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New W series capacity rangeThe Weishaupt WG10 and WG20 gas burners join the WG5, WG30 and WG40to complete the line-up of products successfully introduced over the course ofthe last few years.As with all new W series Weishaupt burners, the WG10 and WG20 burners also usethe latest microprocessor technology for the control and monitoring of all burnerfunctions.As a result not only do they offer improved precision and ease of use, but they alsorepresent fantastic value for money.Mixing headAn outstanding detail of the low-emissionLN burners is the specially developedmixing head. The specific way in whichcombustion air and gas are introducedleads to intensive flue gas recirculation.Various tests and results from the fieldhave shown that the NO x limit of≤ 40 ppm (calculated as NO 2 ), which isrequired in many countries for naturalgas, can be improved upon as long ascertain combustion chamber conditionsare adhered to. With correspondingcombustion chamber conditions, figuresof ≤ 58 ppm can be achieved with LPG.EconomicalThe best technology, functional designand proven quality have always been thehallmarks of Weishaupt products. Withthe WG10 and WG20 gas burners, weare introducing new burners thatcontinue this tradition in an exemplaryfashion. They fulfil the demand foreconomical and environmentally friendlyoperation combined with a low purchasecost.Fully automatic operationThe burners function fully automatically.They reliably cater for multifarious heatexchangers for heating and hot water.Compact constructionAll of the new burner type’s componentsare brought together into a compactspace.The fuel and air regulating componentsare clearly laid out and easily accessible.The mixing head can be accessed frombehind and completely removed. Theburner can be hung on the left hand sideof the casing during servicing. Thisenables easy access to the fan inparticular. An easily removable coverprotects all the components and electrics.Noteworthy points: The radial fan, thesound absorbing air inlet housing, the airdamper for suction side air regulationand the microprocessor controlledcombustion manager. The W-ZG 01electronic ignition unit, which hasreplaced the ignition transformer on allW series Weishaupt burners, providesreliable ignition.Error-free plug connectionCoded plug connections ensure thecorrect electrical connection of allcomponents.Gas multi-function assemblyThe newly conceived multifunctionassembly comprises the followingcomponents/functions:• Servo controlled gas regulator for aconstant gas pressure• 2 solenoid valves• Low gas pressure switchIf the gas pressure drops too far thelow gas program is initiated.Operational safety and reliability.Proven technology makes the new gasburners safe and reliable. The individualcomponents as well as the completedproduct are comprehensively tested,guaranteeing safe operation for manyyears.Test proceduresThe WG10 and WG20 gas burnerscomply with European and NorthAmerican applicable standards,including:• UL std 795 - 1999• CGA std 3.4 - 1973• CAN/CSA std C22.2 No.3 - 1988• CGA std 3.0 - 1968FuelsThe following fuels can be fired: NaturalGas as well as Liquid Petroleum Gas.In standard version, the burners and gastrain are only suitable for indooroperation.2

Single and two stage operationwith W-FM 10 combustion managerGas butterflyvalveAir stepping motor (linked to gas butterfly)W-FM 10 combustion managerSingle and two stage operationW-FM 10 combustion managerThe W-FM 10 combustion managerindependently monitors and controls allof the burner’s functions.Digital combustion management makescommunication with other systemspossible. The BUS connection allows theengineer to monitor the sequence ofoperations and diagnose any faultconditions.The main details:• Microprocessor controlled combustionmanager for single and two stageoperation• Identical for both oil and gas burners• Ionization flame monitoring• 7 and 4 pole connection plugintegrated into burner housing• Electrical remote reset• BUS connection• Prepurge time can be set by computervia the BUS• Safety via two microprocessors(reciprocal monitoring)• Multi color LED annunciation toindicate operational stage and faultconditions• Suitable for hot water plant, includingcontinuous operation (After 24 hoperation a necessary short shutdowntakes place automatically)• Suitable for air heaters and steamboilers3

