Riello RS 28/E, Installation, Use And Maintenance Instructions

Page 1: ...20044359 6 06 2015 Installation use and maintenance instructions Forced draught gas burner Progressive two stage or modulating operation CODE MODEL 20044216 RS 28 E 20105015 RS 38 E GB...

Page 2: ...Original instructions...

Page 3: ...io LMV37 4 12 3 11 Actuators SQM33 5 15 4 Installation 16 4 1 Notes on safety for the installation 16 4 2 Handling 16 4 3 Preliminary checks 16 4 4 Boiler plate 16 4 5 Blast tube length 17 4 6 Securin...

Page 4: ...Contents 6 Maintenance 27 6 1 Notes on safety for the maintenance 27 6 2 Opening the burner 28 6 3 Closing the burner 28 A Appendix Spare parts 29 B Appendix Accessories 32 C Appendix Burner start up...

Page 5: ...nerator is to be installed The instruction manual shows the serial number of the burner the address and telephone number of the nearest Assis tance Centre The system supplier carefully informs the use...

Page 6: ...manual 1 2 1 Owner s responsibility Please pay attention to the Safety Warnings contained within this instruction manual Keep this manual for your records and provide it to your quali fi ed service a...

Page 7: ...h the burner components is not allowed apart from the parts requiring maintenance Only those parts envisaged by the manufacturer can be replaced 2 2 Personnel training The user is the person body or c...

Page 8: ...Low MBtu hr kW 198 58 266 78 Fuel Natural or propane gas Max delivery Pressure at maximum delivery 2 natural gas SCFH WC 1232 2 95 1665 2 6 Operation Low high low or modulating Standard application Bo...

Page 9: ...remote 25 Fan motor with capacitor 26 Ground terminals 27 Auxiliary fuse 28 Switch OFF ON 29 Signal Power ON 30 Lamp signal Call for heat 31 Signal Ignition ON 32 Signal Fuel ON 33 Burner terminal bo...

Page 10: ...maximum dimension of the burner when open without casing is give in measurement H Tab D 1 Blast tube short long obtainable with the kit 3 7 Standard equipment Gas train flange No 1 Flange gasket No 1...

Page 11: ...e effect the expansion of the air volume i e the reduction of air density The burner fan s delivery remains substantially the same but the oxygen content per cubic meter and the fan s head are reduced...

Page 12: ...respect to the equivalent delivery Qe H1r H1 x Qr Q 2 w c MBtu hr Qe H1 H3 H2 A Fig 5 D2617 Above sea level Average barom pressure CORRECTION FACTOR F Air temperature F C ft m WC mbar 0 0 C 41 5 C 50...

Page 13: ...ce dimensions The firing rates were set in relation to certified test boilers Fig 6 indicates the diameter and length of the test combustion chamber Example Output 1388 MBtu hr diameter 20 inch length...

Page 14: ...s via which it is possible to easily identify any causes of malfunctioning Mechanical design The following system components are integrated in the LMV37 4 basic unit Burner control with gas valve prov...

Page 15: ...oltage Nominal current Power factor AC 120 V 50 60 Hz 1 6 A pilot duty load declaration to UL372 cos 0 4 Alarm output Nominal voltage Nominal current Power factor AC 120 V 50 60 Hz 1 A cos 0 4 Ignitio...

Page 16: ...T P 10 Shutdown Operation Startup Valve proving OUTPUTS INPUTS Phase number Fuel Actuator 2 Air Actuator 1 Actuators Safety limit thermostat STB Control thermostat or pressurestat R Flame signal FS Ai...

Page 17: ...s can be seen on the dis play of the Operator Panel Index 0 for fuel actuator index 1 for air actuator Installation notes Always run the high voltage ignition cables separate from the unit and other c...

Page 18: ...carried out by qualified personnel as indicated in this manual and in compliance with the standards and regulations of the laws in force WARNING The handling operations for the burner can be high ly...

