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Thank you for purchasing your Azbil 

Corporation product.
This manual contains information for 

ensuring the safe and correct use of the 

product.
Those designing or maintaining 

equipment that uses this product 

should first read and understand 

this manual. This manual contains 

information not only for installation, 

but also for maintenance, 

troubleshooting, etc. Be sure to keep it 

nearby for handy reference.

No. CP-SP-1454E

Flame Monitor 

Model AUR355

User’s Manual

Summary of Contents for AUR355

Page 1: ...of the product Those designing or maintaining equipment that uses this product should first read and understand this manual This manual contains information not only for installation but also for maintenance troubleshooting etc Be sure to keep it nearby for handy reference No CP SP 1454E Flame Monitor Model AUR355 User s Manual ...

Page 2: ...ifications in this manual are subject to change without notice Considerable effort has been made to ensure that this manual is complete and accurate but if you should find an omission or error please contact us In no event is Azbil Corporation liable to anyone for any indirect special or consequential damages as a result of using this product 2021 Azbil Corporation All Rights Reserved ...

Page 3: ...inor injury or property damage only In describing the product this manual uses the icons and conventions listed below Indicates that caution is required in handling The indicated action is prohibited Be sure to follow the indicated instructions Handling Precautions Information to be aware of when handling Note Indicates information that may be useful Indicates an item or page to which the user may...

Page 4: ...yond the product life the risk of device failure becomes higher Do not disassemble this device Doing so may cause malfunction device failure or electric shock Do not operate this device without first completing its adjustment and testing and also the testing specified by the combustion equipment manufacturer Never short circuit the start contact in order to start and stop this device by switching ...

Page 5: ... authorities and be sure to design the circuit correctly Use this device within the operating ranges given in the specifications for temperature humidity voltage vibration shock mounting position atmosphere etc Make sure that the flame detector does not detect the ignition spark If the ignition spark is detected change the position of the flame detector or ignition electrode For mounting and wirin...

Page 6: ...t terminals 11 12 The non replaceable fuse between these terminals will burn out If the fuse burns out replace this device Flame output terminals 11 12 is the safe output of this device However this device does not detect the short circuit of the flame output terminals 11 12 Check that the flame output terminals 11 12 is opened before carrying out flame detection with the flame output terminals 11...

Page 7: ...n equipment that uses the AUR355 should read this manual thoroughly This manual describes installation of this device Flame Monitor Model AUR355 User s Manual for Communication Functions Document No CP SP 1453E Personnel who use the communication functions of the AUR355 should read this manual Refer to this document when creating communication programs for equipment that uses this device It descri...

Page 8: ...se sold separately and removing it 8 Terminal numbers front panel item names 9 Terminal numbers 9 Example of wiring with external devices terminals 1 24 sub base terminals 25 35 front connector 12 Connection with model AUD300C 500C 14 Check of wiring between this device and model AUD300C or AUD500C 14 Chapter 3 Operating This Device 16 Part names 16 Operation 16 Communication setting mode 19 Host ...

Page 9: ... 28 Inspection procedure 28 Chapter 6 Maintenance and Inspection 34 General maintenance and inspection 34 Maintenance and inspection cycle 34 Alarm codes and details 35 What to do if E951 occurs 36 Failure inspection flowchart 37 Chapter 7 Specifications 38 Dimensions 40 ...

Page 10: ......

Page 11: ...t The design complies with JIS C 9730 2 5 and JIS C 9730 1 Equipped with host communications RS 485 to enable remote monitoring DIN rail mounting and a sub base structure are provided for easy installation and replacement Handling Precautions This device is equipped with functions that are extremely important for the safe operation of combustion equipment Be sure to follow the instructions stated ...

Page 12: ...s Precautions for system design Provide a purge function with external instrumentation taking into account factors such as the conditions for purge and the time settings Model No The dedicated sub base sideboard and front connector are not included with this device Please order them separately Basic model No Flame sensor Flame sensitivity Flame response Power voltage Reserved Reserved Other Descri...