Sliding two stage and modulating operationwith W-FM 20 combustion managerAir stepping motorW-FM 20 combustionmanagerGas stepping motorSliding two stage and modulating operationW-FM 20 combustion managerThe W-FM 20 combustion managerindependently monitors and controls allof the burner’s functions.Digital combustion management makescommunication with other systemspossible. The BUS connection allows theengineer to monitor the sequence ofoperations and diagnose any faultconditions.The main details:• Identical construction for oil and gasburners• Automatic recognition of gas or oilburner• Easy operation via a key on the displaypanel• LCD display to show the following–Operating mode with ratings setting–Information mode–Hours run- Number of burner starts- Measured fuel consumption withcorresponding gas meter- Unit number- Software version- Date of manufacture–Service mode- Burner setting values- Error message display– Parameter mode- Air damper setting at burnershutdown- Post purge time- BUS address– Error messages• Electronic compound fuel/airregulation to given characteristics• Control of stepping motors• Multifunctional Bus connection to:–PC for presentation of theoperational sequence and setting offunction parameters–Remote monitoring and diagnosisvia self-dialling modem–Interfacing with other componentsof the heating plant (e.g. controlleror DDC unit)4

Installation, setting and service:Easier, quicker and more precise than ever beforeTime is moneyWeishaupt burners of this rating are alsoeasy to install. It is possible for oneperson to mount the burner on the boiler.Optimum accessibilityOptimum accessibility becomesapparent the moment the cover isremoved. All the components are clearlylaid out, electrical connection isunmistakable. The components arealso easily accessible for servicing.The mixing head can be matched to therequired rating with the setting screw.It can be accessed from behind andcompletely removed with ease. This stateof the art technology is typical ofWeishaupt products.The motor block can be removed andplaced into a service position forservicing the fan. Every service engineerbenefits from this accommodatingconstruction.Easy removal of the mixing headThe service position allows good access to the fan.5

Technical DataCapacity graph: WG10.../1-C gas burnerCapacity graph: WG20.../1-C gas burner“WCBurner typeCombustion headRatingWG10.../1-CWG10-C85 – 375 MBTU/h*“WCBurner typeCombustion headRatingWG20.../1-CWG20-C120 – 685 MBTU/h*10.80.60.40.20-0.2-0.4MBTU/h 100 150 200 250 300 350 400Depending on the altitude of the installation, a reductionin capacity of approx. 1% per 328 ft. above sea level mustbe taken into consideration.Model OverviewBurner type Version Mode of operation Gas train Order number RatingsizeMBTU/h*WG10Natural GasWG10 N/1-C Z-LN Single or two stage 3/4˝ 232 113 24 85 – 375WG10 N/1-C ZM-LN Sliding two stage or modulating 3/4˝ 232 116 24 85 – 375LPGWG10 F/1-C Z-LN Single or two stage 3/4˝ 233 113 24 85 – 375WG10 F/1-C ZM-LN Sliding two stage or modulating 3/4˝ 233 116 24 85 – 375WG20Natural GasWG20 N/1-C Z-LN Single or two stage 1˝ 232 213 34 120 – 685WG20 N/1-C ZM-LN Sliding two stage or modulating 1˝ 232 216 34 120 – 685WG20 N/1-C Z-LN Single or two stage 1˝ 232 213 44 120 – 685WG20 N/1-C ZM-LN Sliding two stage or modulating 1˝ 232 216 44 120 – 685LPGWG20 F/1-C Z-LN Single or two stage 3/4˝ 233 213 24 120 – 685WG20 F/1-C ZM-LN Sliding two stage or modulating 3/4˝ 233 216 24 120 – 685Optional equipmentWG10/1-C, ZM WG10/1-C, Z WG20/1-C, ZM WG20/1-C, ZOrder number Order number Order number Order numberHours run meter, inbuilt1230 008 011230 008 01Solenoid valve for air pressure switch test on continuous running fan or post purge 230 007 98 230 003 29 230 007 98 230 003 29Head extension Natural Gas by 4” (100mm) 230 008 49 230 008 49 230 007 80 230 007 80by 8” (200mm) 230 008 50 230 008 50 230 007 81 230 007 81by 12” (300mm) 230 008 51 230 008 51 230 007 82 230 007 82LPG by 4” (100mm) 230 008 52 230 008 52 230 007 83 230 007 83by 8” (200mm) 230 008 53 230 008 53 230 007 84 230 007 84by 12” (300mm) 230 008 54 230 008 54 230 007 85 230 007 85DLU digital ratings convertor 230 007 06 – 230 007 06 –Remote reset 230 007 97 230 007 97 230 007 97 230 007 971 integrated into W-FM 20 combustion manager on ZM version* The burner ratings are based on lower calorific value10.80.60.40.20-0.2-0.4MBTU/h 100 200 300 400 500 600 700Minimum 275 MBTU/h rating at high fire for WG20.6

