Weishaupt WL20/1-C Manual
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Weishaupt WL20/1-C Manual

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Installation and operating instruction
Oil burner WL20/1-C
83302002 1/2019-04

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Summary of Contents for Weishaupt WL20/1-C

  • Page 1 Installation and operating instruction Oil burner WL20/1-C 83302002 1/2019-04...

  • Page 2: Table Of Contents

    Installation and operating instruction Oil burner WL20/1-C User instructions ...................... 4 1.1   Target group ........................ 4 1.2   Symbols ..........................  4 1.3   Guarantee and Liability .................... 5 Safety  .............................  6 2.1   Designated application .................... 6 2.2   Safety measures ...................... 6 2.2.1   Normal operation .................... 6 2.2.2  ...
  • Page 3 Installation and operating instruction Oil burner WL20/1-C Commissioning ...................... 26 7.1   Prerequisite  ......................... 26 7.1.1   Connect measuring devices ................ 26 7.1.2   Setting values ......................  28 7.2   Adjusting the burner .................... 30 7.3   Concluding work  ...................... 31 7.4   Check combustion ..................... 32 Shutdown ..........................  33 Servicing ..........................

  • Page 4: User Instructions

    Installation and operating instruction Oil burner WL20/1-C 1 User instructions 1 User instructions This manual forms part of the equipment and must be kept on site. Translation of original Carefully read the manual prior to working on the unit. operating instructions 1.1 Target group...

  • Page 5: Guarantee And Liability

    Weishaupt parts, force majeure, unauthorised modifications made to the unit, the installation of additional components, which have not been tested with the...

  • Page 6: Safety

    Installation and operating instruction Oil burner WL20/1-C 2 Safety 2 Safety 2.1 Designated application The burner is suitable for operation on heat exchangers to EN 303 and EN 267. If the burner is not used on combustion chambers to EN 303 and EN 267, a safety...

  • Page 7: Alterations To The Construction Of The Equipment

    Oil burner WL20/1-C 2 Safety 2.3 Alterations to the construction of the equipment All conversions require written approval from Max Weishaupt GmbH. No additional components may be fitted, which have not been tested for use with the equipment. Do not use combustion chamber inserts, which hinder flame burnout.

  • Page 8: Product Description

    Installation and operating instruction Oil burner WL20/1-C 3 Product description 3 Product description 3.1 Type key WL20/1-C Type: W burner Fuel: Oil EL Size Ratings size Construction 3.2 Serial number The serial number on the name plate identifies the product. This is required by Weishaupt's customer service department.

  • Page 9: Function

    Installation and operating instruction Oil burner WL20/1-C 3 Product description 3.3 Function 3.3.1 Air supply Air damper The air damper regulates the air quantity required for combustion. The air damper position is set using a setting screw on the air damper or the actuator (optional).

  • Page 10: Oil Supply

    Installation and operating instruction Oil burner WL20/1-C 3 Product description 3.3.2 Oil supply Oil pump The pump draws the oil through the supply line and carries it under pressure to the oil nozzle. The pressure regulating valve keeps the oil pressure constant.

  • Page 11: Electrical Components

    Installation and operating instruction Oil burner WL20/1-C 3 Product description 3.3.3 Electrical components Combustion Manager The combustion manager W-FM is the control unit of the burner. It controls the sequence of operation and monitors the flame. Burner motor The burner motor drives the fan wheel and the oil pump.

  • Page 12: Program Sequence

    Installation and operating instruction Oil burner WL20/1-C 3 Product description 3.3.4 Program sequence Pre-purge without actuator At heat demand, the burner motor starts after the initialisation time (T ) has elapsed. The combustion chamber is pre-purged. Pre-purge with actuator (optional) At heat demand, the air damper actuator starts after the initialisation time (T ) has elapsed.
  • Page 13 Installation and operating instruction Oil burner WL20/1-C 3 Product description W-FM 05 T1 T2 Flame sensor Initialisation time: 1 s Temperature or pressure regulator Post-purge time: 1.2 s Temperature or pressure limiter Post-purge time: 6.5 s Anti siphon valve (optional) Safety time: 4.6 s...

