7(&+1,&$/63(&,),&$7,216
:$7(5)/2:5$7()25($&+.:02'8/(
Each 50 kW module is equipped with a 3-speed cir-
culating pump.
Due to the boiler’s design, the water flow rate in
each module is constant regardless of the flow rate
in the network.
To reach maximum power, WKH FLUFXODWLQJSXPS
PXVWEHVHWRQVSHHG so as to ensure a 2.5 m
3
/
h flow rate, this makes it possible to optimize the
operation of each module to the maximum.
1(7:25.)/2:5$7(
Due to the boiler’s design, the installation’s water
flow rate is not limited. For maximum power opera-
tion, the installation’s optimum flow rate must be cal-
culated so as to take into account a 15 to 20 °C
temperature drop between the flow and the return.
The flow rate will have to be ≥ 5 m
3
/h.
Thanks to the integrated low pressure loss recircu-
lation loop, the dimensioning of the installation’s
pump can be carried out without taking into account
the boiler’s pressure loss.
()),&,(1&<2)$02'8/(¶6+($7(;&+$1*(5&21'(16(5
An oversized heat exchanger-condenser (item
no. 18) equipped with a water cooled combustion
chamber in its upper section (item no. 37) groups
the heat exchanger and condenser functions.
Condensation takes place on the tube walls (item
no. 38) where the temperature is lower than the
combustion products’ dew point phenomenon tem-
perature.
7+(50$/()),&,(1&<
Installation- empératurereturn t
PCI efficiency
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0D[LPXPUDWH
)LJ
18
37
38
$=:
$=:
7
+
5
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