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Viessmann Vitodens 050-W Installation Instructions Manual
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Viessmann Vitodens 050-W Installation Instructions Manual

Converting the gas type from natural gas to lpg
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Installation instructions
for contractors
Converting the gas type from natural gas to LPG
for Vitodens 050-W
Safety instructions
Please follow these safety instructions closely to prevent accidents
and material losses.
Safety instructions explained
Danger
This symbol warns against the
risk of injury.
!
Please note
This symbol warns against the
risk of material losses and envi-
ronmental pollution.
Note
Details identified by the word "Note"
contain additional information.
Installation, initial start-up, inspection,
maintenance and repairs must only be
carried out by a competent person
(heating engineer/installation contrac-
tor).
Opening the Vitodens
Installation and service instruc-
tions
Replacing the gas train
5685058 GB
8/2017
VIESMANN
Before working on the equipment/heat-
ing system, isolate the power supply
(e.g. by removing a separate mains
fuse or by means of a mains isolator)
and safeguard against unauthorised
reconnection.
When using gas as fuel, also close the
main gas shut-off valve and safeguard
against unauthorised reopening.
Repairing components which fulfil a
safety function can compromise the
safe operation of your heating system.
For replacements, use only original
spare parts supplied or approved by
Viessmann.
Dispose after installation.

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Summary of Contents for Viessmann Vitodens 050-W

  • Page 1 VIESMANN Installation instructions for contractors Converting the gas type from natural gas to LPG for Vitodens 050-W Safety instructions Please follow these safety instructions closely to prevent accidents and material losses. Safety instructions explained Danger This symbol warns against the Before working on the equipment/heat- risk of injury.
  • Page 2 Converting the gas type to LPG P (G31) Note The Vitodens may be equipped with different gas train versions. ■ Pressure die cast casing A ■ Bolted casing B 1. Pull cable from gas train. 4. For boilers equipped with gas train A, insert new gasket D with cor- 2.

  • Page 3: Changing The Gas Type At The Control Unit

    Converting the gas type to LPG P (G31) (cont.) 5. Mount gas train with new gas gas- 7. Check all gas connections for tight- ness. ket G. Torque for fixing screws C: 6 Nm Danger Torque for union nut B: 30 Nm Escaping gas leads to a risk of explosion.

  • Page 4: Checking The Co Content

    Checking the CO content 1. Connect a flue gas analyser at flue gas port A on the boiler flue con- nection. 2. Start the boiler. 3. To check the CO content the burner output can be adjusted man- ually. Set the burner output at the boiler control unit: 1.
  • Page 5 Checking the CO content (cont.) 4. Set the higher heating output (100 %) and check the CO con- tent. The CO content must be within the following range for the respective gas type. See table. Gas type content in % E (G20) 7.5 –...

  • Page 6: Starting The Boiler

    Starting the boiler 1. Shut down the boiler, remove the 3. Mount the front panel and start the flue gas analyser and close flue boiler. gas test port A. 2. Select the appropriate label from the "Gas type" labels supplied and affix it next to the type plate on the top of the boiler.
  • Page 8 Viessmann Werke GmbH & Co. KG Viessmann Limited D-35107 Allendorf Hortonwood 30, Telford Telephone: +49 6452 70-0 Shropshire, TF1 7YP, GB Fax: +49 6452 70-2780 Telephone: +44 1952 675000 www.viessmann.com Fax: +44 1952 675040 E-mail: info-uk@viessmann.com...