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Wolf MKS 140, Technical Manual And Installation Instructions, Page: 2 / 20

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Suitable for heating systems in accordance with DIN 4751 part 1 and 2 with maximum
flow temperatures up to 120 °C.

Oil- and gas-fired steel boilers

Type MKS

Oil-fired Unit steel boilers

with two-stage pressure jet oil burner

Type MUS

Oil- and gas-fired steel boiler for pressure jet combustion in accordance with EN 303
and EC Directive 90/396/EEC (gas consuming equipment), 73/23/EEC (Low Voltage
Directive), 89/336/EEC (EMC Directive), 92/42/EEC (Hot Water Boiler Efficiency) and 93/
68/EEC (Identification Directive) for heating systems with heating circuit pumps and
flow temperatures up to 110 °C and 4 bar permissible operating pressure in accordance
with DIN 4751 and max. DHW cylinder pressure 10 bar in accordance with DIN 4753.

The NO

x

 limits required by the 1st BImSchV §7(2) are maintained.

Summary of Contents for MKS 140

Page 1: ...n instructions for the Unit pressure jet oil burner is included in the pressure jet oil burner pack The control unit installation and service instructions included in the control unit pack Wolf GmbH 84048 Mainburg Postfach 1380 Telephone 49 8751 74 0 Fax 49 8751 741600 Partno 3048034 03 03 TV GB ...

Page 2: ...ion in accordance with EN 303 and EC Directive 90 396 EEC gas consuming equipment 73 23 EEC Low Voltage Directive 89 336 EEC EMCDirective 92 42 EEC HotWaterBoilerEfficiency and93 68 EEC Identification Directive for heating systems with heating circuit pumps and flow temperatures up to 110 C and 4 bar permissible operating pressure in accordance with DIN 4751 and max DHW cylinder pressure 10 bar in...

Page 3: ...25 125 125 Foundation plinth Height mm 80 80 80 80 80 80 80 80 80 80 80 80 80 Width mm 800 850 800 850 800 850 1000 950 1000 950 1100 1100 1100 Length mm 1360 1300 1360 1300 1700 1500 1850 1500 1850 1500 2000 2000 2000 Boiler flow flange DN 65 65 65 80 80 100 100 100 Safety flow air vent valve male thread R 1 1 1 1 1 2 2 2 Boiler return flange DN 65 65 65 80 80 100 100 100 Filling draining safety ...

Page 4: ...ts output range which is stated in the specification supplied by WOLF Appropriate use of the boiler refers to the exclusive use in hot water heating systems in accordance with DIN 4751 Never remove bypass or otherwise disable any safety and monitoring equipment Only operate the boiler in perfect technical condition Any faults and damage with a potential impact on safety which might limit the safe ...

Page 5: ...ystem has been shut down Position the boiler horizontally or slightly rising towards the back to ensure adequate venting of any trapped air Boilers should not be installed in areas subject to aggressive vapours or very dusty highly humid conditions workshops washrooms hobby rooms etc The combustion air must be free from halogenated hydrocarbons e g as contained in sprays solvents and cleaning flui...

Page 6: ...front and secure with adhesive strips 8 Sidepanels Push the l h r h casing over the rear panel and secure with the screws MUS 85 to 100 MKS 85 to 140 M8x16 supplied to the lower two spacers 8 Sidepanels Secure the l h r h front and rear panels with screws M6x10 then push over the rear panel MKS 190 to 500 and secure with the screws M8x16 supplied on the lower three spacers 9 Wolflabel Hook into th...

Page 7: ...t out Adjust the setscrew in accordance with the scale Install in reverse order Changing the setting of the high limit safety cut out STB for R31 STAV Observe the respective installation and operating instructions for R32 R33 and R33 4 control units Burnercable 1st stage 2nd stage Boilersensor Mainssupplycable Heatingcircuitpumpcable Loadingpumpcable DHWcylindercable Adjusting the boiler thermosta...

