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VERSIONS
STANDARD
The fan is operated using a separate ON/OFF switch or via a light switch (fig. 13A).
The automatic shutters open a few seconds after the fan is on.
PULL CORD
The fan is operated using an integrated pull cord switch (fig.13B).
The automatic shutters open a few seconds after the fan is on.
WITH TIMER (over-run)
The fan is provided with a timer circuit which is adjustable from about 1 minute to about
25 minutes via trimmer (fig. 14C).
Operation: connected according to the diagram in fig. 13C, after the light is switched on,
the fan activates with a delay of max 1.5 seconds. After the light is switched off, the fan
continues to function for a pre-set period of time.
WITH HUMIDISTAT & TIMER
The fan is equipped with a humidity detector, whose threshold is adjustable from 50%
to 95% Relative Humidity, and with a timer which is adjustable from about 1 minute to
about 25 minutes via corresponding trimmer (fig. 14D).
Turn the trimmer HY completely clockwise and the humidistat function is deactivated.
Automatic humidistat operation: connected according to the diagram in fig. 13E, when
the percentage of Relative Humidity exceeds the pre-set intervention threshold, the
fan starts up automatically. When the percentage of Relative Humidity goes below the
threshold, the fan continues to function for a pre-set period of time.
Operation with switch connection: connected according to the diagram in fig. 13E, after
the light is switched on, the fan activates with a delay of about 1.5 seconds. After it is
switched off, the fan continues to function for a pre-set period of time.
Operation via pull cord switch (HTPC version): connected according to the diagram in
fig. 14B. By switching on, the fan activates with a delay of about 1.5 seconds. After
switching off, the fan continues to function for a pre-set period of time
Attention: When the relative humidity level is higher than the pre-set threshold,
automatic operation with humidistat has priority over manual operation, or rather the fan
cannot be stopped via switch.
STANDARD CONFORMITY
6
Airflow
Code
m
/h max
3
QA90
55
QA100
83
QA120
151
QA150
320
Static pressure
Power
Pa max
W max
17
11
27
11
40
16
59
26
Sound pressure
dB(A) @3m
33
33
38
43
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