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Ferroli F 24 B - User Manual

Ferroli F 24 B
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wall-mounted gas fi red,
condensing combination boiler
FERROLI F 24 B
cod. 3540B29/1 - 04/2005
Seasonal Effi ciency
(SEDBUK)
band B
INSTRUCTIONS FOR USE, INSTALLATION AND MAINTENANCE

Table of Contents

Questions and Answers

  • J
    Joseph GibbsAug 21, 2025
    Why won't my Ferroli Boiler light for C.H.?
    • Z
      zmuellerAug 21, 2025
      If your Ferroli Boiler isn't lighting for central heating (C.H.), the problem is most likely with external controls such as clocks or room thermostats. If the heating demand light is illuminated, the C.H. sensor is likely the issue. If the light is off, suspect a clock or room thermostat isn't calling for heat. To bypass external controls, disconnect them from terminals 3 and 4 beneath the boiler and reinstall the link wire.
  • E
    emilyfreemanAug 30, 2025
    How to troubleshoot a Ferroli F 24 B that will not light for D.H.W.?
    • H
      Helen HernandezAug 30, 2025
      If your Ferroli Boiler isn't lighting for domestic hot water (D.H.W.), the issue is likely with the flow meter or D.H.W. sensor. If the tap symbol light is on, the D.H.W. sensor is the likely culprit. If the light is off, suspect the flow meter isn't operating correctly.
  • R
    Ryan PeckNov 9, 2025
    What to do if my Ferroli F 24 B Boiler will not light for D.H.W. or C.H.?
    • P
      Paul BullockNov 10, 2025
      If your Ferroli Boiler won't ignite for either domestic hot water (D.H.W.) or central heating (C.H.), the issue likely stems from a component shared by both systems. Here's a troubleshooting approach: Initiate demand by opening a hot tap. Check for a spark at the ignition electrode. If there's a spark, suspect a problem with the gas supply, pressure, or the gas valve itself. If there's no spark, verify if the fan is running. If the fan is running, the air pressure switch or overheat stat might be the cause. If the fan isn't running, check if the low water pressure light is flashing. If it is, increase the water pressure above 1 bar and see if the light turns off. If it doesn't, suspect a faulty low water pressure switch. If the light turns off and the fan starts, check if the boiler ignite...

Ferroli F 24 B Specifications

General IconGeneral
BrandFerroli
ModelF 24 B
CategoryBoiler
LanguageEnglish

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