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Summary of Contents for Viessmann Vitomax LW
- Page 1 All manuals and user guides at all-guides.com Viesmann Operating and service instructions for contractors Vitomax LW Type M148 Type M62 Type M64 Type M82 Type M84 Low pressure hot water boilers VITOMAX LW Please keep safe. 5673144 GB 1/2019...
- Page 2 All manuals and user guides at all-guides.com Safety instructions Safety instructions Please follow these safety instructions closely to prevent accidents and material losses. Safety instructions explained Danger Note This symbol warns against the risk of injury. Details identified by the word "Note" contain additional information.
- Page 3 For replacements, use only original spare parts supplied or approved by Viessmann. Safety instructions for operating the system General Draining hot water The materials included in the product pose no threat to Please note health during operation.
- Page 4 All manuals and user guides at all-guides.com Safety instructions Safety instructions (cont.) Only authorised personnel are permitted to enter the Any defects must be dealt with immediately by trained boiler house. personnel, e.g.: Keep the boiler house clean at all times. ■...
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Page 5: Table Of Contents
Commissioning, inspec- Steps - commissioning, inspection and maintenance ......14 tion, maintenance Wearing parts Wearing parts and gaskets ..............29 Viessmann Industrial Service contact details ........32 ■ Commissioning/service Reports for commissioning, inspection and maintenance ..... 33 reports Keyword index... -
Page 6: Information Symbols
All manuals and user guides at all-guides.com Information Symbols The steps in connection with commissioning, inspec- Symbol Meaning tion and maintenance are found in the "Commission- Reference to other document containing ing, inspection and maintenance" section and identified further information as follows: Step in a diagram: Symbol... -
Page 7: Intended Use
All manuals and user guides at all-guides.com Information Intended use The appliance is intended solely for installation and All other use is deemed inappropriate. Any resulting operation in sealed unvented heating systems, with losses are excluded from the manufacturer's liability. due attention paid to the associated installation, serv- ice and operating instructions. -
Page 8: Operating Information Operating Tips
Maintain the following at all times Authorised to commission the boiler: ■ Water temperature: 70 °C ■ Viessmann Industrial Service (for contact details see ■ Specified operating pressure page 32) or ■ The system installer or... -
Page 9: Brief Interruption In Operation ≤ 3 Days
All manuals and user guides at all-guides.com Operating information Shutdown and preservation (cont.) What preservation is for Interruption in operation A depressurised boiler system is at risk from idle-time Duration Recommendation corrosion. Preservation measures prevent such corro- 3 days Maintain the positive pressure in the boil- ≤... -
Page 10: Treating The Flue Gas Side
Information on maintenance Correct maintenance ensures trouble-free, efficient and environmentally responsible system operation: Observe the specified maintenance intervals ■ Only use authorised companies: ■ Viessmann Industrial Service (for contact details – see page 32) – Other authorised contractors... -
Page 11: Preventing Excessive Flue Gas Temperatures
Prolonged boiler service life Use chemical water treatment in the boiler system. ■ Reduced repair costs Request a quotation from Viessmann (for contact details see page 32). Advantages of using chemical water treatment ■ The specified standard values and water conditions... -
Page 12: Flow Temperatures > 100 °C (Vdtüv Mb 1466)
As required Rectify incorrect operating parameters ■ Limescale deposits Recommendation Commission Viessmann Industrial Service (for contact Production details see page 32) or another contractor to carry Limescale deposits shorten the service life of the out the relevant measures. -
Page 13: Preventing Water Side Corrosion
All manuals and user guides at all-guides.com Operating information Standard values for water quality (cont.) Preventing water side corrosion General information Operate the system with positive pressure In the entire boiler system ■ Oxygen is introduced into the heating system with the ■... -
Page 14: Commissioning, Inspec-Steps - Commissioning, Inspection And Maintenance
All manuals and user guides at all-guides.com Commissioning, inspection, maintenance Steps - commissioning, inspection and maintenance Commissioning steps Inspection steps Maintenance steps Page • • • 1. Commissioning the system....................15 • • 2. Shutting down the system....................16 • 3. -
Page 15: Commissioning The System
