Vitotronic 300, GW2B Installation and Service
5693 982 - 04
104
“General” Group
(continued)
Code 2
Coding in the factory set condition
Possible change
97:2
With LON communication module:
The control unit sends the outside
temperature to the Vitotronic 200-H.
97:0
The outside temperature of the sensor
connected to the control unit is only utilized
internally.
97:1
The control unit receives the outside
temperature from the Vitotronic 200-H.
98:1
With LON communication module:
Viessmann system number (in conjunction
with monitoring several systems via Vitocom
300).
98:1
to
98:5
System number adjustable from 1 to 5.
99:0
Connection at terminals 2 and 3 in plug
a
V
D
disabled (external blocking/ external “Mixing
valve closed”) (see page 55).
99:1
No function.
99:2
External “Mixing valve closed”
Heating circuit with mixing valve M2
(heating circuit 2).
99:3
No function.
99:4
External “Mixing valve closed”
Heating circuit with mixing valve M3
(heating circuit 3).
99:5
No function.
99:6
External “Mixing valve closed”
Heating circuits with mixing valve M2
(heating circuit 2) and M3 (heating circuit 3).
99:7
No function.
99:8
External blocking.
99:9
No function.
99:10
External blocking/external
“Mixing valve closed”
Heating circuits with mixing valve M2
(heating circuit 2) and M3 (heating circuit 3).
99:11
No function.
99:12
External blocking/external
“Mixing valve closed”
Heating circuit with mixing valve M3
(heating circuit 3).
99:13
No function.
99:14
External blocking/external
“Mixing valve closed”
Heating circuits with mixing valve M2
(heating circuit 2) and M3 (heating circuit 3).
99:15
No function.
