Related Manuals for Viessmann Vitomax HW Series
Summary of Contents for Viessmann Vitomax HW Series
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Page 1: Installation Instructions
Viesmann Installation instructions for contractors Vitomax HW Type M70 Type M72 Type M74 Type M92 Type M94 Type M96 High pressure hot water boilers VITOMAX HW 5777858 GB 1/2019... -
Page 2: Safety Instructions
Work on electrical equipment may only be carried ■ out by a qualified electrician. ■ The commissioning must only be carried out by trained specialist personnel in accordance with the Viessmann operating and service instructions. Regulations to be observed ■ Pressure Equipment Directive ■ National installation regulations... -
Page 3: Table Of Contents
Preparing for installation ................ Symbols ....................■ Designation of boiler types ..............■ Intended use ..................■ Storing Viessmann shell boilers ............■ Transporting a shell boiler ..............■ Installation sequence Handling and levelling the boiler ............Recommended minimum clearances .......... -
Page 4: Preparing For Installation
Preparing for installation 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 Meaning The numbers correspond to the order in... -
Page 5: Intended Use
Use the appropriate amount of desiccant for the vol- ■ ume of the boiler. General Note ■ Store Viessmann shell boilers in closed rooms, pro- Observe the desiccant manufacturer's instructions. tected from weather influences and under dry condi- ■ Check the effectiveness of the desiccant at regular tions. -
Page 6: Transporting A Shell Boiler
Preparing for installation (cont.) Transporting a shell boiler Danger Inappropriate handling of the boiler may lead to accidents. There is a risk of injury. Only use the slinging points. Observe all the applicable regulations on accident prevention. F1/2 F1/2 Fig. 1 Slinging points/tie-down options Holes for lifting gear ( 80 mm) -
Page 7: Recommended Minimum Clearances
Handling and levelling the boiler Recommended minimum clearances 1000 ≥ Subject to the selected control panel ≥ ≥ ≥ ≥ Tab. 1 Recommendation for dimension f Leave one boiler length (x1) of space in front of the y1/2 boiler door to extract the turbulators (if fitted) and for cleaning. -
Page 8: Boiler Connections
Handling and levelling the boiler (cont.) M94B Boiler size 6430 6680 6995 7545 8035 8525 8970 9410 9710 2850 2925 3025 3175 3300 3450 3525 3625 3675 Tab. 6 M96A Boiler size 4820 5120 5490 5850 6550 7050 7620 8020 8480 2580 2675... - Page 9 Boiler connections (cont.) M72B Boiler size Boiler flow and return Temperature spread For permiss. operating pressure 6 and 10 bar 40 K PN16 DN 100 100 100 125 125 125 150 150 150 200 200 30 K PN16 DN 125 125 125 125 150 150 150 200 200 200 200 20 K PN16 DN 150 150 150 150 200 200 200 200 250 250 250 For permiss.
- Page 10 Boiler connections (cont.) M92A Boiler size Boiler flow and return For permiss. operating pres- PN16 DN sure 6, 10 bar 16 bar PN25 DN — — 16 bar PN40 DN — — — — — Safety valve For permiss. operating pres- 6 bar PN40 DN sure...
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Page 11: Installing The Pipework
Boiler connections (cont.) Boiler size 13 bar PN 40 DN 16 bar PN 40 DN 18 bar PN 40 DN 20 bar PN 40 DN Tab. 11 Installing the pipework Danger Please note Risk of injury when opening pressurised boiler Unsuitable water quality can damage the boiler flue connections. -
Page 12: Fitting The Measuring And Control Equipment
Installing the pipework (cont.) Note Observe designation for boiler flow and boiler return connectors on the boiler. Note Install all pipe connections free of load and torque stress. 1. Thoroughly flush the system (especially when con- 2. Connect all pipework. necting the boiler to an existing system). -
Page 13: Installing The Burner
Connections on the flue gas side (cont.) External diameter, flue pipe Boiler size M70A – M72B M74B 1110 1110 – M92A – 1110 1110 M94B – 1110 M96A – Note on condensate drain ■ Condensate will form in the flue system. Return of this condensate must be prevented on site. -
Page 14: Adjusting The Burner
Installing the burner (cont.) 1. For burner connection, secure burner plate the boiler flange with screws. 2. Secure the burner to the burner plate with screws. Note For differing dimensions, trim the cut-out in the thermal insulation according to the flame head diameter. - Page 15 Adjusting the burner (cont.) M70A Boiler size Rated heating output 0.35 0.48 0.65 0.85 1.10 1.30 1.60 2.10 2.60 Permissible combustion heating output 0.40 0.54 0.73 0.96 1.24 1.47 1.81 2.37 2.94 Flame tube dimensions Diameter Smooth pipe, min. in- ■...
- Page 16 Adjusting the burner (cont.) Boiler size 10 bar 968 1064 1064 1135 1135 16 bar – – – – – – Corruga- ■ ted pipe, internal 16 bar d1 950 1050 1050 1125 1125 – – – – – – Corruga- ■...
- Page 17 Adjusting the burner (cont.) Boiler size With natural gas for 8.73 9.83 10.94 13.04 15.25 17.40 19.60 21.33 – ■ smooth pipe With natural gas for corru- 8.73 9.83 10.94 13.04 15.25 17.40 19.61 21.82 23.20 ■ gated pipe With EL fuel oil for smooth 8.48 9.15 9.81...
- Page 18 Adjusting the burner (cont.) M92A Boiler size Rated heating output 2.10 2.50 3.00 3.50 4.20 5.00 6.00 Permissible combustion heating output 2.28 2.72 3.26 3.80 4.57 5.44 6.52 Flame tube dimensions Diameter Smooth pipe, min. internal 1031 1081 1131 1206 ■...
- Page 19 Adjusting the burner (cont.) Boiler size Flame tube dimensions Diameter Smooth ■ pipe, inter- 6 bar 1318 1366 1414 1512 1585 1656 1706 – – 10 bar 1308 1356 – – – – – – – Corrugated ■ pipe, inter- 6 bar 1775 1800...
- Page 20 Adjusting the burner (cont.) Boiler size For natural gas 4.00 4.80 5.70 6.80 9.05 11.30 13.55 15.75 18.05 ■ For EL fuel oil 4.00 4.80 5.70 6.80 9.05 11.30 13.55 14.90 15.80 ■ Flame tube dimensions Diameter Smooth pipe, min. 1031 1081 1131...
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Page 21: Commissioning And Adjustment
Adjusting the burner (cont.) Fig. 8 Illustration applies to M70A, M74B, M94B and M96A Flame tube length Reversing chamber depth Max. flame head diameter d1 Smooth pipe, min. internal diameter d1 Corrugated pipe, internal diameter d2 Corrugated pipe, average internal diameter Flame head length Fig. - Page 24 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 www.viessmann.com...