Encl._7_Tech.Specs.Weishaupt_Burner.pdf

Weishaupt oil burners WL10/2-D, vers. Z; WL10/3-D, vers. Z 83059902 - 2/2003

Installation and operating instructions manual

Conformity Certification to ISO/IEC Guide 22

Confirmed by: Max Weishaupt GmbH

Address: Max Weishaupt Straße D-88475 Schwendi

Product: Oil burner with fan Type: WL10/2-D, vers. Z

WL10/3-D, vers. Z

The products described above conform to

Document No.: EN 267

EN 292

EN 50 081-1

EN 50 082-1

EN 60 335

In accordance with the guidelines

MD 98/37/EU Machinery Directive PED 97/23/EU Pressure Directive LVD 73/23/EU Low Voltage Directive EED 92/42/EU Efficiency Directive EMC 89/336/EU Electromagnetic Compatibility

Directive these products are labelled as follows

CE-0036 333/02

Schwendi 15.10.2003 ppa. ppa.

Dr. Lück Denkinger

The burners were type tested at an independent testing station (TÜV Southern Germany) and certified by

DIN CERTCO.

Registration No.: 5G988/02

Comprehensive Quality Assurance is ensured by a certified Quality Management System to ISO 9001.

General instructions 4

Safety instructions 5

Technical description 6

3.1 Permissible application 6

3.2 Basic function 7

Installation 9

4.1 Safety notes on installation 9

4.2 Delivery, transport and storage 9

4.3 Preparation for installation 9

4.4 Oil supply 9

4.5 Burner installation 11

4.6 Electrical connection 12

4.7 Nozzle selection 13

Commissioning and operation 14

5.1 Safety notes on initial commissioning 14

5.2 Preparation for initial commissioning 14

5.3 Initial commissioning and setting 15

5.4 Shut down periods 19

5.5 Sequence of operation and basic wiring 20

5.6 Operating the W-FM10 22

Fault conditions and procedures for rectification 23

Servicing 27

7.1 Safety notes on servicing 27

7.2 Servicing plan 27

7.3 Removing and refitting nozzle 28

7.4 Setting the ignition electrodes 28

7.5 Setting the mixing head 29

7.6 Removing and refitting nozzle assembly 30

7.7 Removing and refitting housing 30

7.8 Service position 31

7.9 Removing and refitting oil pump, fan motor, and fan wheel 31

7.10 Cleaning air housing and air damper 32

7.11 Removing and refitting air damper angle drive 32

7.12 Removing and refitting oil pump filter 33

7.13 Replacing internal fuse (W-FM10) 33

Technical data 34

8.1 Burner equipment 34

8.2 Capacity graphs 34

8.3 Permissible fuels 34

8.4 Electrical data 34

8.5 Permissible ambient conditions 35

8.6 Dimensions 35

8.7 Weights 35

Appendix Combustion analysis 36 Notes 37

Contents 1

A

These installation and operating instructions

• are an integral part of the equipment and must be kept permanently on site.

• are to be used by qualified personnel only.

• contain the relevant information for the safe assembly, commissioning and servicing of the equipment.

• are for the attention of all personnel working with the equipment.

Explanation of notes and symbols This symbol is used to mark instructions, which, if not followed, could result in death or serious injury.

This symbol is used to mark instructions, which, if not followed, could result in life threatening electric shock.

This symbol is used to mark instructions, which, if not followed, could result in damage to, or the destruction of the equipment and environmental damage.

☞ This symbol is used to mark procedures, which you should follow.

1. Procedures with more than one step are

2. numbered.

3.

❑ This symbol is used when you are required to carry out a test.

• This symbol is used to list points.

Abbreviations Tab. Table Ch. Chapter

Hand-over and operating instructions The contractor is responsible for passing the operating instructions to the plant operator prior to hand-over. He should also inform the plant operator that these instructions should be kept with the heating appliance. The address and telephone number of the nearest service centre should be entered on the reverse of the operating instructions. The plant operator must note that an agent of the contractor or other suitably qualified person must inspect the plant at least once a year. To ensure regular inspections, -weishaupt- recommends a service contract.

The contractor should instruct the plant operator in the use of the equipment prior to hand-over and inform him as and when necessary of any further inspections that are required before the plant can be used.

Guarantee and liability Weishaupt will not accept liability or meet any guarantee claims for personal injury or damage to property arising as a result of one or more of the causes below:

• Failure to use the equipment as intended.

• Improper assembly, commissioning, operating or servicing of the equipment.

• Operating the appliance with defective safety equipment, or with non-recommended or non-functioning safety and protection devices.

• Failure to follow the information in the Installation and Operating Instructions.

• Alterations made to the construction of the equipment by the plant operator.

• Fitting additional components not tested or approved for use with the equipment.

• Alterations made to the equipment by the plant operator (e.g. motor ratio - rating and speed).

• Alterations made to the combustion chamber, which hinders constructive, predetermined flame formation.

• Inadequate monitoring of parts liable to wear and tear.

• Improperly executed repairs.

• Acts of God.

• Damage caused by continued use despite the occurrence of a fault.

• Use of incorrect fuel.

• Obstruction or damage of the supply lines.

• Use of non-original -weishaupt- spare parts.

DANGER

ATTENTION

DANGER

General information1

Dangers when using the equipment Weishaupt products are manufactured in accordance with the relevant existing standards and guidelines and the recognised safety laws. However, improper use of the equipment could endanger life of the user or a third party, or result in damage to the plant.

To avoid unnecessary danger, the equipment is only to be used:

• for its intended purpose

• under ideal safety conditions

• with reference to all the information in the installation and operating instructions

• in accordance with inspection and service work.

Faults, which could affect the safe operation of the burner, should be rectified immediately.

Personnel training Only competent personnel may work on the appliance.

Competent personnel according to this operating manual are persons who are familiar with the installation, mounting, setting and commissioning of the product and have the necessary qualifications such as:-

• Training, instruction or authorisation to switch electrical circuits and electrical devices on and off, to earth them and to mark them in accordance with the safety standards.

Informal safety measures

• Everyone working on the plant should wear the necessary protective clothing.

• All safety devices should be checked regularly.

Informal safety measures

• In addition to the installation and operating instructions, local codes of practice should also be adhered to.

Special attention should be paid to the relevant installation and safety guidelines given.

• All safety and danger notices should be kept in a legible condition.

Safety measures in normal operation

• Only use the equipment when all the safety devices are fully functional.

• At least once a year the equipment, including the safety devices, should be checked for signs of visible damage and to ensure that the safety devices are operating correctly.

