4
© VALLOX • We reserve the right to make changes without prior notice.
What the units include can vary depending on the sales area.
Vallox
121
SE
OPERATING INSTRUCTIONS FOR CONTROL PANEL
Start button
Press the button to turn the ventilation unit on and off.
When the indicator is lit, the unit is on.
Carbon dioxide adjustment
Press the button to turn carbon dioxide adjustment on
and off. When the indicator is lit, the adjustment is on.
Humidity adjustment
Press the button to turn humidity adjustment on and off.
When the indicator is lit, the adjustment is on.
Post-heating
Press the button to turn post-heating on and off. The
summer function is on when the indicator is not lit.
Scrolling up
With this button you can scroll the displays upward.
Scrolling down
With this button you can scroll the displays downward.
Increase button
Use this button to increase values.
Decrease button
Use this button to decrease values.
3
4
1
5
6
7
8
1.1 Keyboard
2
Power failure
After a power failure, the unit starts at minimum fan
speed. The adjustments and setpoints chosen will remain
in the memory of the unit in spite of the power failure.
Main display
Fan speed (3).
Supply air temperature (21°C).
Time.
Filter guard alarm.
Maintenance reminder alarm.
Fireplace/booster switch on. The fi replace/booster switch is
activated in this display by simultaneously pressing down the
+ and – buttons for 2 seconds.
Week-clock control on.
Fan speed can be changed in this display with the + and –
buttons (see Section 1.1, fi gure items 7 and 8).
3
21
10:20
Ventilation operating menus
Main display
2.1. Main display and change of fan speed
2.2
Moving to the Settings menu
To settings menu
see manual
In order to move to the Settings menu,
press the + and – buttons simultaneous-
ly. In the Settings menu you can chan-
ge setpoints for the ventilation unit.
2.3
Week-clock control
Week program
on
Week-clock control can be switched
on with the + button and off with the –
button. Week-clock control is on when
the week-clock control symbol is in the
main display. In week clock control,
the base fan speed and supply air
temperature of the unit are adjusted in
accordance with the programme as
described in Section 4.1.
2.4
Content display
RH 35%
RH2
40%
CO2
0821 PPM
The content display shows humidity
and carbon dioxide content. The
corresponding sensors are required
(options).
2.5
Temperature display
Out 20
in 20
Sup. 20
Exh. 20
The temperature display shows the
temperatures of outdoor air, indoor
air, supply air and exhaust air. The
accuracy of the temperature sensors
is ±2 °C.
2.6
Setting supply air temperature
Temp. setting
20C
Supply air temperature is changed
with the + and – buttons.
1.
Control panel operation
2. Operating menu
3.
Settings menu
You can move to the Settings menu from the Operating menu as described in Section 2.2
The displays of the Settings menu (Sections 3.1–3.29) can be scrolled with the scrolling buttons (see Section
1., items 5 and 6 in the fi gure).
3.1
Resetting maintenance reminder
Mainten. reset
Press + and –
The maintenance reminder is reset by
pressing the + and – buttons simulta-
neously. This turns out the maintenance
reminder symbol ( ) in the main
display.
3.2
Choosing maintenance reminder interval
Maintenance rem.
04
The interval for the maintenance
reminder is selected with the + and
– buttons. The maintenance reminder
interval refers to months.
1
21C
10:20
The displays of the Operating menu (Sections 2.1–2.6) can be scrolled with the scrolling buttons
(see Section 1, fi gure items 5 and 6).
