54
10.5
Service function
The following graphs describe how to use the service function.
Operating screen:
H E A T I N G : N o d e m a n d
> > > : 1 2 3 . 4 ° C ( 1 2 3 . 4 ° C )
Press [SERVICE] and hold for three seconds.
The burner will start and show the display below.
Operating screen:
H E A T I N G : S e r v i c e
2 6 %
> > > 9 0 . 0 ° C
(
6 0 . 0 ° C )
"HEATING": It is a boiler for heating.
"Service": It is operating in the service mode.
"26%": The burner is firing at 26%.
"90,0
o
C": Max. allowable water temp. during service.
"60,0
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.
