Riello C9331500 Installation, Use And Maintenance Instructions Download Page 1

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20019893 (7) - 01/2015

Installation, use and maintenance instructions

Dual fuel light oil/gas burners

Progressive two stage oil or modulating gas operation

CODE

MODEL

C9331500

RLS 28/M

C9332500 - C9332550
C9332501 - C9332551

RLS 38/M

C9333553 - C9333503
C9333500 - C9333510

C9333501

RLS 50/M

Summary of Contents for C9331500

Page 1: ...aintenance instructions Dual fuel light oil gas burners Progressive two stage oil or modulating gas operation CODE MODEL C9331500 RLS 28 M C9332500 C9332550 C9332501 C9332551 RLS 38 M C9333553 C933350...

Page 2: ......

Page 3: ...3 10 Honeywell control box 13 3 10 1 RM7840 sequence diagram 14 4 Installation 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 t...

Page 4: ...Firing output 29 5 8 4 Maximum burner output 29 5 8 5 Minimum burner output 30 5 8 6 Intermediate outputs 30 5 9 Pressure switch adjustment 31 5 9 1 Air pressure switch 31 5 9 2 Minimum gas pressure s...

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

Page 6: ...of damage to things or injury to peo ple if such damage injury was due to any of the following causes incorrect installation start up use and maintenance of the burner improper incorrect or unreasona...

Page 7: ...nce Only those parts envisaged by the manufacturer can be replaced 2 2 Personnel training The user is the person body or company that has acquired the ma chine and intends to use it for the specific p...

Page 8: ...ressure at maximum delivery 2 Gas Natural gas WC 2 7 1 64 2 36 Operation Modulating gas low high oil Nozzles number 2 Ambient temperature F 32 104 0 40 C Combustion air temperature F max 140 60 C Pump...

Page 9: ...550 0 75 575 1 3 Pump motor rpm V W HP A 3250 120 90 0 12 2 2 Pump motor capacitor F 12 5 Ignition transformer Oil V1 V2 I1 I2 120 V 2 x 5 kV 3 7 A 35 mA Gas V1 V2 I1 I2 120 V 1 x 7 kV 1 6 A 23 mA El...

Page 10: ...mension of the burner when open without casing is given in measurement H Tab D 3 6 Standard equipment 1 Gas train flange 1 Flange gasket 4 Flange fixing screws 1 Adaptor G 1 8 1 8 NPT 1 Instruction bo...

Page 11: ...the combined correction in case of different air temper ature a compensation of 1000 ft each 20 F 305 m each 11 C is applicable 100 ft 2 F Example Rated capacity 1500 MBtu hr Rated air pressure 1 5 WC...

Page 12: ...8 908 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...

Page 13: ...nace dimensions The firing rates were set in relation to certified test boilers Fig 4 indicates the diameter and length of the test combustion chamber Example Output 1388 MBtu hr diameter 20 inch leng...

Page 14: ...utton 34 Power ON signal lamp 35 Call for heat lamp 36 Alarm signal lamp 37 Ignition ON lamp 38 Fuel ON lamp 39 Optional holes 40 RWF 40 terminal board 41 Power supply and safety control device entry...

Page 15: ...tion System Manager Software Functions provided by the RM7840 include automatic burner sequencing flame supervision system status indication system or self diagnostics and troubleshooting SPECIFICATIO...

Page 16: ...arning notes must be observed The RM7840 is a safety device Do not open interfere with or modify the unit The Manufacturer will not assume responsibility for any damage resulting from unauthorized int...

Page 17: ...tableness of the available means of handling Check also that the area in which you are working is empty and that there is an adequate escape area i e a free safe area to which you can quickly move if...

Page 18: ...r to guarantee that emissions do not vary recommended and or alternative nozzles specified by the manufacturer in the In struction and warning booklet should be used Tab F Model L RLS 28 M 7 1 2 RLS 3...

Page 19: ...or the following two different nozzles 1 4 50 GPH with 2 3 50 GPH or 1 3 50 GPH with 2 4 50 GPH 4 7 2 Nozzle assembly Detach the internal part of the combustion head as shown in Fig 47 page 36 to open...

Page 20: ...that the return and suction lines enter the burner from the same height in this way it will be more improb able that the suction line fails to prime or stops priming Key Fig 13 H Pump Foot valve heig...

Page 21: ...plugs from the suction and return connections of the pump Insert the hose connectors into the connections and screw them down Take care that the hoses are not stretched or twisted during installation...

Page 22: ...switch 1 set to OFF and tighten the screw 3 The time required for this operation depends upon the diameter and length of the suction tubing If the pump fails to prime at the first starting of the burn...

Page 23: ...ulator 4 Low gas pressure switch 5 Safety solenoid VS 6 2nd safety shut off valve 7 Standard issue burner gasket with flange 8 Gas adjustment butterfly valve 9 Burner Explosion danger due to fuel leak...

Page 24: ...r in question Read off the corresponding output Example for RLS 28 M High fire operation Natural gas G20 Gas pressure at test point 1 Fig 19 1 92 WC Pressure in combustion chamber 0 79 WC 1 92 0 79 1...