  • Page 14: Technical Data

    Installation and operating instruction Oil burner WL20/1-C 3 Product description 3.4 Technical data 3.4.1 Approval data PIN 2014/68/EU Z-IS-TAF-MUC-14-05-376456-004 DIN CERTCO 5G982 Basic standards EN 267:2011 Additional standards, see EU conformity certifica- tion. 3.4.2 Electrical data Mains voltage / mains frequency...

  • Page 15: Emissions

    Installation and operating instruction Oil burner WL20/1-C 3 Product description 3.4.5 Emissions Flue gas To EN 267 the burner complies with emission class 3. The NO values are influenced by: combustion chamber dimensions flue gas system fuel combustion air (temperature and humidity)

  • Page 16: Rating

    Installation and operating instruction Oil burner WL20/1-C 3 Product description 3.4.6 Rating Combustion heat rating Combustion heat rating 50 … 120 kW 4.2 … 10.1 kg/h Combustion head W20/1-C The oil throughput data relates to a calorific value of 11.9 kWh/kg for fuel oil EL.

  • Page 17: Dimensions

    Installation and operating instruction Oil burner WL20/1-C 3 Product description 3.4.7 Dimensions Burner –weishaupt– 31 mm 358 mm 393 mm 1 137 mm without combustion head extension 237 mm with combustion head extension (100 mm) 337 mm with combustion head extension (200 mm) 437 mm with combustion head extension (300 mm) 3.4.8 Weight...

  • Page 18: Installation

    Installation and operating instruction Oil burner WL20/1-C 4 Installation 4 Installation 4.1 Installation conditions Burner type and capacity graph Burner and heat exchanger must be matched. Check burner type and burner capacity. Installation location Prior to installation ensure that: sufficient space is available for normal and service position [ch. 3.4.7],...

  • Page 19: Selecting A Nozzle

    Installation and operating instruction Oil burner WL20/1-C 4 Installation 4.2 Selecting a nozzle Determine nozzle size. Recommended nozzles Make Characteristics Steinen 60°S, 60°H Fluidics 60°SF, 60°HF We recommend Fluidics nozzles for nozzle sizes 1.00 … 1.35 gph. Pump pressure setting 10 … 12 … 14 bar Spray characteristic and spray angle varies depending on pump pressure.

  • Page 20: Burner Installation

    Installation and operating instruction Oil burner WL20/1-C 4 Installation 4.3 Burner installation Remove burner flange 1 from burner housing. Fit flange gasket 2 and burner flange 1 to the heat exchanger using screws 3. The aperture between combustion head and refractory should be filled with flame-proof, resilient insulating material (do not make solid).

  • Page 21: Rotate Burner By 180° (Optional)

    Installation and operating instruction Oil burner WL20/1-C 4 Installation 4.3.1 Rotate burner by 180° (optional) A pressure hose (DN 4, 286 mm) for installation rotated by 180° is required. Place stay bolt 1 into neighbouring threaded holes. Place burner into service position A [ch. 9.3].

  • Page 22: Installation

    Installation and operating instruction Oil burner WL20/1-C 5 Installation 5 Installation 5.1 Oil supply Observe EN 12514-2, DIN 4755, TRÖI and local regulations. Check conditions for oil pump Suction resistance max 0.4 bar Supply pressure max 2 bar Supply temperature max 60 °C...
  • Page 23 Installation and operating instruction Oil burner WL20/1-C 5 Installation Connect oil supply and observe: do not twist oil hoses avoid mechanical tension consider length of hose required for the service position, do not kink oil hoses (curve radius 1 of 50 mm must be maintained).

  • Page 24: Electrical Connection

    Installation and operating instruction Oil burner WL20/1-C 5 Installation 5.2 Electrical connection Observe wiring diagram [ch. 11.2]. Check polarity and wiring of 7 pole connection plug 1. Plug in connection plug 1. With remote reset, install connection line separately. Do not exceed maximum cable length of 10 metres.

  • Page 25: Operation

    Installation and operating instruction Oil burner WL20/1-C 6 Operation 6 Operation 6.1 Operating panel Damage to the combustion manager due to incorrect operation Excessive pressure applied to the illuminated push button can damage the com- bustion manager. Only lightly press illuminated push button.

