Viessmann VITODENS 300 WB3A, Инструкция по эксплуатации

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Coding in
the as
delivered
condition
Address:
value Function mode Coding
change
Address:
value Possible change
A2:2 With DHW cylinder
priority applicable to
heating circuit pump
and mixer A2:0 Without DHW cylinder
priority applicable to
heating circuit pump and
mixer
A2:1 With DHW priority applic-
able to mixer: The mixer
is closed whilst DHW is
loaded; the heating cir-
cuit pump operates
* 1
A2:3
to
A2:15 Reduced priority appl. to
mixer; i.e. the heating cir-
cuit receives a reduced
amount of energy
* 1
A3:2
* 2
Outside temperature
below 1 °C: Heating cir-
cuit pump ON
Outside temperature
above 3 °C: Heating cir-
cuit pump OFF
Note
When selecting a value
below 1 °C there will be
a risk of pipes outside
the thermal insulation
envelope of the house
freezing-up. The
standby mode, in parti-
cular, should be
observed, e.g. during
holidays.
A3:-9
to
A3:15 Heating circuit pump ON/
OFF (see the following
table)
Code 2
(cont.)
53
Coding
56
92
550
GB
*1
Only adjustable for mixer circuit M2.
*2
Only for weather-compensated control units.