OPERATING AND INSTALLATION INSTRUCTIONS LG 250 A
PAGE 14
Changes reserved
U
S
ER
G
ENER
A
L
S
P
EC
IA
LIS
T
P
ER
S
O
NNEL
VENTILATION LEVEL
The active ventilation level is displayed by
various buttons. The ventilation level can
be changed by pressing the buttons. The
following selection options are available:
Time program:
The system runs at the ventilation level
that is currently programmed. The time
program can be programmed in the
"Menu" under "Settings".
Off*:
The machine is switched off.
Basic ventilation*:
The unit runs with
basic ventilation
Ventilation level 1:
The unit runs at ventilation
level 1
Ventilation level 2:
The unit runs at ventilation
level 2
Ventilation level 3:
The unit runs at ventilation
level 3
The two buttons on the right-hand side
change the unit’s ventilation level. Press-
ing the [+] button increases the ventilation
level until level III is reached which corre-
sponds to boost ventilation. After 1 hour
operating time in the highest ventilation
level, normal ventilation mode is automat-
ically reset to Level 2. The boost ventila-
tion may, alternatively, also be stopped
manually after one hour. Pressing the [-]
button reduces the ventilation level.
*Depending on the configuration of the
plant!:
Basic ventilation activated:
The user cannot switch off the unit.
Basic ventilation deactivated:
The user can switch off the unit.
Basic ventilation can only be activated and
deactivated by service engineers!
