Viessmann Vitoladens 300-W Installation And Service Instructions Manual page 63

Heating circuit 1, heating circuit 2, heating...
Coding in the delivered condition
Change code only for the heating
circuit with mixer.
Parameter address With heating circuit pump logic function:
b5:...
Heating circuit pump "OFF"
1 RT
2 RT
3 RT
4 RT
5 RT
6 RT
7 RT
8 RT
Coding in the delivered condition
C5:20 Electronic minimum flow tempera-
ture limit 20
C6:74 Electronic maximum flow tempera-
ture limit set to 74
d3:14 Heating curve slope = 1.4
d4:0 Heating curve level = 0
d5:0 External operating program
changeover switches operating
program to "Constant operation at
reduced room temperature" or
"Standby mode"
d6:0 At signal "External blocking" the
heating circuit pump stays in con-
trol mode
d7:0 At signal "External demand" the
heating circuit pump stays in con-
trol mode
d8:0 No operating program changeover
via EA1 extension
RT + 5 K
>
actual set
RT + 4 K
>
actual set
RT + 3 K
>
actual set
RT + 2 K
>
actual set
RT + 1 K
>
actual set
RT
>
actual set
RT - 1 K
>
actual set
RT - 2 K
>
actual set
C
°
C
°
(cont.)
Possible change
Heating circuit pump "ON"
RT < RT
actual set
RT < RT
actual set
RT < RT
actual set
RT < RT
actual set
RT < RT
actual set
RT < RT
actual set
RT < RT
actual set
RT < RT
actual set
Possible change
C5:1 Minimum limit adjustable from 1 to
to 127 C (limited by boiler-specific pa-
°
C5:127 rameters)
C6:10 Maximum limit adjustable from 10 to
to 127 C (limited by boiler-specific pa-
°
C6:127 rameters)
d3:2 Heating curve slope adjustable from
to 0.2 to 3.5 (see page 39)
d3:35
d4:–13 Heating curve level adjustable from
to 13 to 40 (see page 39)
–
d4:40
d5:1 The external operating program
changeover switches to "Constant
operation at standard room tempera-
ture" (subject to coding address 3A,
3b and 3C)
d6:1 At signal "External blocking" the
heating circuit pump is stopped
(subject to coding addresses 3A, 3b
and 3C)
d6:2 At signal "External blocking" the
heating circuit pump is started (sub-
ject to coding addresses 3A, 3b and
3C)
d7:1 At signal "External demand" the
heating circuit pump is stopped
(subject to coding addresses 3A, 3b
and 3C)
d7:2 At signal "External demand" the
heating circuit pump is started (sub-
ject to coding addresses 3A, 3b and
3C)
d8:1 Operating program changeover via
input DE1 at EA1 extension
Code 2
+ 4 K
+ 3 K
+ 2 K
+ 1 K
- 1 K
- 2 K
- 3 K
63