ENGLISH
• Maximum operating temperature: 45°C.
• Specifications for the power supply must correspond to
the electrical data on ID plate A (Fig. 1).
• The electrical system to which the appliance is
connected must conform to applicable
standards.
•
The appliance must be installed by a
professionally qualified electrician.
•
A multi-pole switch must be used to install the
appliance. The contact opening gap must be
no less than 3 mm.
Frame and equipment supplied
The main parts of the appliance are:
• an outer casing of plastic fashioned in two halves, with
metal fastening plates;
• a polystyrene counterflow type heat exchanger,
featuring a special geometry designed to guarantee
the highest possible efficiency in terms of heat
exchange (up to 90%);
• two energy-saving variable-speed brushless motors (3
preset speeds);
• an electronic controller supervising the power input,
regulation and control of the appliance;
• a thermal actuator which controls opening the bypass
valve (TWO F model);
• remote control panel (“HRI-E TWO F” model):
• 4 temperature sensors;
• 2 x F5 filter
• 1 MODBUS cable
Key to air connections
(fig.2)
A:
Clean air outlet inside the room
B:
Stale air intake from room
C:
Fresh air intake from outside
D:
Stale air outlet to outside
Installation
The appliance must be installed in accordance with
current safety regulations in the destination country, and
with the instructions in this booklet.
The appliance must be fitted to an interior surface or wall
of the dwelling that is structurally sound enough to take
its weight (35 kg max).
Ensure that connections to the appliance are optimized
and simplified by strategic positioning of the electrical
interface, from which the wires emerge (fig.3).
2
2
B
A
C
D
3
3
1
1
A
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