Riello RS 50/E, Installation, Use And Maintenance Instructions

Page 1: ...20053677 3 03 2014 Installation use and maintenance instructions Forced draught gas burner Progressive two stage or modulating operation Code Model 20053288 RS 50 E GB...

Page 2: ......

Page 3: ...3 11 Control box for the air fuel ratio LMV37 4 13 3 12 Actuators SQM33 5 16 4 Installation 17 4 1 Notes on safety for the installation 17 4 2 Handling 17 4 3 Preliminary checks 17 4 4 Boiler plate 1...

Page 4: ...ecks with the burner working 27 6 Maintenance 28 6 1 Notes on safety for the maintenance 28 6 2 Opening the burner 29 6 2 1 To open the burner 29 6 2 2 To close the burner 29 A Appendix Spare parts 30...

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: ...3 Operation Low high low or modulating Standard application Boilers water steam thermal oil Ambient temperature F 32 104 0 40 C Combustion air temperature F max 140 60 C Electrical protection NEMA 1 N...

Page 9: ...wer supply V Ph Hz 575 3 60 Fan motor rpm W HP V A 3450 0 75 575 1 3 Ignition transformer V1 V2 I1 I2 120 V 1 x 8 kV 1 6 A 20 mA Electrical power consumption W 950 Electrical control circuit cons W ma...

Page 10: ...o 24 Switch Local Remote 25 Fan motor 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...

Page 11: ...uires the burner to be opened and the rear part withdrawn on the slide bars The maximum dimension of the burner when open without casing is give in measurement H Tab F 1 Blast tube short long obtainab...

Page 12: ...s are based only on altitude variation reference tem perature 68 F 20 C To get the combined correction in case of different air tem perature a compensation of 1000 ft each 20 F 305 m each 11 C is appl...

Page 13: ...908 2 875 8 843 5 811 85 779 8 747 8 Average barometric pressure 68 F w c 399 394 385 371 358 345 332 320 307 294 CORRECTED BURNER AIR PRESSURE ACCORDING TO ALTITUDE Altitude Rated Pressure m a s l 0...

Page 14: ...e best results are obtained in terms of low NOx emissions The maximum thickness of the boiler s front door must not ex ceed 8 see Fig 5 3 10 Minimum furnace dimensions The firing rates were set in rel...

Page 15: ...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 16: ...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 17: ...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 18: ...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 19: ...the burner must be 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 burn...

Page 20: ...compromise the extraction 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...

Page 21: ...ts are done on notch 3 as in Fig 13 In this case the pressure load loss of the combustion head is given by column A Tab I page 21 Diagram Fig 14 shows the ideal settings for the ring 2 Fig 13 If the g...

Page 22: ...e extract the inner part of the combustion head 12 4 9 Gas piping The main gas train must be connected to the gas attachment 1 Fig 17 using flange 2 gasket 3 and screws 4 supplied with the burner The...

Page 23: ...t of the burner as fol lows subtract the combustion chamber pressure from the gas pres sure measured at test point 1 Fig 19 find the nearest pressure value to your result in column A or B Tab I for th...

Page 24: ...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 25: ...e motor is 400V To reset in the case of an intervention of the thermal relay press the button RESET Fig 21 The button STOP Fig 21 opens the NC 95 96 contact and stops the motor To test the thermal rel...

Page 26: ...tions of maximum 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 bu...

Page 27: ...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 DANGER Make sure that the lamps or testers connected to...

Page 28: ...the start of the scale With the burner operating at MAX output increase adjustment pressure by slowly turning the relative dial clockwise until the burn er locks out Then turn the dial anti clockwise...

Page 29: ...nd of scale position if installed Rotate the air pressure switch knob to the maximum end of scale position The burner must stop in lockout Switch off the burner and disconnect the voltage Disconnect t...

Page 30: ...ings and correctly positioned Flame inspection window Clean the flame inspection window Fig 33 UV scanner Clean the glass cover from any dust that may have accumulated In order to reach the UV scanner...

Page 31: ...ustion head 12 Fig 36 6 2 2 To close the burner To close the burner proceed as follows push the burner 13 Fig 36 at approximately 4 from the elec trical board 14 insert the ignition electrode cables a...

Page 32: ...rts A Appendix Spare parts 13 12 1 10 11 23 25 26 14 64 24 57 58 8 9 18 8 19 60 17 21 5 7 20 61 59 63 62 36 66 39 54 40 34 35 33 32 31 30 29 15 38 6 69 68 22 44 2 3 4 67 22 43 48 42 65 41 55 45 46 37...

Page 33: ...08601 SERVOMOTOR B 23 3012994 MOTOR C 24 20027028 SCREW 25 3003891 CONNECTOR C 26 3012948 AIR PRESSURE SWITCH A 27 20010967 AZL DISPLAY 28 3013940 CONNECTORS ASSEMBLY B 29 3003794 ELECTRODE CONNECTION...

Page 34: ...tended safety fittings 56 3003396 UV PHOTOCELL A 57 3005483 SEAL B 58 3013004 FLANGE AND ELBOW 59 3012841 BASE 60 20014366 FUSE HOLDER 61 20010969 RELAY C 62 3020071 BASE 63 3020068 RELAY C 64 3003764...

Page 35: ...e on LPG Gas train according to UL Standards B Appendix Accessories Burner Standard length Length obtainable with kit Code RS 50 E 8 1 2 13 13 16 3010258 Burner MBtu hr Code RS 50 E 549 1986 3010272 W...

Page 36: ...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 37: ......

Page 38: ......

Page 39: ......

Page 40: ...ICA 35 Pond Park Road 1 800 4 RIELLO 2165 Meadowpine Blvd Hingham Massachusetts 1 800 474 3556 Mississauga Ontario U S A 02043 Canada L5N 6H6 http www riello ca RIELLO S p A I 37045 Legnago VR Tel 39...