33VRT 360 Installation Manual
Start-up 11
Display Set by turning the dial
Anti-legionnaire’s disease
system
1 = Activate the anti-legion-
naire‘s disease programme.
Every Wednesday, one hour
before the first time win-
dow, a connected hot water
cylinder is heated to 70 °C,
and the circulation pump is
switched on and operated
at 70 °C for at least 30 min-
utes.
Default setting: 0 (off)
Display Set by turning the dial
Two-point/analogue opera-
tion
Switching to two-point/
analogue operation.
The room thermostat is sup-
plied with two-point control
(set value 0). You can set it
to analogue mode by chang-
ing the parameter to 1.
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