Viessmann Vitodens 333 Service Instructions Manual page 57

Code 2
(cont.)
Parameter ad- With heating circuit pump logic function: Heating cir-
dress b5:... cuit pump OFF, if
7: active RT
8: active RT
Coding in Function mode
the as de-
livered
condition
Address:
value
Boiler circuit, mixer circuit
* 1
C5:20 Electronic minimum
flow temperature limit in
standard mode 20 °C
* 1
C6:74 Electronic maximum
flow temperature limit:
74 °C
* 1
d3:14 Heating curve slope =
1.4
* 1
d4:0 Heating curve level =
0
* 1
d5:0 External operating
mode changeover
changes heating pro-
gram to "Constant op-
eration with reduced
room temperature"
* 1
E1:1 With remote control:
Set day value is adjus-
table at remote control
unit from 10 to 30 °C
* 1
E2:50 With remote control
unit and for heating cir-
cuit, heating with room
temperature hook-up
must be encoded: No
display correction of ac-
tual room temperature
*1
Only for weather-compensated control units.
> RT - 1 K; passive RT
Actual Set
> RT - 2 K; passive RT
Actual Set
Coding
change
Address:
value
C5:1
to
C5:127
C6:10
to
C6:127
d3:2
to
d3:35
d4:–13
to
d4:40
d5:1
E1:0
E1:2
E2:0
to
E2:49
E2:51
to
E2:99
Coding
< RT - 2 K
Actual Set
< RT - 3 K
Actual Set
Possible change
Minimum limit in standard
mode adjustable from 1
to 127 °C
Maximum limit adjustable
from 10 to 127 °C
Heating curve slope ad-
justable from 0.2 to 3.5
(see page 34)
Heating curve level ad-
justable from –13 to 40
(see page 34)
External operating mode
changeover changes
heating program to "Con-
stant central heating with
standard room tempera-
ture"
Set day value adjustable
from 3 to 23 °C
Set day value adjustable
from 17 to 37 °C
Display correction –5 K
to
Display correction –0.1 K
Display correction +0.1 K
to
Display correction +4.9 K
57