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Weishaupt WG20-/1-C LN Series, Manual

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Weishaupt WG20-/1-C LN Series Manual Download Page 69

Installation and operating instruction
Gas burner WG20…/1-C LN

10 Troubleshooting

83240802 1/2020-01 La

69-96

The following faults must only be rectified by qualified personnel:

Fault codes

Fault

Cause

Rectification

Flashing 7 times

Flame failure during opera-
tion

Flame signal insufficient

Burner setting incorrect

Check burner setting
Check flame signal

Ionisation electrode soiled

Clean ionisation elec-
trode

Ionisation electrode set in-
correctly

Set ionisation electrode
[ch. 9.5]

Ionisation electrode defect-
ive

Check the ionisation
electrode, replace if ne-
cessary

Flashing 8 times

Gas pressure switch fault

Gas pressure switch does
not react

Gas pressure switch set in-
correctly

Set gas pressure switch
[ch. 7.3.1]

Gas pressure switch de-
fective

Check gas pressure
switch, if necessary re-
place

Flashing 10 times

Combustion manager fault

Burner does not start

Parameters have been
changed

Reset burner [ch. 10.1.2]

Combustion manager de-
fective

Reset burner [ch. 10.1.2],
if fault reoccurs replace
combustion manager

Summary of Contents for WG20-/1-C LN Series

Page 1: ...Installation and operating instruction Gas burner WG20 1 C LN 83240802 1 2020 01 ...

Page 2: ...posal 8 3 Product description 9 3 1 Type key 9 3 2 Serial number 10 3 3 Function 11 3 3 1 Air supply 11 3 3 2 Gas supply 12 3 3 3 Electrical components 13 3 3 4 Program sequence 14 3 4 Technical data 16 3 4 1 Approval data 16 3 4 2 Electrical data 16 3 4 3 Ambient conditions 16 3 4 4 Fuels 16 3 4 5 Emissions 17 3 4 6 Rating 18 3 4 7 Dimensions 19 3 4 8 Weight 20 4 Installation 21 4 1 Installation ...

Page 3: ...ad 52 9 4 Set mixing head 53 9 5 Set ionisation and ignition electrodes 54 9 6 Service position 55 9 7 Removing and refitting fan wheel 56 9 8 Remove burner motor 57 9 9 Removing and refitting manual adjustment of air damper 58 9 10 Removing and refitting angle drive 59 9 11 Removing and refitting gas butterfly valve 60 9 12 Removing and refitting air regulator 61 9 13 Replacing coil on multifunct...

Page 4: ...Installation and operating instruction Gas burner WG20 1 C LN 83240802 1 2020 01 La 4 96 12 Project planning 79 12 1 Continuous running fan or post purge 79 13 Spares 80 14 Notes 90 15 Key word index 93 ...

Page 5: ... carried out by personnel who have the relevant train ing and instruction Persons with limited physical sensory or mental capabilities may only work on the unit if they are supervised or have been trained by an authorised person Children must not play with the unit 1 2 Symbols DANGER Immediate danger with high risk Non observance can lead to serious injury or death WARNING Danger with medium risk ...

Page 6: ...bservance of the manual operation with faulty safety equipment continual operation despite a fault improper installation commissioning operation and service repairs which have been carried out incorrectly the use of non original Weishaupt parts force majeure unauthorised modifications made to the unit the installation of additional components which have not been tested with the unit the installati...

Page 7: ...o the unit or other material assets 2 2 When gas can be smelled Avoid open flames and spark generation for example do not operate light switches do not operate electronic equipment do not use mobile telephones Open doors and windows Close gas isolating valve Warn the inhabitants do not ring door bells Leave the building Inform the heating contractor or gas supplier from outside of the building 2 3...

Page 8: ...able for the type and quality of gas and should be designed in such a way that it is not possible for liquids to form e g condensate Observe vaporisation pressure and vaporisation temperature of li quid petroleum gas Use only tested and approved sealing materials whilst observing all process in formation Re commission the appliance when changing to a different type of gas Chan ging from LPG to Nat...

Page 9: ...1 C LN 3 Product description 83240802 1 2020 01 La 9 96 3 Product description 3 1 Type key Example WG20N 1C LN Type W Series Compact burner G Fuel Gas 20 Size N N Natural Gas F Liquid Petroleum Gas 1 Ratings size C Construction Version LN Mixing head LowNOx ...

Page 10: ...tion Gas burner WG20 1 C LN 3 Product description 83240802 1 2020 01 La 10 96 3 2 Serial number The serial number on the name plate identifies the product This is required by Weishaupt s customer service department 1 1 Name plate Ser No ...

