© STULZ Tecnivel – all rights reserved
EN/11.2020 Technical data subject to modifications
23
Verifications/ previous actions
Task type
Description
Comments
Steam humidifiers
Previous check
•
Electrical connections are correctly made with the appropriate supply voltage and the
earthing is made,
•
Ventilation grids are not covered,
•
Water supply has been rinsed before connecting it,
•
Water connection is correctly made,
•
Water draining is correctly installed.
•
Drained water flows free.
•
Water supply/draining are free of leaks.
See
instructions
manual
Heat recovery wheel
Previous check
•
Electrical connections (motor and controller, if applicable) are correctly made with the
appropriate supply voltage and the earthing is made,
•
Rotor is clean, without visible damage and no foreign body prevents it to work properly.
•
Belt tension is correct,
Plate heat exchanger
Previous check
It’s clean, without visible damage and no foreign body prevents the good circulation of air.
Cooling/heating coils
Previous check
•
The system has been correctly rinsed in order to remove any solid particle or contamination.
•
Coils are clean, without visible damage and no foreign body prevents the good circulation of
air,
•
Coils are properly connected to the water/refrigerant circuit,
•
Draining of condensate tray is provided with a siphon and free of particles or contamination.
Previous action
•
Rinse carefully the system to remove any solid particle or contamination,
•
Fill the coil with the indicated fluid (see technical sheets of the unit) with the right
concentration,
•
Purge carefully the coil to ensure there is no air inside, as shown on the figure below the
table (otherwise, the coil performances could be affected),
•
Fill the siphon with water.
See
instructions
manual
Filters
Previous check
•
They are clean, without visible damage and no foreign body prevents the good circulation of
air,
•
They are correctly fixed to the frame.
Integrated control
Previous check
•
Electrical connections are correctly made with the appropriate supply voltage and the
earthing is made,
Casing
Previous check
•
Panels and profiles are clean and without visible damage,
•
There are no loose objects inside the unit that could damage the components or the casing
when the fans start.
•
Roof is properly installed (units for outdoor installation).