Screed Function - Viessmann VITOCAL 300 Installation And Service Instructions Manual

Mixer runtime
(cont.)
Setting range

Screed function

Four different temperature/time pro-
files are available for screed drying.
The function continues after a power
failure or after the control unit has
been switched OFF. The selected
heating program continues, if the
screed function has terminated in
accordance with the program or,
before its expiry, the temperature/time
profile "0" is selected.
The temperature/time profiles 5 to 15
regulate to the maximum flow tem-
perature.
Only one time program can be
enabled, even if 2 heating circuits are
connected.
!
Please note
High flow temperatures can
result in screed damage.
Observe the screed manufac-
turer's instructions regarding
the permissible flow tempera-
tures.
Note
Observe the specifications in
DIN 4725 [or local regulations]. The
report to be provided by the heating
contractor must contain the following
heat-up details:
& Heat-up data with respective flow
temperatures
& Actual maximum flow temperature
& Operating condition and outside
temperature during handover
0:05 to
4:15 min
Temperature/time profile 1 (to
DIN 4725)
A Flow temperature
B Days
Temperature/time profile 2 (to ZV
parquet and flooring technology)
A Flow temperature
B Days
Heating circuit control settings
109