Viessmann VITODENS 242-F Installation And Service Instructions Manual page 104

Code 2
"General"
(cont.)
Coding in the delivered condition
94:0 Without OpenTherm ex-
tension
95:0 Without communication
interface Vitocom 100,
type GSM
97:0 With LON communication
module:
The outside temperature
of the sensor connected
to the control unit is utilis-
ed internally
98:1 With LON communication
module:
Viessmann system num-
ber (in conjunction with
monitoring several sys-
tems via Vitocom 300)
99:0 Do not adjust
9A:0 Do not adjust
9b:70 Set flow temperature for
external demand 70 °C
9C:20 With LON communication
module:
Monitoring LON subscrib-
ers
If there is no response
from a subscriber for
20 min, the values speci-
fied inside the control unit
are used. Only then will a
fault message be issued
(only for weather-com-
pensated control units)
9F:8 Only for heating circuit
with mixer:
104
Possible change
94:1 With OpenTherm exten-
sion (automatic recogni-
tion)
95:1 With Vitocom 100 commu-
nication interface (auto-
matic recognition)
97:1 Control unit receives out-
side temperature
97:2 The 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