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7 System and product information
DANGER For ER-APB connection outside
the shaft: Danger to life due to fire transmis-
sion if the metal exhaust socket is incorrectly
connected to the connection duct.
Connection according to: Preparations for the
ER-APB ceiling installation (with fire protection).
3 steel blind rivets are prescribed for the connec-
tion with the connection socket. These must not
impair the shutter function.
Before commissioning, ensure that the shut-off
shutter moves with ease.
NOTICE The metal shut-off device is perman-
ently closed if there is no soldered strut.
Check that the soldered strut is in the correct
place before installation.
NOTICE Unpleasant smells from the main
duct. Shut-off device does not close tightly in
cases of improper installation.
Before mounting, check the correct installation
position and check that the shut-off shutter func-
tions.
When installing on ceiling: Prepare metal
shut-off device for upwards air outlet direction
1. When shut-off device is inserted, remove yoke
spring. To do this, use pliers to pull yoke
spring out of exhaust socket from above.
2. Check and ensure that shut-off shutter is fully
functional.
6.4 Safety instructions for the install-
ation of the plastic shutter
It is essential to observe the permissible installa-
tion positions: Permitted installation positions:
[} 11].
8
NOTICE Damage to unit, malfunctioning in the
event of corrosion damage from mortar.
Wrap ventilation ducts, connected to the unit,
with a suitable adhesive tape to protect against
corrosion inside the brickwork, e.g. using cold-
shrink tape.
NOTICE Odours may escape from the ventila-
tion channel.
If the installation position is wrong, the plastic
shutter will not close leak-tight.
Insert shutter at the top/to the right/to the left/to
rear in the exhaust socket of the housing to fit the
installation position. Ensure that the shutter
closes entirely leak-tight.
7 System and product informa-
tion
7.1 Certificates of approval
Certificates of approval on request.
According to the general requirements of the Ger-
man Centre of Competence for Construction,
whenever the ER AP/APB units are used, the cer-
tificate of approval or a copy of this must be
present at the point of use for the
• ER-APB: Z-51.1-45 or
• ER-AP: Z-51.1-42
-> See "General building approval for ventilation
units for single air extraction systems with shared
exhaust air duct according to DIN 18017-3".
7.2 Installation conditions
If installed in accordance with DIN 18017-3,
use is only permitted:
• in single air extraction systems with a common
main duct;
• with permitted connection ducts;
• with unit to suit the system (Permitted exhaust
air systems [} 9]);
• with surface installation on the wall or ceiling;
• if correctly installed as per the instructions in
this manual and the general building approval
ER-APB: Z-51.1-45 or ER-AP: Z-51.1-42;
• with sufficient space from the wall or ceiling;
• if unit is completely installed;
• with the correct air filters;
• with the outside air openings stated in the plan-
ning documents.
If the installation deviates from DIN 18017-3:
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