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4.2 Functional description
The "Unibox E BV" is an installation set working
without auxiliary energy for individual room
temperature control in surface heating systems
with flow temperatures suitable for surface
heating systems.
The heating water flow is divided into two par-
tial flows, a thermostatically controlled flow
and a bypass flow. A basic heat load, i.e. a min-
imum surface temperature can be set with the
help of the bypass flow. A complete cooling
down of the heating surface is avoided if the
thermostatically controlled partial flow is closed
due to the influence of other heat sources, e.g.
sunlight, electrical appliances. The thermostat-
ically controlled partial flow thus corresponds
to the maximum possible heat proportion sup-
plied by other heat sources. A permanent basic
heat load which does not only support the self
regulating effect but also minimises the inertia
of the surface heating when the temperature
changes, is guaranteed. Hydronic balancing,
i.e. setting of the total heating water flow rate
which is required to cover the heat load of the
room, is carried out at the regulating insert.
4.3 Application
The "Unibox E BV" can be installed as "room
by room" regulating device for surface heating
systems in any building. The "Unibox" in in-
stalled in the supply pipe of any room and al-
lows a local setting which is at the same point
where measurements are carried out, therefore
it requires no auxiliary energy. This kind of ther-
mostatic control is especially advantageous if it
is
used
in
systems
distributor/collector cannot be installed be-
cause of required space and in hallways in
which an uncontrolled heat output of the supply
pipes of the distributor/collector towards the
room cannot be accepted. Moreover, it is in-
stalled where a proven, mechanical control
without auxiliary energy, maintenance, electro-
magnetic and radio radiation is desired.
5. Installation and assembly
5.1 Extent of supply
Upon receipt, please check delivery for possible
damages caused during transport. Carry out
visual check of the protection caps for damages.
Please check inside of the valve for impurities.
where
a
central
Installation and operating instructions
Any damage must be reported immediately up-
on receipt.
Only remove protection caps and other transport
protections immediately before installation.
5.2 Installation of the "Unibox E BV"
item no. 1022662
The lower edge of the "Unibox E BV" should be
at least 20 cm above the finished floor, the front
edge should be on a level with the finished wall.
The thickness of plaster and tiles has to be taken
into consideration.
Valve with insert, bypass and
integrated regulating insert
Illustr. 5.1 Installation of the „Unibox E BV" in
the wall
Illustr. 5.2 No direct sunlight
"Unibox E BV"
Brickwork
Wall box unit
Thermostat
Bypass setting
Plaster
Pipe conduit unit
Edge isolating strip
Protection pipe
Screed
Supply pipe
two pipe
distribution
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