Azbil AUR890 Series User Manual Download Page 1

Thank you for purchasing the AUR890. This 

manual contains information for ensuring 

the correct use of the AUR890.
This manual should be read by those who 

design and maintain equipment that uses 

the AUR890.
It also provides necessary information 

for installation, maintenance, and 

troubleshooting. Be sure to keep this 

manual nearby for handy reference.

No. CP-SP-1380E

AUR890

Burner Controller

User's Manual

Summary of Contents for AUR890 Series

Page 1: ...the AUR890 This manual should be read by those who design and maintain equipment that uses the AUR890 It also provides necessary information for installation maintenance and troubleshooting Be sure t...

Page 2: ...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...

Page 3: ...ng Precautions Handling Precautions indicate items that the user should pay attention to when handling this module Note Notes indicate information that might benefit the user This indicates the item o...

Page 4: ...e manufacturer If it does fuel will accumulate in the combustion chamber and form an explosive mixture resulting in a very dangerous situation in which an explosion could occur Ensure you turn off the...

Page 5: ...ct the spark change the detector s line of sight or change the ignition electrode s position Do not install where exposed to any of the following Certain chemicals or corrosive gases ammonia sulfur ch...

Page 6: ...ounting removing the device and sub base sold separately 8 When the base unit Q890A100 for RA890 replacement is used 9 Installation orientation 9 Mounting in a panel 9 Terminal numbers front panel ite...

Page 7: ...operation Non recycling oil fired combustion 2 level combustion 31 Operation when an ignition failure occurs Non recycling oil fired combustion 2 level combustion 32 Operation when a flame failure oc...

Page 8: ...Chapter 7 Specifications External dimensions 46 AUR890 with the BC R05A100 sub base 46 When combined with the Q890A100 base unit for RA890 AUR890 replacement 48 vi...

Page 9: ...tartup the controller will be locked out Perform fault diagnosis for the internal control relay circuit A base unit Q890A100 is available for use when replacing the RA890 Attach the cables that were c...

Page 10: ...cility design The facilities that use the combustion safety device must be designed taking into careful consideration the following safety guidelines and the like If the system is designed to a foreig...

Page 11: ...old separately AUD110C1000 A15 Advanced UV flame detector Terminal block model with AUD15C AUD15C1000 in package AUD120C120_ Advanced UV flame detector 1 2 inch mounting model Without G1 2 adapter AUD...

Page 12: ...nnected to L1 and a ground fault occurs current can leak to the solenoid valve and open it allowing fuel to flow out regardless of the status of the burner controller CAUTION This device should be ins...

Page 13: ...t starts when the power is switched on Doing so may prevent execution of the start check Connect the power to terminals 2 and 3 For start stop control connect the external controller for low voltage a...

Page 14: ...e Also do not install this device close to electric power devices or other sources of heat This device must be grounded within a grounded and conductive control panel to ensure safety Do not pull the...

Page 15: ...to the DIN rail while checking above and below the sub base 3 Push up the DIN rail clamp to attach the sub base to the DIN rail z z Mounting in a panel 1 Drill two M4 screw holes into the panel Unit...

Page 16: ...separately 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 push straight downwards slowly 3 Tighten the device s reta...

Page 17: ...ntations illustrated below z z Mounting in a panel 1 Cut three 5 mm diameter holes in the panel Unit mm 2 Loosen the four retaining screws to remove the upper part of the replacement base unit Display...

Page 18: ...lower part of the replacement base unit and then connect the cable connectors of the upper part of the base unit to the connectors on the lower part 5 After connecting the connectors attach the upper...

Page 19: ...r supply L2 N 15 Flame detector G 4 NC 16 NC 5 NC 17 External controller for low voltage use non voltage contacts betw Nos 17 20 6 Ignition transformer output 18 NC 7 Pilot valve output 19 NC 8 Main v...

Page 20: ...ront wiring 81447514 001 terminal layout z z Connector for front wiring for right side wiring 81447514 002 terminal layout 25 35 Mounting screw Wiring Wiring fastener screw Mounting screw 25 35 Wiring...

