Viessmann Vitomax LW M148 Series Operating And Service Instructions Download Page 22 | Manualshive

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22

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.

Checking the thermal insulation components and gaskets

A

Fig. 17

A

Fig. 18

Fig. 19

Applies only to type M148

A

Thermal insulation components

B

Gaskets

Commissioning, inspection, maintenance

Cleaning the sight glass

(cont.)

5673144

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Summary of Contents for Vitomax LW M148 Series

Page 1: ...Operating and service instructions for contractors Viesmann Vitomax LW Type M148 Type M62 Type M64 Type M82 Type M84 Low pressure hot water boilers VITOMAX LW 5673144 GB 1 2019 Please keep safe...

Page 2: ...of accidents Statutory regulations for environmental protection Codes of practice of the relevant trade associations Safety instructions for working on the system Commissioning Note Unpleasant odours...

Page 3: ...el valve and shut off valve Ventilate the boiler house Evacuate any people from the danger zone Notify your gas or electricity supply utility from outside the building Have the power supply to the bui...

Page 4: ...he following Settings Readings Faults Replacement of spare parts Repairs Any defects must be dealt with immediately by trained personnel e g Abnormalities on weld seams Leaks Heavy corrosion Faulty in...

Page 5: ...10 Information on maintenance 10 Preventing excessive flue gas temperatures 11 Standard values for water quality 11 Flow temperatures 100 C VDI 2035 Part 1 2 11 Flow temperatures 100 C VdT V MB 1466...

Page 6: ...dispose of component in domestic waste The steps in connection with commissioning inspec tion and maintenance are found in the Commission ing inspection and maintenance section and identified as follo...

Page 7: ...ndustrial use for a purpose other than steam generation or the heating of water shall be deemed inappropriate All other use is deemed inappropriate Any resulting losses are excluded from the manufactu...

Page 8: ...vers between heating and standby should be infrequent for example with each annual inspection of the overall system Systems with operating temperatures 110 C Category IV boiler systems compliant with...

Page 9: ...a or nitrogen A technically demanding form of preservation Consult the chemical manufacturer before use The operator must compile system specific operating instructions Treating the flue gas side Keep...

Page 10: ...e gas side Maintain the alkaline balance of the water used for cleaning at pH 8 to 9 or in the case of ammonia pH 10 2 Dry the heating surfaces on the flue gas side allow normal air flow 3 Accelerate...

Page 11: ...speci fied in VDI Guideline 2035 Part 1 Prevention of damage in water heating installations Scale forma tion in domestic hot water supply installations and water heating installations Conditions of ap...

Page 12: ...er with low salt con tent Note Only use fill and top up water with low salt content e g desalinated water permeate or condensate For systems using mixed condensation As a rule these systems automatica...

Page 13: ...l Check the pre charge pressure during the annual serv ice or sooner Pressure maintaining systems and corrosion See chapter General design information in the technical guide Operate the system with po...

Page 14: ...ng the thermal insulation components and gaskets 22 12 Inserting turbulators if installed and closing the boiler door s 23 13 Closing and securing the inspection ports 24 14 Mounting the burner if req...

Page 15: ...k and filter or open the gas shut off valve 14 Start the system in the following order Mains isolator Switches for all the equipment required for oper ating the boiler system ON OFF switch for the bur...

Page 16: ...ut down the burner 2 Close the shut off valves in the oil lines at the tank and filter or the gas shut off valve 3 Isolate the system from the power supply 4 Close all valves Removing the burner if re...

Page 17: ...side of the boiler door if the burner has been removed and the boiler door is closed 1 Fig 3 01 Remove top nut and washer 3 2 2 Fig 4 02 Remove split pin and pull out bolt 03 Remove eye screw Commissi...

Page 18: ...r and screw on nut washer and nut are supplied with the hinges 08 Insert bolt 9 Fig 6 09 Tighten nuts approx 100 Nm Secure bolt with split pin 10 Repeat steps 1 to 9 for the lower fitting 11 12 Fig 7...

