Electrical connection

ATTENTION: Risk of damage to unit in the event of short circuits. Insulate any unnecessary cable cores.

The fans are not approved for operation with frequency converters, as standard. Fans for frequency converters only available as special version.

Prescribed tightening torques

Components

Tightening torque

Terminal box cover: M4 stainless steel cylinder head screws

1.0 Nm

Sheath terminal M7 x 0.75 mm

0.7 Nm

Motor terminals TK

0.7 Nm

Fan connection

  1. Remove the terminal box cover and take out the accessory bag.
  2. Insert the cable grommet into the terminal box.
  3. Guide the power cable into the terminal box.
  4. Pierce the cable grommet in a circular manner. Pierce the cable grommet so that it can tightly enclose the power cable. Attention: If the cable grommet is not attached correctly, water may penetrate the terminal box → risk of short circuit/damage to unit. If necessary, seal the cable grommet on site.
  5. Connect the mains to the terminal block according to the circuit diagram. Observe the tightening torques.
  6. Fasten the enclosed tension relief with the two screws.
  7. Attach the on-off switch.
  8. Connect optional accessory components as described below.
  9. Fit the terminal box cover so that the surrounding seal is tight against the terminal box all the way around. Attention: Damage to the unit, due to moisture, if the terminal box cover is not properly fitted. Observe the tightening torques.