High ef
fi
ciency heat recovery unit with cooling circuit -
RHE
-
23
Selection, installation, use and maintenance manual
GB
Handling
CAUTION!
During the handling phase, wear
proper individual protection devices
(IPD).
Before installation and use you are
recommended to fully unpack the base
unit and the all the components that
come with it.
The units are supplied packed with
polythene film and, as a standard, on
wooden pallets.
For transport reasons, some accessories
travel separately from the standard
unit and are to be reassembled by the
installer following the instructions in
this manual.
Transport
Refer to the weight indications on the
plate on each unit in order to transport
the unit safely.
In any case, the following precautions
must be taken when transporting the
unit:
•The unit and its accessories, if any,
must not be subject to intense knocks
which could compromise the integrity
of the structure and internal parts;
•The unit and possible accessories
must be suitably secured to the platform
of the transportation by means of
cables or similar in order to prevent its
movement;
•the unit and accessories must be
protected in order to prevent protruding
parts such as the coil connections,
c o n d e n s a t e d r a i n , e l e c t r i c a l
components, etc., from being knocked
during transport;
•the items must be protected against
bad weather during transport.
C h e c k s a t m a t e r i a l
receipt
When the unit is received it is necessary
to carry out an initial inspection to
make sure that:
•all parts are present ;
•the unit and accessories are not
damaged.
If there are signs of damage it is
necessary to specify it on the carriage
note.
General safety
requirements
WARNING
!
The RHE series units are destined for
civil and tertiary use: for all other
applications (in highly corrosive
environments, in potentially explosive
atmospheres etc. ) its use is not
permitted.
• Bevor installation make sure that
the unit has not been damaged during
transportation : The use of the damaged
machine might be dangerous;
• I n s t a l l a t i o n a n d e x t r a o r d i n a r y
maintenance must be performed by
qualified people in accordance with the
present standards;
•The unit must not be used to recover
equipment, spare parts. Any use other
than those indicated in this manual
may generate hazards and is therefore
prohibited;
•Before performing maintenance or
cleaning operations, make sure that the
unit is disconnected and ensure that it is
not reconnected without informing the
person who is working on the unit;
•During maintenance and cleaning,
pay attention to possible burning of the
heating coils;
•Before starting the unit make sure that
the electrical parts have been connected
to the earth system of the building;
•Before starting the unit make sure
that the fan vents have been ducted or
include safety meshes;
•The unit is not designed for external
installation: external installations require
particular technical characteristics
and devices which these units cannot
guarantee;
•During installation, maintenance
and cleaning, wear suitable Individual
Protection Devices (IPD).
The units are fitted with:
•an adhesive label (fig. 07a) which
indicates the model, the gross weight
and the customer
•an adhesive label (fig. 07b) which
indicates the main technical data such
as the model, nominal air volume,
efficiency of the heat recovery unit,
electrical data and performance of the
coils.
•Each RHE unit is identified by means
of a serial number on the plate
N.B.:
The serial number must be indicated for
future reference when contacting
FAST
S.p.A.
Th e n e c e s s a r y c o n t r o l s a r e t h e
following:
•integrity of the finned coil manifolds
and condensate trays;
•water connections (that these are
protected with the rubber plugs). If they
are not provide suitable closure devices;
•integrity of the panels;
•integrity of the electrical panel and
electrical/electronic parts.
Installation
It is recommended to carefully follow
the indications in the sections below
when installing the equipment. The
sections are in chronological order
in order to make each phase of the
installation easier.
The necessary technical space must be
verified before installation (fig.08):
•for the arrangement of the supply and
exhaust ducts as well as those for the
free-cooling;
•for the dampers with free-cooling
function;
•for the passage of the power supply
cables.
•if the unit and/or the relative accessory
modules are positioned outside, the
protective roof must be installed;
fig.07 b
RHE
RHE
RHE
RHE
R410A
fig.07 a
Installation and use of the unit
