Viessmann VITODENS 300 WB3A, Service Instructions Manual

Page: 57 / 148

Coding in
the as
delivered
condition
Address:
value Function mode Coding
change
Address:
value Possible change
Summer econ. M2
A5:5
* 1
With heating circuit
pump logic function
A5:0 Without heating circuit
pump logic function
Min. flow temp. A1
C5:20 Electronic limit of the
minimum flow tempera-
ture: 20 °C C5:1
to
C5:127 Minimum limit adjustable
from 1 to 127 °C
Min. flow temp. M2
C5:20 Electronic limit of the
minimum flow tempera-
ture: 20 °C C5:1
to
C5:127 Minimum limit adjustable
from 1 to 127 °C
Max. flow temp. A1
C6:75
* 1
Electronic maximum
flow temperature limit at
75 °C
C6:1
to
C6:127 Maximum limit adjustable
from 1 to 127 °C
Max. flow. temp. M2
C6:75
* 1
Electronic maximum
flow temperature limit at
75 °C
C6:1
to
C6:127 Maximum limit adjustable
from 1 to 127 °C
Slope A1
d3:14
* 1
Heating curve slope =
1.4
d3:2
to
d3:35 Heating curve slope
adjustable from 0.2 to 3.5
(see page 33)
Slope M2
d3:14
* 1
Heating curve slope =
1.4
d3:2
to
d3:35 Heating curve slope
adjustable from 0.2 to 3.3
(see page 33)
Level A1
d4:0
* 1
Heating curve level =
0
d4:
–
13
to
d4:40
Heating curve level
adjustable from
–
13 to 40
(see page 33)
Level M2
d4:0
* 1
Heating curve level =
0
d4:
–
13
to
d4:40
Heating curve level
adjustable from
–
13 to 40
(see page 33)
Code 1
(cont.)
41
Coding
56
92
550
GB
*1
Only for weather-compensated control units.