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INSTALLATION
The fan is suitable both for horizontal or vertical mounting on the floor, on the wall or on the ceiling (Fig. 1).
The fan can be installed independently or as part of a set with parallel or in-series connection (Fig. 2).
Install minimum 1 m long air duct on the intake spigot side in case of horizontal fan mounting or a hood in
case of vertical fan mounting.
The outlet spigot must always be connected to the air duct. The fan mounting sequence is shown in Fig. 4-12
and 25-30. The fan wiring diagrams are shown in Fig. 13-24. Some fan models are equipped with a plastic limit
stop in front of the L1 terminal. Remove the limit stop for connection to the L1 terminal. Obey the restrictions
shown in Fig. 15 and 19.
Designation:
L1
– minimum speed terminal
L2
– maximum speed terminal
QF
– automatic circuit breaker
S
– external speed controller
ST
– external switch (for example, a light switch)
X
– input terminal
Automatic circuit breaker
designation
QF
External switch designation
S
S/ST
Automatic
circuit breaker
External switch
9
EN
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