Check Neutralization Unit; Clean Combustion Chamber/Heat Exchanger Surfaces, And Mount Burner - Viessmann Vitodens 200 Start-Up/Service Instructions

Start-up and Service

Check Neutralization Unit

Clean Combustion Chamber/Heat Exchanger Surfaces, and Mount Burner

WARNING
Follow cleaning agent manufacturer's safety instructions
and wear appropriate protective equipment.
18
(if applicable)
1. Check the pH value of the condensate with pH
measuring strip. If the pH value is less than 6.5,
replace granulate.
IMPORTANT
pH measuring strip must be field supplied.
2. If contaminated: Rinse neutralization unit with tap water.
3. Add granulate as marked.
IMPORTANT
The granulate is consumed as it neutralizes the condensate.
The red marking indicates the min. filling level.
1. Remove burner cover panel (if still installed) as per
the removal and reinstallation instructions on page 6
in this manual, and reinstall panel upon completion of
service work.
2. If necessary, clean the combustion chamber A and
heat exchanger surfaces B with a brush and/or rinse
with water.
Use solvent-free cleaning agents to remove residues:
3. Mount burner and tighten diagonally to a torque of
2.8 lb.ft. / 4 Nm (four flange locknuts).
Note: Be careful not to scratch parts which are in
4. Fasten threaded connection for the gas connection
hose with a new gasket or O-ring.
IMPORTANT
Perform leak test.
5. Connect electrical cables to corresponding parts.
Installation Instructions Neutralization Unit.
Remove deposits of soot with alkaline agents
containing tenside.
Remove coatings and (yellowish brown) surface
discoloration with phosphoric acid-based "Antox
75 E Plus", or citric acid-based CitriSurft 3050
by Stellar Solutions Inc.
Rinse thoroughly with water.
contact with flue gas. Use plastic brushes, not
wire brushes!
Follow Material Safety Data Sheet (MSDS) of
the cleaning agent manufacturer.
The cleaning agents must not contain
hydrocarbon-based solvents or potassium.
Vitodens 200 WB2 Service