  • Page 26: Commissioning

    Installation and operating instruction Oil burner WL20/1-C 7 Commissioning 7 Commissioning 7.1 Prerequisite Commissioning must only be carried out by qualified personnel. Only correctly carried out commissioning ensures the operational safety. Prior to commissioning ensure that: all assembly and installation work has been carried out correctly,...
  • Page 27 Installation and operating instruction Oil burner WL20/1-C 7 Commissioning Oil pressure measuring devices on oil pump Vacuum gauge for suction resistance/supply pressure. Pressure gauge for pump pressure. Oil leakage from oil pressure measuring devices due to constant load Oil pressure measuring devices could be damaged and cause environmental pollu- tion through leakage.

  • Page 28: Setting Values

    Installation and operating instruction Oil burner WL20/1-C 7 Commissioning 7.1.2 Setting values Set mixing head relative to the combustion heat rating required. For this, the dif- fuser setting and the air damper setting should be matched. Determine diffuser setting and air damper setting Do not operate the burner outside of the capacity graph.
  • Page 29 Installation and operating instruction Oil burner WL20/1-C 7 Commissioning Set diffuser With dimension X = 0mm the indicating bolt is flush with nozzle assembly cover. Turn screw 1, until dimension X equals the value determined. Set air damper Turn setting screw 1 until the scale shows the value determined.

  • Page 30: Adjusting The Burner

    Installation and operating instruction Oil burner WL20/1-C 7 Commissioning 7.2 Adjusting the burner Risk of electric shock Touching the ignition device can lead to electric shock. Do not touch ignition device during the ignition process. DANGER During commissioning check: flame signal [ch. 7.1.1], suction resistance or flow pressure of oil pump [ch. 5.1],...

  • Page 31: Concluding Work

    Installation and operating instruction Oil burner WL20/1-C 7 Commissioning 7.3 Concluding work Oil leakage from oil pressure measuring devices due to constant load Oil pressure measuring devices could be damaged and cause environmental pollu- tion through leakage. WARNING Remove oil measuring devices once commissioning is complete.

  • Page 32: Check Combustion

    Installation and operating instruction Oil burner WL20/1-C 7 Commissioning 7.4 Check combustion Determine excess air Slowly close air damper(s) in the relevant operating point, until the combustion limit is reached (soot number approx. 1). Measure and document O content. Read air number (λ).

  • Page 33: Shutdown

    Installation and operating instruction Oil burner WL20/1-C 8 Shutdown 8 Shutdown For breaks in operation: Switch off burner. Close fuel shut off devices. 33-76 83302002 1/2019-04 La...

  • Page 34: Servicing

    The design lifespan of the components is listed in the service plan [ch. 9.2]. Weishaupt recommends a service contract is entered into to ensure regular in- spections.
  • Page 35 Installation and operating instruction Oil burner WL20/1-C 9 Servicing Following servicing Risk of electric shock Touching the ignition device can lead to electric shock. Do not touch ignition device during the ignition process. DANGER Check tightness of oil carrying components.

  • Page 36: Service Plan

    Installation and operating instruction Oil burner WL20/1-C 9 Servicing 9.2 Service plan Components Criteria / design lifespan Service procedure Fan wheel Soiling Clean Damage Replace Air duct Soiling Clean Air damper Soiling Clean Ignition cable Damage Replace Ignition electrode Soiling...

  • Page 37: Service Position

    Installation and operating instruction Oil burner WL20/1-C 9 Servicing 9.3 Service position Observe notes on servicing [ch. 9.1]. Remove bolts 1. If necessary remove oil hoses. If the burner is placed into service position B: If necessary unplug actuator plug 2. Place the burner into the required service position.

  • Page 38: Replace Nozzle

    Installation and operating instruction Oil burner WL20/1-C 9 Servicing 9.4 Replace nozzle Observe notes on servicing [ch. 9.1]. Do not clean nozzles, always fit new nozzles. Place burner into service position A [ch. 9.3]. Unplug ignition cable 4. Undo screw 1 and remove diffuser.

