Viessmann Vitoladens 300-C Installation And Service Instructions Manual page 75

Code 2
(cont.)
Parameter address With heating circuit pump logic function:
b5:...
Heating circuit pump "OFF"
7 RT
8 RT
Coding in the delivered condition
C5:20 Electronic minimum flow tempera-
ture limit 20 °C
C6:74 Electronic maximum flow tempera-
ture limit set to 74 °C
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 Heating circuit pump stays in con-
trol mode at "External blocking"
signal.
d7:0 Heating circuit pump stays in con-
trol mode at "External demand"
signal.
d8:0 No operating program changeover
via EA1 extension
E1:1 Do not adjust!
E2:50 With remote control: No display
correction of the actual room tem-
perature
E5:0 Without external variable speed
heating circuit pump
> RT 1 K
–
actual set
> RT 2 K
–
actual set
Heating circuit pump "ON"
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 The heating curve slope is adjusta-
to ble from 0.2 to 3.5 (see page 52)
d3:35
d4:–13 The heating curve level is adjustable
to from
–
d4:40
d5:1 The external operating program
changeover switches to "Constant
operation at standard room tempera-
ture" (subject to coding addresses
"3A", "3b" and "3C")
d6:1 Heating circuit pump is switched off
at "External blocking" signal (subject
to coding addresses "3A", "3b" and
"3C")
d6:2 Heating circuit pump is switched on
at "External blocking" signal (subject
to coding addresses "3A", "3b" and
"3C")
d7:1 Heating circuit pump is switched off
at "External demand" signal (de-
pending on coding addresses "3A",
"3b" and "3C")
d7:2 Heating circuit pump is switched off
at "External demand" signal (de-
pending on coding addresses "3A",
"3b" and "3C")
d8:1 Operating program changeover via
input DE1 at EA1 extension
d8:2 Operating program changeover via
input DE2 at EA1 extension
d8:3 Operating program changeover via
input DE3 at EA1 extension
E2:0 Display correction
to to
E2:49 Display correction
E2:51 Display correction +0.1 K
to to
E2:99 Display correction +4.9 K
E5:1 With external variable speed heating
circuit pump (automatic recognition)
Codes
2 K
–
3 K
–
13 to 40 (see page 52)
5 K
–
0.1 K
–
75