• More frequent safety check may be required depending on plant conditions.

Electrical safety

• Work on the electrical supply should be carried out by a qualified electrician.

• Electrical components should be checked during servicing. Loose connections and heat damaged cables should be dealt with immediately.

• Should it be necessary to carry out work on live parts, a second person should be present to switch off the mains supply in an emergency.

Maintenance and fault rectification

• Necessary installation, service and inspection work should be carried out at the specified time.

• Inform the operator before beginning any service work.

• For all service, inspection and repair work, electrically isolate the equipment and ensure the mains switch cannot be accidentally switched back on. Cut off the fuel supply.

• If, during servicing or testing, control seal joints have to be opened, these have to be thoroughly cleaned to ensure tight sealing when re-assembling.

Damaged seals must be replaced. Carry out a soundness test!

• Flame monitoring devices, limit controls, correcting elements and all other safety devices must be commissioned by, and may only be replaced by, the manufacturer or an authorised agent.

• Screwed connections, which have been loosened, must be re-tightened without cross-threading.

• Following service work, all safety devices should be tested to ensure they are functioning correctly.

Alterations to the construction of the equipment

• No alterations to the equipment are to be made without the approval of the manufacturer.

All conversions require written confirmation from Max Weishaupt GmbH.

• Any parts not in perfect working order should be replaced immediately.

• No additional components may be fitted, which have not been tested for use with the equipment.

• Use only -weishaupt- replacement and connection parts. Parts from other manufacturers are not guaranteed to be suitable to meet the necessary operational and safety requirements.

Alterations to the combustion chamber

• No alterations are to be made to the combustion chamber, which hinder constructive predetermined flame formation.

Cleaning of the equipment and waste disposal

• All materials used should be handled and disposed of correctly, with due regard to the environment.

2 Safety information 2

Type designation:

Type W L 10 /2 -D, Vers. Z

2 stage vers.

Construction type

Ratings range

Size

L = Fuel oil EL

Weishaupt burner type W

3.1 Permissible applications

The Weishaupt oil burner WL10 is suitable for:

• heat exchangers complying with EN 226 and EN303-2 or DIN4702-1

• for warm water installations with intermittent or continuous run (combustion manager switches off once in 24hrs.)

• air heaters

Any other use is only permissible with the written agreement of Max Weishaupt GmbH.

• The burner must only be operated with oil to DIN

51603-EL-1, fuel oil EL to ÖNORM-C1109 or standard fuel oil, Euro quality to SN 181 160-2 or preferably Öko fuel oil, CH quality to SN 181 1602 (see Ch. 8.3).

• Permissible ambient conditions see Ch. 8.5.

• The burner must not be used outside. It is only suited to inside operation.

• The burner must not be used outside of its capacity range (see capacity graphs, Ch. 8.2).

• To ensure low emission combustion heat exchangers of the three pass principle and combustion chamber dimensions to EN 267 are recommended.

Technical description3

The oil burner type WL10 is available in two ratings ranges, WL10/2-D and WL10/3-D.

Note The burner in its standard version has not been preset.

3.2 Basic function

Burner type

• Fully automatic oil atomising burner with fan

• Two stage operation

Digital combustion manager Main points:

• Safety via internal fuse

• Control and monitoring of all burner functions

• Safety via two microprocessors (reciprocal monitoring)

• Data bus connection (eBUS)

• Signal lamp to show operational status (see also Ch. 6):

Green Burner operating Flashing green Burner operating with weak flame signal Orange Burner start, internal test Flashing orange Ignition phase Red Burner lockout Flashing orange / red Low voltage or internal safety fault Flashing green / red Extraneous light (lockout after

24 secs.)

3 x flashing red / Over-voltage orange, short pause Flickering red Optical data transfer (not used)

Electric servomotor Setting of the individual operating points is carried out by the limit and auxiliary switches on the servomotor (Ch. 5.3)

Flame sensor Monitors the flame signal at each operating phase. If the flame signal does not concur with the sequence of operation, a safety shutdown is initiated.

Nozzle assembly

• The total oil throughput required is provided by a single nozzle.

• The diffuser is set as required with the setting screw.

➃

➂

➀

➁

Function schematic

1 Normally closed solenoid valve 2 Normally open solenoid valve (full load) 3 Oil pump with two integral solenoid valve 4 Nozzle assembly with one nozzle

Sequence of operations Demand for heat from the appliance’s controller:

• Fan start - pre-purge of the combustion chamber

• Ignition on

• Servomotor drives to partial load

• Solenoid valve stage 1 opens after prepurge – fuel release

• Flame formation

• Depending on the heat required, the servomotor drives to full load following a waiting time of approx.

5 seconds, opens the air damper and releases solenoid valve 2.

• After 24 hrs. of continuous operation a controlled shutdown is carried out.

Controlled shut down:

• Solenoid valve closes

• Post-purge of the combustion chamber

• Fan off

• Burner switches off - Standby

Do not mix up supply and return, as this can damage the pump and the automatic vent.

Oil pump AT2 45C

• Pump for distillate oil EL

• Two ratings ranges

• Two integral pressure regulating valves

• One normally closed solenoid valve 5 (stage 1);

and one normally open solenoid valve 8 (stage 2)

Technical data AT2 45C:

Pump pressure range ____________________ 8 to 25 bar Supply rating ________________________________50 l/h Factory setting ________1st stage 10 bar, 2nd stage 22 bar

Setting the atomising pressure Pressure regulating screw 6 for stage 1: 8 to 15 bar Pressure regulating screw 9 for stage 2: 12 to 25 bar Clockwise rotation =pressure increases Anticlockwise rotation = pressure decreases

Priming the pump The pump primes itself automatically on two-pipe installations. On one-pipe installations it is only possible to prime the pump using an automatic primer.

Oil hoses Technical data:

Pressure class A, DIN 4798-1

DN ____________________________________________ 4

Length ______________________________________ 1200 Pump side connection* ______________________ G 1/8” Installation side connection nipple ______________ G 3/8” Nominal pressure____________________________ 10 bar Test pressure ______________________________ 15 bar Operating temperature ______________________ 70° C

* Fitting 6x1 with M10x1 union nut

Single pipe operationSingle pipe system When operating the burner on a single pipe system, an automatic vent must be installed in front of the pump.

When mounting ensure correct connection of the supply and return.

