Commissioning - DeDietrich MCR 24 Technical Instructions

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 current operating status is shown on the display:
Heating only:
1: Fan ON
2: Boiler is igniting
3: Operation: Heating mode
Heating only: condition satisfactory
1: Post-ventilation
6: Pump operation (Heating mode)
0: Stand-by
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 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.
08/06/06 - 300008460-001-B
• 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.
production of domestic hot water:
1: Fan ON
2: Boiler is igniting
4: Operation: Domestic hot water mode
production of domestic hot water: condition satisfactory
1: Post-ventilation
7: Pump operation (Domestic hot water mode)
0: Stand-by
MCR 24, 24/28 MI, 30/35 MI, 34/39 MI
39