Translation of original operating instructions
46
AL-KO AT4F ATEX
Step
Action
1
Loosen the bolts on the factory-fitted/loose spacer rail (1).
2
Fit sealing strips (3) to the upper and lower inner frame edges.
3
Set down the unit components next to it using a forklift or crane.
4
Pre-drill the spacer rail and lower it.
5
Fix the spacer rail (1) using countersunk drilling screws. This allows you to integrate these into the unit potential.
6
After installing the components, check that they are integrated into the unit potential and document this.
All metallic/conductive/discharging parts of the unit must be included in the local equipotential bonding measure.
Length offset of unit components
ATTENTION
With a length offset between the left and right unit components, the facing bracket must be
screwed onto the housing cover.
For AT4F ATEX units in a weatherproof version, the facing bracket must also be sealed with a
microbially inert sealing material.
For AT4F ATEX units in a weatherproof version, the supplied screws are additionally equipped
with an EPDM sealing washer.
Establish the equipotential bonding via a screw with contact washer.
1
3
2
3
4
Fig. 29 Unit arrangement next to one another
1
Facing bracket
3
Drip edge (with weatherproof units)
2
Spacer rail
4
Microbially inert sealing material
(with weatherproof units)
Summary of Contents for AT4F Series
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