
4.2
Installation of surface mounted casing ELS-GAP
Mark and drill out the screw positions with the help of the casing on the wall and insert the plugs. Align casing perpen
dicularly and tighten all three screws (not provided by Helios) firmly. It has to be taken into account that the casing is not
distorted. Unevenness of the wall at the contact surface have to be levelled out.
4.3
Installation of surface mounted casing ELS-GAPB
Mark and drill out the screw positions with the help of the casing on the wall and insert the plugs. Align casing perpen
dicularly and tighten all three screws (not provided by Helios) firmly. It has to be taken into account that the casing is not
distorted. Unevenness of the wall at the contact surface have to be levelled out.
The fire protection encasement must be tightly connected with the wall of the K90-chamber.
(srew on site, see fig. 8, Pos. a.).
7
Fan-casing-types ELS-GAP / ELS-GAPB
Installation and Operating Instructions
fig.4
ELS-GAP
NOTE
☞
fig.5
ELS-GAP
DN 80
Screw positions from
casing.
fig.6
ELS-GAPB
DN 80
Screw positions from
casing.
fig.7
ELS-GAPB
NOTE
☞
fig.8
ELS-GAPB
Pos a.