Your System Is Preset At The Factory - Viessmann VITOLIGNO 300-H Operating Instructions For The System User

Your system is preset at the factory

Your boiler's control unit is set at the fac-
tory.
■ The heating circuits are set to the
"Heating" operating program.
■ The domestic hot water heating is set
to the "DHW" operating program.
Your heating system is therefore ready
for operation:
Central heating
■ From 06:00 to 22:00 h your rooms are
heated to 22 °C "Set room temp"
(standard heating mode).
■ From 22:00 to 06:00 h your rooms are
heated with "Set red room temp"
(room temperature for reduced heat-
ing mode, night setback).
■ Your heating contractor can make fur-
ther settings for you during commis-
sioning.
You can change any settings at any
time to suit your individual require-
ments (see from page 22).
DHW heating
■ DHW is heated to 60 °C "Set DHW
temperature" every day from 00:00
to 24:00 h.
■ Your heating contractor can make fur-
ther settings for you during commis-
sioning.
You can change any settings at any
time to suit your individual require-
ments (see from page 35).
Introductory information
Frost protection
■ Your boiler, DHW cylinder and heating
water buffer cylinder are protected
against frost.
Wintertime/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 retained if there is a power
failure.
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