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1. may damage the tube Put the tube in a secure packing box when transporting it Always separate flame signal wires from the high voltage ignition wires and other power wires Be sure to run signal wires in a separate conduit The effective life of the UV tube is 3 years or a total of 25 000 hours of use after the date of inspection by Yamatake Corporation To be safe be sure to replace the UV tube within this period A sticker showing the operating life of the UV tube is included with the C7035A Please use it for maintenance management UNPACKING Check for the following items when removing the C7035A from its package If there is some problem with your order please contact your dealer promptly E Included items one each C7035A Gasket UV tube Socket Protective cover User s manual this document UV tube operating life sticker M Labels and Sticker Wiring label This label is affixed to the C7035A and shows how to wire it Be sure to correctly N A DIV RFE Y SY C7035A1064J Jg TOFI bUL ADMBIABE EFA AB EGTA SM LET WUEMOBSAUVF 1 7 tRELET Yamatake Corporation UV tube operating life label This label is affixed to the UV tube TAARE 40 120 C 129464NJ Yamatake Corporation WFa 7 AAAH xxx A KEISER HAR 250004 UV tube operating life sticker This sticker is included with the C7035A Please use it for maintenance management UVF 1 7 Ase ARR N FNo 3
2. FARABR A 4 BF B OILEGEYV a VICE HHS E lt ERA L lt HMB AK TES COY ILDE ACT LMGRITAAY WF ZNE IZ TFS Thermolabel This label is affixed to the UV tube Keep the air cool enough by air purge etc so that the label does not change color from white to black Use it as a guide to avoid use of the tube in an environment with excessive ambient temperature O 110 115 120 1 Overview E Features e The C7035A is a flame detector that senses ultraviolet radiation from an oil or gas burner flame e The C7035A conforms to UL Underwriters Laboratories FM Factory Mutual and CSA Canadian Standards Association standards e The C7035A can be used in ambient temperatures up to 120 C 2 External Dimensions and Structure E External Dimensions Unit mm 110 57 Mountin nut 9 37 129464NJ UV tube Protective 1 11BSP 67 MARKEL 1 2 14BSP Insertion length Lead wires 1800 mm long 129464NJ UV Tube Structure Thermolabel Socket ee Quartz glass tube aa Label QR code 3 Installation Method CAUTION Be sure to take sufficient countermeasures if there is a possibility that the C7035A can detect a source of radiation other than the burner flame Sources of radiation most are not relevant under normal circumstances e UV rays Red hot furnace wall 1371 C or more ignition transformer and welding arc sparks gas
3. In no event is Yamatake Corporation liable to anyone for any indirect special or consequential damages as a result of using this product 2008 Yamatake Corporation ALL RIGHTS RESERVED SAFETY PRECAUTIONS Safety precautions are for ensuring safe and correct use of this product and for preventing injury to the operator and other people or damage to property You must observe these safety precautions Also be sure to read and understand the contents of this user s manual WARNING Warnings are indicated when mishandling this product might result in death or serious injury to the user CAUTION Cautions are indicated when mishandling this product might result in minor injury to the user or only physical damage to this product N WARNING e Be sure to turn the power off before wiring this device Failure to do so could result in electric shock CAUTION e Use only to detect the flame of batch operation combustion equipment at least one start and stop in a 24 hour period Use only with a Yamatake flame safeguard control see section 6 Compatible Flame Safeguard Controls Installation wiring inspection adjustment of the C7035A should be carried out by a trained and experienced technician who has knowledge and technical skills related to combustion equipment and flame safeguard control equipment Do not transport combustion equipment without first removing the UV tube Otherwise vibration or shock
4. inspection After wiring check the following 1 Insert the plug from the FSP136A100 analog flame meter into the flame current measurement jack on the amplifier of the flame safeguard control 2 Light a lighter or a match in front of the UV tube to check that the C7035A is operating properly J Handling Precautions e Before using an open flame check that there is no flammable gas in the vicinity 3 Mount the C7035A on the monitoring pipe temporarily 4 Start the combustion of the burner 5 To determine the optimal monitoring position measure the flame current voltage with the FSP136A100 analog flame meter while moving the monitoring pipe little by little in order to find a position where the highest stable current voltage is shown within flame current voltage range specified for the flame safeguard control Fluctuation within approximately the width of the flame meter needle is acceptable For flame current voltage ranges refer to the user s manual for the flame safeguard control Pilot burner turndown test This test is intended to verify that the flame is correctly passed to the main burner when this device detects the pilot flame even when the gas and air pressure are at their worst levels WARNING e f the flame detector is set so that it detects a pilot flame that is too small to ignite the main flame the C7035A will not be able to recognize for example a flame failure in the main burner