ATTENTION

8 5

Oil pump AT2

1 Return connection 2 Suction connection 3 Nozzle supply 4 Pressure gauge connection G 1/8” 5 Solenoid valve stage 1 (normally closed) 6 Pressure regulating valve partial load 7 Vacuum gauge connection G 1/8” 8 Solenoid valve stage 2 (normally open) 9 Pressure regulating screw full load

4 Installation 4

4.1 Safety notes on installation

4.2 Delivery, transportation and storage

4.3 Preparation for assembly

Electrically isolate the plant Prior to installation switch off the mains switch and the safety switch.

Failure to comply could cause death or serious injury by electric shock.

Check delivery Check the delivery to see that it is complete and that there has been no damage in transit. If the delivery is incomplete or damaged, contact the deliverer.

Transport For the burner weight see Ch. 8.7.

Storage Be aware of the permissible ambient conditions when storing (see Ch. 8.5).

Check burner plate ❏ The burner rating must be within the operating range of the heating appliance. The ratings given on the burner plate are the minimum and maximum possible firing rates of the burner.

See capacity graphs Ch 8.2.

Space requirement For burner dimensions see Ch. 8.6.

DANGER

4.4 Oil supply

Note:

• Do not use cathode protection systems with steel tanks.

• Select pipes of correct nominal bore.

• Install pipe line with a minimum of joints.

• Joints must be oil tight.

• Avoid sharp bends.

• Influence of the length of the suction line.

• Pressure loss at the filter.

• Difference in height (H) between lowest oil level in the tank and the oil pump, max 3.5 m.

• Avoid placing oil tanks outdoors and in areas subject to frost.

With oil temperatures < 0C, the separation of paraffin can cause oil lines, filters and nozzles to become blocked with wax.

• Max. flow pressure to the pump: < 1.5 bar.

• Max. flow pressure to automatic vent

(only on single pipe system): < 0.7 bar.

• Max. suction vacuum at the pump: < 0.4 bar.

A suction vacuum > 0.4 bar can damage the pump.

• The oil supply line must be fitted close to the burner so that the oil hoses can be connected tension free.

• Install an oil filter before the pump (recommended mesh size: ≤ 70µ).

• After the oil lines have been installed; carry out a pressure test.

The burner must not be connected during the test!

ATTENTION

The operational safety of oil-fired plant is only guaranteed when the installation of the oil supply is carried out carefully. The plant must comply with DIN 4755 as well as all local regulations.

One pipe system

Oil throughput DN H [m] [kg/h] [mm] 4·0 3·5 3·0 2·5 2·0 1·5 1·0 0·5 0 -0·5 -1·0 -1·5 -2·0 -2·5 - 3·0 -3·5

Up to 2·5 4 93 90 87 83 77 72 66 60 55 49 43 38 32 26 21 14 6 100 100 100 100 100 100 100 100 100 100 100 100 100 100 94 85 8 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100

2·5 to 6·3 4 44 41 39 36 34 31 29 26 24 21 19 16 13 11 8 6 6 100 100 100 100 100 100 100 100 100 100 93 84 71 59 33 20 8 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100 100

6·3 to 12·0 6 100 100 97 94 89 82 76 69 63 56 50 43 36 30 23 16 8 100 100 100 100 100 100 100 100 100 100 100 100 98 87 75 54

Two pipe system

Pump DN H [m] [mm] 4·0 3·5 3·0 2·5 2·0 1·5 1·0 0·5 0 -0·5 -1·0 -1·5 -2·0 -2·5 -3·0 -3 ·5

AT2 45 C 6 26 24 23 22 20 19 18 16 15 13 11 9 7 5 3 –

8 88 77 73 68 64 60 55 51 47 42 38 32 27 21 15 9

10 100 100 100 100 100 100 100 100 100 100 93 82 67 53 38 24

One pipe system Two pipe system

Where the oil tank installation is at a higher elevation than the burner, please note:

Some local Codes of Practise may stipulate a shut off valve to stop the gravity flow of oil into the supply line during burner shut down.

-weishaupt- recommend the use of a solenoid valve 2 in the supply line. The solenoid valve must be slow closing so as to relieve any oil pressure back to the oil tank.

Control of the solenoid valve see Ch. 5.5.

Ring main operation When operating several burners, or with larger distances, -weishaupt- recommends the oil is supplied via a pumped ring main. For installation and operational drawings see technical worksheets.

Oil supply pump If the permissible suction vacuum is exceeded, an oil supply pump must be used. Note:

• Maximum supply pressure of 1.5 bar to the oil filter on the burner. For single pipe operation.

max. 0.7 bar to the automatic vent.

• Operation of the oil supply pump is generally in conjunction with the heat demand of the burner.

Pipeline lengths dependent on:

• Elevation difference (H) between pump and tank

• Oil throughput / pump type

• Pipe line diameter (DN) The pressure losses of additional fittings are not included in the following selection table showing pipeline diameters.

➀ Oil pump on burner ➁ Solenoid valve (slow closing) or shut off valve to stop siphonic flow ➂ Oil tank

Basic diagram of oil supply (typical only) m ax

. 2 m

+H

–H

➂

➀ m ax

. 4 ,6 m m ax . 8 m

–H

➁ m ax

. 3 ,5 m m ax

. 3 ,5 m m ax

. 4 ,6 m

➂

➀

➁

+H d1 d5

I1 d4 d3 d2

45°

4.5 Burner installation

Prepare heating appliance The diagram shows the refractory for a heating appliance without a cooled front. The refractory can be flat faced, or take a conical shape (≥ 60°). Refractory may not be required on boilers with water-cooled fronts, unless the manufacturer gives other instructions.

Combustion Dimensions in mm head d1 d2 d3 d4 d5 I1

W10/2-D 99 M8 150-170 110 120 137 W10/3-D 108 M8 150-170 110 120 140

Fill the air gap with resilient refractory insulation material (do not make solid)

Refractory

Flange gasket

Refractory and drilling dimensions

Installation steps ➀ to ➅

Connecting the oil hoses If the oil hoses are connected incorrectly, the oil pump can run dry and thus become damaged.

Note the directional supply and return arrow indications on the oil pump and filter when connecting the hoses.

Ensure the hoses are not kinked and are tension free.

ATTENTION

Danger of getting burned Some burner parts (e.g. flame tube, burner flange, etc.) become hot during burner operation and should be allowed to cool prior to service work being carried out.

Installation of burner rotated through 180° The burner can also be mounted turned through 180°.

To do this:

☞ loosen oil hoses, turn the oil pump through 180°.

☞ turn the nozzle head and diffuser so that the ignition electrodes are uppermost.

☞ refit oil hoses, ensuring that they are not twisted and are torsion free.

☞ remove servomotor with drive shaft.

☞ turn servomotor through 180° and fit new drive shat with adaptor plate (accessory).

