Viessmann VITODENS 300 WB3A, Service Instructions Manual

Page: 75 / 148

Coding in
the as
delivered
condition
Address:
value Function mode Coding
change
Address:
value Possible change
d3:35 (see page 33)
d4:0
* 3
Heating curve level =
0
d4:
–
13
to
d4:40
Heating curve level
adjustable from
–
13 to 40
(see page 33)
d5:0
* 3
The external operat-
ing mode changeover
changes the heating
program to "Constant
operation with reduced
room temperature"
d5:1 The external operating
mode changeover
changes the heating pro-
gram to "Constant opera-
tion with standard room
temperature"
E1:1
* 3
With remote control:
Set day value is adjus-
table at the remote con-
trol unit from 10 to
30 °C
E1:0 Set day value adjustable
from 3 to 23 °C
E1:2 Set day value adjustable
from 17 to 37 °C
E2:50
* 3
With remote control
unit and for the heating
circuit, heating with
room temperature hook-
up must be encoded:
No display correction of
the actual room tem-
perature
E2:0
to
E2:49 Display correction
–
5 K
or
Display correction
–
0.1 K
E2:51
to
E2:99 Display corr0.1 K
or
Display corr4.9 K
E5:0
* 3
Without variable
speed circuit pump
E5:1 With variable speed cir-
cuit pump; automatic
recognition
E6:65
* 3
Max. speed of the
variable speed pump =
65 % of max. speed in
standard mode
E6:0
to
E6:100 Maximum speed adjusta-
ble from 0 to 100 % of
max. speed
E7:30
* 3
Min. speed of the vari-
able speed pump =
30 % of max. speed
E7:0
to
E7:100 Minimum speed adjusta-
ble from 0 to 100 % of
max. speed
E8:1
* 3
Min. speed subject to
the setting in coding
address E9
E8:0 Speed subject to the set-
ting in coding address E7
Code 2
(cont.)
59
Coding
56
92
550
GB
*3
Only for weather-compensated control units.