FIGHTER 1120/1220
Switch
with three positions 1 - 0 -
:
1
Normal mode. All control functions connected.
0
The boilers is completely switched off.
Standby. Only the circulation pump and possibly
the electrical addition. Not connected at the factory.
The switch must not be turned to “1” or “
” before
filling the boiler with water.
Display
A B
I II III
I II
5 0 . 0 C
H o t w a t e r t e m p e r a t u r e
13.43
1.0
A
Switch
Left
keypad
Heating
curve offset
Display
First row:
Compressor symbol
Indicates when the compressor is opera-
tional.
Addition symbol
Indicates when the immersion heater is
connected. The line indicates which power
step/steps are currently connected.
I
Step 1 is connected.
II
Step 2 is connected.
III
Step 3 is connected.*
I II
Steps 1+2 are connected.
II III
Steps 2+3 are connected.*
I III
Steps 1+3 are connected.*
I II III
Steps 1+2+3 are connected.*
Hot water symbol.
Tap
is shown when the heat pump charges
the hot water.
A
is shown when a temperature increase is
in progress.
B
is shown when a time based temperature
increase is in progress, for example, peri-
odic. Factory setting is 60 °C every 14
days.
Right
keypad
Front Panel
Circulation pump symbol.
I
Shown when the circulation pump is
operational.
II
Shown when circulation pump 2 is ope-
rational (the accessory ESV 20 is
required).
Heating system symbols
Shown when house heating is in progress.
Second row:
Value of the current parameter.
Third row:
Description of current display para-
meter. “Hot water temp” is normally
shown.
Fourth row:
Shows menu numbers, key lock,
clock symbol and time
A key lock can be activated in the main
menus by simultaneously pressing the
plus and the minus buttons. The key sym-
bol will then be shown on the display. The
same procedure is used to deactivate the
key lock.
The symbol becomes visible when a timer
function is selected, for example, periodic
lowering of the supply or time setting for
extra hot water.
Explanation
I II III
A B
I II
A
e t
The maintenance instruction describes the most impor-
tant functions in FIGHTER 1120/1220. For more informa-
tion see the Installation and Maintenance Instructions.
*
Only for FIGHTER 1120 with the accessory ETS.
General