• The unit is correctly wired
• Outdoor and exhaust air dampers and silencers are installed and that the duct system is correctly
connected to the unit
• All ducts are sufficiently insulated and installed according to local rules and regulations
• Outdoor air intake is positioned with sufficient distance to pollution sources (kitchen ventilator exhaust,
central vacuum system exhaust or similar)
• All external equipment are connected
• The unit is correctly configured and commissioned
• The week schedule and airflow settings are correctly programmed.
9 Operation
9.1 Setting the temperature
The supply air temperature is set manually in steps of 1 K in the main menu display by choosing the
temperature symbol.
If an electrical re-heater is installed the temperature setpoints are:
12-22 °C. For installed water re-heater the setpoints are: 12-40 °C.
If the re-heater is deactivated, the temperature steps are:
15-19 °C. Default value: 15.0 °C.
Each temperature step is illustrated by increasing the filling of the temperature symbol and the temperature
is shown in the display
An unfilled temperature symbol will activate manual summer mode. See chapter 9.3
9.2 Manual setting of airflow
It is possible, at any time, to manually set the airflow in the main menu display. By choosing the fan symbol
and confirming, it is possible to increase or decrease the airflow in 5 steps: Off, Low, Nom, High and Auto.
By doing so, you override the programmed week schedule for the unit until the end of the present time
period in the week program (chapter 7.7).
Warning
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.
The fan can be set to OFF by activating manual fan stop. See the Installation and Service manual,
chapter Service menu overview:
Manual fan stop
.
SAVE VTR 200/B
Installation and Service
208061
20
Systemair Sverige AB
