Viessmann Vitotronic 300 KW3 Instructions d'exploitation télécharger pdf (Page 30)

Service Instructions

Servicing is required under current heating system regulations and standards.

Regular servicing of the heating system will ensure troublefree, energy-saving and

environmentally friendly heating. We strongly advise you to arrange a serv ice

contract with your heating contractor.

Boiler

All boilers have to be cleaned at certain

intervals as the flue gas temperature and

therefore the energy loss rise as the

level of contamination increases .

Werecommendtheuseofafluegas

thermometer.

The flue gas thermometer, which is

available a s an accessory, can be us ed

to monitor the flue gas temperature.

This will show whether the burner

setting is incorrect and will provide an

indication of the degree of

contamination of the boiler.

The efficiency of the system will be

impaired if the flue gas temperature is

excessively high due to contamination of

the boiler or incorrect adjustment of the

burner. In this case it may be necessary

to clean the boiler or readjust the burner.

A built-in operating hours counter

measures the operating times of the

burner.

The longer the operating times, the

lower the stand-by losses.

Notes on operation:

 Keep the boiler room and the boiler

clean.

 Regularly check the pressure of the

heatingsystemonthepressure

gage.

Domestic hot water tank

The domestic hot water tank must be

serviced or cleaned two y ears after

start-up at the latest and at regular

intervals thereafter.

Cleaning of the inside surfaces of the

domestic hot water tank including the

domestic hot water connections may

only be undertaken by a licensed

heating contractor.

Vitocell 100:

We recommend that a functional

inspection be carried out annually by

the heating contractor to check the

sacrificial anode. This can be done

without interrupting the operation of the

syst em. The heating contractor

measures the protective current with an

anode testing instrument.

If the cold water supply to the hot

water tank incorporates a water

treatment device (e.g. a sluice or

inoculation unit), the filling must be

renewed promptly.

Thesameappliesifadirttraporafilter

is installed in the cold water supply.

These must be flushed out and serviced

regularly.

Safety relief v alve (DHW tank)

The valve test lever must be operated

at least once a year by the owner. A

licensed heating contractor shall

reinspect the safety relief valve at least

once every 3 years.

There is a risk of dirt collecting at the

valve seat (see valve manufacturer’s

instructions).

Drinking water filter (if installed)

For hygienic reasons

 replace the filter element every

6 months on filters which cannot

be flushed back (also make a visual

inspection every 2 months),

 flush back rev e rsible supply filters

every 2 months.

Please refer to the manufacturer’s

instructions.

5303 272 v1.3

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Viessmann Vitotronic 300 KW3 Instructions d'exploitation Page 30

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