S+S Regeltechnik AERASGARD ACO2-W Operating Instructions, Mounting & Installation page 12

G
AERASGARD ® AFTM - (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!
Schematic diagram
1 2 3
OFFSET
CO ² VOC °C
ON
DIP 1 2 3 4 5 6 7 8 9
VOC
ZERO VOC CO ²
Output air quality (VOC)
4
5 Output temperature in °C
6 Output humidity in % r.H.
SET-Setting relay
AFTM - LQ - CO2 - W
DIP 1 DIP 2
OFF
O N
OFF
O N
DIP 7 DIP 8
OFF
O N
OFF
O N
OFFSET
CO ²
DIP CO ²
ZERO CO ²
4 free
Output temperature in °C
5
6 free
AFTM - LQ - CO2 - W
r.H.
ON ON
CO ² Mode
SET
relay
switchpoint
OFF
OFF
O N
O N
Level IAQ (Indoor Air Quality)
DIP 4
1 excellent
OFF
no action required
O N
2 good
DIP 6
prompt airing recommended
OFF
3 moderate
O N
airing recommended
4 poor
OFF
increased airing required
OFF
5 unhealthy
O N
intense airing necessary
O N
DIP 9
Table according to TVOC guidelines of the German Federal
OFF
Environmental Agency to assess indoor air contamination
O N
(Bundesgesundheitsbl - Gesundheitsforsch -
Gesundheitsschutz 2007, 50: 990–1005)
ATM - CO2 - SD
°C
ON
4
12
DIP switch ATM - CO2 - SD
CO2 content
0...2000 ppm (default)
0...5000 ppm
Rev. 2021 - V25
VOC
0...19 %
20...39 %
40...59 %
60...79 %
80...100 %
DIP 4
OFF
O N