Viessmann VITODENS 343-F WS4A Installation And Service Instructions Manual page 82

Compact energy tower with a gas fired condensing boiler as compact model; natural gas and lpg version
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Coding
Code 2
(cont.)
Coding in the delivered condition
Boiler circuit, mixer circuit
C5:20
Electronic minimum
flow temperature limit
20 °C
C6:74
Electronic maximum
flow temperature limit
74 °C
d3:14
Heating curve slope =
1.4
d4:0
Heating curve level = 0
d5:0
The external heating
mode changeover
switches the heating
program to "Constant
operation with reduced
room temperature"
E1:1
With remote control: Set
day temperature is ad-
justable at the remote
control unit from 10 to
30 °C
E2:50
Heating with room tem-
perature hook-up must
be programmed for re-
mote control and for the
heating circuit: No dis-
play correction of the
actual room tempera-
ture
F1:0
Screed drying function
disabled (only for
weather-compensated
control units).
82
Possible change
C5:1
Minimum limit adjustable
to
from 1 to 75 °C
C5:75
C6:10
Maximum limit adjustable
to
from 10 to 75 °C
C6:75
d3:2
Heating curve slope ad-
to
justable from 0.2 to 3.5
d3:35
(see page 54)
d4: 13
Heating curve level ad-
to
justable from 13 to 40
d4:40
(see page 54)
d5:1
The external heating pro-
gram changeover
switches to "Constant
central heating with stan-
dard room temperature"
E1:0
Set day temperature ad-
justable from 3 to 23 °C
E1:2
Set day temperature ad-
justable from 17 to 37 °C
E2:0
Display correction 5 K
to
to
E2:49
Display correction -0.1 K
E2:51
Display correction +0.1 K
to
to
E2:99
Display correction +4.9 K
F1:1
Screed drying function
to
adjustable in accordance
F1:5
with five optional tem-
perature/time profiles
(see page 122)
F1:6
Constant flow tempera-
to
ture 20 °C
F1:15

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