Swopping to
mode B
16
If local systems demand mode B, follow the below procedure AND check the label in order to
connect the water drainage correctly.
Step
Action
1
Locate the small punched lid on
the long side of the unit closest to
the filter lids.
Release the screw and pull out in
the upper punch line, to bend the
sheet metal plate
Locate the switch on the main PCB
2
The default is mode A as shown. To
select mode B slide the switch to
the right. Close the lid again.
3
Swop the drain hose and plug as
indicated.
For a further description of the
drain hose installation, see page
20.
4
Move humidity sensor (and VOC
sensor if installed) to the sensor
position for mode B.
5
Swop the filter (ONLY if the op-
tional pollen filter F7 is used for the
supply air).
• Check the table on page 6
in order to determine the right
position of the F7 filter during
mode A/B.
6
Place new B sticker and calibration sticker on the unit.
Connect the duct as specified on the label and described on page 19.
7
Calibrate the unit as described on page 24.
8
Installation : Installation options
Illustration
Mode B
Mode A
Mode A
A
B
Mode B