Page 13: ...te YT with traceability certificate and tropicalization z Optional parts sold separately Model No Name BC R05A100 Dedicated sub base a requirement for the AUR355 81447514 001 Connector for front wiring Weidmüller model number BL3 5 11F Compatible wire 0 2 1 5 mm2 28 14 AWG 81447514 002 Connector for front wiring for right side wiring Weidmüller model number BL3 5 11 270F Compatible wire 0 2 1 5 mm...

Page 14: ...r frame is properly grounded complying with applicable local electrical codes ordinances and regulations Run the high voltage ignition transformer cable separately and keep it at least 30 cm away from this device Keep power wires and the ignition transformer high voltage cable separate from the flame detector wiring Make sure that ignition transformer high voltage cables are properly connected to ...

Page 15: ...ed on the instruction manual for that device if there is a device such as an inverter nearby that generates strong electrical noise Firmly tighten the terminal screws to the torque listed in the specifications Installation method WARNING Before mounting removing or wiring be sure to turn off the power to this device and all connected devices Failure to do so may result in an electric shock CAUTION...

Page 16: ... wiring while it is attached to the device Doing so can cause failure of the connectors or this device itself If there is room leave as much space as possible between them for heat dissipation If the ambient temperature is close to the allowable upper limit install a panel air conditioner or a fan to lower the temperature inside the panel Upper limit of allowable ambient temperature for installati...

Page 17: ...se is not upside down 3 Push up the DIN rail clamps to fasten the sub base to the DIN rail Pull down the DIN rail clamps Push the DIN rail clamps upwards to fix in place Attach sub base to DIN rail Mounting in a panel 1 Cut two M4 threaded holes in the panel Unit mm 62 5 M4 2 locations 2 Use screws to mount the sub base in the panel Maximum tightening torque 1 2 N m ...

Page 18: ...and removing it z Mounting 1 Align the indentation in the center of the top of the device with the projection on the sub base 2 Once aligned as in 1 slowly push the device toward the sub base 3 Tighten the device s retaining screws to secure it in the sub base Maximum tightening torque 0 5 N m z Removing 1 Remove the mounting screws 2 Pull the device out toward you while holding down the sub base ...

Page 19: ...ls No Code Function No Code Function 1 Not used 13 Not used 2 AC H Power supply H 14 F Flame detector F 3 AC G Power supply G 15 G Flame detector G 4 Not used 16 S1 Shutter output 1 for AUR355C 5 NC Flame relay N C output 17 S2 Shutter output 2 for AUR355C 6 COM Contact output common 18 Not used 7 FC Flame output with start check 19 COM1 Input common 1 8 Not used 20 COM2 Input common 2 9 EV NO Eve...

Page 20: ...LED indication Name Code Color Function 7 segment LED Green When normal operating status code flame voltage event code When an error occurs alarm code flame voltage FLAME FL Green Lit when flame signal is detected OFF when flame signal is off SHUTTER SHUT Green LED is ON when the flame detection circuit is being checked ALARM AL Red ON when fault stop occurs OFF when there is no fault stop While c...

Page 21: ...front wiring model 81447514 001 terminal layout 25 35 Mounting screw Wiring Screws for wiring Mounting screw z Connector for front wiring for right side wiring model 81447514 002 terminal layout 25 35 Screws for wiring Mounting screw Mounting screw Wiring ...

Page 22: ...mmon DC24 V Flame voltage output circuit FV FV RS 485 DA DB SG FL SHUT AL DISP switch RESET switch K7 K8 K6 Loader jack 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 1 2 3 4 5 6 7 8 9 10 11 12 33 34 35 Display Power circuit 2 5 A Event output 25 35 Terminal layout of connector for front wiring K3 Start check relay K5 K7 K8 Flame relay K6 Event relay Handling Precautions After mountin...

