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If the unit is installed in particularly windy areas, it will be necessary to provide some windbreaker barriers to avoid
any malfunction. We suggest to install the barriers only if the wind exceeds 2,5m/s.
The units, in their standard configuration, are not suitable for installation in saline environments.
In WINTER mode, the unit can be started with external air of -20°C and cold inlet water (about 20°C). Such a
configuration is allowed only for a short time and only to bring the plant to the right temperature.
To reduce this setting time, we suggest to install a 3-way valve which allows to by-pass water from the user to the
plant till the standard conditions are reached.
Units are designed and manufactured to European safety and technical standards. The units have been designed
exclusively for heating, cooling and domestic hot water production (D.H.W.). The units must be used for this specific
purpose only. The Company will not be liable for claims for damage caused to persons, animals or material goods
or property caused by improper installation, adjustment and maintenance or improper use. Any use not specified in
this manual is prohibited.
All units are supplied as standard with evaporating/condensing pressure control. This feature allows the unit to
operate in heating mode above 15°C and in cooling mode below 20°C ambient temperature. The device monitors
the evaporating/condensing pressure and maintains it at a constant level by modulating the airflow. It can also be
used to reduce noise emission when ambient temperatures are lower (eg. at night).
In case of operations outside of these values, please contact the company.
3.7 Domestic hot water production
The production of domestic hot water through heat pump is a sensitive issue that deserves proper consideration. There are several systems
of domestic hot water production by using heat pumps, each of which brings advantages and disadvantages. It is not subject of this manual
to deal with the matter in depth and in the case, please contact the company for all the appropriate solutions.
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Rev. A 11-2020
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