Page 21: ...pply L2 N 3 Pilot valve output 4 Ignition transformer output 5 Main valve output 6 Controller Power supply T External controller for low voltage Non voltage contacts T F Flame detector G COM Alarm out...

Page 22: ...power or for low voltage G F K3 L2 N NFB Pre purge completion signal External controller 1 for power supply External controller 1 for low voltage L1 Pilot valve 1 Main valve 1 K4 NC NC NC Alarm outpu...

Page 23: ...oil valve K4 NC NC NC Alarm output COM NC NC NC NC NC NC NC NC NC NC Alarm output NO Alarm output NC Combustion safety control circuit Reset switch DISP switch Power supply circuit 10A AUR890 BC R05A...

Page 24: ...pply Pre purge completion signal 1 Burner on off circuit Limit interlock circuit Blower operation circuit pre purge circuit AC input circuit 6 8 4 6 3 7 1 2 2 3 10 25 Reset switch DISP switch FLAME AL...

Page 25: ...wer supply Pre purge completion signal 1 Burner on off circuit Limit interlock circuit Blower operation circuit pre purge circuit AC input circuit 6 Fueloilvalve Two level fuel oil valve Ignition tran...

Page 26: ...ification flame rod Blue White Terminal 14 F G Terminal 15 Terminal Terminal 14 F G Terminal 15 F G If connection of the blue and white lead wires is reversed or if the connections to terminals F and...

Page 27: ...or more which complies with JIS C 3306 Attach 187 Faston receptacle at one end and make the wire length as short as possible when connecting it Connections when BC R05A100 sub base is used Connections...

Page 28: ...led fuel flow will not occur if there is a ground fault due to insulation failure on the high potential side H Wrong method of connection If the solenoid valve is connected to the high potential side...

Page 29: ...7 segment display shows a sequence code Every time the DISP switch is pressed the display is changed between the sequence code and flame voltage alternately Sequence codes Code Description P 1 Start c...

Page 30: ...ode Description E 1 None Interlock error E6 Ignition failure E7 Flame failure E9 02 Switch input E9 03 Internal relay feedback K1 E9 05 Abnormal voltage on terminal 7 PV E9 06 Abnormal voltage on term...

Page 31: ...er for either the power or for low voltage G F K3 L2 N NFB Pre purge completion signal External controller 1 for power supply External controller 1 for low voltage L1 Pilot valve 1 Main valve 1 K4 NC...

Page 32: ...el oil valve K4 NC NC NC Alarm output COM NC NC NC NC NC NC NC NC NC NC Alarm output NO Alarm output NC Combustion safety control circuit Reset switch DISP switch Power supply circuit 10A AUR890 BC R0...

Page 33: ...supply Pre purge completion signal 1 Burner on off circuit Limit interlock circuit Blower operation circuit pre purge circuit AC input circuit 6 8 4 6 3 7 1 2 2 3 10 25 Reset switch DISP switch FLAME...

Page 34: ...power supply Pre purge completion signal 1 Burner on off circuit Limit interlock circuit Blower operation circuit pre purge circuit AC input circuit 6 Fueloilvalve Two level fuel oil valve Ignition tr...

Page 35: ...in valve open 103X ON TM1 s contacts ON Burner operation switch OFF When the burner operation switch is turned OFF relays K1 K2 K3 and K4 turn off and the pilot and main valves begin to close The FLAM...

Page 36: ...er starts the pilot valve begins to open and external timer TM1 turns ON P4 Ignition transformer start Pilot valve open TM1 starts When the time set for TM1 has passed after the start of ignition tran...

Page 37: ...er the flame failure response time has passed the AUR890 will be locked out so that relays K1 K2 K3 and K4 turn OFF the pilot and main valves close relay K6 turns ON and the alarm output turns ON FLAM...

Page 38: ...e purge the pre purge completion signal is turned ON Blower operating External controller ON If there is a false flame signal before the external controller turns ON after the pre purge completion sig...

Page 39: ...transformer continues operation Fuel oil valve remains open When the flame sensor detects the flame from the fuel oil valve fuel relay K5 turns OFF the ignition transformer stops relay K4 turns ON the...