5. lasers sunlamps disinfecting lamps strong flashlight etc Gamma rays and X rays Diffraction analyzers electron microscopes X ray machines high voltage vacuum switches high voltage capacitors radioactive isotopes etc Countermeasures are also required in atmospheres that obstruct the transmission of ultraviolet rays due to steam soot and smoke oil spray dust etc E Temporary mounting of monitoring pipe Materials of monitoring pipe e Use a monitoring pipe with a black inside wall Before mounting this unit Stainless steel and galvanized pipes are not good To mount this unit correctly thoroughly read the because they reflect UV rays internally instruction manuals published by burner boiler complicating aiming of the pipe and or other equipment manufacturers Make a proper mounting plan based on the instruction manuals Appropriate mounting is the basis for good e To avoid heat conductance to the C7035A be sure to use a material with low heat conductivity combustion safety control Size of monitoring pipe Tee for air purg ae For the detector to receive the optimal amount of UV radiation its field of vision should be as wide as Temporary tack wea N X possible To that end do the following SK 1 Use the widest monitoring pipe possible at least 50A to 80A and connect the C7035A with a Sealed adapter reducer 2 Make the monitoring pipe as short as possible However do not allow the ambient o
6. CP UM 1142E C7035A Compact Ultraviolet Flame Detector User s Manual Thank you for purchasing the C7035A This manual contains information for ensuring correct use of the C7035A It also provides necessary information for installation maintenance and troubleshooting This manual should be read by those who design and maintain devices that use the C7035A Be sure to keep this manual nearby for handy reference RESTRICTIONS ON USE This product has been designed developed and manufactured for general purpose application in machinery and equipment Accordingly when used in applications outlined below special care should be taken to implement a fail safe and or redundant design concept as well as a periodic maintenance program e Safety devices for plant worker protection e Start stop control devices for transportation and material handling machines e Aeronautical aerospace machines e Control devices for nuclear reactors Never use this product in applications where human safety may be put at risk NOTICE Be sure that the user receives this manual before the product is used Copying or duplicating this user s manual in part or in whole is forbidden The information and specifications in this manual are subject to change without notice Considerable effort has been made to ensure that this manual is free from inaccuracies and omissions If you should find an error or omission please contact Yamatake Corporation
7. In this case fuel would continue to be supplied causing a serious explosion hazard To prevent this be sure to do the pilot turndown test carefully If it is necessary to do this test repeatedly completely shut down all equipment each time the test is finished and completely discharge unburned gas or oil that has accumulated in the ducts and combustion chamber Failure to discharge unburned gas may result in an explosion CAUTION e This test should be done only by a trained and experienced professional For details about how to carry out the pilot turndown test refer to the user s manual of flame safeguard control used with this device as well as the instrument manuals published by equipment manufacturers Ignition spark response test Make sure that the flame relay normally relay 2K is not affected by the spark generated by the ignition transformer Make sure that the C7035A does not respond to the ultraviolet radiation from the ignition spark N WARNING e Make sure that this device does not detect ultraviolet rays other than those of the burner flame For details about how to carry out the ignition spark response test refer to the user s manual for the flame safeguard control used with this device as well as the instrument manuals published by equipment manufacturers E Final mounting of the monitoring pipe e When the equipment is operating properly with the specified flame voltage output aft
8. een each lead wire and the metal part of socket when the UV tube is removed Allowable pressure 34 5 kPa Vibration resistance 5 m s max 10 to 60 Hz for 2 hours each in X Y and Z directions Mounting nut 1 11BSP G1 or equivalent Lead wires AWG 18 approx 1 2 mm stranded wire with heat resistant silicone rubber insulation 1800 mm long blue and white Conduit 1 2 14BPS G1 2 or equivalent Standards compliance UL FM and CSA Flame signal wire Standard 2 0 mm 600 Vac cable with PVC insulation IV cable Max length approx 200 m 6 Compatible Flame Safeguard Controls 7 Maintenance Optional Parts sold separately sold separately Name Model No Control UV tube protective cover 191284 Protectorelay RABG UV tube 129464NJ R4750C built in ultraviolet photoelectric tube R4780C Sealed adapter 81403159 ae ieee Analog flame meter FSP136A100 Relay module RM7800 Series R7849A Flange gasket jeans Flame module WN200A discontinued R7259B WN210A discontinued discontinued Flame Flame relay FRS100C o az bil Specifications are subject to change without notice 08 Yamatake Corporation Advanced Automation Company 1 12 2 Kawana Fujisawa Kanagawa 251 8522 Japan URL http www azbil com 1st Edition Issued in May 2008 M
