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STEEkW ed 01/06 EOLO Extra kW
Technical Documentation
Technical Documentation
EOLO Extra kW
Wall-hung room sealed fan assisted boiler for
outdoors.
EOLO Extra 24 kW
EOLO Extra 28 kW
EOLO Extra 32 kW
EOLO Extra kW is a wall-hung room-sealed fan-assisted
boiler (type C) for central heating and producing domestic
hot water.
e boilers of the EOLO Extra kW series are type-approved
for installing outside the building in the open, using a top
cover kit (optional).
e boiler is available with an output power of 24 kW (20,640
kcal/h), 28 kW (24,080 kcal/h) and 32 kW (27,520 kcal/h).
One of the standard features on the boiler is an antifreeze
system that protects against temperatures as low as -15°C (but
the connecting pipes have to be lagged).
e boiler is easily controlled remotely controlled by a
Remote Control (see the CAR technical data sheet) which works
together with a microprocessor controlled p.c.b. with continuo-
us 2-sensor flame modulation (d.h.w. and central heating).
e knobs on the control panel are for setting boiler ope-
rating parameters. is panel visually displays status and the
functioning mode with the LEDs on it. Malfunctions can also
be seen on the Remote Control display.
e hydraulic circuit is equipped with a water-gas exchan-
ger in copper that uses a new 3-way electric valve group
and a new pump group made in a composite material on
which the circulator and the devices to control the hydraulic
circuit are housed (the system’s absolute pressure switch, a 3-bar
safety valve, an automatic system by-pass, etc.).
General features.
e supply of combustion air to inside the sealed chamber and
the expulsion of fumes are ensured by a fan whose correct ope-
ration is controlled by a differential fumes pressure switch.
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