  • Page 39: Set Ignition Electrodes

    Installation and operating instruction Oil burner WL20/1-C 9 Servicing 9.5 Set ignition electrodes Observe notes on servicing [ch. 9.1]. The ignition electrodes must not touch the nozzle's atomising cone. Place burner into service position A [ch. 9.3]. Check distance of ignition electrodes.

  • Page 40: Removing The Mixing Head

    Installation and operating instruction Oil burner WL20/1-C 9 Servicing 9.6 Removing the mixing head Observe notes on servicing [ch. 9.1]. Unplug ignition cable 1. Remove oil line 3. Remove flame sensor 4. Undo screws 2. Turn mixing head to the left up to the recess and remove.

  • Page 41: Set Mixing Head

    Installation and operating instruction Oil burner WL20/1-C 9 Servicing 9.7 Set mixing head Observe notes on servicing [ch. 9.1]. Set nozzle distance Place burner into service position A [ch. 9.3]. Insert setting gauge and check dimension A (5.0 mm). If the value measured deviates from dimension A: Undo screw 1.

  • Page 42: Removing The Air Regulator

    Installation and operating instruction Oil burner WL20/1-C 9 Servicing 9.8 Removing the air regulator Observe notes on servicing [ch. 9.1]. If necessary unplug actuator plug 5. Place burner into service position A [ch. 9.3]. Remove bolts 1. Remove intake housing 3. Remove bolts 4.

  • Page 43: Removing And Refitting Angle Drive

    Installation and operating instruction Oil burner WL20/1-C 9 Servicing 9.9 Removing and refitting angle drive Observe notes on servicing [ch. 9.1]. Removing Remove actuator 3 or manual adjuster 9. Remove frame 4. Remove angle drive 5. Refitting Remove intake housing [ch. 9.8]. Open air damper 6 until position 7 has been reached and hold tight.

  • Page 44: Removing And Refitting Oil Pump

    Installation and operating instruction Oil burner WL20/1-C 9 Servicing 9.10 Removing and refitting oil pump Observe notes on servicing [ch. 9.1]. Removing Close fuel shut off devices. Unplug plug 1. Remove oil hoses 5. Remove oil line 4. Undo screws 2 and remove oil pump.

  • Page 45: Removing And Refitting Fan Wheel

    Installation and operating instruction Oil burner WL20/1-C 9 Servicing 9.11 Removing and refitting fan wheel Observe notes on servicing [ch. 9.1]. Removing Place housing cover into service position [ch. 9.3]. Remove grub screw 1 and remove fan wheel. Refitting Refit fan wheel in reverse order and ensure correct alignment on the motor shaft 2,...

  • Page 46: Remove Burner Motor

    Installation and operating instruction Oil burner WL20/1-C 9 Servicing 9.12 Remove burner motor Observe notes on servicing [ch. 9.1]. Remove the oil pump [ch. 9.10]. Remove fan wheel [ch. 9.11]. Unplug plug 1. Hold motor and remove screws 2. Remove motor. 46-76 83302002 1/2019-04 La...

  • Page 47: Removing And Refitting Oil Pump Filter

    Installation and operating instruction Oil burner WL20/1-C 9 Servicing 9.13 Removing and refitting oil pump filter Observe notes on servicing [ch. 9.1]. Removing Close fuel shut off devices. Remove bolts 1. Remove pump cover. Replace filter 3 and gasket 2. Refitting Refit filter in reverse order ensuring sealing surfaces are clean.

  • Page 48: Replacing The Fuse

    Installation and operating instruction Oil burner WL20/1-C 9 Servicing 9.14 Replacing the fuse Observe notes on servicing [ch. 9.1]. Remove all plugs from the combustion manager. Remove screws from the combustion manager. Remove combustion manager. Replace fuse (T6.3H, IEC 127-2/5). 48-76 83302002 1/2019-04 La...

  • Page 49: Troubleshooting

    Boiler or heating circuit control is not Check function and setting of boiler functioning or has not been set correctly or heating circuit control. Notify your heating contractor or Weishaupt Customer Service if the problem occurs repeatedly. 49-76 83302002 1/2019-04 La...

