© STULZ Tecnivel – all rights reserved
EN/11.2020 Technical data subject to modifications
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6.6
Fans
To make sure all electronics components are de-energized, after disconnecting main
power supply wait 5 minutes before opening the device.
The electronics housing of the fan motor can get hot.
The bearings of the fans are lifetime lubricated and do not need maintenance.
Vibration test procedure
(recommended every 6 months).
• Place vibration sensors on the motor support plate as indicated on the drawing here below.
1: vibration sensor towards
motor’s axis of rotation.
2: vibration sensor perpendicular
to motor’s axis of rotation.
1
2
Positionning of the vibration sensors.
• Check vibration severity is lower than 3.5 mm/s.
Cleaning of fans:
Use a soft cloth and water with a neutral soap to clean the fan (housing, impeller).
Do not use high pressure water to clean the device.
Do not use alkaline or corrosive substance to clean the device.
Do not use any pointed or sharp-edged objects for cleaning.
6.7
Unit housing
The unit’s casing (panels, profiles) can be cleaned with a microfiber cloth with lukewarm water (adding
a neutral soap solution if necessary).