Maico ER GH AP Notice De Montage Et Mode D'emploi page 36

8 Mounting preparations
8.8 ER-APB shut-off device, ER-AP shutter
6 Housing
9.2 Metal backflow preventer
9.3 Fixing screw for tab of the metal shut-
off shutter
10 Exhaust socket DN 75/DN 80
• ER-APB with maintenance-free fire protection
shut-off device against fire transmission.
With metal exhaust socket and metal shut-off
shutter and soldered strut with soldered strut lock-
ing device. This is approved for a PAM-GLOBAL
RML cast iron ventilation duct system or a system
with a fire-proof shaft.
Also pay attention to the safety instruc-
tions: ER-APB: Safety instructions for installation
of the fire protection shut-off device [} 36].
• ER-AP plastic shutter with plastic exhaust sock-
ets and plastic backflow preventer. This is ap-
proved for use with a ceiling barrier system or
an air extraction system without fire protection.
8.8.1 ER-APB: Safety instructions for installa-
tion of the fire protection shut-off device
It is essential to observe the permissible installa-
tion positions: Permissible installation positions
for fans [} 30].
36
DANGER Danger to life due to fire trans-
mission if the tab of the metal backflow pre-
venter is incorrectly screwed on.
It is essential to fasten the metal backflow pre-
venter and tab to the wall/ceiling with a suitable
screw and metal dowel.
Fixing screw is to be provided by the customer.
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)
[} 31].
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.