Technical data

25
STATUS
RESET TEST
ECO
ECO
PLUS
Fig 6.3a
6.2 appliance operation
The start of operation of theMidimat heating boiler should commence only after the following points
have been checked:
Flue system
● Check that the flue system is correctly assembled.
● Ensure that the connections for the condensate drain are water tight and the condensate can be freely
drained.
Electrical connections
● ON/OFF switch set to OFF.
● Check the polarity of the power supply.
Water
Check that the setting of the safety valve is correct. Max boiler operating pressure 6 bar.
System controls
● Set all system controls to the required set points.
6.3 initial
lighting/commissioning
TheMidimat must be regulated with regard to
the CO
2
content in the flue gas.
Note: Regulation via the burner pressure is not
possible.
N V
+2
+1
-2
-1
1
1.5
2
3
0.75
0
NL VL
Fig 6.3b
Display
Reset Button Engineers Button Test Button
On/Off
Switch
ECO/ECO
Plus Switch
Has no Function
gas valve adjustment
Gas
Valve
“N” minimum
burner output
adjustment
“V” maximum
burner output
adjustment