S&P SILENT Serie Instrucciones De Montaje página 12

the fan with timer utilising the same switch as
for the lighting circuit.
T o set the timer, turn the potentiometer on the
printed circuit board as (fig. 7).
- T o reduce the "run on" time,
anticlockwise (min. 1 minutes)
- T o increase the "run on" time , turn clockwise
(max: 30 minutes).
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 (fig.6).
ATTENTION: The product also includes an
over-run timer facility that starts the fan
after the first 50 seconds of non-
operation. After these first 50 seconds the
fan operates automatically.
Model provided with a 4 positions adjustable
electronic timer:Fig.5 shows how to connect
the fan with timer utilising the same switch as
for the lighting circuit.
T o set the timer, turn the potentiometer on the
printed circuit board as (fig. 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 period 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
SILENT CHZ
Models provided with an electronic
humidistat which can be adjusted from 60%
to 90 % RH (relative humidity) and with a
timer, adjustable between 2 and 20 minutes.
Operation
Case 1: Automatic operation (fig.9)
In automatic operation, the humidistat causes
the extractor to operate automatically when
the humidity level in the room is higher than
the set level. The extractor will stop
automatically when the humidity drops below
the selected level and after the selected
period set on the timer.
Case 2: Automatic operation as in case 1 with
turn the facility to override the hygrostat by means
of the light switch (fig.8), when the humidity
level in the room is lower than the selected
level. In this case, the extractor continues to
operate for the selected period set on the timer
after the switch light has been switched off.
ATENTION: When the himidity rate is
above the selected value, the automatic
option takes precedence over the manual
and the unit cannot then be switched off
using a switch.
The desired humidity level is selected by
means of a potentiometer "
on the printed circuit board (fig.10) and
accessible once the grille (1) has been
removed.
- T o increase the humidity setting turn
anticlockwise (min.60 %)
- T o reduce the humidity setting turn
clockwise (max. 90 %)
T o set the timer, turn the potentiometer "
min. " on the printed circuit board (fig.10):
- T o reduce the "run on" time,
anticlockwise (min. 2 minutes)
- T o increase the "run on" time , turn clockwise
(max: 20 minutes).
DECOR-100 CHZ VISUAL (this version is
only available as SILENT-100)
These models are provided with an electronic
humidistat which can be adjusted between
60, 70, 80 or 90% RH (relative humidity) and
with an automatic run-on-timer, adjustable
between 5, 10 or 20 minutes. The humidistat
adjustment can be made using the
corresponding adjustment touch without the
need to remove the front grille of the fan
HUMIDISTAT
The desired humidity level is selected by
means of an adjustment touch (5
located on the front grill. The corresponding
relative humidity level, 60-70-80 or 90%, is
then visually indicated via one of four neon
lights. All models are factory set as standard
to a 90% relative humidity level.
12
% Hr " positioned
t
turn
fig.11)