S+S Regeltechnik AERASGARD KFTM-CO2 [12/32] Klq co2 w kftm co2 w kftm lq co2 w
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S+S Regeltechnik AERASGARD KFTM-CO2 [12/32] Klq co2 w kftm co2 w kftm lq co2 w

S+S Regeltechnik AERASGARD KFTM-CO2 [12/32] Klq co2 w kftm co2 w kftm lq co2 w
12
G
AERASGARD
®
KLQ - CO2 - W ⁄ KFTM - CO2 - W ⁄ KFTM - LQ - CO2 - W
Rev. 2021 - V33
Schematic diagram
KFTM - LQ - CO2 - W
4
5
6
12
11
13
OFFSET
CO
²
VOC r.H.
°C
1 2 3
123 456 789
ON
DIP
ON ON
VOC CO
²
Mode
+UB 24V AC/DC
–UB GND
Output CO
²
in ppm
Output air quality (VOC)
Output temperature in °C
Output humidity in % r.H.
NC
NO
COM
NC = Normally Closed
COM = Common
NO = Normally Open
SET
relay
Plug for
display
ZERO VOC CO
²
SET-Setting relay
switchpoint
DIP switches
KFTM - LQ
- CO2 - W
VOC sensitivity DIP 1 DIP 2
LOW OFF OFF
MEDIUM (default)
O N
OFF
HIGH OFF
O N
IAQ
(Indoor Air Quality)
O N O N
CO2
content
DIP 4
0...2000 ppm (default) OFF
0...5000 ppm
O N
CO2
automatic zero point DIP 6
deactivated OFF
activated (default)
O N
Relay assignment DIP 7 DIP 8
CO2 (default): 600...1900 ppm / 900...4700 ppm OFF OFF
VOC: 10...95 %
O N
OFF
Temperature: –23...+74 °C OFF
O N
Humidity: 10...95% r.H.
O N O N
Output DIP 9
Voltage 0 -10 V (default) OFF
Current 4...20 mA
O N
Note:
DIP 3
and
DIP 5
are not assigned!
Level IAQ
(Indoor Air Quality)
VOC
1 excellent 0
...
19
%
no action required
2 good 20
...
39
%
prompt airing recommended
3 moderate 40
...
59
%
airing recommended
4 poor 60
...
79
%
increased airing required
5 unhealthy 80
...
100
%
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)

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