Riello C9321400 Installation, Use And Maintenance Instructions Download

Page: 36 / 36

Subject to modifications

RIELLO BURNERS 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.: +39.0442.630111
http:// www.riello.com

Summary of Contents for C9321400

Page 1: ...20044359 8 07 2021 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 GB...

Page 2: ...Original instructions...

Page 3: ...on 15 4 1 Notes on safety for the installation 15 4 2 Handling 15 4 3 Preliminary checks 15 4 4 Boiler plate 15 4 5 Blast tube length 16 4 6 Securing the burner to the boiler 16 4 7 Ignition pilot adj...

Page 4: ...ntenance programme 26 6 2 1 Maintenance frequency 26 6 2 2 Safety test with gas ball valve closed 26 6 2 3 Checking and cleaning 26 6 3 Opening the burner 28 6 4 Closing the burner 28 A Appendix Spare...

Page 5: ...alth risks CAUTION This symbol indicates operations which if not car ried out correctly may cause damage to the ma chine and or injury to people DANGER DANGER LIVE COMPONENTS This symbol indicates ope...

Page 6: ...e regular development of the flame as structurally established insufficient and inappropriate surveillance and care of those burner components most subject to wear and tear use of non original compone...

Page 7: ...th 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...

Page 8: ...1 High MBtu hr kW 617 1232 181 361 880 1665 258 488 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 Operati...

Page 9: ...al 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...

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

Page 11: ...agram Model MBtu hr kW RS 28 E 198 58 RS 38 E 266 78 WARNING The firing rate area values have been obtained con sidering an ambient temperature of 68 F and an atmospheric pressure of 394 WC and with t...

Page 12: ...nace dimensions The firing rates were set in relation to certified test boilers Fig 5 indicates the diameter and length of the test combustion chamber Example Output 1388 MBtu hr diameter 20 inch leng...

Page 13: ...its 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 pr...

Page 14: ...voltage 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 Ignit...

Page 15: ...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 A...

Page 16: ...ors 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...

Page 17: ...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 burner can be high l...

Page 18: ...ion of the blast tube For boilers having a water cooled front the insulation 4 5 Fig 10 is not required unless it is required by the boiler man ufacturer 4 6 Securing the burner to the boiler Secure t...

Page 19: ...on notch 4 as in Fig 12 In this case the pressure load loss of the combustion head is given by column A Tab G page 19 Diagram Fig 13 shows the ideal settings for the ring 2 Fig 12 If the gas supply p...

Page 20: ...safety time range The pilot gas train must be connected to the gas attachment 5 Fig 14 and can enter the burner from the right or left side 4 10 Gas train It must be type approved according to UL Stan...

Page 21: ...iagram Fig 13 Gas pressure at test point 1 Fig 16 3 WC Pressure in combustion chamber 0 8 WC 3 0 8 2 2 WC A maximum output of 990 MBtu hr shown in Tab G corresponds to 2 2 WC pressure column A This va...

Page 22: ...uts 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 i...

Page 23: ...the motor is 400V To reset in the case of an intervention of the thermal relay press the button RESET Fig 18 The button STOP Fig 18 opens the NC 95 96 contact and stops the motor To test the thermal r...

Page 24: ...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 does not appear and the flame safeguard goes into l...

Page 25: ...combustion 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 tes...

Page 26: ...the 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...

Page 27: ...ight 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 30 Open the control limit operation Open the high limit operation...

Page 28: ...rner will not light up and its control box will go to a safety lockout condition The actual electrical supply of the solenoid gas valves can be ver ified by inserting a tester Some valves are equipped...

Page 29: ...ion not deformed by the high tem peratures free of impurities from the surroundings and correctly positioned Burner Check for excess wear or loose screws in the mechanisms con trolling the air damper...

Page 30: ...ion head 12 Fig 33 6 4 Closing the burner To close the burner proceed as follows push the burner 13 Fig 33 at approximately 4 from the elec trical board 14 insert the ignition electrode cables and the...

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

Page 32: ...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 0 50HP 120 1 60 C 24 20027028 S...

Page 33: ...FRONT 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 20027...

Page 34: ...er 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 suppl...

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 Hig...

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...

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