Page 11: ...using a setting screw on the air damper Fan wheel The fan wheel supplies the air from the air intake housing to the combustion head Diffuser The air gap between flame tube and diffuser is adjusted by positioning the diffuser This adjusts the mixing pressure and the air quantity required for combustion Air pressure switch The air pressure switch monitors the fan pressure If the fan pressure is insu...

Page 12: ...ssure Gas butterfly valve 5 The gas butterfly valve regulates the gas quantity depending on the rating required The air gas ratio is adapted via mechanical compound to the air damper setting Low gas pressure switch 7 If the gas connection pressure is lower than the value set the low gas pressure switch initiates a low gas programme at the combustion manager In the low gas programme the combustion ...

Page 13: ...er It controls the sequence of operation and monitors the flame Burner motor The burner motor drives the fan wheel Ignition unit The electronic ignition unit creates a spark at the electrode which ignites the fuel air mixture Ionisation electrode The combustion manager monitors the flame signal via the ionisation electrode If the flame signal becomes too weak the combustion manager carries out a c...

Page 14: ...arts before the end of the pre purge time TV Ignition starts Fuel release Following pre ignition time TVZ the double gas valve K32 opens and releases the fuel Safety time With fuel release safety time TS and post ignition time TNZ start The flame signal must be present within the safety time TS Operation The combustion manager monitors the flame signal via the ionisation electrode Post purge If th...

Page 15: ... Air pressure switch TN Post purge time 1 2 s B15 Temperature or pressure regulator TNZ Post purge time 2 4 s B31 Low gas pressure switch TV Pre purge time 21 5 s F2 Temperature or pressure limiter TS Safety time 2 7 s K32 double gas valve TVZ Pre ignition time 1 9 s K33 External valve LPG Voltage is applied M1 Burner motor Flame signal present P11 Control lamp operation optional Current path T1 I...

Page 16: ...age mains frequency 230 V 50 Hz Consumption at start max 463 W Consumption during operation max 363 W Power consumption max 2 3 A Internal unit fuse T6 3H IEC 127 2 5 External fuse max 16 AB 3 4 3 Ambient conditions Temperature in operation 15 40 C Temperature during transport storage 20 70 C relative humidity max 80 no dew point Installation elevation max 2000 m 1 1 Consultation with Weishaupt is...

Page 17: ...bustion chamber dimensions see Weishaupt Partner Portal Documents and Applications Online Applications NOX calculation for burners Sound levels Dual number noise emission values Measured sound power level LWA re 1 pW Uncertainty value KWA 78 4 dB A 1 dB A Measured sound pressure level LpA re 20 μPa Uncertainty value KpA 73 4 dB A 2 dB A 1 Determined to ISO 9614 2 2 Determined at 1 metre distance f...

Page 18: ... WG20 C Capacity graph Capacity graph to EN 676 The capacity data given relates to an installation elevation of 0 m above sea level For installation elevations above 0 m a capacity reduction of approx 1 per 100 m applies A limited capacity graph is valid for ducted air intake 1 0 1 5 0 5 0 0 5 1 0 1 5 2 0 2 5 3 0 40 60 80 100 120 140 160 180 200 220 2 1 1 Combustion heat rating kW 2 Combustion cha...

Page 19: ... La 19 96 3 4 7 Dimensions Burner weishaupt 376 mm 358 mm 178 mm 397 mm 120 mm 182 mm 264 5 mm 20 mm 158 mm 32 mm 270 mm Rp1 1 1 140 mm without combustion head extension 240 mm with combustion head extension 100 mm 340 mm with combustion head extension 200 mm 440 mm with combustion head extension 300 mm ...

Page 20: ...valve train Isolating valve With thermal shut off device Without thermal shut off device 1 W MF 507 Rp Rp1 approx 315 mm approx 320 mm approx 300 mm approx 305 mm W MF 512 Rp1 approx 350 mm approx 330 mm 2 W MF 507 Rp Rp1 approx 305 mm approx 315 mm approx 290 mm approx 295 mm W MF 512 Rp1 approx 355 mm approx 335 mm 3 4 8 Weight approx 20 kg ...

Page 21: ...beyond the front edge of the combustion head The refractory can take a conical shape min 60 Refractory may not be required on boilers with water cooled front unless the man ufacturer gives other instructions Following installation the aperture 4 between flame tube and refractory should be filled with flame proof resilient insulating material Do not make solid Heat exchangers with deep refractories...

Page 22: ...lve train connection from the right For gas valve train connection from the left the burner has to be installed ro tated by 180 This requires conversion measures ch 5 1 1 Remove mixing head ch 9 3 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 pro...

Page 23: ...s of the gas valve train Close all fuel shut off devices prior to commencing work and protect from acci dental re opening General installation instructions Install manually operated shut off device gas isolating valve in the supply Ensure correct mounting alignment and cleanliness of sealing surfaces Mount valve train free of vibration It must not be allowed to swing Suitable sup ports should be f...