All manuals and user guides at all-guides.com Commissioning, inspection, maintenance Commissioning the system Information on burners and accessories 14. Start the system in the following order: ■ Mains isolator ■ Switches for all the equipment required for oper- 01. Check that the fuel being used is permissible for ating the boiler system the current system configuration. -
Page 16: Shutting Down The System
All manuals and user guides at all-guides.com Commissioning, inspection, maintenance Commissioning the system (cont.) Tightening torques M Cover Dimensions Handhole 100 x 150 mm M16 100 Nm Headhole 220 x 320 mm M20 200 Nm Manhole 320 x 420 mm M24 350 Nm Tab. -
Page 17: Type M148: Moving The Hinge Brackets To The Other Side Of The Boiler Door
All manuals and user guides at all-guides.com Commissioning, inspection, maintenance Type M148: Moving the hinge brackets to the other side of the boiler door Danger Risk of injury through falling boiler door. The hinge brackets may only be moved to the other side of the boiler door if the burner has been removed and the boiler door is closed. - Page 18 All manuals and user guides at all-guides.com Commissioning, inspection, maintenance Type M148: Moving the hinge brackets to the… (cont.) 04. Insert eye screw behind joint piece. 05. Screw on the nut and push on the washer. 06. Push eye screw through hole. 07.
- Page 19 All manuals and user guides at all-guides.com Commissioning, inspection, maintenance Type M148: Moving the hinge brackets to the… (cont.) 13. Remove nuts and washers. 14. Remove eye screw. Fig. 8 15. Insert eye screw. 16. Insert bolt. 17. Mount washer, screw on nut and tighten until the boiler door gasket is tightly sealed.
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Page 20: Opening The Boiler Door(S)
All manuals and user guides at all-guides.com Commissioning, inspection, maintenance Type M148: Moving the hinge brackets to the… (cont.) 20. Check that the boiler door is tightly sealed all the way round and adjust if required. All specified dimensions are test dimensions. Danger Leaks can result in poisoning through escaping gas. -
Page 21: Removing The Closures Of The Inspection Ports
All manuals and user guides at all-guides.com Commissioning, inspection, maintenance Removing the closures of the inspection ports Undo the fittings. Remove the closures of inspection ports Fig. 13 Removing and cleaning the turbulators (if installed) 1. Without using force, remove turbulators with turbulator extractor 2. -
Page 22: Checking The Thermal Insulation Components And Gaskets
All manuals and user guides at all-guides.com Commissioning, inspection, maintenance Cleaning the sight glass (cont.) Danger Hot surfaces can cause burns. Only open the slider in the sight glass for brief inspection of the flame. Observe occupational safety. Wear protective clothing where necessary. -
Page 23: Inserting Turbulators (If Installed) And Closing The Boiler Door(S)
All manuals and user guides at all-guides.com Commissioning, inspection, maintenance Checking the thermal insulation components and… (cont.) Fig. 20 M64B, M82A, M84B Detail does not apply to the boilers described M62C Check thermal insulation components and gaskets . Replace if necessary. Inserting turbulators (if installed) and closing the boiler door(s) 1. -
Page 24: Closing And Securing The Inspection Ports
All manuals and user guides at all-guides.com Commissioning, inspection, maintenance Closing and securing the inspection ports Fit in reverse order to the description on page 21 (tor- que 20 Nm) Fig. 22 Mounting the burner (if required) Danger Risk of explosion from escaping gas. Check all gas connections for tightness. -
Page 25: Checking The Water Level And System Pressure
All manuals and user guides at all-guides.com Commissioning, inspection, maintenance Checking the connections and inspection ports… (cont.) Fig. 24 Caution - hot surface Headhole Inspection ports Manhole Handhole Note If optional thermal insulation has been fitted, this must first be removed. Checking the water level and system pressure Checking the safety and control equipment Manufacturer's documentation for safety and... -
Page 26: Adjusting The Burner
All manuals and user guides at all-guides.com Commissioning, inspection, maintenance Adjusting the burner The combustion heating output of the burner must not Burner operating and service instructions exceed the permissible combustion heating output of the boiler. Adjust the maximum gas or oil throughput of the burner to the rated boiler heating output. - Page 27 All manuals and user guides at all-guides.com Commissioning, inspection, maintenance Adjusting the burner (cont.) Boiler size Max. pressure drop on the flue gas side at 110 °C For natural gas mbar 12.4 14.8 13.8 14.4 16.1 17.6 18.1 ■ For EL fuel oil mbar ■...
