Download Viessmann GW2 Technical data

Additional information
Coding 2
(continued)
Coding as per Function
factory setting
Address: Value
97: 2
General
New coding
Address:
Value
Possible change
The outdoor temperature of
the sensor connected to the
control unit is transmitted
via the LON BUS to any
Vitotronic 200-H units
which may be connected
97: 0
Not transmitted to heating circuit controls
97: 1
The outdoor temperature is acepted by any
heating circuit controls which may be
connected
98: 1
General
Viessmann system number
(in conjunction with
monitoring of several
systems within one LON
BUS system)
98: 1
to
98: 5
System number selectable from 1 to 5
99: 0
General
Connection at terminals ”2”
and ”3” in plug aVD
(External disable/”Close
mixing valve” externally not
active)
99: 1
Contact effective for:
Without function
99: 2
”Close mixing valve”, mixing valve circuit M2
99: 3
Without function
99: 4
”Close mixing valve”, mixing valve circuit M3
99: 5
Without function
99: 6
”Close mixing valve”, mixing valve circuits M2
and M3
99: 7
Without function
99: 8
External disable
99: 9
Without function
99: 10
External disable and ”Close
mixing valve”, mixing valve circuit M2
99: 11
Without function
99: 12
External disable and ”Close
mixing valve”, mixing valve circuit M3
99: 13
Without function
99: 14
External disable and ”Close mixing valve”,
mixing valve circuits M2 and M3
99: 15
Without function
9A: 1
Contact effective for:
Without function
9A: 2
”Open mixing valve”, mixing valve circuit M2
9A: 3
Without function
9A: 4
”Open mixing valve”, mixing valve circuit M3
9A: 5
Without function
9A: 6
”Open mixing valve”, mixing valve circuits M2
and M3
9A: 7
Without function
9b: 0
Input aVH blocked
9b: 1
to
9b: 127
Desired supply temperature selectable from
1 to 127°C / 34 to 261°F
9A: 0
9b: 70
126
General
General
Connection at terminals ”1”
and ”2” in plug aVD
(”Open mixing valve”
externally not active)
Desired supply temperature
70 °C / 158 °F with
external request (input aVH)
5285 941 v.1.5
Overview of all codings (continued)