Safety

The installation and electrical connection of the LW 9 air flow monitor may only be carried out by qualified electricians.

• Read these operating instructions carefully before installation and commissioning.
• The degree of protection stated on the rating plate is only guaranteed if installation is undertaken correctly and if the cables are correctly guided into the terminal box.
• Only connect control unit to permanent electrical installation with NYM-O or NYM-J cables (0.75/1.5 mm²). In addition, a device for disconnecting from the mains with at least 3 mm contact opening per pole must be fitted.
• The unit may only be operated using the voltage and frequency shown on the rating plate.
• Only operate the unit when it is completely installed.
• Modifications and alterations to the unit are not permitted and release the manufacturer from any guarantee and liability.