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Fireye SureFire II SP-48-NG-ND Instruction Manual

Natural draught gas pilot type
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1.
INTRODUCTION
This Instruction Manual contains a description of the type SureFire II
construction, operation principle and the instructions for installation, start-up and service, including the industrial
health & safety recommendations.
The SP-48-NG/PG-ND (48 mm outer diameter, NG - Natural Gas or PG - Propane Gas or LPG, ND - Natural
Draught) gas pilot is a reliable and effective source of ignition for oil and gas burners.
Pilot Part Number for Natural Gas is "SP-48-NG-ND-xxx", for Propane Gas or LPG gas is "SP-48-PG-ND-xxx"
where "-xxx" is the insertion length "L" from 0.5 to 2.0 metres. (see Appendix 1 – the pilot capacity vs. gas
pressure graphs for Natural gas and Propane). For other Fuel gas types or capacity ranges – see p. 11 Ordering
Information for Special Pilots Part Numbering approach.
The pilot is constructed of high quality materials, and each unit is checked and tested before dispatch.
Acquaintance with the following instructions and strict attention to the indications reduce the possibility of
equipment failure to a minimum and ensure safety during normal operation.
FIGURE 1.
Gas pilot type SP-48-NG/PG-ND
© 2020 Carrier
SureFire II
Natural Draught
Gas Pilot type SP-
48- NG/PG- ND
Instruction Manual
SP-48-NG/PG-ND gas pilot
TM
SF-500
December 21, 2020
TM
1

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Summary of Contents for Fireye SureFire II SP-48-NG-ND

  • Page 1 SF-500 December 21, 2020 SureFire II Natural Draught Gas Pilot type SP- 48- NG/PG- ND Instruction Manual INTRODUCTION This Instruction Manual contains a description of the type SureFire II SP-48-NG/PG-ND gas pilot construction, operation principle and the instructions for installation, start-up and service, including the industrial health &...
  • Page 2 The orifice-stabilizer assembly is optimized for Natural gas or Propane gas/LPG. In case of other Fuel gas type or other capacity needed, contact Fireye as this may need the pilot construction changes - see p. 11 for Special Pilots. Thanks to this principle of design, the pilot combustion zone is protected, the main combustion zone is outside the igniter, hence the air tube does not overheat there is no need for retraction of the ignition rod.
  • Page 3 3. MOUNTING TUBES For fixing the pilot burner to a burner plate there are two types of mounting tube (material: carbon steel), offered as an optional accessory and to be ordered separately (see Fig. 2): a flange mounting tube allowing the fixing of a gas pilot without the use of welding, to be fixed with bolts to the burner plate.

  • Page 4: Technical Data

    Material used for construction all parts: 304/316 SS and heat-resistant steel 310/330 SS Notes: 1. If the above parameters are different than those required please contact Fireye 2. For Imperial Units please refer to the Appendix 4 Unit Conversion Table 3.

  • Page 5: Installation

    WARNING: ALL ACTIONS RELATED TO THE INSTALLATION, SERVICE AND OPERATION OF GAS PILOT MAY ONLY BE CARRIED OUT BY A TRAINED AND QUALIFIED PERSONNEL. WARNING: STRICTLY OBSERVE THE TEMPERATURE LIMITS FOR PILOT AND IGNITER ROD MOUNTED INSIDE. IN THE CASE OF EXPECTED WORK AT THE LIMIT PERMISSIBLE OPERATING...
  • Page 6 Only after proper rod positioning should the rod be fixed by tightening the gland and the whole gas assembly with rod inserted into the air tube. Mounting of electrical igniter rod in a pilot: unscrew the rod tip, disassemble the gland, put all gland parts on rod, insert the rod in gas head, screw back the rod tip and then set the appropriate tip position relative to an orifice-stabilizer assy.
  • Page 7 8. PILOT START-UP, OPERATIONAL TESTS Before proceeding with the start-up and operational tests of SP-48-NG/PG-ND pilot check the following: Gas installation is properly mounted, tight and functionally checked, including: valves, flaps, strainers, fittings and joints (flanged and screwed) as well as control and interlock devices. Gas connection to the pilot is made in accordance with the above instructions and the assy drawing.

  • Page 8: Operation

    9. OPERATION After installing and completion of pilot start up and tests SP-48-NG/PG-ND is ready for operation. General description of activities performed by the burner/boiler control system or manually by operator: Preparation the furnace/boiler for firing up. Opening of air to the burner and pilot. Preparation of gas installation for operation.

  • Page 9: Inspection And Maintenance

    10.1 INSPECTION AND MAINTENANCE Pilot SP-48-ND because of simple design does not require complicated maintenance procedures. Checking and cleaning of air and gas tubes: Close the manual gas valve and disconnect the pilot gas line. Disconnect the ignition rod electric supply cable. Unscrew the mounting ring.
  • Page 10 11.2 In case of air tube wear or damage: – if air tube has to be replaced - order a replacement air tube (without mounting ring) of length “L” – prices on request only, – if just the end of air tube is eroded - cut 200 mm of the tube tip, order and weld spare part P/N SP-48-END - replacement air tube end, length 200 mm, SS310/330.

  • Page 11: Ordering Information

    Part Number in such case is SP-48-ZYY-N-xxx where: “Z” is capacity range e.g. S-small, M-medium, L-large or possibly others, “YY” is the specific Project Number given by Fireye after analyzing the Proposal Data Sheet, “N” is Natural draught, “xxx” is the length L.
  • Page 12 APPENDIX No 1 The Pilot capacity vs. gas pressure graphs – standard version Remark: The real measured capacity may differ by ± 5% depending on a particular pilot and measurement conditions © 2020 Carrier...
  • Page 13 APPENDIX No 2 Proper position of the SureFire II SP-32 and SP-48 Pilots on burners Appendix shows a sample of typical positions of gas pilots on two types of burners. Fig. A Typical for power & utility boilers, industrial heaters - shows position of SP-32 and SP-48 Gas Igniter operating as an intermittent (light-off) on a sample single gun main burner, oil or gas fired, vertical or horizontal mounting.
  • Page 14 APPENDIX No 3 Proposal Data Sheet SureFire II Pilot - Natural Draught Gas Pilot Type SP-48-NG/PG-ND-xxx Please provide the following data before placing the Order for gas pilot: Information about End User — Plant Name: — Owner: — Country: — Localization (address): Gas pilot mode of operation: —...

  • Page 15: Unit Conversion Table

    APPENDIX No 4 UNIT CONVERSION TABLE Quantity Metric Units Imperial Units Length 1 millimetre [mm] x 0.003281 = foot [ft; ’] x 0.03937 = inch [in; ”] 1 metre [m] x 3.281 = foot [ft; ’] x 39.370 = inch [in; ”] 1 cubic metre [m Volume x 35.315 = cubic foot [ft...
  • Page 16 Fireye warranty, as stated in its General Terms and Conditions of Sale, pertains only to the Fireye products and not to any other equipment or to the combined system or its overall performance.

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