VTR 100B LITE User manualv01

ManualsBrandsSystemair ManualsResidential systemsVTR 100/B R LITE

Maintenance

7. Set which airflow the fan is supposed to be running in

the ON level, choose between Low, Nom, High or Auto.

Set which airflow the fan is supposed to be running in

the OFF level, choose between OFF, Low, Nom or High.

Note:

If an electrical re-heater battery is installed and

active and the unit is shut down from the control

panel, for example by choosing OFF. When the

unit is in OFF level in the week program, the fans

will continue to run for 3 minutes, to prevent the

heater from triggering the over heat protection

sensor, before they stop.

Airflow

On level: low/nom/high/auto

Off level: off/low/nom/high

8. Step back with the RETURN button until you reach the

main menu display

2.5 Manual and automatic summer mode

Manual summer mode occurs if no temperature step is selected. The temperature symbol on the main menu is then

completely empty.

Tempoff

If the electrical re-heater is activated, it will switch off during manual summer mode. Manual summer mode goes auto-

matically to step 1 (setpoint 12 °C) after two minutes if the supply air temperature is +5 °C or below.

If a water heater battery is installed and activated, the manual summer mode goes automatically to step 1 (setpoint 12

°C) if the outdoor air or supply air temperature is +5 °C or below.

The unit will automatically alternate between winter operation with heat recovery and summer operation without heat

recovery.

3 Maintenance

Danger

• Make sure that the mains supply to the unit is disconnected before performing any maintenance or

electrical work!

Warning

• Beware of sharp edges during mounting and maintenance. Use protective gloves.

Warning

• Risk of injury due to rotating parts that have not come to a complete standstill after mains supply to the

unit have been disconnected.

Warranty claims can only be made if maintenance work is carried out correctly and written evidence thereof is

provided.

3.1 Maintenance Schedule

Task 6 months

1 year 3 years

When necessary

General inspection

Filter change

X X

Fan cleaning

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