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IDD Flame Detector Heads

Standard Models: IDD-II, IDD-IIL, IDD-IIU, and IDD-Ultra

CEX Models: IDD-IICEX, IDD-IILCEX, IDD-IIUCEX

372000-05 Rev J

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Summary of Contents for IDD-II

Page 1: ...IDD Flame Detector Heads Standard Models IDD II IDD IIL IDD IIU and IDD Ultra CEX Models IDD IICEX IDD IILCEX IDD IIUCEX 372000 05 Rev J ...

Page 2: ... be noted however that Forney Corporation will furnish updated pages only if Forney authorizes a modification and accomplished under Forney supervision PROPRIETARY NOTICE The contents of this publication are proprietary data of Forney Corporation Reproduction or use of any part of the publication for purposes other than the support of the equipment for which it is published is permissible only if ...

Page 3: ...ber 11 Figure 8 IDD Swivel Mount Arrangement with Cooling Chamber 11 Figure 9 IDD CEX Direct Mount Arrangement 12 Figure 10 IDD CEX Swivel Mount Arrangement 12 Figure 11 IDD CEX Direct Mount Arrangement with Cooling Chamber 13 Figure 12 IDD CEX Swivel Mount Arrangement with Cooling Chamber 13 2 2 Detector Wiring 14 Figure 13 Sample Wiring Diagram for IDD Detector Head to Amplifier 14 Section 3 Com...

Page 4: ...3300 nm Lead sulfide CEX IDD IIL Lignite IR 700 to 3300 nm Lead sulfide Standard IDD IILCEX Lignite IR 700 to 3300 nm Lead sulfide CEX IDD IIU Unfiltered for Oil Coal IR 400 to 3300 nm Lead sulfide Standard IDD IIUCEX Unfiltered for Oil Coal IR 400 to 3300 nm Lead sulfide CEX IDD Ultra Natural Gas UV 200 to 425 nm Silicon carbide Standard The major components of the IDD flame detector heads are a ...

Page 5: ...ith a temperature index of 204C Window material is fused silica with a temperature index of 950C O rings are made of BUNA N with a thermal index of 121C Suitably rated blanking elements must be used on all unused openings Supply connection wiring shall have a temperature rating of at least 105 C Approvals Factory Mutual ATEX Certification number FM10ATEX0024 II 2 G Ex d IIC T6 IP66 II 2 D Ex tD A2...

Page 6: ...o F 0o C to 121o C Storage 25o F to 140o F 32o C to 60o C Operating IDD II IDD IIL and IDD IIU 32o F to 140o F 0o C to 60o C Storage 25o F to 140o F 32o C to 60o C Cooling Sealing Air Front Mount 10 scfm 6 inches w c 16m3 hr 152Kg m2 Fiber Optic 15 scfm 6 inches w c 25m3 hr 152Kg m2 Front Mount 10 scfm 6 inches w c 16m3 hr 152Kg m2 Fiber Optic 15 scfm 6 inches w c 25m3 hr 152Kg m2 Maximum Cooling ...

Page 7: ...enance personnel should exercise caution to avoid exposure to flying particles and hot furnace gas WARNING Do Not Open When Energized WARNING When installing and or removing the IDD model flame detectors wear safety glasses to prevent eye injury caused by airborne particles in cooling seal air supply or wind box CAUTION The detector head contains sensitive electrical components Ensure that all pow...

Page 8: ... a Forney Flame Amplifier which goes onto the burner management system BMS NOTE An acceptable detector location must ensure Reliable main flame and or igniter flame detection at all air flow and furnace loads ranges of fuel firing Rejection of the igniter flame if too short or in the wrong position to ignite the main flame reliably When installing a detector head for the first time ensure the foll...

Page 9: ...y polyester powder coat finish Contains an integral heat insulating female thread insert external heat insulating nipple not required Flange Threads 1 NPT female pipe mount with 3 8 NPT female cooling air connection 1 BSP female pipe mount with 3 8 BSP female cooling air connection Flange Weight 0 62 lbs 0 28 kg Note When installing the flange only torque to 60 in lbs 5 ft lbs or 6 8Nm on the sigh...

Page 10: ...urner plate and secure using three hexed cap screws not provided Install the sight pipe on the swivel mount If a swivel is not used insert the end of the sight pipe into the hole align the hole to the desired viewing angle and tack weld welding must be adequate to temporarily support the weight of the installed detector The sight pipe should be arranged to slant downward so that dirt and dust will...

Page 11: ...mately 10 SCFM 283 l min is generally adequate Up to 15 SCFM 425 l min may be required for fuels that produce high levels of ash or soot or for hot environments to maintain the detector s internal temperature within specification NOTE If freezing temperatures are expected at the detector head Forney recommends heat tracing the detector sight tube Contact Forney for additional details CAUTION To en...

Page 12: ...05 Rev J 11 Figure 6 IDD Swivel Mount Arrangement Cable support bracket is required on Standard IDD when a cooling chamber is not used Figure 7 IDD Direct Mount with Cooling Chamber Figure 8 IDD Swivel Mount Arrangement with Cooling Chamber ...

Page 13: ...IDD Flame Detector Heads Manual 372000 05 Rev J 12 Figure 9 IDD CEX Direct Mount Arrangement Figure 10 IDD CEX Swivel Mount Arrangement ...

Page 14: ...IDD Flame Detector Heads Manual 372000 05 Rev J 13 Figure 11 IDD CEX Direct Mount Arrangement with Cooling Chamber Figure 12 IDD CEX Swivel Mount Arrangement with Cooling Chamber ...

Page 15: ...f the detector head as follows a Remove mounted IDD detector head b Connect it to the four conductor cable c Place a light source 1 to 4 feet from the surface of the detector Use a Tungsten light source for IR detector heads and a UV light source for the IDD Ultra d At the signal input terminal of the detector amplifier measure the signal with either a digital voltmeter DVM or oscilloscope to be 0...

Page 16: ...ut signal from the IDD detector head is totally dependent on the flame radiation from the burner and the sighting of the primary combustion zone Section 5 Troubleshooting If the detector head malfunctions ensure that the procedures described in the commissioning section have been performed successfully Refer to Table 1 for Troubleshooting information TABLE 1 IDD Detector Head Troubleshooting Sympt...

Page 17: ... containers and accompanying documents Forney accepts only material submitted in accordance with the RMA instructions To issue an RMA Forney must have the following information List of Equipment to be returned by stock number model number Reason for return Company name and address of customer Customer s requested mode for return shipping Customer s purchase order number for repairs if applicable C...

Page 18: ...ers 399854 xx Detector cable with connector xx consult Forney for available lengths 364524 01 Cable support bracket 381071 01 Cooling air chamber Standard IDD version 354943 01 1 NPT Valve and wye assembly 311027 01 1 NPT Insulating nipple 74947 03 3 to 1 NPT Reducer 74947 05 3 to 2 NPT Reducer 75450 06 1 NPT Close nipple 75450 09 2 NPT Close nipple 92527 02 IDD CEX Cooling chamber 91016 63 1 NPT ...

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