Page 24: ...ator has to be fitted upstream of the W MF Install the gas valve train see additional sheet Print No 835109xx Installing the valve train from the right Remove protective foil from gas connection flange Mount gas valve train free from stresses Do not compensate for installation er rors by over tightening the flange screws Ensure correct alignment of flange seals Tighten screws evenly diagonally acr...

Page 25: ...onversion measures are required Move the gas pressure switch prior to installing the multifunction assembly Remove closing plug 1 and gas pressure switch 3 Mount gas pressure switch 3 and O ring 2 on the opposite side Mount closing plug 1 on the opposite side 1 2 3 Continue installation in the same way as for Mount gas valve train from the right Accessories 1 2 1 High gas pressure switch with mech...

Page 26: ...Gas burner WG20 1 C LN 5 Installation 83240802 1 2020 01 La 26 96 5 1 2 Carry out soundness test of gas supply line and vent Only the gas supply company or a contract installation company may carry out a soundness test and vent the gas line ...

Page 27: ...ly prior to starting any work Safeguard against accidental restart The electrical connection must only be carried out by qualified electricians Ob serve local regulations Observe wiring diagram ch 11 1 Plug in plug for gas pressure switch 2 and double gas valve 3 and secure with screws Check polarity and wiring of 7 pole connection plug 1 Plug in connection plug 1 1 2 3 With remote reset install c...

Page 28: ...ess illuminated push button The illuminated push button on the combustion manager has the following func tions display operating condition ch 6 2 display fault codes ch 10 1 2 reset burner lockout ch 10 1 2 Re starting the burner during burner operation Press illuminated push button for 1 second 6 2 Display Illuminated push button Operating condition orange Start phase Flashing orange Ignition and...

Page 29: ...flame tube and heat exchanger is filled the heat exchanger is filled with medium the regulating control and safety devices are functioning and set correctly the flue gas ducts are unimpeded a measuring point conforming to standards is available to measure the flue gas the heat exchanger and flue gas ducting up to the test point are sound ex traneous air influences the test results the operating in...

Page 30: ...tion current Remove ionisation cable from the plug coupling Connect current measuring device in series Ionisation current Extraneous light detection from 0 8 μA Minimum ionisation current 1 5 μA Recommended ionisation current 5 20 μA Pressure measuring device for mixing pressure Open pressure test point for mixing pressure 1 and connect pressure measur ing device 1 ...

Page 31: ...e Exceeding the maximum connection pressure see name plate can damage the gas valve train and lead to an explosion Max connection pressure see name plate Check gas connection pressure Only in conjunction with W MF and gas connection pressure 150 mbar The pressure measuring device must be connected to the pressure regulator Check gas connection pressure see additional sheet print No 835109xx Connec...

Page 32: ...st test phase Only in conjunction with W MF and gas connection pressure 150 mbar In the first test phase the testing device must be connected to the pressure regu lator Check soundness of gas valve train see additional sheet print No 835109xx In the first phase the valve train section from the gas isolating valve up to the first valve of the multifunction assembly is tested Switch off burner Close...

Page 33: ... First test phase 2 Second test phase 3 Third test phase 4 Blanking plate Fourth test phase In the fourth test phase the joint to the mixing head 1 is tested for soundness The test phase can only be carried out during or after burner commissioning A leak detecting spray or electronic gas detector should be used for testing 1 Use only leak detecting foam solutions which do not cause corrosion see D...

Page 34: ...lation and operating instruction Gas burner WG20 1 C LN 7 Commissioning 83240802 1 2020 01 La 34 96 Test points 1 3 1 2 1 Pressure into valve 1 2 Pressure between valve 1 and valve 2 3 Pressure after valve 2 ...

Page 35: ...t into valve 1 ch 7 1 3 Connect an approved vent hose to the test point Vent hose must lead to atmosphere Slowly open gas isolating valve The gas air mixture in the valve train vents via the hose to safe atmosphere Close gas isolating valve Remove vent hose and immediately close test point Use a test burner to ensure no air is present in the valve train ...

Page 36: ...es for basic settings Full load kW Setting pressure into gas butterfly valve mbar Min connection pressure into isolating valve mbar low pressure supply Nominal diameter valve train 1 1 Multifunction assembly W MF SLE 507 507 512 Natural Gas E Hi 10 35 kWh m3 d 0 606 80 8 2 13 11 90 8 8 13 11 100 9 3 13 11 110 9 8 14 12 120 10 2 14 13 130 10 6 15 13 140 11 0 15 13 150 11 4 16 14 160 11 7 16 15 170 ...

