Technical data

39
08/06/06 - 300008460-001-B MCR 24, 24/28 MI, 30/35 MI, 34/39 MI
2 Commissioning
• Switch on the boiler. Activate the main switch in the installation.
• Commissioning cycle
Screen display:
- F XX: Software version
- P XX: Parameter version
• The boiler will begin an automatic venting-programm (which
lasts approx. 3 minutes) and will do this every time the power
supply is isolated. The version numbers are displayed
alternately.
The current operating status is shown on the display:
2.1 Display
• No display:
- Check that the boiler is switched on (230 V),
- Check the electrical connections,
- Check the fuse (F2 = 2 AT, 230 V).
• Breakdown codes:
- The symbol m flashes,
- A malfunction code indicates the nature of the breakdown (for
example:
E10 ),
- Correct the error if possible,
- Press key
 for 2 seconds: The boiler restarts.

After an E1, E2, E7, E10 or E13 error, the 3-minute air venting
cycle will take place before the boiler starts up.
2.2 Parameter display (See "Control panel")
2.3 Boiler setting
• "User" settings
Parameters P1 to P6 can be modified by the user in order to meet
central heating and DHW comfort needs.
• "Installer" settings
Parameters P17 to dF must only be modified by a qualified
professional.
Heating only:  production of domestic hot water: 
1: Fan ON 1: Fan ON
2: Boiler is igniting 2: Boiler is igniting
3: Operation: Heating mode 4: Operation: Domestic hot water mode
Heating only: condition satisfactory production of domestic hot water: condition satisfactory
1: Post-ventilation 1: Post-ventilation
6: Pump operation (Heating mode) 7: Pump operation (Domestic hot water mode)
0: Stand-by 0: Stand-by