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DeDietrich ZENA MS 24 FF - User Manual

DeDietrich ZENA MS 24 FF
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MS 24 MI FF - MS 24 FF
MS 24 MI - MS 24 MI VMC - MS 24
0051
Chaudière murale à gaz haut rendement
Notice d’installation, d’utilisation et d’entretien
FR
Caldaia murale a gas ad alto rendimento
Manuale per l’uso destinato all’utente ed all’installatore
+LJKSHUIRUPDQFHJDV¿UHGZDOOPRXQWHGERLOHU
Operating and installation instructions
Caldera mural de gas de alto rendimiento
Manual para el usuario y el instalador
IT
EN
ES
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Questions and Answers

  • J
    jessica61Aug 7, 2025
    What to do if my DeDietrich ZENA MS 24 FF Boiler experiences a safety thermostat trip?
    • S
      stevensbrianAug 7, 2025
      If the safety thermostat trips on your DeDietrich Boiler, press and hold down the “R” button for at least 2 seconds. If the problem continues, further assistance is needed.
  • W
    William MorrisonAug 12, 2025
    What to do if my DeDietrich Boiler shuts down after 6 consecutive flame losses?
    • N
      Nicholas CummingsAug 13, 2025
      If your DeDietrich Boiler shuts down after six consecutive flame losses, press and hold down the “R” button for at least 2 seconds. If the issue persists, further assistance is needed.
  • J
    jerrymillerAug 17, 2025
    How to fix a failed ignition shutdown on my DeDietrich Boiler?
    • C
      Carl CurtisAug 17, 2025
      To address a failed ignition shutdown on your DeDietrich Boiler, press and hold down the “R” button for at least 2 seconds. If the fault continues, further assistance is needed.
  • B
    bethanyromeroAug 23, 2025
    What to do if my DeDietrich ZENA MS 24 FF shows a parasite flame (flame error)?
    • J
      Jennifer TerryAug 23, 2025
      If your DeDietrich Boiler indicates a parasite flame error, press and hold down the “R” button for at least 2 seconds. If the problem persists, further assistance is needed.
  • S
    stephanie42Aug 27, 2025
    What to do if my DeDietrich ZENA MS 24 FF Boiler is switching off due to reductions in power supply?
    • J
      John NelsonAug 27, 2025
      When a DeDietrich Boiler switches off due to reductions in power supply, the reset is automatic. If the problem continues, further assistance is needed.
  • R
    Robin ThompsonSep 1, 2025
    What to do if my DeDietrich Boiler has a Hydraulic pressure switch block?
    • J
      Jack MichaelSep 1, 2025
      If your DeDietrich Boiler experiences a hydraulic pressure switch block, check that the pressure in the system is correct. Further assistance is needed if the fault persists.

Summary

1. INSTRUCTIONS PRIOR TO INSTALLATION

DHW Circuit Precautions

Precautions for the Domestic Hot Water (DHW) circuit, including water hardness.

Heating Circuit Preparation

Steps for preparing the heating circuit, including cleaning new and existing systems.

3. COMMISSIONING THE BOILER

4. ADJUSTING TEMPERATURE SETTINGS

5. OPERATING MODES

6. SYSTEM FILLING AND SHUTDOWN

Filling the System

Instructions on how to fill the heating system and check pressure.

8. GAS CONVERSION

9. PROLONGED SHUTDOWN AND FROST PROTECTION

10. TROUBLESHOOTING

Error Code Resolution

Table detailing error codes displayed by the boiler and their solutions.

11. ROUTINE MAINTENANCE

12. GENERAL INFORMATION FOR FITTERS

13. INSTRUCTIONS PRIOR TO INSTALLATION

Checks and precautions for the DHW and heating circuits before installation.

14. INSTALLING THE BOILER

16. INSTALLING THE FLUE AND AIR DUCTS

SEPARATE FLUE AND AIR DUCTS

17. ELECTRICAL CONNECTIONS

Power Supply and Wiring

Instructions for connecting the boiler to the mains power supply and wiring requirements.

18. CONNECTING THE ROOM THERMOSTAT

19. GAS CONVERSION

Calibrating the Pressure Regulator

Steps for adjusting the gas pressure regulator for different gas types and outputs.

19.1 GAS VALVE CALIBRATION FUNCTION

20. VISUALISATION OF PARAMETERS ON THE DISPLAY (INFO FUNCTION)

21. PARAMETER SETTINGS

22. ADJUSTMENT AND SAFETY DEVICES

Boiler Safety Devices

Details on safety devices like air pressure switch and fumes thermostat.

23. POSITIONING THE IGNITION AND FLAME-SENSING ELECTRODE

24. CHECKING COMBUSTION PARAMETERS

26. CONNECTING THE EXTERNAL SENSOR

27. CONNECTING AN EXTERNAL STORAGE BOILER

28. ANNUAL SERVICING

29. DRAINING THE BOILER CIRCUIT

30. CLEANING THE FILTERS

31. REMOVING SCALE FROM THE DHW CIRCUIT

32. DISMOUNTING THE WATER-WATER HEAT EXCHANGER

DeDietrich ZENA MS 24 FF Specifications

General IconGeneral
Heat output24 kW
TypeCondensing
Fuel TypeNatural gas / LPG
MountingWall-mounted
EfficiencyUp to 109%

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