Page 37: ...o isolating valve mbar low pressure supply Nominal diameter valve train 1 1 Multifunction assembly W MF SLE 507 507 512 Liquid Petroleum Gas Hi 25 89 kWh m3 d 1 555 The selection is calculated for Propane it can however also be used for Butane 80 9 0 13 90 9 6 13 100 10 1 13 110 10 6 14 120 11 0 14 130 11 3 14 140 11 6 14 150 12 0 15 160 12 3 15 170 12 5 16 180 12 6 17 190 13 7 18 200 14 8 19 ...

Page 38: ...ion pressure 150 mbar The pre pressure must be set to approx 90 mbar Set FRS pressure regulator see additional sheet print No 835109xx Pre set setting pressure determined for ignition load 2 and full load 1 at multi function assembly 1 2 Setting Factory presetting 1 Full load 7 mbar 2 Ignition load 4 mbar The transition from ignition load to full load is carried out sliding ...

Page 39: ...e capacity graph ch 3 4 6 Determine the diffuser setting dimension X and air damper setting required from the diagram and note down Example Burner capacity required 160 kW Diffuser setting dimension X 9 2 mm Air damper setting 7 3 Diffuser default settings 2 1 4 6 8 10 12 14 16 2 0 70 80 100 120 140 180 90 110 130 170 210 190 200 150 160 1 Combustion heat rating kW 2 Diffuser settings dimension X ...

Page 40: ...e indicating bolt is flush with nozzle assembly cover Turn screw 1 until dimension X equals the value determined 1 X Set air damper Turn setting screw 1 until the scale shows the value determined 1 Gas butterfly valve setting screw The factory setting of gas butterfly valve screws 1 3 must not be altered Factory setting 3 rotations OPEN 3 2 1 ...

Page 41: ...110 130 150 170 210 190 200 160 1 Combustion heat rating kW 2 Mixing pressure mbar Guide values which could vary depend on comb chamber resistance 7 1 7 Preset gas and air pressure switch The presetting of the pressure switches is only valid during commissioning Once commissioning has been completed the pressure switches must be set correctly ch 7 3 Air pressure switch approx 3 5 mbar Low gas pres...

Page 42: ...alve Switch on voltage supply Illuminated push button lights up red Press illuminated push button for 1 second Burner starts in accordance with the programme sequence ch 3 3 4 Check sequence of operation Valves open Gas pressure switch reacts Burner start is interrupted Low gas programme starts the illuminated button flashes red 2 Adjust setting pressure Open test point for setting pressure and co...

Page 43: ...nd or diffuser Observe mixing pressure while doing so Calculate gas throughput operating volume VB required ch 7 6 Optimise setting pressure until gas throughput VB is achieved Check combustion values Determine combustion limit and set excess air via air damper and or diffuser ch 7 5 Determine gas throughput once more and adjust if necessary Re set excess air 4 Check start behaviour Switch off and...

Page 44: ...the CO content increases or the gas flow pressure drops to 50 Determine gas pressure Slowly open gas isolating valve Set the pressure determined as switch point at the setting cam 2 Check switch point Restart the burner Slowly close gas isolating valve If the low gas program starts the gas pressure switch has been set correctly If a lockout occurs or if the combustion reaches a critical condition ...

Page 45: ...e measurement across the whole capacity range of the burner and determine the lowest differential pressure Calculate switch point 80 of release pressure or lowest differential pressure Set the switch point determined at the setting cam 1 Example Lowest differential pressure 4 4 mbar Switch point air pressure switch 80 4 4 mbar 0 8 3 5 mbar Site specific influences on the air pressure e g by the fl...

Page 46: ...ints Conclude valve proving of gas valve train fourth test phase ch 7 1 3 Enter combustion values and settings in the commissioning record and or test sheet Mount cover on burner Inform the operator about the use of the equipment Hand the installation and operating manual to the operator and inform him that this should be kept with the appliance Point out to operator that the installation should b...

Page 47: ...tent Check flue gas temperature Check flue gas temperature Ensure that the flue gas temperature complies with the data provided by the boiler manufacturer If necessary adjust flue gas temperature e g Increase burner capacity to avoid condensation in the flue gas ducts except on condensing units Reduce burner capacity to improve efficiency Adjust heat exchanger to the data provided by the manufactu...

Page 48: ...uring time seconds 120 seconds Calculate normal volume Calculate the normal volume VN using the following formula VN QN η Hi VN 200 kW 0 92 10 35 kW m 21 0 m h Calculate conversion factor Determine gas temperature tGas and pressure PGas at gas meter Determine barometric air pressure PBaro from table Height above sea level m 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 PBaro mbar 1013 ...

