8
HBI. 1011. 4138500_00
2. IDENTIFICATION OF THE PRODUCT
HBI can be identified by:
− PACKING LABEL
which shows the product identifica-
tion data
− TECHNICAL PLATE
Positioned on the right lateral side-
member of the outdoor unit and on
the left side of the indoor unit casing
WARNING
Tampering, removal, lack of the identifi-
cation plate or other does not allow the
safe identification of the product and will
make any installation or maintenance
operation to be performed difficult
.
3. PRESENTATION
The HBI air-water heat pump with
Inverter technology, is made up from
an outdoor condensing unit, indoor
evaporating unit (function inverted in
heat pump) and HBI WT/WTS storage
tank (available as accessory).
The functions are the following
− Test
− Low noise
− Emergency control
− Instant hot water
(for DHW use)
− Anti-freeze
− Antilegionella
Indoor unit supplied (hydraulic side)
with:
-technical water fi lter
-plate exchanger
-expansion vessel (10 litres)
-2 step electric resistances (3kW+3kW)
can be activated/deactivated
-air vent
-safety valve (3 bar)
-fl ow switch
-manometer
•Length of the cooling lines up to 30m,
maximum level difference between
outdoor unit and indoor unit 15m
•Outdoor unit supplied with Electric
Resistance Kit
Base to prevent the formation of ice
during heat pump functioning mode
•Indoor unit set-up for the manage-
ment of accessory (not available as an
accessory):
- 2-way valve
- 3-way valve
-Environmental thermostat
- Room Temperature Probe (supplied ),
can be installed in the wall in a rectan-
gular 3-module recess box (type 503)
•Weekly Timer
•Auto-Restart Function
•Operational limits:
-Cooling
Outdoor air temperature +10‚ 48C
-Heating
Outdoor air temperature -20‚ 35C
-Domestic Hot Water Production
Outdoor air temperature -20‚ 45C
3.1. OPERATIONAL MODE
Cooling: in this mode, the indoor unit
supplies cooled water (to the system, to
the fan coils) in a way to allow heat ex-
change, cooling the room temperature
Heating: in this mode, the indoor unit
supplies system hot water to the fan coils
in a way to allow heat exchange, heat-
ing the room temperature
Heating of DHW:
it is the specifi c mode
for the production of DHW
.
ATTENTION:
the indoor HBI unit does
not produce DHW directly, but just hot
water for heating the content of the HBI
WT/WTS storage tank.
Cooling or heating + heating of DHW:
The cooling or heating modes can
be combined with the production of
domestic hot water; naturally, if these
combined modes are used, the system
will assign a priority to the system/domes-
tic requests, on the basis of which the
system will satisfy fi rst one and then the
other.
ATTENTION: the default settings envi-
sion that the priority is assigned to the
COOLING or HEATING mode, with respect
to the production of domestic hot water.
Therefore, if the system receives two
simultaneous requests,the fi rst to be satis-
fi ed will be for cooling or heating
.
ATTENTION: refer to the user manual in
order to modify the default settings
3.2. OPERATIONAL FUNCTIONS
Every functioning mode allows to set
different specifi c functions (as well as
switch-on/off of the unit and setting the
work set-points); these functions are:
A
Unit TEST function (installer use only):
Allows to check the correct functioning
of the system components; this function is
for installer use only.
B
Low noise function;
This function regulates unit functioning in
a way to allow to lower the noise level
produced when the machine is running.
C
Emergency heating function:
If the unit has been stopped by an alarm
or malfunctioning, this function allows to
reach the hot water production set-point
(both system and for production of DHW)
only using the electric resistances present
in the system (HBI indoor unit, HBI WT/
WTS).
D
Instant hot water function (for DHW
use):
This function allows to reduce DHW
production times using the hot water
produced by the indoor HBI unit and the
electric resistance inside the HBI WT/WTS
storage tank (ATTENTION: the use of this
function increases the absorption of cur-
rent in the system)
E
Anti-freeze function:
This function allows to maintain the room
temperature parameter (room air sensor
mandatory) within a determined safety
threshold in order to prevent the room
temperature from dropping too low.
F
Anti-legionella function:
This function allows to perform the anti-
legionella cycle for the water contained
in the HBI WT/WTS storage tank; this cycle
will be performed once a week (on the
day and time set by the user).
G
TIMER functions:
The unit is supplied with a timer via which
it is possible to perform different opera-
tions linked to hourly programming; these
functions are:
• Daily timer;
• Timer with countdown;
• Weekly timer;
• Holiday timer;
H
Automatic heating function:
This function allows the unit (on the basis
of the user settings) to automatically
calculate the temperature to apply to
the room; this function bases its function-
ing on the room air temperature and it is
therefore necessary to use the room air
sensor in order to operate this function.
The table below gives the compatibility
between functioning mode and the
functions previously listed:
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