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10170.

website:

https://www.add-furnace.com/

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02-888-3472

Line ID: @add11 Wechat ID: add0883001122

118

LOA2...

LOA3...

Oil Burner Controls

LOA2...

LOA3...

Oil burner controls for the supervision, startup and control of 1- or 2-stage forced
draft oil burners in intermittent operation. Oil throughput of less than 30 kg/h.

The LOA2... / LOA3... and this Data Sheet are intended for use by OEMs which

integrate the oil burner controls in their products.

Use, features

Use

General features

Specific features

CC1N7118en

19.05.2016

The LOA... are used for the startup, supervision and control of 1- or 2-stage forced draft
oil burners in intermittent operation.

Yellow-burning flames are supervised with photoresistive detectors QRB..., blue-

burning flames with blue-flame detectors QRC...



Applications in accordance with EN 267: Automatic forced draft burners for liquid
fuels





Type-tested and approved in accordance with DIN EN 230:1991



Undervoltage detection

Bridging contact for oil preheater (not with LOA28.173A27)

Special versions including models for incinerator plants and flash-steam generators

LOA36... with color display of flame intensity and operating



Note!

Donot use for new designs.



Building Technologies Division

Содержание LOA2 Series

Страница 1: ...Specific features CC1N7118en 19 05 2016 The LOA are used for the startup supervision and control of 1 or 2 stage forced draft oil burners in intermittent operation Yellow burning flames are supervised with photoresistive detectors QRB blue burning flames with blue flame detectors QRC Applications in accordance with EN 267 Automatic forced draft burners for liquid fuels Type tested and approved in ...

Страница 2: ... a risk of electric shock Each time work has been carried out mounting installation service work etc check to ensure that wiring is in an orderly state and make the safety checks as indicated in Commissioning notes above If this is not observed there is a risk of loss of safety functions and a risk of electric shock Press the lockout reset button operating button only manually applying a force of ...

Страница 3: ...y III conditions in each pole Secure the earthing lug in the terminal base with a metric screw and a lockwasher or similar Switches fuses earthing etc must be in compliance with local regulations primary fuse max 10 A fast For safety reasons feed the neutral conductor to the neutral distributor in the plug in base or to terminal 2 Connect the burner components fan ignition transformer and fuel val...

Страница 4: ... must be checked after the burner control is installed in equipment Compliance with the regulations of the applied directives is verified by the adherence to the following standards regulations Household and similar electrical appliances Safety Electrical equipment of non electric heated cooking and heating appliances The relevant valid edition of the standards can be found in the declaration of c...

Страница 5: ...Terms of Delivery Disposal notes The unit contains electrical and electronic components and must not be disposed of together with domestic waste Local and currently valid legislation must be observed Mechanical design The oil burner controls are of plug in design suitable for installation in any position on burners in control cabinets or on control panels The housing is made of impact proof heat r...

Страница 6: ...C 110 V 13 13 10 20 20 LMO24 111C1 BPZ LOA24 173A27 LOA24 173A27 AC 220 V 13 13 10 20 2 20 LMO14 113C2 With remote reset facility BPZ LOA26 171B27 LOA26 171B27 AC 220 V 13 13 10 20 20 LMO14 111C2 LMO24 111C2 BPZ LOA36 171A27 LOA36 171A27 AC 220 V 13 13 10 20 20 LMO14 111C2 LMO24 111C2 For incinerator plant AC 220 V BPZ LOA25 173C27 LOA25 173C27 13 13 10 2 20 BPZ LOA28 173A27 LOA28 173A27 AC 220 V ...

Страница 7: ...ions of burner controls on the burner With signal lamps for program indication With on off switch for simulating the flame signal With holes for checking the control voltages at the tabs of the burner control With one pair of jacks for measuring the flame detector s resistance Test adapter KF8885 For checking the functions of burner controls on the burner With switch for manual startup of burner W...

Страница 8: ...lug in base AGK11 To connect the small capacity burner controls to the burner plant See Data Sheet N7201 Cable holder AGK66 For plug in base AGK11 See Data Sheet N7201 Cable holder AGK65 For plug in base AGK11 See Data Sheet N7201 Flame detectors Photoresistive detectors QRB See Data Sheet N7714 Frontal illumination Blue flame detectors QRC See Data Sheet N7716 8 16 Lateral illumination Building T...

