Commissioning The Boiler - DeDietrich MS 24 MI FF Operating And Installation Instructions

To light the boiler correctly, proceed as follows:
1) power the boiler
2) open the gas tap;
3) press the button ( and switch the boiler to Summer (
)
4) press the heating circuit (
the main burner.
When the boiler is lit, the symbol ( ) will appear on the display.
In the Summer position (
WARNING
During initial ignition, the burner may not ignite (causing the boiler to shut down) until any air in the gas pipes is vented. In
this case, repeat the ignition procedure until gas reaches the burner. Press button ( ), for at least 2 seconds.
SYMBOL KEY
Operation in the heating mode
Flame present (burner on)
No flame (ignition failure)
Operation in the DHW mode
Generic fault
RESET
No water (Low system pressure)
Numerical signal (Temperature, fault code, etc.)
Figure 1
OPERATING INSTRUCTIONS

3. COMMISSIONING THE BOILER

+/-
) and domestic hot water circuit (
) the main burner will only ignite if a DHW tap is opened.
), Winter ( ) or heating only (
) temperature adjustment buttons (
BUTTON KEY
On / Off / Summer / Winter / heating only
+/-
( ) : CH temperature adjustment
+/-
( ) : DHW temperature adjustment
Reset
Information
70
);
) in order to ignite
71.03982.03 - EN