• If the humidity level is consistently
above 90% RH, the fan will not stop.
Operation
Case 1: Automatic operation Humi-
distat causes the extractor to oper-
ate automatically when the humidity
level in the room is higher than the
set level. The extractor will stop au-
tomatically 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 the facility to override the
hygrostat by means of the light switch
(fi g.5), 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.
ATTENTION: When the humidity rise
above the selected value, the auto-
matic option takes precedence over
the manual and the unit cannot then
be switched off using a switch.
Settings
The fans are set to operate at 60%
relative humidity and with 2 minutes
run-on time.
If the humidity in the room is lower
than 60%, the fan will not turn on. If it
is higher, the fan will operate until the
humidity level drops below 60%RH
and then runs for the length of time
set by the timer. The desired humidity
level and time delay are set by means
of adjusters positioned on the printed
circuit board (fi g.9) and accessible
once the grille has been removed.
The humidity is set by the adjuster.
"% Hr"
• To reduce the humidity setting turn
anticlockwise (min.60 %)
• To increase the humidity setting
turn clockwise (max. 90 %)
The timer is set by the adjuster "t
min."
• To reduce the run-on time, turn an-
ticlockwise (min. 2 minutes)
• To increase the run-on time, turn
clockwise (max: 20 minutes).
ATTENTION: When the fan is on run-
on time phase, you must let it fi nish
before a new setting.
Note:
If the fan never turns on:
• Humidity adjuster is not at its low-
est setting. Turn anticlockwise the
adjuster (do not force the adjuster)
to the minimum setting.
• The fan is fi tted in an area where
there is no air fl ow.
• The humidity level in the room is
below 60% RH
If the fan never stops:
• Humidity adjuster is not at its high-
est setting. Turn clockwise the ad-
juster (do not force the adjuster) to
the maximum setting.
• The humidity level in the room is
above 90% RH
FUTURE-100 PIR, CPIR
Models provided with a PIR (passive
infra-red) detector and adjustable
"run on" timer (1 to 30 minutes).
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