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Recommended connection of boiler with accumulation tank
Heating
system
Expansion vessel
Boiler has to be operated with the nominal output. In case of the warmth taking by the output, which is
lower than the nominal, it is necessary to connect the boiler with the accumulation tank with volume of
min. 460 l (STN EN 303-5, clause 4.2.5 ).
Protection and usefull life extention of the boiler
1. ATTACK Oventrop keeps the temperature of return heating water coming to the boiler on
65
°C
. Temperature of return heating water under 60°C causes the condensation of steams,
acids and tars in the feed chamber and it is the reason of the boiler usefull life shortening.
1
3
ATTACK Oventrop consists of three-way mixing valve, pump Wilo, 2 thermometers,
thermoregulation valve, thermostatic head, by-pass, distance unit and isolation. The
adventage of this solution consists in compactness, simple attendance and guaranteed
protection of boiler heating exchanger.
ATTACK Oventrop for boilers:
ATTACK DP25,DP35, DP45
D.H.W
Tank
ACCUMULATION
TANK
2
4
, DP75
Regumat
ATTACK-
-OVENTROP
Technical parameters:
Clarity DN25
Max.pressure 10 bar
Max.temperature 120°C
Value kvs 3,9
Order code:
DPP25003
17
BOILER
ATTACK
DP
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