S&P SILENT CZ, Manual

Page: 19 / 128

19
EN
ELECTRICAL CONNECTION
The SILENT is an extractor designed for a
single phase supply, with voltage and fre-
quency as indicated on the rating plate of
the unit. The units are manufactured with
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 enter the SI-
LENT through the cable entry (4).
Once the cable has been introduced pro-
ceed using the electrical wiring diagram
applicable to the selected model.
SILENT CZ
For these models use the following dia-
grams:
Fig.3: Switching the extractor through
the light switch.
Fig.4: To switch the fan through an inde-
pendent switch.
SILENT-100 CZ 12V
For this models use wiring diagram
fi g.12.
SILENT CRZ
This model is provided with an adjustable
over-run timer. The timer allows the fan
to continue to operate for the selected
period after the switch has been turned
off (fi g.6).
Model provided with a 4 positions adjus-
table electronic timer: Fig.5 shows how
to connect t he fan with timer utilising the
same switch as for the lighting circuit.
To set the timer, turn the potentiometer
on the printed circuit board as (fi g. 7).
• To reduce the “run on” time, turn anti-
clockwise (min. 1 minutes).
• To increase the “run on” time, turn
clockwise (max: 30 minutes).
SILENT-100 CRZ 12V
For this models use wiring diagram
fi g.13.
SILENT-100 CRIZ (this version is only
available as SILENT-100)
This model is provided with an adjustable
over-run timer. The timer allows the fan
to continue to operate for the selected
period after the switch has been turned
off (fi g.6).
ATTENTION: The product also includes
an over-run timer facility that starts
the fan after the fi rst 50 seconds of non-
operation. After these fi rst 50 seconds
the fan operates automatically.
Model provided with a 4 positions adjus-
table electronic timer:Fig.5 shows how to
connect the fan with timer utilising the
same switch as for the lighting circuit.
To set the timer, turn the potentiometer
on the printed circuit board as (fi g. 7).
Position Auto:
• If the period of operation is less than
50 seconds then the over-run timer
will not operate.
• If the period of operation is more than
50 seconds then the over-run timer
will operate in accordance to the pe-
riod of operation (with a maximum of
30 minutes).
Position 5’:
5 minutes “run on” time .
Position 20’:
20 minutes “run on” time .
Position 30’:
30 minutes “run on” time.