Viessmann Vitocrossal 300 Service Instructions For Contractors page 74

Code 2
General
(cont.)
Coding in the delivered condition
95:0 Without Vitocom 100
communication interface
97:0 With LON communication
module: The outside tem-
perature of the sensor
connected to the control
unit is utilised internally
98:1 Viessmann system num-
ber (in conjunction with
monitoring several sys-
tems via Vitocom 300)
99:0 Never adjust
9A:0 Never adjust
9b:70 Set flow temperature for
external demand 70 °C
9C:20 Monitoring LON subscrib-
ers.
If a subscriber fails to
respond, the values
specified inside the con-
trol unit will be used after
20 min. Only then will a
fault message be issued.
9F:8 Differential temperature
8 K; only in conjunction
with a mixer circuit
74
Possible change
95:1 With Vitocom 100 commu-
nication interface (auto-
matic recognition)
97:1 Control unit receives the
outside temperature
97:2 Control unit transmits the
outside temperature to the
Vitotronic 200-H
98:1 System number adjustable
to from 1 to 5
98:5
9b:0 Set flow temperature for
to external demand adjusta-
9b:127 ble from 0 to 127 °C (limited
by boiler-specific parame-
ters)
9C:0 No monitoring
9C:5 Time adjustable from 5 to
to 60 min
9C:60
9F:0 Differential temperature
to adjustable from 0 to 40 K
9F:40