Note when installing the nozzle and diffuser:

• Nozzle selection, see Ch. 4.7

• Distance between nozzle and diffuser, see Ch. 7.5

• Setting the ignition electrodes, see Ch. 7.4

Note Change the nozzle as described in Ch. 7.3.

DANGER

4.6 Electrical connection

☞ Check polarity of the connection plugs. Wiring diagram see Ch. 5.5.

☞ Connection to the mains supply should be carried out to the wiring diagram relevant for the type of unit.

Notes for Austria Electrical isolation with a minimum of 3 mm contact gap, acting on all poles, must be fitted adjacent to the burner.

Possibilities are:

• Switch (without micro-contacts) with required separation characteristics

• Circuit breaker

• Contactor

• Screw in type fuse with clearly recognisable designation.

Electrical connection

Example of nozzle selection for WL10/3-D, vers. Z Required firing rate QF = 84 kW

Full load: 84 kW Partial load (65%): 84 kW x 0·65 ≈ 55 kW

The nozzle selection to table Oil throughput is achieved with reference to the recommended pump pressures:

Full load: 22 bar / 83·3 kW➂

Nozzle size 1·25 gph Partial load: 10 bar / 55·9 kW➃

➂ Values for diffuser setting (Ch. 5.3) ➂➃ Values for air damper setting (Ch. 5.3)

Nozzle Partial load size 10 bar 12 bar 14 bar (USgph)* kW kg/h kW kg/h kW kg/h

1·00 – – 50·0 4·2 53·6 4·5 1·10 50·0 4·2 54·7 4·6 58·3 4·9 1·25 55·9 4·7 61·9 5·2 66·6 5·6 1·35 60·7 5·1 66·6 5·6 72·6 6·1 1·50 67·8 5·7 73·8 6·2 – –

Full load 18 bar 20 bar 22 bar 24 bar kW kg/h kW kg/h kW kg/h kW kg/h

1·00 – – 64·3 5·4 66·6 5·6 70·2 5·9 1·10 66·6 5·6 70·2 5·9 73·8 6·2 77·4 6·5 1·25 76·2 6·4 79·7 6·7 83·3 7·0 86·9 7·3 1·35 82·1 6·9 86·9 7·3 90·4 7·6 94·0 7·9 1·50 90·4 7·6 96·4 8·1 101·2 8·5 – –

Nozzle Partial load size 10 bar 12 bar 14 bar (USgph)* kW kg/h kW kg/h kW kg/h

0·65 – – – – 34·5 2·9 0·75 – – 36·9 3·1 40·5 3·4 0·85 38·1 3·2 41·7 3·5 45·2 3·8 1·00 45·2 3·8 50·0 4·2 53·6 4·5 1·10 50·0 4·2 54·7 4·6 – –

Full load 18 bar 20 bar 22 bar 24 bar kW kg/h kW kg/h kW kg/h kW kg/h

0·65 – – 41·7 3·5 44·0 3·7 46·4 3·9 0·75 45·2 3·8 47·6 4·0 50·0 4·2 52·4 4·4 0·85 51·2 4·3 53·6 4·5 57·1 4·8 59·5 5·0 1·00 60·7 5·1 64·3 5·4 66·6 5·6 70·2 5·9 1·10 66·6 5·6 70·2 5·9 – – – –

4.7 Nozzle selection

Example of nozzle selection for WL10/2-D, Required firing rate QF = 57 kW

Full load: 57 kW Partial load (65%): 57 kW x 0·65 ≈ 37 kW

The nozzle selection to table Oil throughput is achieved with reference to the recommended pump pressures:

Full load: 22 bar / 57·1 kW➂

Nozzle size 0·85 gph Partial load: 10 bar / 38·1 kW➃

➂ Values for diffuser setting (Ch. 5.3) ➂➃ Values for air damper setting (Ch. 5.3)

WL10/2-D, vers. Z

Nozzle Characteristic Firing rate make

Steinen1, Danfoss 60° S, 60°H 35 – 70 kW

Fluidics, 45° S2, 45°H 35 – 70 kW

WL10/3-D, vers. Z

Nozzle Characteristic Firing rate make

Steinen1, Danfoss 60° S, 60°H 50 – 100 kW

Fluidics, 45° S2, 45°H 50 – 100 kW

The table is based on information supplied by the nozzle manufacturer.

*Referenced to 7 bar 1 For nozzle size 1.0 to 1.1 the use of Fluidics or

Danfoss nozzles is recommended.

2 Only from pump pressure 12 bar and on single pipe system (higher oil temperature)

The table is based on information supplied by the nozzle manufacturer.

*Referenced to 7 bar 1 For nozzle size 1.0 to 1.1 the use of Fluidics or

Danfoss nozzles is recommended.

2 Only from pump pressure 12 bar and on single pipe system (higher oil temperature)

The ratings division (partial and full load-stages 1&2) of the burner are carried out via pressure changeover on the pump.

Recommended Partial load: 10…12…14 bar pump pressure Full load: 20…22…24 bar

The load is divided according to site conditions. Usually stage 1 supplies approx. 65% of the maximum oil throughput.

Spray characteristic and spray angle will change depending on atomising pressure.

Conversion of the firing rate in [kW] to the oil throughput in [kg/h]:

Oil throughput [kg/h] = firing rate [kW] / 11.9

Oil throughput changes at pressures of 10 to 24 bar Oil throughput changes at pressures of 10 to 24 bar

Commissioning and operation

5.1 Safety notes on initial commissioning

The initial commissioning must only be carried out by the supplier, manufacturer or their appointed agent. At this time, all the control and safety equipment must be checked to ensure correct operation and, if it can be adjusted, it should be checked that it has been set correctly.

Furthermore the correct fusing of the circuits and the measures for contact protection of electrical equipment and of all wiring must be checked.

5.2 Preparations for initial commissioning

Venting the suction line The suction line must be fully filled with oil and vented prior to the initial commissioning.

Otherwise, the pump can become seized as a result of running dry.

☞ Vent by hand using a suction pump.

Connect ➀ manometer For measuring the fan pressure into the mixing head whilst the burner is being adjusted.

Connect ammeter ➁ To measure sensor current during setting (use test adaptor No. 13; order No. 240 050 12 04/2).

Response limit for extraneous light: _____________ <15µA Response limit for operation: __________________ >30µA Recommended sensor current range: _______ 50 - 100µA Max. achievable sensor current: _________ approx. 120µA

Connect a pressure gauge to the oil pump

1. Connect pressure gauge (see Ch. 3.2).

2. Connect vacuum gauge (see Ch. 3.2).

ATTENTION

Connect instruments

Checklist for initial commissioning ❏ The heating appliance must be assembled ready for operation.

