Viessmann Vitovalor 300-P Installation And Service Instructions For Contractors page 102

Codes
Coding level 2
(cont.)
Coding in the delivered condition
86:... Never adjust
87:... Never adjust
88:0 Temperature displayed in °C (Cel-
sius)
8A:175 Never adjust
8F:0 Operation enabled in standard and
extended menu.
Note
The respective code is only ena-
bled when you exit the service
menu.
90:128 Time constant for calculating the
adjusted outside temperature
21.3 h
94:0 Without OpenTherm extension
95:0 Without Vitocom 100 type GSM
communication interface
97:0 With LON communication module:
The outside temperature of the
sensor connected to the control
unit is used internally.
98:1 With LON communication module:
Viessmann system number in con-
junction with monitoring several
systems via Vitocom 300
99:0 Never adjust
9A:0 Never adjust
9b:70 Set flow temperature for external
demand 70 °C
9C:20 With LON communication module:
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. (Only for weather-
compensated control units)
9F:8 Only for heating circuit with mixer:
Differential temperature 8 K (only
for weather-compensated control
units)
102
Possible change
88:1 Temperature displayed in °F (Fah-
renheit)
8F:1 Operation locked out in standard
and extended menu.
Emissions test mode can be ena-
bled.
8F:2 Operation enabled in standard
menu, but locked out in extended
menu.
Emissions test mode can be ena-
bled.
90:1 Subject to the set value, the flow
to temperature is adjusted quickly (low-
90:199 er values) or slowly (higher values)
when the outside temperature
changes.
1 step
94:1 With OpenTherm extension (auto-
matic recognition)
95:1 With Vitocom 100 communication in-
terface (automatic recognition)
97:1 The control unit receives the outside
temperature.
97:2 The control unit sends the outside
temperature to the Vitotronic 200-H.
98:1 System number adjustable from 1 to
to 5
98:5
9b:0 Set flow temperature for external de-
to mand adjustable from 0 to 127 °C
9b:127 (limited by boiler-specific parame-
ters)
9C:0 No monitoring
9C:5 Time adjustable from 5 to 60 min
to
9C:60
9F:0 Differential temperature adjustable
to from 0 to 40 K
9F:40
≙
10 min