Viessmann VITODENS 300 WB3A, Service Instructions Manual

Page: 67 / 148

Coding in
the as
delivered
condition
Address:
value Function mode Coding
change
Address:
value Possible change
80:1 With 5 seconds' time
delay for fault message;
message will be issued,
if a fault persists for at
least 5 seconds 80:0 Without time delay
80:2
to
80:199 Time delay adjustable
from 10 to 995; 1 step =
5 s
81:1 Automatic summer/win-
ter changeover 81:0 Manual summer/winter
changeover
81:2 The application of the
radio clock module will be
recognised automatically
81:3 Accept time via LON
88 :0 Temperature display in
Celsius 88 :1 Temperature display in
Fahrenheit
90:128 Time constant for calcu-
lating the adjusted out-
side temperature
21.3 hours 90:0
to
90:199 Fast (low values) or slow
(high values) matching of
flow temperature subject
to set value if the outside
temperature changes;
1 step = 10 min
91:0
* 1
No external operating
mode changeover via
external extension
91:1 External heating program
changeover applies to
heating circuit without
mixer
91:2 External heating program
changeover applies to
heating circuit with mixer
91:3 External heating program
changeover applies to
heating circuit without
mixer and heating circuit
with mixer
95:0 Without Vitocom 100
communication inter-
face 95:1 With Vitocom 100 com-
munication interface;
automatic recognition
Code 2
(cont.)
51
Coding
56
92
550
GB
*1
Only for weather-compensated control units.