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16.5
SERVICE FUNCTION
The following graphs describe how to use the service function.
Operating screen:
W A T R H T R
>
Press [SERVICE] and hold for 3 seconds.
The burner will start and show the display below.
Operating screen:
W A T R H T R
>
"WATRHTR": It is a water heater.
"Service": It is operating in service mode.
"26%": The burner is firing at 26%.
"75,0
"60,0
16.6
SCHORNSTEINFEGER FUNCTION
For use in Germany only
:
S
> >
:
1 2 3
.
4
:
S
> >
7 5
.
0
°
o
C": Max. allowable water temp. during service.
o
C": Actual measured water temp. (when P5BJ active).
Press [SERVICE] to exit. The unit will go to the operating screen. Press 3 s.
[ON/OFF] to exit. The unit will be switched off.
By using the [▲] & [▼] buttons the burner firing rate% can be changed.
Press [MENU] to access the main menu.
Press [MENU] to return to the service menu.
Use [◄] & [►] buttons to browse through the monitor screens.
Press [MENU] to go to the operation menu of the service mode.
Press [SERVICE] to exit the service mode.
The unit will return to the standard operation display.
T A N D
-
B Y
°
C
(
1 2 3
.
4 °
e
r
v
i
c
e
C
(
6 0
.
0 °
C
)
2 6 %
C
)
57
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