Page 23: ...L SHUT AL DISP switch RESET switch K7 K8 K6 Loader jack 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 1 2 3 4 5 6 7 8 9 10 11 12 33 34 35 Display Power circuit 2 5 A Event output 25 35 Terminal layout of connector for front wiring K3 Start check relay K5 K7 K8 Flame relay K6 Event relay Handling Precautions After mounting the connector for front wiring secure it in place with the mou...

Page 24: ... 200 m Check of wiring between this device and model AUD300C or AUD500C Necessary tools tester Input impedance of 100 kΩ or more To check that wiring to this device is correct remove the tube unit from the AUD300C or AUD500C and measure the DC voltage between terminals F and G with the tester as shown below Connect the tester probe red to terminal G yellow lead wire and the tester probe black to t...

Page 25: ...aching the brackets to a grounded metal part such as the combustion equipment housing For wiring to the power supply use 0 75 mm2 or larger wires diameter 0 18 strand count 30 in compliance with JIS C 3306 Attach a 187 Faston receptacle at one end and keep the wire length as short as possible This device 2 3 Power supply Surge absorber 83968019 001 Surge absorber 83968019 001 2 3 Power supply High...

Page 26: ...ion circuit is being checked All the LEDs are lit for 4 seconds after the power is turned on and then they turn off and the display of the operating status code begins If a fault stop occurs the alarm code and the code for the operating status where the fault stop occurred are displayed alternately Identifying information Item Notation Product number AUR355 _ _ _ _ _ _ _ Voltage AC _ _ _ V Timing ...

Page 27: ...hen an error occurs Sub code Alarm code Operating status code The item displayed changes every 0 8 s z If an event occurs If an event specified in advance occurs the 7 segment display displays the event code If multiple events have occurred all the corresponding event codes are sequentially displayed starting from the smallest one Display example if events A 1 and A2 have occurred The item display...

Page 28: ... false flame or welding of flame relay contacts Flame relay OFF A5 Turns ON if the flame relay turns OFF indicating a flame failure when the start input is ON during flame monitoring PF Use this event to check the flame detection status Flame relay OFF shutter closed A6 AUR355C Turns ON if the start input is ON and if the shutter is closed for 5 s or more Use this event to diagnose a failure of th...

Page 29: ...l you can set H 1 H2 and H3 even if the power is 100 V AC z Selection of communication setting mode z When a selection from H 1 to CL is made Communication address setting H 1 Use the DISP switch to select H 1 on the 7 segment display 1 Press the RESET switch The 7 segment display shows H 1 _ _ is the address value Default setting 1 2 When the DISP switch is pressed in this situation the display c...

Page 30: ...ation of settings CL Use the DISP switch to select CL on the 7 segment display 1 Press the RESET switch The 7 segment display shows CL nO 2 When the DISP switch is pressed in this situation the display toggles between CL nO no and CL y yes Select whether to initialize all the communication settings CL y Execute initialization CL nO Cancel initialization 3 After making a selection press the RESET s...

Page 31: ... communication setting mode and rewrite the communication settings with the correct values Host communication setting using the Smart Loader Package model SLP A55 Handling Precautions Until configuration is complete do not turn off the power or remove the loader cable If the power is turned off during configuration an error may result RS 485 host communication settings H 1 to H3 incommunication se...

Page 32: ...13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 6 7 8 9 10 11 12 R1 R2 Power circuit 2 5 A 5 Operation Operation of this device SHUT LED FL LED 7 seg Power ON Limit ON Voltage is applied to terminals 2 and 3 to the AUR355C and AUD300C 500C Ignition switch ON Relay R1 turns on when R2 2 turns off When R1 3 turns ON relay K3 start check relay turns ON PF When a pilot flame is detected relays K7 K8 and K...

