55
VTS reserves the right to implement changes without prior notice
Ventus Air Handling Units
5. Adjust the pulley (fig. 27).
6. Tighten up the screws firmly in turn in order to clamp the sleeve with pulley onto the shaft's pin.
1.
Pulley
2.
„Taper-Lock” sleeve
3.
Hexagon-socket screws
Fig.28. Pulley and „Taper-Lock” sleeve
Fig. 29 Pulley with sleeves with numbers from
1008 up to 3030
Fig. 30 Pulley with sleeves with numbers from
3535 up to 5050
7.6 Test measurements
Once the inspections and maintenance procedures are over, check and adjust operation parameters
according to the guidelines stated in point 6
Please report the maintenance and measurement activity in the inspections and maintenance table.
8. SAFETY INSTRUCTIONS
1. Connection and start-up of the AHU should be carried out by qualified personnel in accordance
with recommended and designed regulations and guidelines regarding operation of electric
devices.
2. In no circumstances you are allowed to connect the device to power supply before connecting the
protection system.
3. In no circumstances you are allowed to carry out repairs or maintenance works if the device is
connected to power supply.
4. Operation of the AHU with removed inspection panel is strictly forbidden.
5. Personnel operating, repairing or providing maintenance services on the AHU must be qualified
and authorized to carry out these activities in line with regulations being in charge in a country
where the AHU is assembled.
6. AHU assembly location must be equipped with necessary safety and fire protection equipment in
line with local regulations.
