Operation Manual

9
21/09/06 - 300003691-001-F GT 120 - GTU C 120 - GT 220
Keys accessible when the flap is closed
Keys accessible when the flap is open
3Burner
Z
Refer to the user instructions for the burner.
Temperature setting keys
2%
Comfort temperature
2$
Reduced temperature
2
Domestic hot water temperature
/

Is used to adjust the selected temperature
Operating mode selection keys
AUTO Heating according to the time programme
%
Forced Comfort mode:
- until midnight if

flashes
- all the time if

is steady
$
Forced Low mode:
- until midnight if

flashes
- all the time if

is steady
.
Antifreeze mode

Tank load enabled mode
#
Manual "Summer" shutdown key
The heating is switched off and DHW production is
ensured. The symbols
#
and E are displayed.
STANDARD "Standard" programme key
Reset of all time programmes.
K
Fitter settings access key
Key for access to setting and measurements
J
Page scrolling
I
Line scrolling
H
Return to the previous line
Programming keys
%O
Enter (per 1/2 hour) the comfort temperature period or
tank load enabled (dark area)
$P
Enter (per 1/2 hour) the reduced temperature period or
tank load disabled (light area)
S
Return key
A, B, C Circuit display selection key
PROG Active heating programme selection key (P1, P2, P3 or
P4)