VTR 100B LITE Installation and Service manual v2

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Commissioning
5.1.1 Display symbols
Symbol
Description
Explanation
Temp19 °C
Temp
Illustrates the current set-point for supply air temperature
(from completely empty to filled symbol).
Turn the SELECTION knob to choose temperature.
Press ENTER to save the setting.
Airflow
Airflow Illustrates the current airflow. The airflow can be set manually
in 5 steps: Off, Low, Nom, High and Auto.
Turn the SELECTION knob to choose airflow.
Press ENTER to save the setting.
A. Ventilation off.
1
B. Low ventilation: Can be used when leaving the building for a
longer period
C. Nominal ventilation: Will give required air change under
normal conditions.
D. Maximum ventilation: To increase the airflow if necessary.
E. Auto ventilation: Will regulate after the pre-setting for the
demand control settings.
Service
Service
Press ENTER to access the service menu.
Alarm
Alarm Press ENTER to access the alarm list.
1
The fan can be set to OFF by activating manual fan stop. See service menu description under functions.
Important
It is not recommended to activate manual fan stop (set fan to OFF) in standard households.If manual fan
stop is activated, the unit should be provided with dampers in exhaust and fresh air ducts to avoid cold
draught and risk of condensation when the unit has been stopped.
5.2 Start up wizard
The Start up Wizard is a step-by-step configuration tool that starts automatically when the VTR 100/B LITE is started
for the first time or when:
• a factory reset is performed
• a new print card is installed (spare part)
In this case the unit type must be entered ( VTR 100/B LITE )
The airflow in the Start up wizard can be set by either l/s, m
3
/h or a percentage with the Fan control.
• If Airflow System curve is chosen, the settings will be in l/s, m
3
/h and system curves are selected.
• If Airflow % is chosen, the settings will be in percentage. System curves are not selectable.
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