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Dear Customer,

 

 

We  would  like  to  thank  you  for  choosing  the  high-quality  DEFRO 

product  which  will  ensure  your  safety  and  operational  reliability.  As  our 

customers,  you  can  always  count  on  the  help  of  the  DEFRO  Service 

Centre, which is ready to ensure the continuous operation of your boiler.

 

 

Please  note  that  in  order  to  use  the  heating  boiler  safely  and 

efficiently, it is crucial to get familiar with the following directions.

 

• Get familiar with this Operating Manual 

- useful remarks concerning the 

proper operation of the boiler can be found there.

 

•  Determine  if  all  parts  have  been  delivered  or 

if  the  boiler  was  not 

damaged during transport.

 

• Check data on the rating plate against the warranty card.

 

• 

Before  starting  the  boiler,  check  central  heating  and  flue  connections 

against  connection  recommendations  included  in  this  manual  and 

appropriate national regulations.

 

 

Basic boilers usage rules are to be obeyed while using the boiler. Do 

not open the doors during the operation of the boiler.

 

 

DEFRO  Service  Centre  or  Authorized  DEFRO  Service  should  be 

always contacted when any intervention is necessary because only these 

parties have original spare parts and are properly trained within the scope 

of installation and operation of DEFRO boilers.

 

 

 

For  your  safety  and  boiler  use  convenience  please  get  acquainted 

with this operating manual and send back a 

correctly filled

 copy of the 

Warranty Card to the following address:

 

 

DEFRO R. Dziubeła sp. k. 

- Centrum Serwisowe  

Ruda Strawczyńska 103a

 

26-067 Strawczyn

 

 

 
 

 

 

By  sending  back  your  warranty  card,  you  will  be  registered  in  our 

DEFRO  heating  boilers  users’  database  and  we 

will  be  able  to  provide 

you with quick and professional technical support.

 

If you do not send back a correctly filled in Warranty Card and the 

boiler  quality  and  completeness  receipt  within  the  period  of  up  to  two 

weeks after the date of installation but no longer than within six months, 

after  purchasing,  the 

warranty  will  become  invalid! 

This  results  in 

delays with repairs and the necessity of

 covering costs 

of all repairs and 

traveling expenses.

 

Thank you for understanding.  

Yours sincerely,

 

DEFRO R. Dziu

beła sp. k.

 

 

Dear Customer,

 

 

We would like to inform you that we make every effort to 

offer products of quality fulfilling the most restrictive standards 

and warranting operational safety.

 

All  boilers  are  produced  in  accordance  with  the 

requirements  of  relevant  EU  directives  and  have  CE  safety 

mark confirmed by the Declaration of Conformity EC. 

 

 
 

 

We  appreciate  all  your  comments  and  proposals 

regarding our level of service.  We appreciate your comments 

and  proposals  regarding  our  devices  and  the  level  of  service 

provided by our Partners and Technical Support/Service. 

 

 
 

 
 

 
 

DEFRO 

R. Dziubeła sp. k.

 

 

 
 

 
 
 

 
 
 

 
 

 
 
 

 
 
 

 
 

 
 
 
 
 

 
 
 

 
 
 

 
 

 

Content of this Operating Manual is a property of DEFRO R. Dziubeła sp. k. 

Any copying, duplicating, publishing of content of this Manual without prior written 

consent of DEFRO R. Dziubeła sp. k. is forbidden.

 

 

Summary of Contents for CLEAN HEAT

Page 1: ...operating manual central heating boiler dws translation of original operating manual edition 12 January 2022 CLEAN HEAT...

Page 2: ...ation Module B type of project with the requirements specified in Directive 2014 68 EC have been carried out in the presence of the Office of Technical Inspection as the Notified Body UDT CERT No 1433...

Page 3: ...correctly filled copy of the Warranty Card to the following address DEFRO R Dziube a sp k Centrum Serwisowe Ruda Strawczy ska 103a 26 067 Strawczyn By sending back your warranty card you will be regis...

Page 4: ...LAINT FORM 31 20 COMPLAINT FORM 33 21 COMPLAINT FORM 35 List of tables Table 1 Equipment of the DWS boiler Table 2 Dimensions of the DWS boiler charging chamber and fuel charging hole Table 3 Basic di...

Page 5: ...rgin with respect to actual requirements resulting from the building heat balance All the most important information included in the operating manual is distinguished by marks pointing out the user s...

Page 6: ...nd ash is gravitationally transferred to the ash pan chamber Arrangement of charging furnace and ash pan doors allows easy access to cleaning of charging furnace and ash pan chamber Cleaning doors are...

Page 7: ...nace chamber the lowest dimension just over the grate and the biggest at the top of the chamber is given Table 2 Dimensions of charging chamber AxB1 B2xC and fuel charging hole D for DWS boilers Pictu...

Page 8: ...ion 11 connector for installation of return water temperature sensor 12 flue 13 connector for fan supporting the draught 14 flue cleanout opening 15 cover of the side cleanout opening I 16 side cleano...

Page 9: ...be stored in a non heated room under a roof and with efficient ventilation Prior to installation it is to be determined if all parts have been delivered and if they are in good technical condition In...

Page 10: ...flammable beech wood oak wood plywood C2 medium flammable pine wood larch wood spruce wood cork sawn wood boards rubber carpet C3 easily flammable asphalt ply celluloid mass polyurethane polystyrene p...

Page 11: ...not exceed 30 m Values of internal diameters of pipes protecting the boilers assumed according to PN 91 B 02413 are presented in the below table Table 6 Nominal and internal dimensions of safety and...