Страница 9: ...uators Actuator SQN3 See Data Sheet N7808 Actuator SQN7 See Data Sheet N7804 Actuator SQN9 See Data Sheet N7806 Adapters replacement No rewiring required types Adapter KF8819 For replacing LAB1 LAI by LOA No rewiring of plug in base required Others Remote reset module ARK21A27 For use with the LOA26 LOA36 printed circuit board versions 9 16 Building Technologies Division CC1N7118en 19 05 2016 ...

Страница 10: ...nal Terminal Terminal Terminal Terminal at cos 0 6 4 5 6 7 8 10 max max max max max max LOA24 171B17 1 A 1 A 2 A 2 A 5 A 1 A LOA24 171B27 1 A 1 A 2 A 2 A 5 A 1 A LOA24 173A27 1 A 1 A 2 A 1 5 A 5 A 1 A LOA25 173C27 1 A 1 A 2 A 2 A 5 A 1 A LOA26 171B27 1 A 1 A 2 A 0 1 A 5 A 1 A LOA28 173A27 1 A 1 A 2 A 2 A 5 A 1 A LOA36 171A27 1 A 1 A Environmental Storage DIN EN 60721 3 1 conditions Climatic condit...

Страница 11: ...ax 5 5 µA Max 110 µA These types of LOA must not be used in connection with QRC blue flame detectors Data given in the above table only apply under the following conditions Mains voltage depending on version AC 110 V or AC 220 240 V Ambient temperature 23 C Measuring circuit for QRC LOA detector current 11 12 1 Legend br measurement bl sw 7118v02 0102 µA DC DC microammeter with an internal resista...

Страница 12: ...me without flame LOA24 171B27 LOA24 171B17 LOA25 173C27 Min 70 µA Max 5 5 µA Max 210 µA LOA26 171B27 LOA28 173A27 LOA24 173A27 Min 45 µA Max 5 5 µA Max 45 µA LOA36 171A27 Min 70 µA Max 5 5 µA Max 900 µA Data given in the above table only apply under the following conditions Mains voltage depending on version AC 110 V or AC 220 240 V Ambient temperature 23 C Measuring circuit for detector current m...

Страница 13: ...nt will immediately be deactivated 1 second The lockout indication lamp lights up red and terminal 10 AL for remote lockout indication receives voltage This state is also maintained in the event of mains voltage failure Cause Response Mains voltage failure Restart Extraneous light on burner startup Lockout with LOA25 LOA28 Prevention of start No flame at the end of TSA Lockout Loss of flame during...

Страница 14: ... V 8 TZ 5 11 1 2 10 3 7 6 4 9 12 SB W OW R OH QRB Z AL N Si BV1 L M BV2 N QRC b l s w 1 br LOA28 173A27 L1 x y z c d e f g 7118a10 1004 LOA25 173C27 tz2 EK1 fr tz1 b a FR K V 1 2 TZ 12 10 8 3 6 7 4 5 9 11 SB W OW R OH AL Z Si N BV1 BV2 QRB M L N R A A B C D SB 1 W OH 8 OW t3n 3 M 3 tw t1 6 Z 7 t3 TSA BV1 4 t4 5 BV2 FS 11 7118d04 0402 12 R A A B C D SB 1 W OH 8 OW 3 M t3n 3 7 Z tw t1 t3n 6 t3 TSA B...

Страница 15: ...Blue flame detector FR Flame relay with contacts fr bl blue br brown sw black fr Bridging contact for release contact of the oil R Control thermostat or pressurestat preheater SA Actuator with automatic setback FS Flame signal SB Safety limit thermostat K Catch of flame relay for locking contact tz1 Si External primary fuse in the event of premature flame signals or for TZ Thermal electric sequenc...

Страница 16: ... Indication of flame strength green Remote lockout reset module ARK21A27 23 12 83 5 67 5 50 66 16 16 Building Technologies Divisi Remote lockout reset module for use with the LOA26 LOA36 Printed circuit board with no housing Degree of protection IP00 which means that protection against electric shock hazard must be ensured through mounting Do not place any metal objects in the hatched area The mod...

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