Technical DataBurner type Combustion Motor Stepping Ignition Air pressure Display Burner Gas Flamemanager motor unit switch weight train sensorWG10 ../1-CVersion Z-LN W-FM 10 ECK 03/F – 2/1 STD 4.5 * W-ZG 01 AA-A2-4-5 without 30 lbs. 13 lbs. IonizationVersion ZM-LN W-FM 20 110 V, 60 Hz STE 4.5 ** AM 20.02 (approx) (approx)0.13 kW, cap. 4 µFWG20 ../1-CVersion Z-LN W-FM 10 ECK 04/F – 2/1 STD 4,5 * W-ZG 01 AA-A2-4-5 without 44 lbs. 13 lbs. ➀ IonizationVersion ZM-LN W-FM 20 110 V, 60 Hz STE 4,5 ** AM 20.02 (approx) 15 lbs. ➁0.21 kW, cap. 8 µF (approx)* Operational runtime: max. 50 s across full setting range / min. 25 s across reduced setting range / approx. 1 to 2 s during prepurge** Operational runtime: approx. 3 s across full setting range / < 3 s across reduced setting range / approx. 3 s during prepurgeGas train layoutExplanation of designationP7W G 20 N .../1-C LNF1 2 4 516LN = Low NO xIndexN = Natural gasF = LPGSizeG = Gas burnerWeishaupt W series burner3P1 Ball valve2 Additional gas pressure regulator (optional)3 Gas pressure switch4 Gas valve5 Gas pressure regulator6 Gas butterfly valve7 Burner* The burner ratings are based on lower calorific value7

DimensionsScope of deliveryWG10.../1-C burner dimensionsScope of delivery3/4”• Burner with sound absorbing inlethousing1.03.716.64.36.513.9• Housing with burner motor and fanwheel• Flange with servicing bracket, fixingscrews and gasket• Air regulation housing withservomotor controlled air damper13.7 5.55.9 - 6.74.313.0• LN (LowNOx) mixing head withdiffuser and ignition and ionizationelectrodes• Combustion head6.5• W-ZG 01 electronic ignition unit withshielded ignition line1.24.5WG20.../1-C burner dimensions1”6.445°M8• Sensor line (ionization) equipped withtest point• Microprocessor controlled W-FM10/W-FM 20 combustion managerwith integrated plug console andexternally accessible 7 + 4 poleBUS connection• Cover11.20.83.84.77.114.8• Complete gas train• For further detailed informationplease refer to the technicaldocumentation provided with theburner15.6 5.514.06.75.17.11.36.27.045°M8Weishaupt Corporation6280 Danville RoadMississauga, ON L5T 2H7, CanadaTel: (905) 564 0946Fax: (905) 564 0949Email: sales@weishaupt-corp.comwww.weishaupt-corp.com8Print No. 83203216, February 2003Printed in Germany. All rights reserved.