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For verification or activation of VAV operation mode:
1. Selection of one of six VAV operation modes using S4 potentiometer and positions A – F (see locations in section 4.2.).
There are six previously parametrized operation modes adapted to sensor type to be wired and described in table
below:
S4 position
VAV mode
Full scale
Minimum of
sensor
Setpoint
Band
Alarm
Vreg_Lim_min
Vreg_Lim_max
* NOTE: Specially designed to AIRSENS IAQ sensor range
Alarm row refers to air quality depending on the concentration sensor. In case of reaching the concentration level,
through Modbus communication, an alarm message will be activated (discrete inputs 10008, 10009 and 10010).
Any other adjustment not included in six modes described above must be made by means of external Modbus para-
metrization (see section 6.5.).
2. Set of analog input signal type depending of sensor features. This adjustment will be done with microswitch S2 (see
locations in section 4.2.).
S2.1
S2
S2.2
S2.3
5.4. MINIMUM / MAXIMUM
Operating mode where fan alternates between two pre-set speeds through normally opened voltage free contact (see
locations in section 4.2., J5 terminals). The factory set speeds correspond to maximum speed of 10V (100%) and mi-
nimum speed of 4V (40%). Values of these speeds can only be modified using Modbus parametrization protocol (see
Modbus Map, holding registers 40073 and 40074).
24
A*
B
0-10V
Temperature
10V
50°C
0V
0°C
5V
25°C
5V
4°C
10V
28°C
0V
2V
10V
10V
OFF: AI1 analog input, 0-10V
ON: AI1 analog input, 4-20mA
OFF: AI2 analog input, 0-10V
ON: AI2 analog input, 4-20mA
OFF: AI3 analog input, 0-10V
ON: AI3 analog input, 4-20mA
C
D
RH (1)
RH (2)
100%
100%
0%
0%
50%
60%
10%
40%
70%
90%
2V
2V
10V
10V
E
F
CO2 (1)
CO2 (2)
2000ppm
2000ppm
0ppm
0ppm
1100ppm
800ppm
800ppm
800ppm
1600ppm
1400ppm
2V
2V
10V
10V
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