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double electrical insulation (Class II) and therefore they do not need an earth
connection.
The electrical installation must include a double pole switch with a contact clea-
rance of at least 3 mm.
The electrical cable must be introduced to the EDM through the slot (7) if the wire
is within the wall, or through the cable entry (2) if the installation is with a surface
mounted cable; in this case, the cable must be introduced as shown on Fig. 3b
and not as shown on Fig. 3a.
Once the cable has been introduced,
appropriate electrical wiring depending on the EDM model.
EDM models S and C
For these models use the following diagrams:
Fig. 5- To switch the fan through an independent switch.
EDM models T, CT and CR
Models
with
timer enables the
switch has been switched off (Fig. 6). The diagram on Fig. 7 shows how to connect
Model CR has an adjustable timer.
To adjust the timer, turn the rotary switch on the Printed Circuit Board (Fig. 8a).
-
To decrease the time delay turn it Counter Clockwise (CCW).
-
To increase the time delay turn it Clockwise (CW).
EDM models C, CT, CR, and CH
WARNING: The opening of the shutter is facilited by means of a thermal
system that needs some seconds to open completely.
EDM models H and CH
Models H and CH are provided with an electronic hygrostat which can be adjusted
from 60 to 90% RH (% relative humidity). They are
(IC) enabling override of the fan when the relative humidity level in the room is
lower than the set % RH value.
A variable % RH rotary switch within the fan can be adjusted after removing the
grille (Fig. 8b).
not adjustable timer (T and CT) or adjustable (CR). The
to continue running during the time delay, after the
it with the
r.
(3) and proceed to the
with a pullcord switch
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