Page 12: ...re in a boiler The thermostatic head of the controller under the influence of the water temperature fluctuations using a lever and chain opens or closes a flap in furnace and ash pan doors increasing...

Page 13: ...sure by not more than 10 In case of exceeding of pressure set water outflows through the discharge conduit what results in a decrease of pressure in the system Water and steam outflowing from the valv...

Page 14: ...supply with cold water 7 20 19 18 17 2 13 p outflo w 1 boiler 2 domestic hot water pump 3 non return valve 4 central heating pump 5 floor heating pump 6 three way mixing valve 7 accumulation tank 8 t...

Page 15: ...ney will start from the level of the boiler room floor because flue gases getting out of the boiler should have a reflection possibility It is also important to have a cleanout opening with tight clos...

Page 16: ...t out through the charging hole seal Picture 15 Correct position of secondary air flow damper of nozzle during firing up the boiler Hint Before charging set the lever of the short cycle to OPEN this w...

Page 17: ...the factory settings 8 4 LOW TEMPERATURE CORROSION The boilers should be operated with differences between supply and return temperatures within the range of 10 20 C and return water temperature not s...

Page 18: ...is necessary in the case when low temperatures are maintained for a long time This operation is intended for increasing life of the boiler NOTE The above mentioned operations should be also absolutel...

Page 19: ...ves Required temperature cannot be reached too low fuel calorific value add fuel of higher calorific value or replace with fuel of required parameters too much chimney s draught use draught regulator...

Page 20: ...are to be removed immediately 8 In the winter it is not recommended to make heating breaks as water in the system can freeze which is particularly dangerous as starting up the boiler when the central...

Page 21: ...f purchase c brief description of fault d boiler protection system type of the expansion vessel e detailed address and phone number of the Purchaser If the following cases are complained about incorre...

Page 22: ...lements lack of spare parts at the supplier adverse weather conditions force majeure 6 Failure to carry out repairs within this period cannot constitute a ground for any claims against DEFRO R Dziube...

Page 23: ...d central heating system safety fittings in accordance with PN EN 12828 safety valve manometer air vent BVTS valve cooling coil pipe capacity of membrane expansion vessel in accordance with PN EN 1282...

Page 24: ...ire quenching system and pipe testing BVTS valve and FIREFIGHTER system checking connection of fuel charger container with the boiler charging fuel container with fuel checking coal charging by the ch...

Page 25: ...iler room distance from gear motor to wall on the side of the container II CENTRAL HEATING SYSTEM Notes central heating system open leading of expansion pipe in accordance with PN B 02413 1991 locatio...

Page 26: ...quenching system and pipe testing BVTS valve and FIREFIGHTER system checking the connection of fuel charger container with the boiler charging fuel container with fuel checking coal charging by the ch...

Page 27: ...operation permit issued by the given Office of Technical Inspection UDT DWS boilers are intended for use in an open central heating system according to the PN 91 B 02413 They can be used in central he...

Page 28: ...28 17 CARRIED OUT WARRANTY REPAIRS AND MAINTENANCE No Date Fault description repaired elements description of repairs Notes Stamp and signature of Service 1 2 3 4 5 6 7 8 9 10...

Page 29: ...on an operation permit issued by the given Office of Technical Inspection UDT DWS boilers are intended for use in an open central heating system according to the PN 91 B 02413 They can be used in cen...

Page 30: ...30...

Page 31: ...and surname of service technician Way of fault removal Advice DESCRIPTION _ END OF COMPLAINT Name and surname of service technician Fault removal date Justness of complaint_ Duration of repair Fault...

Page 32: ...32...

Page 33: ...and surname of service technician Way of fault removal Advice DESCRIPTION _ END OF COMPLAINT Name and surname of service technician Fault removal date Justness of complaint_ Duration of repair Fault d...

Page 34: ...34...

Page 35: ...ame and surname of service technician Way of fault removal Advice DESCRIPTION _ END OF COMPLAINT Name and surname of service technician Fault removal date Justness of complaint_ Duration of repair Fau...

Page 36: ...36...

Page 37: ...pivoting lid 2 1 Screw M5 2 pcs 1 2 Limiter 1 pcs 2 1 STEP 1 Slide the limiter on the locking screw STEP 2 Fix the limiter using M5 screws Picture 19 Installation of the limiter of the pivoting lid St...

Page 38: ...38 1 Levelling leg 4 pcs 2 M12 nut 8 pcs Picture 21 Installation of boiler leveling legs 2 1...

Page 39: ...39...

Page 40: ...t or briquette no Sawdust moisture 50 no Other wooden biomass no Non wooden biomass no Hard coal yes 75 60 30 700 350 Brown coal including briquette no Coke no Anthracite no Briquettes made of mixed f...

Page 41: ...t or briquette no Sawdust moisture 50 no Other wooden biomass no Non wooden biomass no Hard coal yes 75 60 30 700 350 Brown coal including briquette no Coke no Anthracite no Briquettes made of mixed f...

Page 42: ...t or briquette no Sawdust moisture 50 no Other wooden biomass no Non wooden biomass no Hard coal yes 77 60 30 700 350 Brown coal including briquette no Coke no Anthracite no Briquettes made of mixed f...

Page 43: ...and address of the equipment supplier DEFRO R Dziube a sp ka komandytowa 26 067 Strawczyn Ruda Strawczy ska 103A EQUIPMENT PARAMETERS UNIT MODEL IDENTIFICATION DWS 12 DWS 17 DWS 22 Energy efficiency c...

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