14 | Operation
6 720 644 144 (2010/09)
4 Operation
These Operating Instructions apply only to the boiler.
Depending on the heating controller used, some functions may be
controlled differently.
The following possibilities for controlling the heating system may
be employed:
• weather-dependent controller built into the boiler Æ page 16,
item 7.
• weather-dependent controller external to the appliance
• room thermostat
Therefore, please read the operating instructions
for the heating controller used.
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