9. er all adjustments have been completed turn OFF the power to the equipment remove the C7035A and weld the monitoring pipe permanently e Securely mount the C7035A on the monitoring pipe and do the final wiring carefully E Final inspection To ensure proper burner control do a trial run of at least one complete operation cycle of the combustion equipment to verify that all control operations function correctly 4 Maintenance and Inspection CAUTION e The effective life of the UV tube is 3 years or a total of 25 000 hours of use after the date of inspection by Yamatake Corporation To be safe be sure to replace the UV tube within this period e To avoid damaging the UV tube during replacement be sure to hold the socket rather than the glass tube e After a new UV tube is removed from its package handle it carefully to prevent shock or impact that could cause damage When transporting or storing the UV tube pack it carefully in a secure packing box so that it is not damaged E UV tube maintenance and inspection Flame failure test Do this test periodically to check the function of the UV tube During normal burner combustion block the monitoring pipe window so that there is no flame signal or else cut off the fuel at the source to extinguish the burner flame Check that the flame failure is detected and that the main valve and pilot valve are closed UV tube cleaning Periodically clean the light rece
10. hing the detector Flame safeguard Flame depth shallow angle control view Incorrect C7035A gt Correct detector in good sighting position a OO ee a oy Unburned fuel e Always keep the flame signal cables separate from the high voltage ignition cables and power cables Run the signal cables in a separate conduit Flame depth perpendicular view Incorrect detector in poor sighting position Wiring check CAUTION e Before turning the power supply ON check that the wiring to terminals F and G is correct using the steps below Digital voltmeter Ne commercially available tester Pin No 1 white probe Socket e Check procedure 1 Remove the UV tube from the socket 2 Supply power to the flame safeguard control 3 Measure the DC voltage in the socket with a digital voltmeter or tester a Connect the probe to the No 1 pin on the socket white lead wire b Connect the probe to the No 3 pin on the socket blue lead wire e Reference voltage using an Advantest TR6841 voltmeter Measured DC voltage value Positive 150 to 180 Vdc Positive 160 to 210 Vdc Positive 180 to 230 Vdc CJ Handling Precautions e f the above measured value is negative the wiring for terminals F and G is probably reversed e Mount the UV tube only after verifying by means of this wiring check that the wiring is correct Adjustment and
11. iving glass surface of the UV tube using the following procedure 1 Remove the C7035A from the monitoring pipe 2 Remove the protective cover and clean the glass using a soft cloth 3 Reattach the protective cover 4 Put the C7035A back on the monitoring pipe UV tube cooling If the ambient temperature increases above 120 C the white points on the thermolabel will change color to black In this case make the air cooler by air purging or alternately use a sealed adapter Part No 81403159 to increase the distance from the heat source 42 dia Connection port for air purging Unit mm Hexagonal tube R1 8 Pa a S ae ee Li l carers L NO J SN G1 Heat resistance to 120 C without air purging UV tube replacement method 1 Protective cover Remove and replace the protective cover carefully so as not to damage the UV tube When putting the cover on be sure to push it fully to the end so that it does not fall off during use Protective cover 2 UV tube Hold the socket when inserting or removing the UV tube to avoid damaging the tube To insert first align the yellow mark on the UV tube with the mark on the socket and then push the tube fully into the socket Mark on the socket Yellow mark C Handling Precautions e Do not touch the light receiving glass face by hand 5 Specifications 40 C 80 FH max Insulation resistance 50 MQ min by 500 Vdc megger betw
12. perating temperature to rise above 120 C Pilot burner Mounting space Leave sufficient space to allow easy maintenance and inspection Reducer Monitoring pipe 50A to 80A Main burner E Wiring Mounting angle e Mount the C7035A so that it monitors the burner A WARNING at an angle from above CJ Handling Precautions e Be sure to turn the power OFF before wiring the C7035A Failure to do so might cause electric shock elf the C7035A monitors from below or in the same horizontal plane dust or soot AN CAUTION may accumulate on the monitoring window or in the monitoring pipe blocking the UV e Carry out the wiring work in conformity with the rays and preventing flame detection specifications in this document e To avoid electric shock or damage connect the e Mount the C7035A so that its monitoring power supply last direction intersects the flame axis at the smallest possible angle e Connect the blue signal lead from the C7035A to terminal F and the white signal lead to terminal G of Note the flame safeguard control Incorrect wiring might e The part of the flame that emits the most damage the UV tube ultraviolet radiation is the first 30 near the Flame safeguard burner nozzle control e A small monitoring angle relative to the flame axis provides the maximum overlap between Correct the C7035A s monitoring area and the flame It therefore maximizes the amount of UV radiation reac

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