Screed Drying - Viessmann Vitoladens 300-C Installation And Service Instructions Manual

Function description
Control functions
(cont.)
External demand
Input DE1
Input DE2
Input DE3
The effect on the relevant heating circuit pump is
selected with coding address "d7".

Screed drying

The screed drying function enables screeds to be
dried. For this, always observe the details specified by
the screed manufacturer.
When screed drying is activated, the heating circuit
pump of the mixer circuit is switched on and the flow
temperature is held in accordance with the selected
profile. After completion (30 days), the mixer circuit will
automatically be regulated via the set parameters
again.
Observe EN 1264. The report to be provided by the
heating contractor must contain the following details
regarding heat-up:
Temperature profile 1: (EN 1264-4) code "F1:1"
50
40
30
20
10
1 5 10
Fig. 68
Temperature profile 2: (ZV parquet and flooring technology) code "F1:2"
50
40
30
20
10
1 5 10
Fig. 69
Temperature profile 3: Code "F1:3"
50
40
30
20
10
1 5 10
Fig. 70
94
15 20 25 30
Days
15 20 25 30
Days
15 20 25 30
Days
The set minimum boiler water temperature for ext.
demand is selected in coding address "9b".
Heat-up data with the relevant flow temperatures
■
■ Max. flow temperature achieved
■ Operating state and outside temperature at handover
The various temperature profiles are adjustable via
coding address "F1".
The function continues after a power failure or after the
control unit has been switched off. "Heating and DHW"
is started when screed drying is finished or if code
"F1:0" is set manually.
Code
3A:2
3b:2
3C:2