Page 33: ...ected Operation Operation of this device SHUT LED FL LED 7 seg Start input OFF All relays are OFF Start input ON Flame monitoring starts and relay K3 turns ON PF Flame signal input If a flame signal is detected relays K5 K7 and K8 turn ON PF Start input OFF Relays K3 K5 K7 and K8 are ON while the flame signal is detected PF Flame signal OFF All relays turn OFF and the device transitions to control...

Page 34: ...e start input is OFF only the flame output without start check turns ON Also in a case where a flame signal is detected after the start input had been ON but has turned OFF only the flame output without start check turns ON Flame signal turnoff does not trigger recording of playback monitor data PF Start input Flame signal Flame output with start check Flame output Flame relay N C output Input Dis...

Page 35: ...al is detected relays K7 and K8 turn ON Start input ON Flame monitoring starts false flame detected PE Flame signal OFF Relays K7 and K8 turn OFF and the device continues monitoring the flame PF Lit Off Blinks PE Start input Flame signal Flame output with start check Flame output Flame relay N C output Input Display Output 7 segment display Start ON Flame detection Start OFF No flame detected Oper...

Page 36: ...ng starts and relay K3 turns ON PF Flame signal input If a flame signal is detected relays K5 K7 and K8 turn ON PF Shutter closed After the shutter remains closed for 5 seconds all relays turn OFF PF In the case above playback monitor data is recorded after the shutter remains closed for 5 seconds Lit Off Blinks Start input Flame signal Flame output with start check Flame output Striking time pass...

Page 37: ...stop or restarts after power OFF Instantaneous voltage drop drop in power of 50 Shorter than 100 ms Operation continues 100 ms or longer Operation continues or flame failure occurs due to voltage drop in the flame detector Because the voltage to the fuel valve also drops the fuel supply may decrease causing flame failure Playback monitor flame logger The playback monitor and flame logger functions...

Page 38: ...this device The pilot turn down test should be carried out only by specialists who have knowledge and skills concerning combustion equipment and combustion safety After turning on the power allow sufficient time before checking the output of this device This device does not start operation until about 8 seconds after power on Preliminary inspection The temperature and humidity are within the range...

Page 39: ...uring the pilot ignition sequence to check for any effect from the ignition spark 3 If the spark has an effect such as causing the flame LED of this device to light up refer to the user s manual for the combustion equipment and make adjustments in the following way Move the AUD flame detector or the flame rod so that the spark does not affect the flame voltage Attach a shield that prevents the spa...

Page 40: ...egment display The voltage can be checked by changing the display using the DISP switch on the front of the unit Checking the flame voltage is the best way to determine whether or not the location of the flame detector is appropriate The flame voltage should be checked during installation and servicing Checking it once per month or more can prevent shutdowns due to insufficient flame voltage Start...

Page 41: ...he flame will be absorbed into the ignition transformer and as a result sufficient flame voltage will not be achieved The voltage can be checked on the 7 segment display or by connecting a flame meter to terminals 25 26 on the front connector It is necessary to obtain a monitor communication connector 81447514 001 to connect the FSP136A100 and the AUR355 Analog flame meter FSP136A100 Flame voltage...

Page 42: ...e the smallest possible pilot flame that will reliably ignite the main burner Before and after this test make sure to measure the flame voltage and confirm that it is 2 0 V or more 1 Turn off the power to the equipment to stop all devices 2 Close the main valve by removing one side of the wiring to the main valve or by closing the manual cock to shut off the gas to the main burner Open the pilot v...

Page 43: ...l cock is closed however the pilot burner does not ignite and the equipment is locked out After confirming the above behavior open the manual cock Cancel the lockout restart the equipment and check that the burner ignites properly Flame failure check Close the manual gas cock while the burners are operating After the flame failure response time elapses the pilot valve and main valve close and the ...

Page 44: ...done at least once a year Inspect the combustion equipment periodically in accordance with the instructions given in the manual provided by the equipment manufacturer When cleaning the burner clean the flame detector also General maintenance and inspection When replacing this device observe the cautions p 1 and carry out all the inspections and adjustments of this device and the combustion equipme...