Page 19: ...on of the blast tube For boilers having a water cooled front the insulation 4 5 Fig 11 is not required unless it is required by the boiler man ufacturer 4 6 Securing the burner to the boiler Secure th...

Page 20: ...n notch 4 as in Fig 13 In this case the pressure load loss of the combustion head is given by column A Tab G page 20 Diagram Fig 14 shows the ideal settings for the ring 2 Fig 13 If the gas supply pre...

Page 21: ...afety time range The pilot gas train must be connected to the gas attachment 5 Fig 15 and can enter the burner from the right or left side 4 10 Gas train It must be type approved according to UL Stand...

Page 22: ...t operation Gas ring 2 Fig 13 adjusted as indicated in diagram Fig 14 Gas pressure at test point 1 Fig 17 3 WC Pressure in combustion chamber 0 8 WC 3 0 8 2 2 WC A maximum output of 990 MBtu hr shown...

Page 23: ...ts Check that the electrical supply of the burner corresponds to that shown on the identification label and in this manual Do not invert the neutral with the phase in the electrical supply line Any in...

Page 24: ...e motor is 400V To reset in the case of an intervention of the thermal relay press the button RESET Fig 19 The button STOP Fig 19 opens the NC 95 96 contact and stops the motor To test the thermal rel...

Page 25: ...mum safe ty i e with gas delivery at the minimum 5 3 Burner firing Having completed the checks indicated in the previous heading the pilot of the burner should fire If the motor starts but the flame d...

Page 26: ...ombustion value proceed slowly to the decrease of the output by synchronizing the combustion with the two servomotors and storing the dif ferent setting values DANGER Make sure that the lamps or teste...

Page 27: ...e knob counter clockwise about 20 of the set point and start up the burner again to ensure the set point is correct If the burner locks out again turn the knob counter clockwise a little bit more 5 7...

Page 28: ...ght the flame s intensity is displayed as a percentage Example 954 0 0 5 9 Final checks with the burner working S8171 P V h min s Fig 31 Open the control limit operation Open the high limit operation...

Page 29: ...e sensor 1 Fig 33 Combustion head Open the burner and make sure that all components of the com bustion head are in good condition not deformed by the high tem peratures free of impurities from the sur...

Page 30: ...n head 12 Fig 34 6 3 Closing the burner To close the burner proceed as follows push the burner 13 Fig 34 at approximately 4 from the elec trical board 14 insert the ignition electrode cables and then...

Page 31: ...Appendix Spare parts 29 20044359 A Appendix Spare parts...

Page 32: ...CONTROL BOX B 17 20027017 CONTACTOR C 18 20027018 LIGHT SIGNAL 19 20027020 LIGHT SIGNAL 20 3012956 TRANSFORMER B 21 20027021 SWITCH C 22 20008601 SERVOMOTOR B 23 3012993 MOTOR C 24 20027028 SCREW 25 3...

Page 33: ...ONT PIECE 48 3003799 SQUARE 48 3003801 SQUARE 49 3003805 SHUTTER C 50 3003807 END CONE C 50 3003809 END CONE C 51 20091984 SPACER 52 3003893 TEST POINT 53 3006211 FUSE A 54 20026791 SUPPORT 55 2002703...

Page 34: ...r to operate on LPG Gas train according to UL Standards B Appendix Accessories Burner MBtu hr Code RS 28 E 358 1232 3010270 RS 38 E 437 1665 3010271 WARNING The installer is responsible for the supply...

Page 35: ...Fire High Fire Control Power Supply CO Low Fire High Fire Burner Firing Rate NOX Low Fire High Fire Manifold Pressure Net Stack Temp Low Fire High Fire Pilot Flame Signal Comb Efficiency Low Fire High...

Page 36: ...URNERS NORTH AMERICA 35 Pond Park Road http www riello ca 2165 Meadowpine Blvd Hingham Massachusetts Mississauga Ontario U S A 02043 1 800 4 RIELLO Canada L5N 6H6 RIELLO S p A I 37045 Legnago VR Tel 3...