Modifying And Scanning Time Programs; General Notes - Viessmann VITODENS series Operating Instructions Manual

General notes

You can set time programs for central heating and DHW loading with DHW cir-
culation (subject to a DHW cylinder or an instantaneous water heater being
installed).
The time program comprises four time
phases, i.e.
& for central heating, up to four
changes per day between standard
room temperature and reduced
room temperature can be pro-
grammed.
& DHW heating and DHW circulation
pump (if connected to the control
unit) can be activated/deactivated
up to four times per day.
Key Time program for
A
Central heating
B
DHW loading and
DHW circulation pump (if con-
nected to the control unit)
You can select identical time pro-
grams for all weekdays or individual
programs for each day. Take the
response time of your heating system
into consideration when adjusting the
time programs. Select correspond-
ingly earlier start-up and shutdown
times.

Modifying and scanning time programs

At the factory, time phase 1 is set for
all weekdays. During that time
& rooms will be heated with standard
room temperature, and
& DHW will be loaded and the DHW
circulation pump started (if con-
nected to the control unit).
The following keys are allocated to
the time programs:
Basic factory settings
Standard room temperature 6:00
to 22:00 h
ON: 05:30 to 22:00 h
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