❏ The operating instructions of the heat exchanger must be followed.

❏ The whole plant must be wired correctly.

❏ The heating appliance and the heating system must be sufficiently filled with heating medium.

❏ Flues must be free from obstructions.

❏ The ventilators on air heaters must work correctly.

❏ Sufficient fresh air must be available.

❏ The required test points for combustion analysis must be available.

❏ Ensure soundness of the heat exchanger and the flue gas section up to the test point to avoid extraneous air from falsifying the test results.

❏ Water level controls must be set correctly.

❏ Thermostat, pressure switch and other safety devices must be in operating position.

❏ There must be a heat demand.

❏ Fuel lines must be purged of air.

❑ The correct nozzle must be selected and fitted correctly (see Ch. 4.7).

❑ The distance between the diffuser and nozzle must be set correctly (see Ch. 7.5).

❑ Ignition electrodes must be set correctly

(see Ch. 7.4).

Note Dependent on site requirements, further checks may be necessary. Note the instructions for the individual items of plant equipment.

Pressure gauge on the oil pump (for commissioning)

Refit closing plug once measurement has been taken.

Example of basic setting WL10/2-D, vers. Z

Firing rate (QF) at 22 bar full load pump pressure: 57·1 kW

This results in a diffuser setting of : 7·0

30 35 40 45 50 55 60 7065 75kW

3 4 5 63,5 4,5 5,5kg/h

Initial setting values for diffuser and air damper The burner can be preset for first commissioning using the scale values for setting the diffuser and the air damper.

The setting values are based on maximum combustion chamber resistances in accordance with EN 303. The settings need to be adjusted to suit the actual combustion chamber resistance in order to optimise combustion.

Generally, CO2 values between 12.0% and 13.0% are achievable at the presetting stage. Presetting does not replace the necessary flue gas measurements and combustion optimisation.

Note Combustion heat rating is dependent on nozzles used (see Ch. 4.7)!

5.3 Commissioning and setting

D iff us er s et tin g x

[m m

Basic air damper setting values WL10/2-D, vers. Z

Combustion heat rating

Setting the diffuser

Indicating bolt

Setting screw

Setting the diffuser Turn setting screw until scale shows the preset value at indicating bolt Einstellschraube drehen bis Skala am Anzeigebolzen den Voreinstellwert anzeigt.

Note The indicating bolt is flush with the nozzle assembly cover when diffuser setting is 0 (scale is not visible).

45 50 55 60 65 70 75 8580 90kW

4 5 64,5 5,5kg/h

7 86,5 7,5 6,5

95 100 105

D iff us er s et tin g x [m m

Basic air damper setting values WL10/3-D, vers. Z

Combustion heat rating

Example of basic setting WL10/3-D, vers. Z

Firing rate (QF) at 22 bar full load pump pressure: 83·3 kW

This results in a diffuser setting of : 7·4

Luftklappe einstellen

S T0

S T2

S T1

M V

2- O el

Z L-

G as

Full load (ST2) pre-setting:

Determine air damper setting using the full load curve in the diagram and set full load limit switch (ST2) accordingly.

Partial load (ST1) pre-setting Determine air damper setting using the partial load curve in the diagram and set partial load auxiliary switch (ST1) accordingly.

Pre-set switch point for the full load solenoid valve

(MV2):

Set the switch point to approx. 1/3 of the setting movement between ST1 and ST2.

ST0 Endschalter Zu ST2 Endschalter Großlast ST1 Hilfsschalter Kleinlast MV2 Hilfsschalter Magnetventil Großlast

Set servomotor

60 30

33°

0°

24°

60 30

60 30 27°

30 35 40 45 50 55 60 7065 75 kW

3 4 5 63,5 4,5 5,5kg/h

Basic setting values air damper WL10/2-D, vers. Z

Combustion heat rating

A ir da m pe r s et tin g

Full lo ad

Partial load

Example air damper setting WL10/2-D, vers. Z Firing rate (QF) :

Full load pump pressure (22 bar) 57·1 kW Partial load pump pressure (10 bar) 38·1 kW

This results in an air damper setting for full load (ST2) of: 33° for partial load (ST1) of: 24°

Switch point for the full load solenoid valve (MV2)

33° (ST2) - 24° (ST1)

= 3°

+ air damper setting partial load (ST1) 24°

= switch point (MV2) 27°

45 50 55 60 65 70 75 8580 90kW

4 5 64,5 5,5kg/h

7 86,5 7,5 6,5

95 100 105

Basic setting values air damper WL10/3-D, vers. Z

Combustion heat rating

A ir da m pe r s et tin g

Fu ll l oa d

Partia l lo ad

Example air damper setting WL10/3-D, vers. Z Firing rate (QF) :

Full load pump pressure (22 bar) 83·3 kW Partial load pump pressure (10 bar) 55·9 kW

This results in an air damper setting for full load (ST2) of: 52° for partial load (ST1) of: 31°

Switch point for the full load solenoid valve (MV2)

52° (ST2) - 31° (ST1)

= 7°

+ air damper setting partial load (ST1) 31°

= switch point (MV2) 38°

30 35 40 45 50 55 60 7065 75kW

3 4 5 63,5 4,5 5,5kg/h

2,5

3,0

3,5

4,0

4,5

5,0

5,5

2,0

Combustion heat rating

Guide values for fan pressure into the mixing head For the first commissioning the burner is set as per the setting values given in the diagrams, the given guide values for the fan pressure into the mixing head will result, depending on the combustion chamber resistance of the appliance.

Pressure into mixing head WL10/2-D, vers. Z

P re ss ur e [m ba r]

Full load

Partial load

45 50 55 60 65 70 75 8580 90kW

4 5 64,5 5,5kg/h

3,0

3,5

4,0

4,5

5,0

5,5

2,5

2,0

7 86,5 7,5 6,5

95 100 105

Combustion heat rating

Pressure into mixing head WL10/3-D, vers. Z

P re ss ur e [m ba r]

Full load

Partial load

Danger of getting burned!

Some burner parts (e.g. flame tube, burner flange, etc.) become hot during burner operation and should be allowed to cool prior to service work being carried out.

Danger of explosion!

CO build-up due to incorrect setting of the burner. Check CO levels and carry out a smoke number test.

When there is a CO increase or smoke, optimise combustion. CO should not exceed 50 ppm. Smoke number < 1.

