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Vitodens 100-W, B1HA series & B1KA Combi Installation/Service
Start-up, Inspection and Maintenance
Check Neutralization Unit (if applicable)
IMPORTANT
IMPORTANT
1. Check the pH value of the condensate with a pH
measuring strip. If the pH value is less than 6.5,
replace
granulate.
2. If contaminated: Rinse neutralization unit with tap water.
3. Add granulate as marked on the cartridge.
pH measuring strip is field supplied.
The granulate is consumed as it neutralizes the condensate.
The red marking indicates the min. filling level.
Installation Instructions Neutralization Unit
IMPORTANT
WARNING
Follow cleaning agent manufacturer’s safety
instructions and wear appropriate protective equipment.
1. Remove burner cover panel as per the removal
instructions on page 38 in this manual, and reinstall
panel upon completion of service work.
2. If necessary, clean the combustion chamber
A
and
heat exchanger surfaces
B
by vacuuming loose
debris, then spray brush and rinse with water.
Use solvent-free cleaning agents to remove residues:
- Remove combustion by-product deposits with
alkaline agents containing tenside.
- Remove coatings and (yellowish brown) surface
discoloration with phosphoric acid-based
“Antox 75 E Plus”, or citric acid-based CitriSurf
3050 or CitriSurf 77 by Stellar Solutions Inc.
- Rinse thoroughly with water.
3. Connect electrical cables to corresponding parts.
Note:
Be careful not to scratch parts which are in
contact
with flue gas. Use plastic brushes, not
wire brushes! The cleaning agents must not
contain hydrocarbon-based solvents or potassium.
Perform leak test.
Clean Combustion Chamber/Heat Exchanger Surfaces
