© STULZ Tecnivel – all rights reserved
EN/11.2020 Technical data subject to modifications
21
The Electrical connection must be made according to the instructions given in the chapter
4.3.1 Elec-
trical connection
and in the component installation manual.
In particular, in models with recirculated water, the level detector must be connected.
The drain must be connected to a siphon following the instructions in paragraph
4.3.2 Connection of
the drains.
There are more details on the installation and connection of the humidifier in the particular installation
and maintenance manual provided in a separate document.
Steam humidifier
Steam humidifiers are installed on the outside of the unit. All connections (electrical, hydraulic) are
made on the humidifier itself.
All installation and maintenance instructions are available in the particular manual of the steam
humidifier provided in a separate document.
4.3.7 Heat recovery systems
Rotary heat recovery system
Motor must be connected according to the instructions given in the chapter
4.3.1 Electrical
connection.
Wheel without controller of KR serie
Heat recovery wheel have a three phases motor 3 x 400/230 V with thermal protection at 140ºC.
By default, the motor is star connected.
Wheel with controller of KR serie
If the heat recovery wheel is connected to a controller KR serie, the motor must be Delta connected
(230V) and thermal protection contacts must be connected.
For detailed information on the installation of the rotary heat recovery systems and
controllers of the KR series, the installation and maintenance manuals for these
components are available in separate documents.
4.3.8 Water quality
In all the components using water (water batteries, humidifiers), and regardless of the type of treat-
ment or added agents that are used, the water must be perfectly clean.
Tap water can be used in the water batteries, possibly adding an antifreeze agent.
In humidifiers, tap water or treated water can be used.
For more information on the type of treatment and the quality of the water used, refer to the instruc-
tion manuals of the different components.