Page 19: ...15 Insert eye screw 16 Insert bolt 17 Mount washer screw on nut and tighten until the boiler door gasket is tightly sealed 18 Insert split pin 19 Repeat steps 11 to 18 for the lower fitting Commission...

Page 20: ...esult in poisoning through escaping gas Check the gasket for correct seating and realign if necessary Opening the boiler door s A B Fig 12 Undo screws A and open boiler door s B Note There are version...

Page 21: ...surfaces and flue gas collector A B Fig 15 1 Clean flues A combustion chamber B and rear reversing chamber Use suitable equipment Remove combustion residues 2 Empty the flue gas collector at the back...

Page 22: ...the flame Observe occupational safety Wear protective clothing where necessary Checking the thermal insulation components and gaskets A Fig 17 A Fig 18 Fig 19 Applies only to type M148 A Thermal insu...

Page 23: ...s A and gaskets B Replace if necessary Inserting turbulators if installed and closing the boiler door s B A Fig 21 1 Fully insert turbulators A into the 3rd flue Use tur bulator extractor B 2 Close th...

Page 24: ...tubborn deposits with approved chemical solvents 3 Clean the sealing faces and thread of the inspec tion port Replace the gaskets Lubricate the thread Retighten the new gaskets after commis sioning se...

Page 25: ...mentation for safety and control equipment Checking the safety valve Manufacturer s documentation for the safety valve Checking the water quality Document the top up volume and overall hardness of the...

Page 26: ...tent in dry flue gas For natural gas 2 1 by vol For EL fuel oil 2 7 by vol Max pressure drop on the flue gas side Boiler type M148 Boiler size 1 2 3 4 5 6 7 8 9 A B Rated heating output at 110 C For n...

Page 27: ...bar 6 3 7 4 8 4 9 0 10 1 11 2 13 2 Max pressure drop on the flue gas side at 120 C For natural gas mbar 7 0 8 1 9 3 9 9 11 2 12 4 14 6 For fuel oil EL mbar 6 3 7 4 8 4 9 0 10 1 11 2 13 2 Tab 11 Boiler...

Page 28: ...None 7 Reduced mode Single boiler system Operation with minimum flow temperature Multi boiler system Lead boiler Operation with minimum flow temperature Lag boiler Lag boilers can be shut down Weekend...

Page 29: ...Glass fibre reinforced fabric tape 6 Insulation rings 7 Glass fibre reinforced fabric tape 8 Gaskets Tab 14 Ordering information Enter the serial no type and amount required Obtain commercially avail...

Page 30: ...C Pos Component Number 1 Burner connection packing 2 Insulation ring 3 Hand hole gasket 100 x 150 mm 4 Sight glass seal ring set 5 Packing per inspec tion port Not available for LW boilers 6 Packing...

Page 31: ...door packing 10 Boiler door packing Tab 16 Order form for type M82 Serial number Boiler size 5 1 2 3 4 5 6 7 Pos Component Number 1 Burner connection pack ing 2 Insulation ring 3 Hand hole gasket 100...

Page 32: ...8 Cleaning cover packing 9 Boiler door packing 10 Boiler door packing Tab 18 Ordering information Enter the serial no type and amount required Obtain commercially available parts from your local trade...

Page 33: ...nance service Maintenance service Date By Commissioning Maintenance service Maintenance service Date By Commissioning Maintenance service Maintenance service Date By Commissioning Maintenance service...

Page 34: ...at exchanger 13 Heating surfaces 21 I Inspection covers 21 24 Interruption in operation 4 9 L Limescale deposits 12 Low NOx burner 26 M Mixed condensation 12 Multi boiler system 8 Multi boiler systems...

Page 35: ...35 5673144...

Page 36: ...r Chaussee 3 D 15479 Mittenwalde Telephone 49 33764 83 0 Telefax 49 33764 83 202 www viessmann com Represented by Viessmann Ltd Hortonwood 30 TF1 7YP Telford Telephone 441952 675000 Telefax 441952 675...

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