Page 49: ...Installation and operating instruction Gas burner WG20 1 C LN 8 Shutdown 83240802 1 2020 01 La 49 96 8 Shutdown For breaks in operation Switch off burner Close fuel shut off devices ...

Page 50: ...ents to cool Servicing must only be carried out by qualified personnel The combustion plant should be serviced annually Depending on site conditions more frequent checks may be required Components which show increased wear and tear or whose design lifespan is or will be exceeded prior to the next service should be replaced as a precaution The design lifespan of the components is listed in the serv...

Page 51: ...ressure switch Switch point Check 250 000 burner starts or 10 years 2 Replace Ignition cable Damage Replace Ignition electrode Soiling Clean Damage wear Replace Combustion Manager 250 000 burner starts or 10 years 2 Replace Ionisation cable Damage Replace Ionisation electrode Soiling Clean Damage wear Replace Recommendation at least every 2 years Flame tube diffuser Soiling Clean Damage Replace Mu...

Page 52: ... to leak out if the gasket 3 is seated incorrectly Following work on the mixing head ensure the gasket is clean and seated cor rectly if necessary replace Check for leaks see Fourth test phase ch 7 1 3 Removing Unplug ionisation cable 5 Unplug ignition cable 1 Undo screws 4 Turn mixing head 2 to the left up to the recess and remove Refitting Refit mixing head in reverse order ensuring correct alig...

Page 53: ...mixing head re moved with dimension Lx Dimension Lx changes according to the combustion head extension used Remove mixing head ch 9 3 Turn setting screw 1 until it is flush with the nozzle assembly cover dimension X 0 mm Check dimension Lx If the value measured deviates from dimension Lx Undo screws 2 Adjust flame tube 3 until dimension Lx has been reached Re tighten screws 2 If the screws 2 have ...

Page 54: ...3240802 1 2020 01 La 54 96 9 5 Set ionisation and ignition electrodes Observe notes on servicing ch 9 1 Remove mixing head ch 9 3 Undo screw 1 Set ignition electrode and re tighten screw Undo screw 2 Set ionisation electrode and re tighten screw 5 mm 5 mm 1 5 2 mm 1 5 2 mm 1 2 ...

Page 55: ...g 83240802 1 2020 01 La 55 96 9 6 Service position Observe notes on servicing ch 9 1 The burner mounted rotated by 180 cannot be placed into the service position Remove mixing head ch 9 3 Hold housing cover and remove screws 1 Place housing cover into service position 2 1 2 ...

Page 56: ...refitting fan wheel Observe notes on servicing ch 9 1 Removing Place housing cover into service position ch 9 6 Remove grub screw 1 and remove fan wheel Refitting Refit fan wheel in reverse order and ensure correct alignment on the motor shaft 2 screw in new grub screw 1 turn fan wheel to ensure it moves freely 2 1 1 2 ...

Page 57: ...9 Servicing 83240802 1 2020 01 La 57 96 9 8 Remove burner motor Observe notes on servicing ch 9 1 Remove fan wheel ch 9 7 Unplug plug number 3 and 11 Disconnect and hoses Undo screws 1 and remove air pressure switch Hold motor and remove screws 2 Remove motor 1 2 ...

Page 58: ... 9 Servicing 83240802 1 2020 01 La 58 96 9 9 Removing and refitting manual adjustment of air damper Observe notes on servicing ch 9 1 Removing Remove screws 1 Remove manual adjustment Refitting Insert manual adjustment into the star shaped groove 2 and secure 2 1 ...

Page 59: ...opened by the force of the spring Remove frame 4 Remove angle drive 5 Refitting Remove intake housing ch 9 12 Open air damper 6 until position 7 has been reached and hold tight Fit angle drive to shaft Secure angle drive Mount intake housing Fit frame 4 Place drive rod 3 into manual adjustment Turn indicator 1 to CLOSED position and hold Place manual adjustment with drive rod 3 into the star shape...

Page 60: ...rews 3 Unscrew flange with double nipple 4 Remove mixing head ch 9 3 Remove drive rod 6 Remove screws 1 and remove gas butterfly valve 2 Refitting Refit gas butterfly valve 2 in reverse order and ensure correct alignment of drive rod 6 with gas butterfly valve secure flange to multifunction assembly whilst ensuring correct seating of O ring 5 on the flange 2 4 1 3 5 6 Carry out soundness test ch 7...

Page 61: ...2 Removing and refitting air regulator Observe notes on servicing ch 9 1 Removing Remove bolts 1 Remove burner from heat exchanger ch 4 2 Remove bolts 2 Remove intake housing 5 Remove bolts 4 Remove air regulator 3 2 4 3 5 1 1 Refitting Refit air regulator in reverse order Carry out soundness test ch 7 1 3 ...

