Vaillant VIHSGB2S Instructions d'exploitation télécharger pdf (Page 21)

Operating instructions ecoTEC plus 0020124810_FT1b

the extent that is necessary for use. Any further heating

results in unnecessary power consumption and hot

water temperatures of more than 60 °C also lead to

increased lime scale reduction.

Switching on comfort mode (only VUW):

Comfort mode immediately supplies you with hot water

at the required temperature, without you having to wait

for the water to heat up. For this, the hot water heat

exchanger is kept at a preselected temperature level. To

prevent energy loss, set the temperature selector not

higher than the required temperature. If you do not need

hot water for a long period, it is recommended to turn

off comfort mode to save energy further.

Energy-conscious use of water

Energy-conscious use of water can also reduce costs

considerably, e.g. taking showers instead of baths:

whereas about 150 litres of water are required for a

bath, a modern shower equipped with water saving

fittings only requires a third of this water quantity. By

the way: a dripping water tap wastes up to 2,000 litres

of water and a leaking toilet flush up to 4,000 litres of

water each year. On the other hand, a new seal only

costs a few cents.

Run circulation pumps only if needed

Circulation pumps facilitate the continuous circulation of

hot water through the piping system which means that

hot water is immediately available, also at more distant

draw-off points. These pumps undoubtedly enhance the

convenience of the hot water production process. But

they also need power. And circulating hot water that is

not used cools off when passing through pipes and then

needs to be reheated. Therefore, circulation pumps are

to be operated only when hot water is actually needed

for the household. Individual timer programmes can be

defined using switching clocks, which are already

installed or can be retrofitted in most circulation pumps.

Weather compensators often have ancillary functions for

controlling circulation pump timings. Consult your

heating engineer. Another option is to turn on the

circulation only for concrete needs for a specific period

of time by using a button or switch installed near a

frequently used draw-off point. A corresponding button

can be connected to the Vaillant ecoTEC plus boiler

electronics.

Energy saving tips 5

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Vaillant VIHSGB2S Instructions d'exploitation Page 21

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