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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)
9


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  • Hello, I am struggling to download the user technical manual for boiler, can you email me the manual. I want to read about the Flow return temp Submitted on 6-9-2023 at 12:42

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  • After not being used for three years the oil-fired boiler will not fire up. There is plenty of oil and both pressure gauges read correctly. On pressing the start button it tries for about 20 seconds then the red alarm light comes on. It seems like the lower pump motor runs but not the upper one. Any assistance would be greatly appreciated. Submitted on 10-4-2022 at 17:10

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  • Hi, my boiler is on 42 degrees and can’t turn the temp down. Is it ok just to switch off. Thanks Submitted on 14-3-2022 at 20:37

    Reply Report abuse


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