WARNING
Inspection and cleaning work on a system which is operational:
Risk of serious injuries from automatic startup of the system and severe burns
from hot parts and the flue gas pipe!
When working on the system:
❒ always wear protective gloves
❒ only operate the boiler using the handles provided
❒ switch off the boiler by tapping “Boiler off” at the mode icon
➥ The boiler follows the shutdown procedure and switches to “Switched off
OFF“ status
❒ switch off the main switch and take precautions to prevent accidental
switching on
❒ allow the boiler to cool off for at least 1 hour
❒ once all of the tasks have been completed, turn the main switch back on and
switch the boiler on in the desired mode
2.8 Emergency procedure
2.8.1 Overheating of the system
If the system overheats and the safety devices fail, proceed as follows:
NOTICE! Do not under any circumstances switch off the main switch or disconnect the
power supply.
❒ Keep all the doors on the boiler closed
❒ Open all mixing valve taps, switch on all pumps.
➥ The Froling heating circuit control performs this function in automatic operation.
❒ If a third-party controller is used, carry out the appropriate measures to activate
the mixer taps and pumps manually.
❒ Leave the boiler room and close the door
❒ Increase heat consumption by turning on all radiators and other appliances
❒ Open any available radiator thermostat valves
If the temperature does not drop:
❒ Contact the installer or Froling customer services
⇨ See "Addresses" [page 60]
Safety
2
Emergency procedure
Operating Instructions | B1300015_en
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