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(1st) Low speed adjustment
(1st) Low speed adjustment
To adjust the airflow turn the potentiometer carefully clock wise with a small screw driver. The
potentiometer has 16 positions (from 0 to F). To each of these positions are assigned an output
voltage to the fans. As higher the output voltage as higher the airflow and viceversa.
To adjust the airflow turn the potentiometer carefully clock wise with a small screw driver. The
potentiometer has 16 positions (from 0 to F). To each of these positions are assigned an output
Position Potentiometer
Factory setting: 1
st
voltage to the fans. As higher the output voltage as higher the airflow and viceversa.
Assigned Voltage (V)
Factory setting: 1
st
CAD HE 325 EC V BASIC
p
sf
[Pa]
10V
9V
400
8V
7V
300
6V
200
5V
4V
100
0
0
100
Filters alarm timing
Filters alarm timing
ON
1
2
3
4
ON
6 months
1
2
3
4
30
The black colour indicates the dip switch position.
6 months
0
1
2
3
speed = 3; 2
nd
speed = 7 and 3
2,5
3
3,5
4
speed = 3; 2
speed = 7 and 3
nd
200
300
400
q
v [m
CAD HE 575 EC V BASIC
p
sf
[Pa]
10V
600
9V
500
8V
400
7V
ON
300
6V
5V
200
1
2
3
4
ON
4V
9 months
100
(factory se
g)
1
2
3
4
0
0
100
200
9 months
(factory se
g)
(3rd) High speed adjustment
(3rd) High speed adjustment
(2nd) Middle speed adjustment
(2nd) Middle speed adjustment
4
5
6
7
8
rd
speed = F.
4,5
5
5,5
6
6,5
speed = F.
rd
p
sf
[Pa]
10V
600
9V
8V
500
7V
400
6V
300
5V
200
4V
100
0
3
/h]
0
100
ON
1
2
3
4
ON
12 months
1
2
3
4
300
400
500
600
q
12 months
9
A
B
C
D
7
7,5
8
8,5
9
CAD HE 450 EC V BASIC
200
300
400
500
ON
1
2
3
4
ON
15 months
1
2
3
4
3
v [m
/h]
15 months
E
F
9,5
10
q
3
v [m
/h]
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