Page 62: ... C LN 9 Servicing 83240802 1 2020 01 La 62 96 9 13 Replacing coil on multifunction assembly Observe notes on servicing ch 9 1 Ensure correct voltage and solenoid number when replacing the solenoid coil Undo screw 1 Remove cap 2 Replace solenoid coil 3 3 2 1 ...

Page 63: ...1 C LN 9 Servicing 83240802 1 2020 01 La 63 96 9 14 Replace breather plug of multifunction assembly Observe notes on servicing ch 9 1 A breather plug with integrated filter is fitted to protect the breather orifice against soiling Replace breather plug 1 1 ...

Page 64: ...es on servicing ch 9 1 Ensure no dirt enters the multifunction assembly when removing and replacing the filter insert Removing Remove screws 4 Remove cover 3 Remove filter insert 1 If necessary replace filter insert 1 and seal 2 Refitting Refit in reverse order ensuring correct alignment of filter 1 and seal 2 1 4 2 3 Carry out soundness test ch 7 1 3 Vent gas valve train ch 7 1 4 ...

Page 65: ...G20 1 C LN 9 Servicing 83240802 1 2020 01 La 65 96 9 16 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 ...

Page 66: ...rating External fuse has tripped 1 Check fuse Heating switch is set to Off Switch on heating switch Temperature limiter or pressure limiter on heat exchanger has triggered 1 Reset temperature limiter or pressure limiter on heat exchanger Low water safety interlock on heat ex changer has triggered 1 Top up water Reset low water safety interlock on heat exchanger Temperature regulator or pressure re...

Page 67: ...d read Press illuminated push button for 5 seconds Illuminated push button briefly lights up orange Illuminated push button flashes red Count between the flashing pauses and flashing signals and note down Rectify cause of fault see table Resetting WARNING Damage resulting from incorrect fault repair Incorrect fault repair can cause damage to the equipment and injure personnel Do not carry out more...

Page 68: ... resistance terminal plug Correct burner setting When using an un earthed mains supply control transformer the pole which is to be used as neutral conductor must be earthed Ionisation electrode worn Replace ionisation elec trode Ionisation cable defective Replace cable Flashing 3 times Air pressure switch fault Air pressure switch does not react Hoses not attached tightly Check hoses on air pres s...

Page 69: ...c trode Ionisation electrode set in correctly Set ionisation electrode ch 9 5 Ionisation electrode defect ive Check the ionisation electrode replace if ne cessary Flashing 8 times Gas pressure switch fault Gas pressure switch does not react Gas pressure switch set in correctly Set gas pressure switch ch 7 3 1 Gas pressure switch de fective Check gas pressure switch if necessary re place Flashing 1...

Page 70: ...oltage Check voltage supply Internal unit fuse F7 faulty Replace fuse ch 9 16 Combustion manager fault Replace combustion manager Flashing red Bridging plug No 2 is missing Plug in bridging plug No 2 Low gas Check gas connection pressure Set gas pressure switch ch 7 3 1 Check gas pressure switch orange after 2 minutes red Air pressure switch does not react Set air pressure switch ch 7 3 2 Check ai...

Page 71: ...f burner Mixing pressure too high Reduce mixing pressure in ignition position Ignition electrode set incorrectly Set ignition electrode ch 9 5 Mixing head set incorrectly Set mixing head ch 9 4 Ignition load set incorrectly Set ignition load ch 7 2 Combustion pulsating or burner booming Mixing head set incorrectly Set mixing head ch 9 4 Incorrect combustion air quantity Adjust burner Stability pro...

Page 72: ...15 L PE N S1 L PE N P B10 X3 11 X3 2 F1 X3 3 C1 M1 M X3 12 B31 P L1 PE N L2 1 2 3 X8 W FM 05 K1 K3 K2 5 4 6 3 2 12 11 13 X6 X3 F7 W FM 05 C1 Motor capacitor F1 External fuse max 16 AB F2 Temperature or pressure limiter F7 Internal unit fuse T6 3H IEC 127 2 5 B10 Air pressure switch B31 Low gas pressure switch B15 Temperature or pressure regulator P6 Control lamp lockout optional P11 Control lamp o...

Page 73: ...tation 83240802 1 2020 01 La 73 96 K33 X3 6 X3 13 X5 1 4 X3 4 T1 1 S3 X3 13 B1 X8 K32 X3 5 1 PE 2 3 N PE L1 L2 h P11 1 X9 K3 K2 B1 Flame sensor P11 1 Hours counter optional S3 Remote reset optional T1 Ignition unit K32 double gas valve K33 External valve LPG 1 Bus interface optional ...

