Viessmann Vitotronic 200 Operating Instructions For The System User page 8

Introductory information
Your system is preset at the factory
Your heating system is therefore ready
for use:
Central heating/Central cooling
■ From 00:00 to 24:00 h your rooms are
heated to 20 °C "Set room temp."
(standard heating mode).
■ If a heating water buffer cylinder is
installed, it will be heated.
■ Cooling will be switched off.
■ Your heating contractor can make fur-
ther settings for you during commis-
sioning.
You can change any settings individu-
ally at any time to suit your require-
ments (see chapter "Central heating/
cooling").
DHW heating
■ Every day, DHW is heated from 00:00
to 24:00 h to 50 °C "Set DHW tem-
perature".
■ Any installed DHW circulation pump is
switched off.
■ Your heating contractor can make fur-
ther settings for you during commis-
sioning.
You can change any settings individu-
ally at any time to suit your require-
ments (see chapter "DHW heating").
Terminology
The appendix contains a chapter entitled
"Terminology" to provide you with a bet-
ter understanding of the functions of your
heat pump control unit.
8
(cont.)
Frost protection
■ Frost protection for your heat pump,
the DHW cylinder and any heating
water buffer cylinder that may be
installed is enabled.
Note
At temperatures below
frost protection of the heat pump, the
DHW cylinder and the heating water
buffer cylinder is only ensured if an
instantaneous heating water heater is
installed on site.
Winter/summertime changeover
■ This changeover is automatic.
Time and date
■ The day and time were set by your
heating contractor during commission-
ing.
Power failure
■ All data is saved if there is a power
failure.
− 20 °C, the