Base EXTRACTOR FANS Instruction Manual - page 6
Fig. 3
S
Power supply feed circuit for fans with built-in switch
Fig. 4
Diagram of connection of fan without built-in switch
to circuit, where 8 is switch installed additionally.
LT
LT
Fig. 5
Diagram of connection of fan equipped with timer /
timer with humidity relay and built-in switch.
Fig. 6
Diagram of connection of fan equipped with timer /
timer with humidity relay and without built-in switch.
ig . 3
operation of fans, equipped with built-in switch.
ig .
show connection of fans without
built-in switch.
switch
is shown.
Fan switch off delay time is adjustable within the range of
approx 2 to 30 minutes. Time can be regulated by
potentiometer T.
Delay-increase direction is clockwise, and
delay-decrease is anticlockwise.
Fans supplied with timer and humidity relay are
by
humidity level and are regulated by
potentiometer H by rotaiton clockwise to increase and
anticlockwise to decrease level (50-90%
.
.
Diagram in ig. 6 shows connectionof lighting to fan's timer,
controlled by single switch (
is an
switch).
F s
and 5 for
F s 4 and 6
External
S
energised
increased
s
RH)
Do not regulate timer’s delay time unless fan is switched
off from the mains
f
S
external
S
N
L
220-240 V
220-240 V
220-240 V
220-240 V
N
L
N
L
L
N
Diagram of connection of 12
an
equipped with timer.
V F
to transformer
LT
S
220-240 V
L
N
TRANSFORMER
12 V
Fig. 7
6