Page 40: ...atus is normal the lockout time begins relays K1 K2 K3 and K5 turn ON the ignition transformer starts the pilot valve begins to open and external timer TM1 turns ON P4 Ignition transformer start Fuel...

Page 41: ...e response time has passed the AUR890 will be locked out At that time relays K1 K2 K3 and K4 turn OFF the fuel oil valve and two level fuel oil valve close relay K6 turns ON and the alarm output turns...

Page 42: ...er the pre purge the pre purge completion signal is turned ON Blower operating External controller ON If there is a false flame signal before the external controller turns ON after the pre purge compl...

Page 43: ...ring ignition CAUTION Mounting wiring maintenance inspection calibration etc should be carried out by a professional with technical training in combustion systems and combustion safety devices The pil...

Page 44: ...aviolet radiation from entering the optical path of the UV sensor Adjust so that the spark s effect on the flame signal is 0 4 Vdc or less In the case of a solid state power semi terminal drive ignite...

Page 45: ...tage or frequency is not correct 2 The air supply pressure or air fuel ratio is not correct 3 The flame detector is not correctly wired Open circuit Short circuit High resistance short circuit of the...

Page 46: ...t is configured with an external timer A flame failure can occur if an ignition attempt is made just before the ignition time expires This is because the supply of power to the pilot valve and main va...

Page 47: ...e purpose of this test is to determine 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...

Page 48: ...anual gas cock Turn on the start input of the burner to begin operation After the pre purge an attempt is made to ignite the pilot burner Since the manual cock is closed however the pilot burner does...

Page 49: ...f the burner make sure to do the pilot turn down test Inspect the burner at least once a year Also follow the instructions for periodic inspection that are given in the combustion equipment manufactur...

Page 50: ...alve output was OFF voltage was detected for 30 seconds Note This error can occur because of a ground fault voltage supply to terminal 8 from an external circuit bypass circuit etc or relay K4 failure...

Page 51: ...ice Replace this device Replace this device Main burner ignites Extinguished Alarm sounds Was FLAME LED of this device lit Inspect wiring of this device Replace this device Inspect wiring of this devi...

Page 52: ...rod Ionization Flame establishment 1 5 4 5 Vdc Flame out detection 0 2 0 6 Vdc Flame establishment 1 5 4 5 Vdc Flame out detection 0 0 0 1 Vdc Flame voltage output Recommended flame voltage Must be st...

Page 53: ...ely 1200 g When used in combination with the replacement base unit Approximately 600 g incl sub base Wiring types and max wiring length External controller for low voltage 600 V PVC insulated copper w...

Page 54: ...e BC R05A100 sub base Unit mm Body Model number A 81447514 001 10 6 81447514 002 14 6 95 110 Sub base sold separately DIN rail clamp Connector for front wiring A 105 27 17 Sub base sold separately AUR...

Page 55: ...7515 001 sold separately DIN rail clamp 95 105 27 17 61 64 62 5 12 knockout hole 12 knockout hole Sub base mounting hole Sub base mounting hole M3 5 terminal screw Knockout hole Knockout hole 16 Sub b...

Page 56: ...10 6 81447514 002 14 6 M4 ground screw 155 25 5 9 5 31 23 45 126 5 5 126 23 hole 4 places Grommet 4 places AUR890 main unit fastening screw Screw 4 securing the upper part of the replacement base unit...

Page 57: ...apter 7 Specifications Unit mm With the base unit Q890A100 for RA890 replacement purchased separately Sideboard in package M4 ground screw 5 5 45 126 9 5 23 31 25 5 78 Grommet 4 places 23 hole 4 place...

Page 58: ...50...

Page 59: ...Revision History of CP SP 1380E Printed Edn Revised pages Description Feb 2015 1...

Page 60: ...documents provided by Azbil Corporation are for your reference purpose only and you are required to check the functions and safety of your Equipment prior to your use 3 Measures to be taken to secure...

Page 61: ...tru ments 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 life du...

Page 62: ...09 Specifications are subject to change without notice 1 12 2 Kawana Fujisawa Kanagawa 251 8522 Japan URL http www azbil com 1st edition Feb 2015 K...

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