Page 8: ...n using pipes which are not impermeable to oxygen The boiler and central heating system may only be filled if a type tested safety valve opening pressure max 3 bar has been installed at the ventilation connection of the boiler Install a filling drain valve to fill the central heating system at the drain filling connection and connect a water hose Observe the pressure gauge in the safety equipment ...

Page 9: ...QN Rated boiler output in kW cp Specific energy 4 2 kWs kgK ρW Specific weight of water 1000 kg m t Temperature differential between the flow temperature and bypass temperature recommended design temperature differential 30k The shunt pump head results from the boiler pressure loss at the selected volume flow the pipework pressure loss as well as all individual boiler circuit pressure losses A ret...

Page 10: ...ast 25 mm beyond the door installation Use fixing screws for the burner flange which cannot the inserted into the boiler door more than 15 mm Connect the ventilation fitting at the sight glass with the burner fitting After the control unit installation plug the burner cable into the burner Ensure that the combustion output matches the rated boiler output Observe the details provided by the burner ...

Page 11: ...als for safety pressure switch Control unit junction box Terminals for remote pressure monitoring Burner connection To the control unit To the control unit ye gn P E bl N br L1 P E L1 N br L1 bl N ye gn PE blk ye gn blu br w gr r 2 3 4 1 blk ye gn bl br w gr r To the control unit Remove the burner plug from the control unit connect the black to the brown core and connect the white core to the burn...

Page 12: ...est permissible water level on the water level indicator The pipework between the boiler the expansion vessel and the safety valve must not be able to be shut off A valve which has been protected against unauthorised closure e g a cap valve would also be acceptable Thesystemdiagramonlyindicatesthesafetyrequirementsbutisnotarecommendation for specific types of heating network control Fresh air vent...

Page 13: ...ns of supply lines and blow off lines Safetyvalve Diaphragm safety valve Blow off output in kW 50 100 200 350 600 Size internal diameter DN 15 20 25 32 40 Fitting thread for supply line G G G 1 G 1 G 1 Fitting thread for blow off line G G 1 G 1 G 1 G 2 The water and gas chamber of pressure expansion valves must be calculated in accordance with DIN 4807 part 2 If the permissible operating pressure ...

Page 14: ...is protected above 3 bar or which has a rated output higher than 350 kW with a maximum pressure switch type tested according to VdTÜV Code of Practice Issue 100 l Monitor the operating pressure of hot water heat generator systems with a minimum pressure switch type tested in accordance with the VdTÜV Code of Practice Issue 100 I in order to prevent water evaporating inside the heating system as a ...

Page 15: ...cross sections Rated output in kW Required chimney size in cm x cm Effective chimney height in m Effective chimney height in m Rated output in kW Please note We recommend that you let your chimney manufacturer design the chimney Square cross sections Required chimney diameter in cm ...

Page 16: ...lue gas collector box to approx 3rd quarter of 98 16 08 017 X X X Sight glass flat packing 39 01 040 X X X X X X X X Cleaning brush 24 40 240 X X Cleaning brush 24 40 241 X Cleaning brush 24 40 242 X X Cleaning brush 24 40 243 X X X Sight glass 24 00 125 X X X X X X X X Sensor well up to model M 2850 45 00 150 X X X X X X X X Sensor well from model M 2851 24 25 070 X X X X X X X X Turbulators 89 0...

Page 17: ...ed OFF Oil filter clogged Replace oil filter Heating circuit System in summer mode Check summer winter switch position pump does not start Heating circuit pump locked up Turn the pump shaft with a screwdriver Heating circuit pump faulty Replace the heating circuit pump Cylinder loading pump DHW cylinder thermostat faulty Check the DHW cyl thermostat and replace if nec does not run DHW loading pump...

Page 18: ...18 Notes ...

Page 19: ...19 Notes ...

Page 20: ...nich ID of the named body CE0036 Applied standards TRD702 and specifications DINEN297and656 We WolfGmbH Industriestraße1 84048Mainburg herebydeclarethattheaboveboilercomplieswiththeappropriateregulations laid down in the 97 23 EC Directive when the safety temperature has been set to 110 C This declaration loses its validity if the product is modified without our express permission Observe the safe...

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