DANGER DANGER

Procedure

1. Unplug 4 pole connection plug and replace with plug switch (order No. 130 103 1501/2).

2. Establish a power supply to the burner.

Mains and safety switch ON.

Burner starts according to its sequence of operation (see Ch. 5.5).

3. Pre-set pump pressure for partial load during pre-purge with the pressure regulating screw (see Ch. 3.2).

4. Start full load via switch plug and set pump pressure for full load with pressure regulating screw. Carry out combustion test (see appendix), and, whilst observing the pump pressure, optimise combustion by adjusting the air damper setting (ST2) or the diffuser setting.

5. Start partial load, check preset pump pressure and ad-just if necessary.

Carry out combustion test and optimise combustion with the air damper setting (ST1) observing the fan pressure.

If the diffuser setting has to be adjusted, steps 4 and 5 will have to be repeated.

Possibilities for improving stability

• Reduce mixing pressure at the diffuser:

☞ Turn the diffuser setting screw to the right (+).

Diffuser gap is increased.

☞ As the excess air is increased, decrease the air damper opening angle.

• Fit the next smaller size of nozzle and increase the pump pressure.

• Change nozzle manufacture.

Note After every alteration, recheck the combustion figures and adjust settings as necessary (see Appendix).

Commissioning ❏ Correct nozzle must be fitted.

❏ The servomotor and diffuser must be preset in accordance with the required combustion heat rating.

❏ There must be a demand for heat from the appliance.

Note: If during commissioning, a re-adjustment to the air damper is required to a lower position, the specific setting point has to be reset, i.e.

the new air damper setting for full load must be carried out with the burner in partial load, and then driven up to the new setting point.

Optimising combustion

• Increase pressure and mixing speed:

☞ Turn the diffuser setting screw to the left (-) Diffuser to head gap is decreased.

☞ As the excess air is reduced, increase the air damper opening angle.

5.4 Shutdown periods

Final tasks

Pressure measuring devices such as manometers and gauges can be damaged by continuous use, causing an uncontrolled oil leak.

After setting the burner, remove pressure measuring equipment. Close connection points.

☞ Measure and record monitoring current.

☞ Record flue gas measurements on the commissioning sheet.

☞ Visually check the installation for soundness, and oil lines for leaks.

☞ Mount burner cover on burner.

☞ Advise operator on use of the equipment.

DANGER

For short breaks in operation (e.g. flue cleaning etc.):

☞ Isolate the burner from the power supply.

During longer shutdown periods:

☞ Isolate the burner from the power supply.

☞ Close all fuel cut-off devices.

TW

TN

TS

TVK TVK

TVZ TNZ

5.5 Sequence of operations and wiring diagrams

Sequence of operations diagram

Boiler control

Burner motor

Ignition unit

Flame signal

Partial load valve

Full load valve

Anti siphon valve

Ratings controller

Servomotor ST2

MV2

ST1

ST0

Pre-purge/pre-ignition

Boiler control

ON

Air damper on partial load setting

Open partial load solenoid valve

Partial load operation

End of waiting time

Full load solenoid valve OPEN

Demand partial load

Full load solenoid valve CLOSED

Demand full load

Full load solenoid valve

OPEN

Post purge

Switch times Start waiting time (test) TW 3·5 secs.

Pre-ignition time TVZ 10 secs.

Post ignition time TNZ 4 secs.

Safety time TS 5 secs.

Waiting time partial load TVK 5 secs.

Post purge time TN 2·5 secs.

Servomotor run time in operation full scale movement 0° to 90° approx. 3 secs.

3116415 1312

X

X

F7

K

K

K

K

K

K

X5:1

X3:6

X3:1

X3:5

X3:12

X3:13

X3:4

X3:11

X3:3

X4:1 X

X

A

L P

E N

T1 T2

S

B

B

T6 T7

T8

F7

M Y

C

T1

M

M ~

B

F2 F1

P

H

P

H

H

F3

S h hF4

L P

E N

0V

/N

/P E

0/

0H z m ax

A

Y

Y

S

P ϑ

P ϑ

P ϑ

Y

P

P

W -F

M h h

Wiring diagram

A

W -F

M c om bu st io n m an ag er w ith p lu g co nn ec to rs

B

Fl am e se ns or

C

M ot or c ap ac ito r

F1 E xt er na l f us in g (m ax . 1

6A s lo w

F7

In te rn al fu se

(m ax

. 6 .3

A s lo w

F2

Te m pe ra tu re pr es su re li m it co nt ro lle r F3

Te m pe ra tu re pr es su re c on tr ol F4

Te m pe ra tu re pr es su re c on tr ol F ul l l oa d

H

Fa ul t l am p H

O pe ra tio n la m p H

O pe ra tio n la m p Fu ll lo ad M

B ur ne r m ot or

P 1, P

H ou rs ru n m et er (o pt io na l)

P 2, P

H ou rs ru n m et er F ul l l oa d

(o pt io na

l) S

M ai n sw itc h S

R em ot e re se t

T1 Ig ni tio n un it X

P lu g co ns ol e

X

Pr in te d ci rc ui t b oa rd s di re ct p lu g (s er vo m ot or

X

P rin te d ci rc ui t b oa rd s di re ct p lu g (B us /S

2) X

6, X

B ur ne r c on ne ct io n pl ug

Y

S ol en oi d va lv e

P ar tia l l oa d

Y

S ol en oi d va lv e

Fu ll

Lo ad

Y

A nt i s ip ho n va lv e / t an k va lv e (o pt io na l)

Y

S er vo m ot or a ir da m pe r

Bus interface

W-FM10

C om bu st io n m an ag er s ar e sa fe ty d ev ic es

D o no t o pe n!

D A

N G

E R

E ar th in g an d ne ut ra l t o lo ca l r eg ul at io ns

Luft

In st al la tio ns d ev ia tin g fr om th e w iri ng d ia gr am a re n ot p er m itt ed

D A

N G

E R bl br sw

O nl y w ith a dd iti on al p lu g di st rib ut or

Function of the illuminated push button The illuminated push button integrated into the W-FM10 has the following functions:

• Resetting at burner lockout.

• Supplying an optical diagnostic code (see Ch. 6).

• Optical data transfer (not used).

Depending on the outset conditions (burner operating or burner lockout) the illuminated push button has to be pressed 1 or 5 seconds to start the required function.

Accidental operation of the push button for less than 1 second:

Code stops flashing, combustion manager remains in the off position.

Press illuminated push button only lightly until the switch point can be felt. Pressing the push button too hard can damage the combustion manager.

ATTENTION

Burner operation ➱ switch off

~ 1 sec.

green orange green

Burner lockout ➱ reset

~ 1 sec.

