diagram (Fig. 19) is level with the front surface of flange 5)(Fig. 18). D462 Example: maximum light oil delivery = 16 GPH... -
Page 22: Hydraulic System
Installation 4.10 Hydraulic system Explosion danger due to fuel leaks in the presence of a flammable source. Precautions: avoid knocking, attrition, sparks and 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 23: Hydraulic Connections
Installation 4.11 Hydraulic connections The pumps are equipped with a by-pass that connects the return line and suction line. The pumps are installed on the burner with the D1224 by-pass closed by screw 6)(Fig. 22). It is therefore necessary to connect both hoses to the pump. The pump seal will be dammaged immediately if it is run with the return line closed and the by-pass screw inserted. -
Page 24: Pump
Installation 4.12 Pump 1 - Suction 1/2" NPT 2 - Return 1/2" NPT D2352 3 - Pressure gauge attachment G 1/8" 4 - Vacuum gauge attachment G 1/8" 5 - Pressure adjustment screw 6 - By-pass screw A - Min. delivery rate at 290 PSI pressure B - Delivery pressure range C - Max. -
Page 25: 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 26: 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 termal relay (used for single phase motors) press the button “RESET”... -
Page 27: Motor Connection At 208-230 Or 460V
Installation 4.15 Motor connection at 208-230 or 460V The motors, manufactured for 208-230/460 IE2/Ep- Please, pay attention to the indications in case of act voltage, have a different connection than IE1 modification of voltage, maintenance, or substitu- motors, no more star/delta but tion. -
Page 28: 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 29: Burner Start-Up
Start-up, calibration and operation of the burner The eccentric setting should be carried out by loosening screws 7), Do not let the piston bottom out repeatedly: the stop and turning the screw 5) to obtain the desired eccentricity. ring 3)(Fig. 34) determines the max. stroke. ➤... -
Page 30: Final Calibration Of The Pressure Switch
Start-up, calibration and operation of the burner Final calibration of the pressure switch 5.5.1 Air pressure switch The air pressure switch is connected in differential (Fig. 37) and is activated by both the negative pressure of the air intake and the air pressure from the fan. -
Page 31: Final Checks (With The Burner Working)
Start-up, calibration and operation of the burner Final checks (with the burner working) ➮ ➤ Open the control limit operation The burner must stop ➤ Open the high limit operation ➤ Rotate the air pressure switch knob to the maximum end of ➮... -
Page 32: 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 33: Fuel Pump And/Or Couplings Replacement
Maintenance Pump 6.2.3 Fuel pump and/or couplings replacement The pump delivery pressure must be stable at 290 PSI. Dimension A)(Fig. 42) should set to 1/2”. The suction must be less than 6.5 PSI. Unusual noise must not be evident during pump operation. If the pressure is found to be unstable or if the pump runs noisily, the flexible hose must be detached from the line filter and the fuel must be sucked from a tank located near the burner. -
Page 34: Opening The Burner
Maintenance Opening the burner Disconnect the electrical supply from the burner by means of the main system switch. DANGER Close the fuel interception tap. DANGER Wait for the components in contact with heat sourc- es to cool down completely. WARNING D1233 ➤... -
Page 35: A Appendix - Spare Parts
Appendix - Spare parts Appendix - Spare parts 20045163... - Page 36 Appendix - Spare parts CODE DESCRIPTION 3012467 END CONE 3003983 SHUTTER 3003322 CONNECTOR 3003977 CONTROL DEVICE ASSEMBLY 20043399 PLUG 3003396 UV PHOTOCELL 3012462 DIFFUSER DISC 20066897 NOZZLE HOLDER ASSEMBLY 3007079 SEAL 3012461 SUPPORT 3003495 U BOLT 3003796 ELECTRODE 3012092 SUPPORT 3012470 TUBE 3012471...
- Page 37 Appendix - Spare parts CODE DESCRIPTION 3006211 FUSE 3013940 CONNECTORS ASSEMBLY 3012938 TRANSFORMER 20028310 CONTACTOR 20028312 OVERLOAD 20031411 POWER REGULATOR 3013925 VIEWING PORT 3014079 SPACER 3013922 INSPECTION WINDOW 3012939 3013938 DRIVE DISK JOINT 3003204 SEAL 3003294 O-RING 3012622 DRIVE DISK 3003970 3012932 PLUG...
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Page 38: B Appendix - Accessories
Appendix - Accessories Appendix - Accessories • Kit for lengthening the combustion head Standard Length obtainable Code length with the kit 23/ 32” 5/ 32” 3010280 • Flame inversion boiler kit Code 3010180 The installer is responsible for the supply and instal- lation of any safety device(s) not indicated in this manual. -
Page 39: 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: LIGHT OIL OPERATION : Low Fire Oil supply pressure: High Fire : Low Fire Oil suction pressure: High Fire Control Power Supply: CO: Low Fire... - Page 40 RIELLO S.p.A. I-37045 Legnago (VR) Tel.: +39.0442.630111 http:// www.riello.it http:// www.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...