3.2.7 Switching off the power supply
WARNING
When the main switch is switched off in heating mode:
The boiler is not controlled. Any resulting boiler malfunctions can cause serious
injury and damage.
Take the following precautions:
❒ Allow the fire to burn out completely and let the boiler cool
➥ ID fan switches off when "Off" status has been reached
(flue gas temperature < 80°C, boiler temperature < 65°C)
❒ Only then is it safe to switch off the main switch
❒ Turn off the main switch
➥ Boiler controller is switched off
➥ There is no power supply to any of the boiler components
NOTICE! Frost protection function is no longer active!
3
Operating the system
Heating the boiler
28 Froling GesmbH | A-4710 Grieskirchen, Industriestraße 12 | www.froeling.com
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