67
Coding in the delivered condition
Possible change
81:2
Use of the radio clock receiver (au-
tomatic recognition)
81:3
With LON communication module:
Control unit receives the time.
88:0
Temperature displayed in °C (Cel-
sius)
88:1
Temperature displayed in °F (Fah-
renheit)
8A:175
Do not adjust!
8F:0
Operation enabled in standard
menu and extended menu.
Note
The relevant code is only activated
when you exit the service menu.
8F:1
Operation disabled in standard
menu
and
extended menu.
Emissions test mode can be activa-
ted.
8F:2
Operation enabled in standard
menu, but disabled in extended
menu.
Emissions test mode can be activa-
ted.
90:128
Time constant for calculating the
changed outside temperature
21.3 h
90:1
to
90:199
Subject to the set value, the flow
temperature is adjusted quickly (low-
er values) or slowly (higher values)
when the outside temperature
changes.
1 step
≙
10 min
94:0
Do not adjust!
95:0
Without Vitocom 100 communica-
tion interface
95:1
With Vitocom 100 communication in-
terface (automatic recognition)
97:0
With LON communication module:
The outside temperature of the
sensor connected to the control
unit is used internally.
97:1
Control unit receives outside tem-
perature.
97:2
Control unit transmits outside tem-
perature to Vitotronic 200-H
98:1
Viessmann system number (in
conjunction with monitoring of sev-
eral systems via Vitocom 300)
98:1
to
98:5
System no. adjustable from 1 to 5
99:0
Do not adjust!
9A:0
Do not adjust!
9b:70
Set flow temperature for external
demand 70 °C
9b:0
to
9b:127
Set flow temperature for external de-
mand adjustable from 0 to 127 °C
(limited by boiler-specific parame-
ters)
9C:20
Monitoring LON subscribers.
If there is no response from a sub-
scriber for 20 min, the values
specified in the control unit are
used. Only then will a fault mes-
sage be issued.
9C:0
No monitoring
9C:5
to
9C:60
Time adjustable from 5 to 60 min
9F:8
Differential temperature 8 K; only
in conjunction with a heating circuit
with mixer
9F:0
to
9F:40
Differential temperature adjustable
from 0 to 40 K
"Boiler"
Select
"Boiler"
(see page 63).
Codes
Code 2
(cont.)
6136330
Codes