Burner lockout ➱ diagnostic code ON

~ 5 sec.

Burner lockout ➱ diagnostic code OFF

~ 1 sec.

red green red orange flashing red* flashing red* orange green orange

On On On

OnOffOff

Off

* Assignment diagnostic codes see Ch. 6

5.6 Operating the W-FM10

6 Fault conditions and procedures for rectification 6 The burner is found either out of operation, in lockout (signal lamp shows red) or burner operation is hindered (signal lamp flashes orange/red or green/red).

If faults occur, check first that the basic requirements for operation are met.

❏ Is there a supply of electricity?

❏ Is there any fuel oil in the tank?

❏ Are all regulating controls for room and boiler temperature, water level interlocks, limit switches etc.

set correctly?

If it has been established that the lockout is not due to any of the above, all the burner functions must be checked.

To avoid damage to the plant, do not reset the burner more than twice. If the burner locks out for a third time call for a service engineer.

Fault conditions should be rectified only by qualified and experienced personnel.

Reset: with diagnostic code output (see ch. 5.6):

From onset of lockout wait for error analysis time of approx. 5 seconds, then press reset button until the signal lamp switches to orange (approx. 5 seconds), determine flashing code, then press reset-button for a further second to reset.

without diagnostic code output:

Press reset button until the red light goes out (approx. 1 second).

DANGER

ATTENTION

Condition Cause Rectification

Combustion manager W-FM10 Interpreting lamp signals Off No heat request or no voltage supply

Red Lockout Diagnostic codes to limit probable causes:

(press reset-button approx. 5 seconds) 2 x flashes no flame at end of safety time 3 x flashes bridging plug No. 12 missing 4 x flashes flame simulation/ extraneous light 6 x flashes servomotor error

4 x flame failure during one operation phase:

7 x flashes flame failure at partial load 9 x flashes flame failure at full load

10 x flashes no specific error code by pressing reset (approx. 1 sec.)

the flashing code list in the internal memory is deleted

Flashing red/green Extraneous light, prior Find cause and rectify (lockout after 24 secs.) to heat demand

Flashes 3 x red/orange Over-voltage > 260V Check external voltage supply then short pause

Flashes orange/red Low voltage < 170V Check external voltage supply, replace combustion manager

Internal F7 fuse has blown (Ch. 7.12) Replace fuse (6.3A slow) Check burner components andreplace any damage parts

Flickering red Optical data transfer activated Press reset button > 5 secs.

(not used) combustion manager changes to diagnostic code or operating mode

Condition Cause Rectification

Lamp signals continued Flashing green Burner operation with low Check burner setting for monitoring current of flame sensor flame stability

Flame sensor soiled Clean flame sensor

Limit values:

Response limit for extraneous light: <15µA Response limit for operation: >30µA Recommended monitoring current range: 50 to 100µA Max. attainable sensor current: approx. 120µA

Flame sensor Does not respond to flame Flame sensor defective Replace flame sensor

Motor Does not run Capacitor defective Replace capacitor

Oil pump seized Replace oil pump

Motor defective Replace motor

Ignition No ignition Ignition electrodes short Adjust ignition electrodes circuited or gap too large

Ignition electrodes dirty and damp Clean ignition electrodes

Insulation cracked Replace ignition electrodes

Ignition cable charred Replace ignition cable, find cause and rectify

Ignition unit defective Replace ignition unit

Oil pump Does not supply oil Shut off valve closed Open shut off valve

Suction valve leaking Clean / replace suction valve

Oil line leaking Tighten connections

Pre-filter blocked Clean pre-filter

Anti siphon valve does not open Check valve, if necessary replace

Pump filter fouled Clean pump filter

Filter leaking Replace filter

Oil pump defective Replace oil pump

Loud mechanical noise Oil pump drawing air Tighten connections

Vacuum in oil line is too high Clean filter. Fully open shut off valve in front of the burner (linked ball valve)

Oil leaks out as burner motor starts Oil pump solenoid valve is not tight Replace oil pump

Condition Cause Rectification

Nozzle Irregular atomisation Aperture partially blocked Replace nozzle

Nozzle filter heavily fouled Replace nozzle

Worn through extended use Replace nozzle

No oil throughput Nozzle blocked Replace nozzle

Combustion head Heavy soot deposits Defective nozzle Replace nozzle

Burner incorrectly set Correct settings

Amount of combustion air changed Reset burner

Boiler room insufficiently ventilated Ensure sufficient boiler room ventilation as per local regulations

Diffuser heavily soiled Burner incorrectly set Correct settings of mixing head (CH. 7.5) and check burner setting

Wrong nozzle Chose different nozzle, if stability allows use 45° nozzle

Pump pressure too high Select next larger nozzle size and adjust pump pressure

Voltage supply Signal lamp remains off at No voltage available Check voltage supply heat request from boiler control

Combustion manager defective Replace combustion manager

Solenoid valve Solenoid valve does not open Coil defective Replace coil

Signal lamp flashes red/green Extraneous light Find source of light and eliminate

Solenoid valve does not close tightly Foreign particles on valve seat or in the Replace oil pump protective filter

Servomotor Servomotor does not run Plug connection incorrect Check plug connection

Servomotor defective Replace servomotor (CH. 7.8)

Servomotor starts briefly, Setting of limit switches incorrect Correct setting of limit switches, then goes to lockout closed, partial load and switch point

(ST0/ST1/MV2) must not be set above full load (ST2).

Switch point (MV2) must not be set below partial load (ST1).

Servomotor does not run to Servomotor defective Check servomotor, if necessary the set limit switch value replace

Air damper or angle drive seized Check air damper and angle drive and replace if necessary

General operation problems Start up problems, burner does Incorrect setting of the Correct setting (see Ch. 7.4) not start, no flame formation ignition electrodes despite ignition and fuel supply

Diffuser too close to front Check setting edge of flame tube If necessary adjust dimension

S1(see Ch. 7.5)

Burner / combustion pulsating Mixing head incorrectly set Check setting of mixing head, strongly or booming diffuser too close to front increase dimension S1 as edge of flame tube necessary (see Ch. 7.5)

Wrong nozzle If possible, select a nozzle with the next smallest throughput and increase the pump pressure. If necessary change nozzle manufacture

Flame failure after Flame sensor dirty Clean flame sensor safety time TS

Flame sensor defective Replace flame sensor

Note After adjusting the burner settings, always carry out a combustion test.

Condition Cause Rectification

7 Servicing

7.1 Safety notes on servicing

Failure to carry out maintenance and service work properly can have severe consequences, including the loss of life. Pay close attention to the following safety notes.