Page 74: ...l documentation 83240802 1 2020 01 La 74 96 11 2 Conversion table unit of pressure Bar Pascal Pa hPa kPa MPa 0 1 mbar 10 0 1 0 01 0 00001 1 mbar 100 1 0 1 0 0001 10 mbar 1 000 10 1 0 001 100 mbar 10 000 100 10 0 01 1 bar 100 000 1 000 100 0 1 10 bar 1 000 000 10 000 1 000 1 ...

Page 75: ...ng type testing As weishaupt gas and dual fuel burners fulfil this requirement completely the ap pliance category as well as the test gases used with the permissible connection pressure range are listed on the name plate when labelling the burner to point 6 2 This clearly defines the suitability of the burner for use with second or third family gases On the basis of a type test report to ISO 17025...

Page 76: ... 25 20 DK Denmark I2H G 20 20 EE Estonia I2H G 20 ES Spain I2H G 20 20 FI Finland I2H G 20 20 FR France I2Esi I2E I2L G 20 G 25 Pressures 20 25 GB United Kingdom I2H G 20 20 GR Greece I2H G 20 20 HR Croatia I2H G 20 20 HU Hungary I2H G 20 20 IE Ireland I2H G 20 20 IS Iceland I2H G 20 20 IT Italy I2H G 20 20 LT Lithuania LU Luxembourg I2E G 20 20 LV Latvia MD Moldova I2H G 20 20 MK Macedonia I2H G ...

Page 77: ...7 FI Finland I3B P G 30 G 31 30 28 30 FR France I3 I3P I3B G 30 Pressures 28 30 37 G 31 Pressures 112 148 GB United Kingdom I3 I3P I3B G 30 G 31 Pressures 28 30 37 GR Greece I3B P I3 I3P I3B G 30 G 31 Pressures 28 30 37 HR Croatia I3B P I3P G 30 G31 50 HU Hungary I3B P G 30 G31 50 IE Ireland I3 I3P I3B G 30 G 31 Pressures 28 30 37 IS Iceland I3B P IT Italy I3B P I3 I3P G 30 G 31 Pressures 28 30 37...

Page 78: ... 3P G 20 20 G 30 Pressures II2Esi3B P 28 30 37 G 31 Pressures 112 148 GB United Kingdom II2H3 II2H3P G 20 20 G 30 G 31 Pressures 28 30 37 GR Greece II2H3B P II2H3 G 20 20 G 30 G 31 Pressures II2H3P 28 30 37 HR Croatia II2H3B P G 20 20 G 30 G 31 30 28 30 HU Hungary II2H3B P G 20 20 G 30 G 31 IE Ireland II2H3 II2H3P G 20 20 IS Iceland II2H3B P G 20 20 G 30 G 31 30 28 30 IT Italy II1a2H II2H3B P G 20...

Page 79: ...tion air fan e g due to a power failure or defective motor during operation with continuous running fan or increased post purge may result in back radiation or hot flue gases flowing back into the burner housing This could cause a fire If fail safe continuous ventilation or post purge is required take appropriate meas ures such as installing compressed air flushing on site with sufficiently large ...

Page 80: ...n and operating instruction Gas burner WG20 1 C LN 13 Spares 83240802 1 2020 01 La 80 96 13 Spares 1 01 1 09 1 08 1 07 1 19 1 18 1 17 1 20 1 12 1 16 1 16 1 04 1 02 1 03 1 06 1 11 1 18 1 14 1 13 1 15 1 13 1 05 1 10 ...

Page 81: ...N 6 SELF 50 2 CF 232 300 01 047 1 10 Grommet for connection cable 241 200 01 247 1 11 Grommet 241 400 01 177 1 12 Housing cover 241 210 01 227 1 13 Treaded socket R1 8 GES4 453 004 1 14 Bracket for cable 241 400 01 367 1 15 Stay bolt cover 241 210 01 207 1 16 Screw M8 burner housing 241 310 01 257 1 17 Burner flange 241 210 01 057 Screw M8 x 30 DIN 912 402 517 Washer 8 4 DIN 433 430 504 1 18 Stay ...

Page 82: ... operating instruction Gas burner WG20 1 C LN 13 Spares 83240802 1 2020 01 La 82 96 2 09 2 21 2 11 2 12 2 13 2 14 2 08 2 10 2 01 2 06 2 06 2 22 2 07 2 16 2 25 2 24 2 04 2 05 2 03 2 17 2 19 2 18 2 20 2 15 2 23 2 26 2 02 ...

Page 83: ...7 2 11 Air damper complete 241 210 02 022 2 12 Bearing for air damper shaft 241 110 02 107 2 13 Shaft air damper angle drive 241 210 02 057 2 14 Angle drive 241 110 02 062 2 15 Screw 4 x 12 Torx Plus Remform 409 320 2 16 Manual adjustment 241 050 02 022 2 17 Screw 4 x 30 Torx Plus Delta PT 409 325 2 18 Frame for actuator 241 210 02 037 2 19 Screw 4 x 30 Torx Plus Delta PT 409 325 2 20 Lever comple...

