7 Mounting preparations
35
6.4 Storage
Only store unit horizontally in a suitable, dry
room. Ambient temperature – 10 °C to + 60 °C.
Maico Elektroapparate-Fabrik GmbH
accepts
no liability for corrosion damage caused by im-
proper storage, e.g. storage in a damp environ-
ment.
7 Mounting preparations
Suitable mounting material is to be
provided by the customer.
7.1 Requirements in line with ap-
proval
Approval provisions
Approval provision
ER GH
Number of units per
floor, residential unit or
fire zone
Max. 3 fans or 3 con-
nections
Connection diameter
DN 75 or DN 80
Shaft wall
Any board material
Connection ducts inside
the shaft
For example,
AFR 80
flexible aluminium duct
between the main duct
in the shaft and unit,
max. 2 m long (→ ap-
proval).
Connection ducts out-
side the shaft
For example,
AFR 80
flexible aluminium duct
between the main duct
in the shaft and unit,
max. 6 m long (→ ap-
proval).
Duct elbows in the unit
connection duct
max. 90° bend, ascend-
ing
Number of duct elbows
permitted for wall in-
stallation
Max. 2 x 90°
Number of duct elbows
permitted for ceiling in-
stallation
Max. 2 x 90°
Regulating equipment
in the exhaust air duct
Not permitted
Wall/ceiling opening for
DN 80 unit connection
duct
Brickwork or concrete:
130 mm
