Safety instructions
Do not use the unit for “purposes other than those for which it was intended” under any circumstances.
Qualification of installation, cleaning and maintenance staff
→ Danger of electric shock.
- Whenever working on the unit, release the supply current circuits, secure to prevent them from switching on again and ensure the unit is de-energised.
- Attach a clearly visible warning sign.
- Ensure that there is no explosive atmosphere.
Risk of explosion if the cables are incorrectly inserted into the terminal box.
Degree of protection is not guaranteed.
- Ensure degree of protection by correctly inserting the cables into the terminal box.
- Cable screw connections must comply with standard EN 60079-1 (Ex “d”).
Explosion hazard when operating with unit not fully mounted and if air inlet or outlet is not correctly protected.
- The fan may only be operated if the unit is fully mounted and with the protective devices fitted (in accordance with EN 13857) for the air channel.
- Ensure that foreign bodies cannot be sucked into the unit and ducts.
Explosion hazard due to incorrect adjustment.
The rotating parts of the unit were adjusted in the manufacturer’s factory.
- The unit must not therefore be taken apart. The temporary removal of the terminal box cover during unit installation is the only exception to this restriction.
Risk of explosion/risk of injury due to incorrectly mounted or falling unit.
- Only mount on walls/ducts with sufficient load-bearing capacity and sufficiently dimensioned mounting material.
- Mounting material is to be provided by the customer.
- During installation, do not allow people to stand under the installation location.