Helios ALB EC 30/20 EH Notice De Montage Et D'utilisation page 32

Installation and Operating Instructions
EN
Fresh Air Boxes – ALB EC
– Overview
ò
– Settings
Time and date
Set date and time.
Display brightness
Set brightness of the display.
Language
Select menu language.
Fan
Set the fan power, see Fan menu.
Schedule
Set activation times, see Schedule menu.
Overview
Displays all temperature sensors, fan power and pre-heater power, see Overview menu.
Service menu
Enter service code "1616" and confirm with Ok.
The following parameters can be adjusted:
01- Mode
Select the ventilation mode:
Manual: Manual setting of fan power in %.
DCV (Demand Control Ventilation): external 0-10 V control via terminals 43-44.
02- HW setting
Digital output (7-8)
– Normal closed
– Normal opened
05- Filter calibration
The filter must be calibrated after a filter change.
07- Heater battery
Activation of installed heater battery:
– None
– Water
– Electric
08- AQS sensor
Setting the Air Quality Sensor. Connected to analogue input terminal 43-44.
– None
– CO2 0-2000 ppm (values lower than 200 ppm (1 V) are detected as sensor errors)
– CO2 0-1100 ppm (values lower than 200 ppm (1 V) are detected as sensor errors)
– RH humidity sensor 0-100 % = 0-10 V
– VOC sensor 0-100 % = 0-10 V
– Ext. 0-10 V
Air quality test (respiration)
The function is available when an Air Quality Sensor (CO
or directly in the unit. This is only available with the optional AQS duct sensor (upon request).
If the air quality is better than the lower sensor limit value, the unit will be deactivated. After 10 minutes, the unit will
be operated for one minute at minimum speed to carry out another air quality test (respiration).
If the air quality is still lower than the lower sensor limit value, the unit will deactivate again. After 10 minutes, the
unit will be operated for one minute at minimum speed to carry out another air quality test (respiration).
If the air quality is higher than the lower sensor limit value, the unit will continue to run and slowly increase the
speed to the maximum value within 5 minutes. The unit will continue operating at maximum speed for 2 minutes.
During this time, the air quality sensor measurement value will be ignored. The unit will then return to automatic
sensor-controlled operation.
Displays all temperature sensors, fan power and pre-heater power.
Info button ò: Displays unit and interface information.
sensor, humidity sensor) is installed in the extract air duct
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