  • Page 50: Illuminated Push Button Red

    Installation and operating instruction Oil burner WL20/1-C 10 Troubleshooting 10.1.2 Illuminated push button red A burner fault has occurred. The burner is in lockout. Prior to resetting, the error code can be called up and used to control the cause of the fault.
  • Page 51 Installation and operating instruction Oil burner WL20/1-C 10 Troubleshooting Error codes with lockout The following faults must only be rectified by qualified personnel: Fault codes Fault Cause Rectification 2 x flashing Oil pump supplies no oil Oil supply leaking Check oil supply...
  • Page 52 Installation and operating instruction Oil burner WL20/1-C 10 Troubleshooting The following faults must only be rectified by qualified personnel: Fault codes Fault Cause Rectification Flashing 7 times Flame has failed Oil supply leaking Check oil supply Suction resistance in front...

  • Page 53: Illuminated Push Button Flashes

    Installation and operating instruction Oil burner WL20/1-C 10 Troubleshooting 10.1.3 Illuminated push button flashes An irregularity is present. The burner does not go to lockout. Once the fault has been rectified, the error code ceases. Error codes without lockout The following faults must only be rectified by qualified personnel:...

  • Page 54: Operating Problems

    Installation and operating instruction Oil burner WL20/1-C 10 Troubleshooting 10.2 Operating problems The following faults must only be rectified by qualified personnel: Observation Cause Rectification Poor start behaviour of burner Mixing pressure too high Correct mixing pressure Ignition electrodes set incorrectly Set ignition electrodes [ch. 9.5]...

  • Page 55: Technical Documentation

    Installation and operating instruction Oil burner WL20/1-C 11 Technical documentation 11 Technical documentation 11.1 Conversion table unit of pressure Pascal 0.1 mbar 0.01 0.00001 1 mbar 0.0001 10 mbar 1 000 0.001 100 mbar 10 000 0.01 1 bar 100 000...

  • Page 56: Wiring Diagram

    Installation and operating instruction Oil burner WL20/1-C 11 Technical documentation 11.2 Wiring diagram For special version observe wiring diagram supplied. W-FM 05 X3:2 X3:3 X3:12 X3:11 L PE N T1 T2 S3 B4 M1 M L PE N Temperature or pressure regulator...
  • Page 57 Installation and operating instruction Oil burner WL20/1-C 11 Technical documentation X3:4 X3:13 X3:5 X3:6 X5:1 P11.1 Flame sensor Anti siphon valve (optional) Solenoid valve P11.1 Hours counter (optional) Remote reset (optional) Ignition unit Bus interface (optional) 57-76 83302002 1/2019-04 La...

  • Page 58: Project Planning

    Installation and operating instruction Oil burner WL20/1-C 12 Project planning 12 Project planning 12.1 Oil supply Observe EN 12514-2, DIN 4755, TRÖI and local regulations. General information relating to the oil supply Do not use cathode protection system with steel tanks.
  • Page 59 Two pipe system In a two pipe system the oil pump is vented automatically. Ring main operation Weishaupt recommends the use of a ring main when operating several burners. 59-76 83302002 1/2019-04 La...

