Viessmann Vitodens 222-F B2TA series, Инструкция по установке и обслуживанию

Страница: 105 / 196

105
Coding in the delivered condition Possible change
No room temperature-de-
pendent heating circuit
pump logic function (only
for weather-compensa-
ted control units)
Parameter ad-
dress b5:... With heating circuit pump logic function:
Heating circuit pump "OFF"
Heating circuit pump "ON"
1 RT
actual
> RT
set
+ 5 K RT
actual
< RT
set
+ 4 K
2 RT
actual
> RT
set
+ 4 K RT
actual
< RT
set
+ 3 K
3 RT
actual
> RT
set
+ 3 K RT
actual
< RT
set
+ 2 K
4 RT
actual
> RT
set
+ 2 K RT
actual
< RT
set
+ 1 K
5 RT
actual
> RT
set
+ 1 K RT
actual
< RT
set
6 RT
actual
> RT
set
RT
actual
< RT
set
– 1 K
7 RT
actual
> RT
set
– 1 K RT
actual
< RT
set
– 2 K
8 RT
actual
> RT
set
– 2 K RT
actual
< RT
set
– 3 K
Coding in the delivered condition Possible change
C5:20 Electronic minimum flow
temperature limit 20 °C
(only in operation with
standard room tempera-
ture; only for weather-
compensated control
units) C5:1
to
C5:127 Minimum limit adjustable
from 1 to 127 °C (limited by
boiler-specific parameters)
C6:74 Electronic maximum flow
temperature limit 74 °C
(only for weather-com-
pensated control units) C6:10
to
C6:127 Maximum limit adjustable
from 10 to 127 °C (limited
by boiler-specific parame-
ters)
d3:14 Heating curve slope =
1.4 d3:2
to
d3:35 Heating curve slope adjust-
able from 0.2 to 3.5 (see
page 70)
d4:0 Heating curve level = 0 d4:–13
to
d4:40 Heating curve level adjust-
able from –13 to 40 (see
page 70)
Code 2
"Heating circuit ..."/group 5
(cont.)
5773 216 GB
Service