E93.1001EN.C Manual CD
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10.5
Service function
The following graphs describe how to use the service function.
Operating screen:
W A T R H T R : S T A N D - B Y
> > > : 1 2 3 . 4 ° C ( 1 2 3 . 4 ° C )
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 : S e r v i c e
2 6 %
> > > 7 5 . 0 ° C
(
6 0 . 0 ° C )
"WATRHTR": It is an appliance for DHW.
"Service": It is operating in service mode.
"26%": The burner is firing at 26%.
"75,0°C": Max. allowable water temp. during service.
"60,0°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.