  • Page 60: Spares

    Installation and operating instruction Oil burner WL20/1-C 13 Spares 13 Spares 1.01 1.24 1.04 1.20 1.08 1.22 1.10 1.09 1.23 1.03 1.02 1.22 1.06 1.21 1.19 1.05 1.14 1.19 1.16 1.15 1.12 1.11 1.16 1.15 1.07 1.13 1.18 1.17 60-76...
  • Page 61 Installation and operating instruction Oil burner WL20/1-C 13 Spares Pos. Description Order No. 1.01 Cover complete without display 241 210 01 112 1.02 Screw M8 x 15 142 013 01 157 1.03 Washer 7 x 18 x 0.6 430 016 1.04...
  • Page 62 Installation and operating instruction Oil burner WL20/1-C 13 Spares 2.16 2.06 2.07 2.04 2.08 2.09 2.05 2.02 2.10 2.11 2.01 2.12 2.13 2.14 2.13 2.15 2.03 62-76 83302002 1/2019-04 La...
  • Page 63 Installation and operating instruction Oil burner WL20/1-C 13 Spares Pos. Description Order No. 2.01 Motor ECK04/A-2 230 V / 50 Hz 652 084 2.02 Screw M5 x 12 Torx-Plus 409 278 2.03 Capacitor set 8.0 µF 420 V, 2.8-standard 713 476 2.04...
  • Page 64 Installation and operating instruction Oil burner WL20/1-C 13 Spares 3.05 3.02 3.03 3.04 3.01 3.07 3.08 3.06 3.08 64-76 83302002 1/2019-04 La...
  • Page 65 Installation and operating instruction Oil burner WL20/1-C 13 Spares Pos. Description Order No. 3.01 Pump ALEV 30C 601 857 – Filter set with seal 601 107 3.02 Solenoid coil T80 Suntec 220-240V 50-60Hz 604 495 3.03 Plug coupling for motor 652 135 3.04...
  • Page 66 Installation and operating instruction Oil burner WL20/1-C 13 Spares 4.18 4.23 4.26 4.24 4.01 4.22 4.25 4.28 4.02 4.27 4.03 4.18 4.18 4.29 4.17 4.04 4.16 4.15 4.21 4.14 4.20 4.19 4.08 4.06 4.05 4.09 4.10 4.07 4.11 4.12 4.13...
  • Page 67 Installation and operating instruction Oil burner WL20/1-C 13 Spares Pos. Description Order No. 4.01 Nozzle assembly WL20/1-C, 1 nozzle – Standard 241 210 10 010 – extended by 100 mm* 240 210 10 010 – extended by 200 mm* 240 210 10 020 –...
  • Page 68 Installation and operating instruction Oil burner WL20/1-C 13 Spares 4.18 4.23 4.26 4.24 4.01 4.22 4.25 4.28 4.02 4.27 4.03 4.18 4.18 4.29 4.17 4.04 4.16 4.15 4.21 4.14 4.20 4.19 4.08 4.06 4.05 4.09 4.10 4.07 4.11 4.12 4.13...
  • Page 69 Installation and operating instruction Oil burner WL20/1-C 13 Spares Pos. Description Order No. 4.29 Oil nozzle – 1.00 gph 60°S Steinen 612 207 – 1.10 gph 60°S Steinen 612 208 – 1.25 gph 60°S Steinen 612 210 – 1.35 gph 60°S Steinen 612 211 –...
  • Page 70 Installation and operating instruction Oil burner WL20/1-C 13 Spares 5.08 5.09 5.09 5.07 5.05 5.04 5.06 5.11 5.01 5.10 5.02 5.03 70-76 83302002 1/2019-04 La...
  • Page 71 Installation and operating instruction Oil burner WL20/1-C 13 Spares Pos. Description Order No. 5.01 Combustion manager W-FM 05, 230 V Series C 600 470 – Micro fuse T6.3H, IEC 127-2/5 483 011 22 457 5.02 Adapter ring 22 x 4 for extension 600 358 5.03...

  • Page 72: Notes

    Installation and operating instruction Oil burner WL20/1-C 14 Notes 14 Notes 72-76 83302002 1/2019-04 La...

  • Page 73: Key Word Index

    Installation and operating instruction Oil burner WL20/1-C 15 Key word index 15 Key word index Air damper .......... 9, 28, 29, 42, 43 Fabrication number...............  8 Air damper setting .............. 28 Fan motor................ 46 Air number ................ 32 Fan pressure .............. 26, 29 Air regulator................ 42...
  • Page 74 Installation and operating instruction Oil burner WL20/1-C 15 Key word index Mixing head ............ 9, 28, 40, 41 Serial number.................  8 Mixing pressure ............ 26, 29 Service................... 34 Monitoring current .............. 26 Service contract .............. 34 Motor................ 11, 46 Service interval .............. 34 MPa .................. 55 Service plan................ 36...
  • Page 75 83302002 1/2019-04 La...
  • Page 76 Max Weishaupt GmbH · 88475 Schwendi Weishaupt close by? Addresses, telephone numbers etc. can be found at www.weishaupt.de We reserve the right to make changes. All rights reserved. The complete program: Reliable technology and prompt, professional service W Burners up to 570 kW...

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