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AERASGARD
KLQ - CO2 - W ⁄ KFTM - CO2 - W ⁄ KFTM - LQ - CO2 - W
Schematic diagram
1 2 3
NC
12
11
COM
13
NO
NC = Normally Closed
COM = Common
NO = Normally Open
DIP switches
VOC sensitivity
LOW
MEDIUM (default)
HIGH
IAQ (Indoor Air Quality)
CO2 content
0...2000 ppm (default)
0...5000 ppm
CO2 autom. calibration
deactivated
activated (default)
Relay assignment
CO2 (default):
600...1900 ppm / 900...4700 ppm
VOC:
10...95 %
Temperature:
–23...+74 °C
Humidity:
10...95% r.H.
Output
Voltage 0 -10 V (default)
Current 4...20 mA
Note: DIP 3 and DIP 5 are not assigned!
Humidity table MR: 0...100 % r. H.
%
U
I
A
A
r.H.
in V
in mA
0
0
4,0
5
0,5
4,8
10
1,0
5,6
15
1,5
6,4
20
2,0
7,2
25
2,5
8,0
30
3,0
8,8
35
3,5
9,6
40
4,0
10,4
45
4,5
11,2
50
5,0
12,0
55
5,5
12,8
Continued at the right ...
OFFSET
CO ² VOC
ON
DIP
1 2 3 4 5 6 7 8 9
VOC
ZERO VOC
Output air quality (VOC)
4
Output temperature in °C
5
6
Output humidity in % r.H.
KFTM - LQ - CO2 - W
DIP 1 DIP 2
OFF
OFF
O N
OFF
OFF
O N
O N
O N
DIP 4
OFF
O N
DIP 6
OFF
O N
DIP 7 DIP 8
OFF
OFF
O N
OFF
OFF
O N
O N
O N
DIP 9
OFF
O N
%
U
A
r.H.
in V
in mA
60
6,0
13,6
65
6,5
14,4
70
7,0
15,2
75
7,5
16,0
80
8,0
16,8
85
8,5
17,6
90
9,0
18,4
95
9,5
19,2
100
10,0
20,0
KFTM - LQ - CO2 - W
°C
r.H.
ON
ON
CO ²
Mode
CO ²
SET
relay
SET-Setting relay
switchpoint
Level IAQ (Indoor Air Quality)
1
excellent
no action required
2
good
prompt airing recommended
3
moderate
airing recommended
4
poor
increased airing required
5
unhealthy
intense airing necessary
Table according to TVOC guidelines of the German Federal
Environmental Agency to assess indoor air contamination
(Bundesgesundheitsbl - Gesundheitsforsch -
Gesundheitsschutz 2007, 50: 990–1005)
Temperature table MR: –35...+80 °C
I
°C
U
A
A
in V
– 35
0,0
– 30
0,4
– 25
0,9
– 20
1,3
– 15
1,7
– 10
2,2
– 5
2,6
0
3,0
+ 5
3,5
+ 10
3,9
+ 15
4,3
+ 20
4,8
Continued at the right ...
12
I
°C
A
in mA
4,0
+ 25
4,7
+ 30
5,4
+ 35
6,1
+ 40
6,8
+ 45
7,5
+ 50
8,2
+ 55
8,9
+ 60
9,6
+ 65
10,3
+ 70
11,0
+ 75
11,7
+ 80
Rev. 2021 - V33
VOC
0...19 %
20...39 %
40...59 %
60...79 %
80...100 %
U
I
A
A
in V
in mA
5,2
12,3
5,7
13,0
6,1
13,7
6,5
14,4
7,0
15,1
7,4
15,8
7,8
16,5
8,3
17,2
8,7
17,9
9,1
18,6
9,6
19,3
10,0
20,0
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