Ferroli HXA SERIES, Техническое руководство

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Unit description
GENERAL FEATURES
Unit identification code
This series of air-water heat pumps satisfies the heating,
cooling and domestic hot water production requirements of
residential plants of small and medium size.
All the units are suitable for outdoor installation and can be
applied to fan coil plants, radiant floor plants and high effi-
ciency radiators plants.
The control system allows to manage not only the refrigerant
circuit but the whole plant with the possibility to choose diffe-
rent solutions both for the heating and cooling plant and for the
domestic hot water management. The possibility of solar
panels or other heating sources integration is also available.
The
heating function optimizes the flow water temperature
according both to the ambient temperature and to the outdoor
temperature through climatic curves adaptable to the building
features. It’s possible to manage a storage tank and two inde-
pendent circuits (a direct one and a mixed one).
The
domestic hot water management allows to control the
three way valve, the storage tank and the anti-legionella
cycles (if necessary).
The
cooling function can be realized through “active cooling”
(refrigerant circuit inversion). When the unit is used in radiant
floor plants, to avoid condensate generation, a room humidity
sensor can be installed.
The internal
programmer clock allows to define different
daily switching programs for heating, cooling and domestic hot
water production.
The refrigerant circuit, contained in a compartment protected
from the air flow to simplify the maintenance operations, is
equipped with rotary or scroll compressor (according to the
model) mounted on damper supports, brazed plate heat
exchanger, thermostatic expansion valve, reverse cycle valve,
axial fans with safety protection grilles, finned coil made of
copper pipes and aluminium louvered fins. The circuit is pro-
tected by high and low pressure switches and differential pres-
sure switch on the plate heat exchanger.
The plate heat exchanger and all the hydraulic pipes are
ther-
mally insulated in order to avoid condensate generation and
to reduce thermal dispersions.
All three-phase power supply units are provided with a phase
presence and correct sequence controller device.
All the units are accurately built and individually tested in the
factory. Only electric and hydraulic connections are required
for installation.
The codes that identify the units and the meaning of the letters used are described below.
Power supply
1 - 230V - 1 - 50 Hz
5 - 400V - 3N - 50 Hz
Refrigerant type
0 - R410A
Unit model
N° compressors
VB - Base Version
Unit version
Unit type
IP - Units suitable for
hydronic plant installation
operating as reversible heat
pumps
HXA IP 7.1 VB AB 0 M 1
Operating range
M - Medium temperature.
The unit is suitable to pro-
duce water at medium tem-
perature
AB - Base setting up
Acoustic setting up