Page 25: ...dentification label and in this manual Do not invert the neutral with the phase in the electrical supply line Any inversion would cause a lockout due to firing failure The electrical safety of the dev...

Page 26: ...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 rela...

Page 27: ...tch to the zero position of the scale Fig 27 Purge the air from the gas line Fit a manometer Fig 28 to the gas pressure test point on the sleeve The manometer readings are used to calculate the high f...

Page 28: ...butterfly valve index 4 Air profile cam 5 Low fire air adjustment screws 6 High fire air adjustment screws 7 Opening for access to screw 5 6 Fig 32 shows how the servomotor is released to manually che...

Page 29: ...ted it is clear that for this delivery the combustion head must be adjusted using notch 4 as shown in Fig 35 5 5 2 Pump adjustment No settings are required for the pump which is set to 174 PSI by the...

Page 30: ...I this is the pressure calibrated in the factory which is usually sufficient for most purposes Sometimes this pressure must be adjusted to 145 PSI in order to reduce fuel delivery This adjustment is p...

Page 31: ...ration operations 5 8 2 Burner calibration The optimum calibration of the burner requires an analysis of the flue gases at the boiler outlet Adjust successively Firing output Maximum burner output Min...

Page 32: ...g profile of burner cam 4 Fig 39 by turning the screws 5 working throught the access hole Key Fig 39 1 Servomotor 2 Gas butterfly valve 3 Gas butterfly valve index 4 Air profile cam 5 Low fire air adj...

Page 33: ...n two pipe system If a negative pressure in the combustion chamber during pre purg ing prevents the air pressure switch from switching switching may be obtained by fitting a second pipe between the ai...

Page 34: ...running check the temperature at the detec tor If it exceeds the detector maximum rated temperature Add a heat block to stop conducted heat traveling up the sight pipe Add a shield or screen to refle...

Page 35: ...anged the servomotor automatically modi fies oil delivery pressure regulator and air delivery fan damper 5 13 Firing failure If the burner does not fire it goes into lock out within 5 s of the opening...

Page 36: ...imately every 5 years suck any water on the bottom of the tank using a separate pump Flame inspection window Clean the flame inspection window Fig 45 Flexible hoses fuel oil Check to make sure that th...

Page 37: ...lean the UV scanner by using the following pro cedure Loosen the screw 1 Fig 46 and extract the flame sensor with the relevant support 2 Clean the viewing window with a soft clean cloth Insert the UV...

Page 38: ...n slide bars 6 by about 4 disconnect the electrode wires and then pull the burner com pletely back remove the screw 15 unscrew the pin 11 from the connection 12 push ahed the connection to the end sto...

Page 39: ...e correct site the extention bars 7 refit screws 5 on slide bars 6 secure the burner to the sleeve by tightening screw 10 connect the tie rod 8 to the spacer 9 reconnect the oil pipes 3 WARNING When f...

Page 40: ...40 37 83 80 51 50 49 52 54 52 50 49 51 53 56 58 86 46 45 39 43 47 38 85 79 57 26 27 28 107 55 72 35 9 41 42 98 34 25 2 36 96 97 99 100 94 93 95 92 101 102 75 76 73 74 77 78 66 69 70 8 68 50 49 24 6 5...

Page 41: ...52 SOLENOID VALVE 18 20029633 TUBE 19 3012993 MOTOR C 19 3013869 MOTOR C 20 20027028 SCREW SPACER 21 3003891 CONNECTOR 22 20028728 UV CELL A 23 3012948 AIR PRESSURE SWITCH A 24 3006719 CONNECTOR 25 20...

Page 42: ...B 51 3006722 CONNECTOR 52 3003381 SEAL B 52 20031884 SEAL B 53 3013074 DISTRIBUTOR C 53 20031802 DISTRIBUTOR C 53 20031804 DISTRIBUTOR C 54 20031250 DIFFUSER DISC A 54 20031808 DIFFUSER DISC A 54 2003...

Page 43: ...76 3020068 RELAY B 77 3012841 BASE 78 20010969 RELAY B 79 20026793 CONNECTOR 80 3007166 SEAL C 81 3003003 PISTON SEAL C 82 20029667 CONNECTOR C 83 3003863 PLUG 84 20031264 PILOT TUBE 85 20031269 SUPP...

Page 44: ...M HOLDER SHAFT 100 20031277 HUB 101 20031281 INDEX 102 20031282 HUB 103 3003764 BAR 104 20026790 C5360002 CONTROL BOX BASE B 105 20031869 TUBE 106 20031871 TUBE 106 20031872 TUBE 107 20010962 BUTTON A...

Page 45: ...essories 43 20019893 GB Gas train according to UL Standards B Appendix Accessories WARNING The installer is responsible for the supply and installation of any required safety device s not indicated in...

Page 46: ...cy Low Fire High Fire Low Fire Flame Signal Overfire Draft High Fire Flame Signal OIL OPERATION Oil supply pressure CO2 Low Fire High Fire Oil suction pressure O2 Low Fire High Fire Control Power Supp...

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Page 48: ...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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