Page 84: ...lation and operating instruction Gas burner WG20 1 C LN 13 Spares 83240802 1 2020 01 La 84 96 3 01 3 02 3 03 3 16 3 17 3 17 3 18 3 19 3 09 3 04 3 05 3 12 3 10 3 20 3 21 3 22 3 07 3 06 3 08 3 15 3 14 3 13 3 11 ...

Page 85: ...by 200 mm 230 210 14 112 extended by 300 mm 230 210 14 122 3 04 Nozzle element 232 200 14 467 3 05 Screw M4 x 16 Torx Plus 20IP 409 224 3 06 Diffuser 36 x 95 232 200 14 417 3 07 Nozzle insert 232 200 14 397 3 08 Screw M4 x 8 Torx Plus 20IP 409 235 3 09 Bracket for electrodes 232 200 14 437 3 10 Ignition electrode isolator 6 x 80 232 200 14 217 3 11 Sensor electrode 232 100 14 207 3 12 Ignition and...

Page 86: ...Installation and operating instruction Gas burner WG20 1 C LN 13 Spares 83240802 1 2020 01 La 86 96 12 11 12 5 13 2 4 05 4 06 4 08 4 04 4 03 4 02 4 01 4 07 4 09 4 10 4 11 4 12 4 13 4 14 ...

Page 87: ...0 19 600 357 4 04 Cover clip AGK63 600 312 4 05 Plug unit ST18 7 716 549 4 06 Ignition unit type W ZG01V 230 V 100 VA 603 229 4 07 Closing plug for ignition unit 603 224 4 08 Screw M4 x 42 Combi Torx Plus 20IP 409 260 4 09 Plug cable No 3 fan motor 241 050 12 062 4 10 Plug cable No 5 W MF 232 110 12 052 4 11 Plug cable No 11 air pressure switch 232 110 12 022 4 12 Plug cable No 12 gas pressure swi...

Page 88: ...Installation and operating instruction Gas burner WG20 1 C LN 13 Spares 83240802 1 2020 01 La 88 96 5 01 5 06 5 06 5 15 5 02 5 03 5 04 5 13 5 08 5 07 5 14 5 10 5 12 5 05 5 05 5 09 5 11 ...

Page 89: ...30V 605 326 W MF SLE 512 S22 230V 605 327 5 08 Solenoid coil W MF 507 No 032P 220 240V 605 255 W MF 512 No 042P 220 240V 605 257 5 09 Breather plug with filter element G1 8 605 302 5 10 Pressure switch GW 50 A5 1 5 50 mbar with screws and O ring 691 378 5 11 O ring 10 5 x 2 25 445 512 5 12 Filter insert with seal W MF 507 605 253 W MF 512 605 254 5 13 Flange W MF 507 Rp 605 227 507 Rp1 605 233 512...

Page 90: ...Installation and operating instruction Gas burner WG20 1 C LN 14 Notes 83240802 1 2020 01 La 90 96 14 Notes ...

Page 91: ...Installation and operating instruction Gas burner WG20 1 C LN 14 Notes 83240802 1 2020 01 La 91 96 ...

Page 92: ...Installation and operating instruction Gas burner WG20 1 C LN 14 Notes 83240802 1 2020 01 La 92 96 ...

Page 93: ...n 7 50 Diffuser 11 39 40 Diffuser setting 39 Dimensions 19 Display 28 Disposal 8 Double gas valve 12 23 Drilling diagram 21 Ducted air intake 7 18 E Electrical connection 27 Electrical data 16 Electrode 54 Electrostatic discharge 8 Emission 17 Emission class 17 Error code 67 Error codes 68 70 Errors 68 ESD protection measures 8 Excess air 47 F Fabrication number 10 Fan motor 57 Fan pressure 30 41 ...

Page 94: ...urge 14 Post purge time 15 PPE 7 Pre ignition time 15 Pre purge 14 Pre purge time 15 Pressure measuring device 30 Pressure regulator 12 23 Pressure switch 11 44 45 Pressure switches 41 Program sequence 14 Protective equipment 7 Pulsating 71 R Refractory 21 Remote reset 27 Reset 67 Reset button 28 S Safety measures 7 Safety time 14 15 Sequence diagram 14 Serial number 10 Service 50 Service contract...

Page 95: ...83240802 1 2020 01 La ...

Page 96: ...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 Water heaters Energy storage The diverse program of potable water and energy storage for various heat sources includes storage volumes of 70 to 3 000 litres In order to minimize storage losses potable water cylinders from 140 to ...

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