Page 45: ...Reset E9 53 Internal error process data value Internal memory error Reset E9 54 System error 1 CPU communication error Reset E9 55 Internal error input circuit Detection of part failure voltage applied to the input terminals by wrong wiring or strong inductive electrical noise to the signal wire Reset E9 56 Internal error input circuit Internal clock error Reset E9 57 Internal error EEPROM data va...

Page 46: ...set several times there is a problem with the product What to do if E951 occurs E951 occurs when the data read from this device s EEPROM is abnormal In order to write data correctly into the EEPROM the following operations are required before and after resetting E951 1 If E951 occurs do not reset the error immediately 2 Write correct data to event settings AUR tag and AUR memo using the Smart Load...

Page 47: ...es Check power supply and its wiring Check burner ignition pilot turn down test Check wiring Check shutoff valve Check ignition transformer Check pilot burner Check wiring Check flame monitoring position Check the AUR355 Check ignition transformer Check pilot burner Check wiring Check the view from the flame monitoring pipe for a light source causing false flame Check flame voltage level Check the...

Page 48: ...r connection terminals terminals 14 15 and 16 17 Contact rating Flame relay N C output Flame output with start check Event output Flame output 5 A 250 V cosφ 1 5 A 250 V cosφ 1 3 A 250 V cosφ 1 0 2 A 30 V DC cosφ 1 or 0 3 A 250 V AC cosφ 1 Flame detection level Model AUD300C 500C UV flame detector Flame rod Ionization Flame establishment 1 5 4 5 V DC 1 5 4 5 V DC Flame out detection 0 0 0 6 V DC 0...

Page 49: ...ximately 600 g incl sub base Wiring types and max wiring length Start Copper 600 V PVC insulated cable IEC 60227 3 1 25 mm2 recommended length 20 m or less max wiring length 100 m Contact reset Copper 600 V PVC insulated cable IEC 60227 3 1 25 mm2 recommended length 20 m or less max wiring length 100 m AUD300C 500C F G S1 S2 Copper 600 V PVC insulated cable IEC 60227 3 1 25 mm2 max wiring length 2...

Page 50: ...t Unit mm 95 105 27 17 Main unit mounting screw Main unit mounting screw 61 110 Sub base sold separately Sub base sold separately Connector for front wiring A DIN rail clamp Model No of connector for front wiring A 81447514 001 10 6 81447514 002 14 6 ...

Page 51: ...5 27 17 61 64 62 5 φ12 Knockout hole φ12 Knockout hole Sub base mounting hole Sub base mounting hole M3 5 terminal screw Knockout hole Knockout hole 16 z Sideboard model 81447515 001 sold separately Sub base 46 6 73 5 Sideboard Sideboard Sideboard φ19 knockout hole φ19 knockout hole Sub base 30 7 23 9 ...

Page 52: ......

Page 53: ...Revision History CP SP 1454E Date Edn New Page No Description June 2021 1 ...

Page 54: ... 3 Measures to be taken to secure the required level of the reliability and safety of your Equipment in your use Although azbil is constantly making efforts to improve the quality and reliability of Azbil Corporation s products there exists a possibility that parts and machinery may break down You are required to provide your Equipment with safety design such as fool proof design 1 and fail safe d...

Page 55: ...margin of your machine or equipment you are required to renew any Azbil Corporation s products every 5 to 10 years unless otherwise specified in specifications or instruction manuals System products field instruments sensors such as pressure flow level sensors regulating valves etc will reach the end of their life due to aged deterioration of parts For those parts that will reach the end of their ...

Page 56: ...1 12 2 Kawana Fujisawa Kanagawa 251 8522 Japan URL https www azbil com 11 Specifications are subject to change without notice 1st edition Jun 2021 S ...

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