9VRT 230 Operating Manual
4.1 Setting the operating modes
Table 4.1 contains an overview of the
operating modes you can select.
• When the room thermostat is in nor-
mal display mode, press the dial once –
the symbol for the selected mode
flashes in the display.
• Turn the dial until the display shows
the operating mode you want.
The display switches back to normal
mode after five seconds.
Symbol Meaning
Automatic:
According to the timer programmes
set in the room thermostat, the
heating circuit switches between
heating mode and set-back mode
.
Heating:
The heating circuit is operated
according to the room temperature,
regardless of the programme set on
the room thermostat.
Set-back:
The heating circuit is operated
according to the set-back tem-
perature “ECO”, regardless of the
programme set on the room ther-
mostat.
Table 4.1 Operating modes
Operation 4
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