Danger of getting burned!

Some burner parts (e.g. flame tube, burner flange, etc.) become hot during burner operation and should be allowed to cool prior to service work being carried out.

Qualified personnel Only qualified and experienced personnel must carry out maintenance and service work.

Prior to all maintenance and service work:

1. Electrically isolate the equipment.

2. Close all fuel carrying shut off devices.

3. Remove the 7-pole connection plug from the boiler controller.

After all maintenance and service work:

1. Function test.

2. Check flue gas losses as well as CO2 / O2 / CO values, smoke No.

3. Complete a test sheet.

Endangering operational safety Maintenance work on the following parts may only be carried out by the manufacturer or their appointed agent of the individual components.

• Flame sensor

• Combustion manager

• Solenoid valve

• Servomotor

DANGER

7.2 Servicing plan

Service interval The operator should ensure that combustion plant is serviced at least

- once a year -by an agent of the supplier or other suitably qualified person.

DANGER

Function test

• Operation of the burner with the sequence of operations (see Ch. 5.5)

• Ignition equipment

• Oil pressure switch (where fitted)

• Flame monitoring

• Pumping pressure and vacuum suction of the pump

• Tightness of oil carrying components

Test and clean

• Fan wheel and air inlet (see Ch. 7.8 and 7.9)

• Ignition equipment (see Ch. 7.4 and 7.5)

• Combustion head and diffuser (see Ch. 7.5)

• Filter

• Oil pump filter (see Ch. 7.12)

• Air damper (see Ch. 7.10)

• Flame sensor

• Nozzle filter / nozzle (see Ch. 7.3)

• Oil hoses

7.3 Removing and refitting nozzle

Removal

1. Remove burner and place into service position (see Ch. 4.5)

2. Remove ignition cables �

3. Remove screw �

4. Remove diffuser � from the nozzle assembly

5. Remove nozzle When changing the nozzle support the nozzle assembly.

Spanner size nozzle / nozzle assembly : SW16 / SW 19

Refit Refitting is carried out in reverse order.

Please note:

• The correct nozzle must be selected and fitted correctly.

• The distance between nozzle and diffuser (see Ch. 7.5)

• The ignition electrode setting (see Ch. 7.4)

Note If nozzle is soiled:

• Do not clean nozzle

• Always use new nozzle

Ignition electrode setting dimensions

7.4 Ignition electrode setting

2,0…2,5 1,0…2,0 1, 5… 2, ☞Remove nozzle assembly (see Ch. 7.6)

Note The ignition electrodes must not touch the nozzle’s oil atomisation spray cone!

Changing the nozzle

X

7.5 Mixing head setting

Setting the mixing head

S1a

1 2

Setting aid diffuserA setting aid is used to adjust dimension a. Please note the instructions given on the setting aid. Loosen screw 4, place setting aid on the diffuser and bring nozzle to the setting aid.

If the combustion head and the diffuser have heavy soot deposits, or are very oily internally, the combustion head settings must be checked. Dimension S1 (distance from the diffuser to the front edge of the flame tube) can only be checked when the burner has been removed completely or if it is mounted onto a hinged boiler door.

Incorrect setting of the mixing head can lead to soot and CO formation.

Basic setting

1. AAdjust the indicating bolt 1 by turning the setting screw 2 to scale setting 0 (dimension X = 0). The indicating bolt 1 must be level with the nozzle assembly cover.

2. Dimension S1 must be checked.

If dimensions differ:

1. Set dimension S1 by turning the setting screw 2.

2. Remove the cap from the end of the indicating bolt 1.

3. With SW5 Allen key turn the indicating bolt until it is flush with the nozzle assembly cover 3.

4. Refit the cap to the end of the indicating bolt.

Note Always carry out ratings related settings of the diffuser with the setting screw.

Never turn the indicating bolt!

Basic setting X S1 a mm mm mm

WL10/2-D, Ausf. Z 0 8·5 3·5 WL10/3-D, Ausf. Z 0 11·5 5·0

ATTENTION

Loosen screw to adjust dimension a

7.7 Removing and refitting housing cover

7.6 Removing and refitting nozzle assembly

1.

2.

3.

7.8 Service position

7.9 Removing and refitting oil pump, fan motor and fan wheel

Screw accessible via hole in fan wheel.

When fitting, the screw should sit in the recess of the motor shaft.

7.10 Cleaning the air regulator housing and air damper

7.11 Removing and refitting air damper angle gear

7.12 Removal and refitting oil pump filter

7.13 Replacing internal fuse (W-FM10)

T6 ,3

H

0V

Burner type WL10/3-D, vers. Z

Combustion head W10/3-D Combustion 50 to 100 kW rating 4·2 to 8·4 kg/h

Technical data

8.1 Burner equipment

Burnertype Combustion Motor Servomotor Fan Ignition Flame Oil pump manager wheel unit sensor

WL10/2-D, W-FM10 ECK 03/F-2 STD 4.5 152x47 W-ZG01 QRB1B AT2 45C vers. Z 230V, 50Hz BO. 36/6-4NL

2870 rpm 24V; 3·5W WL10/3-D, 0·13 kW; 0·95 A vers. Z Cond. 4 µF

8.4 Electrical data

Mains voltage _______________________________ 230 V Mains frequency _____________________________ 50 Hz Consumption - Start _______________________ 0·33 kW

- Operation _____________________0·2 kW Current _____________________________________ 1·1 A External fusing ___________________________ 16 A slow Internal fusing W-FM10 ____________________6·3 A slow

3 3,5 4 4,5 5 5,5 6

30 35 -0,6

-0,4

-0,2

0,2

0,4

0,6

0,8

1,0

40 45 50 55 60 65 70 75kW kg/h

1,2

8.2 Capacity Graphs

Burner type WL10/2-D, vers. Z

Combustion head W10/2-D Combustion 35 to 70 kW rating 2·9 to 5·9 kg/h

Combustion heat rating

C om bu st io n ch am be r p re ss ur e

[m ba r]

Capacity graph to EN 267 All ratings data given relate to an air temperature of 20° C and an installation altitude of 500 m.

-0,6

-0,4

-0,2

0,2

0,4

0,6

0,8

1,0 kW kg/h

1,2

4 4,5 5 5,5 6 6,5

50 60 70 80 90 100

8 8,57 7,5

Combustion heat rating

C om bu st io n ch am be r p re ss ur e

[m ba r]

Capacity graph to EN 267 All ratings data given relate to an air temperature of 20° C and an installation altitude of 500 m.

8.3 Permissible…