Cleaning The Boiler - Viessmann Vitoflex 300-RF Service And Maintenance Instructions

Vitoflex 300-RF Service & Maintenance
Servicing the Boiler
Component, activity
Heat exchanger B
Check system pressure at pressure gauge (minimum pressure, water shortage).
Check thermally activated safety valve for tightness.
Ignition system F
Check ignition pipe for blockages and clean if necessary.
Pneumatic cleaning system (optional)
Check valves for tightness.
Compressor system (optional)
Service the compressor system in accordance with the compressor operating
instructions.
Observe information on compressor.
Flue gas path (optional)
Check chimney draught regulator for ease of operation.

Cleaning the Boiler

(continued)
Interval
300
hours
(Interval in accordance with the
compressor operating instructions)
Information on the compressor
If the compressor is operating continuously, this indicates
that there is a leak in the compressed air system.
Check supply lines and valves for leaks.
In the case of on-site supply of compressed air, ensure
that the compressor is suitable for continuous operation
or can be prevented from operating continuously.
Information on cleaning the boiler
IMPORTANT
Dirt and deposits can damage the boiler. Clean the outside
of the heating system as required. Have the inside of the
heating system cleaned at least once a year by contractors.
Note: Cleaning work may also be carried out by a local
chimney sweep.
Prior to cleaning
Switch off the system via the button.
Then start the cleaning function via the
The function can be found in the "Charging" parameters/
under the "Ash removal" tab, see operating instructions.
Cleaning function enabled:
Flue gas fan operates at 50%.
Infeed grate is moving.
Maintenance
900 Every 6 Annually
hours months
O
O
O
O
O
button.
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