- Page 28 All manuals and user guides at all-guides.com Operating conditions Operating conditions Vitomax M148 M62C M64B M82A M84B LW with Vitotrans 100-LW/ 200-LW Requirements/notes Heating water flow rate No minimum heating water flow rate required Boiler return temperature (minimum value) Gas operation: 65 °C 55 °C ■...
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Page 29: Wearing Parts Wearing Parts And Gaskets
All manuals and user guides at all-guides.com Wearing parts Wearing parts and gaskets Fig. 25 Illustration applies to M148 Order form for type M148 Serial number: Boiler size Pos. Component Number Packing per boiler door Packing per boiler door Upper insulation blocks Lower insulation blocks Glass fibre-reinforced fabric tape... - Page 30 All manuals and user guides at all-guides.com Wearing parts Wearing parts and gaskets (cont.) Fig. 26 Illustration applies to M62C, M64B, M82A, M84B M64B, M82A, M84B Detail does not apply to the boilers described M62C Order form for type M62 Serial number: Boiler size Pos.
- Page 31 All manuals and user guides at all-guides.com Wearing parts Wearing parts and gaskets (cont.) Order form for type M64 Serial number: Boiler size Pos. Component Quantity Burner connection packing Insulation ring Handhole gasket 100 x 150 mm Sight glass seal ring Headhole gasket Not available for LW boil- 325 x 425 mm...
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Page 32: Viessmann Industrial Service Contact Details
Enter the serial no., type and amount required. Obtain commercially available parts from your local trade supplier. Note A suitable amount of installation adhesive for the packings is provided. Viessmann Industrial Service contact details 24/7 service hotline: +49 180 384 3776 Email: industrialservice@viessmann.com... -
Page 33: Commissioning/Service Reports For Commissioning, Inspection And Maintenance
All manuals and user guides at all-guides.com Commissioning/service reports Reports for commissioning, inspection and maintenance Note The reports can be used as templates. Commissioning Maintenance/service Maintenance/service Date: Commissioning Maintenance/service Maintenance/service Date: Commissioning Maintenance/service Maintenance/service Date: Commissioning Maintenance/service Maintenance/service Date: Commissioning Maintenance/service Maintenance/service Date:... -
Page 34: Keyword Index
All manuals and user guides at all-guides.com Keyword index Keyword index Alkalisation..............12 Mixed condensation........... 12 Ammonia..............10 Multi boiler system............8 Multi boiler systems............ 11 Boiler door hinge brackets, changing sides....17 Boiler water............ 12, 13, 25 Nitrogen..............10 Burner............16, 24, 26 Operating conditions............ - Page 35 All manuals and user guides at all-guides.com...
- Page 36 All manuals and user guides at all-guides.com Represented by Manufacturer Viessmann Ltd Viessmann Industriekessel Mittenwalde GmbH Hortonwood 30 Berliner Chaussee 3 TF1 7YP Telford D-15479 Mittenwalde Telephone: +441952 675000 Telephone: +49 33764 83-0 Telefax: +441952 675040 Telefax: +49 33764 83-202 www.viessmann.co.uk...