Operating Principle; Handling And Transportation - Sime ECOMAXI 90 ErP Manual De Instalación, Uso Y Mantenimiento

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Installation, use and maintenance manual
1.4

Operating principle

The appliances in this range produce domestic hot
water using heat-pump technology. A heat pump
transfers thermal energy from a source at a lower
temperature to a source at a higher temperature,
and vice versa (heat exchanger).
The appliance uses a hydraulic circuit composed
of a compressor, an evaporator, a capacitor and
a thermal expansion valve. A refrigerant fluid/gas
flows in the circuit (see section 4.6).
The compressor creates a difference in pressure
inside the circuit, which creates a thermodynamic
cycle. The compressor aspirates the refrigerant
fluid through an evaporator, where it evaporates
at low pressure absorbing heat, compresses it and
forces it towards the capacitor, where the fluid
condenses
at
high
absorbed heat. The fluid then passes through a
thermal expansion valve and, decreasing in
pressure and temperature, starts to vaporise and
enters the evaporator again, restarting the cycle.
Fan
Evaporator
Air
Electrical
heat
Ecological
heat
expansion valve
Fig. 5 – Operating principle
The appliance operating
(Fig. 1):
I-II:
the
refrigerant
compressor runs inside the evaporator and, while
evaporating,
absorbs
provided by the air.
At the same time, the air in the space is aspirated
by the appliance, thanks to the fan. As it passes on
the finned battery of the evaporator, the air
releases its heat;
II-III:
the
refrigerant
compressor and there is an increase in pressure
which raises the temperature, turning the gas into
overheated vapour;
III-IV: in the capacitor, the refrigerant gas releases
its heat in the water in the tank (boiler). This
exchange process transforms the refrigerant from
pressure,
releasing
the
Capacitor
Tank
Compressor
Hot water
Thermal
Cold water
principle is as follows
fluid
aspirated
by
the
the
ecological
heat
gas
passes
inside
the
an
overheated
vapour
condensing at a constant pressure and dropping
in temperature;
IV-I: the refrigerant liquid passes through the
thermal expansion valve, quickly dropping both in
pressure and temperature. It partially vaporises,
returning to the initial pressure and temperature
conditions. The thermodynamic cycle can now
start again.
2

HANDLING AND TRANSPORTATION

The appliance is provided in a cardboard box on a
wooden pallet.
cutters to open the cardboard packaging.
After the packaging has been removed, check
that the unit is in one piece. If in doubt, do not use
the
appliance
and
technician.
Before disposing of the packaging, in line with the
environmental protection regulations in force,
ensure that all of the accessories supplied have
been removed from the packaging.
WARNING: all packaging components
(staples, polystyrene, etc.) should not
be left within the reach of children as
they are dangerous.
While the appliance is not in use and waiting to be
commissioned, it should be positioned in a place
that is sheltered from the weather.
MANUAL CODE: 6328406
into
a
liquid
state,
For
unloading,
use
forklift or pallet jack that
supports up to 250 kg. The
packaged
appliance
must
be
kept
vertical
during
all
loading
operations.
The appliance must be
unpacked carefully so as
not
to
damage
the
casing if using knives or
contact
an
authorised
Page 34 / 124
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