Download Viessmann GW2 Technical data

Additional information
Coding 2 (continued)
Overview of all codings (continued)
5285 941 v.1.5
Coding as per Function
factory setting
Address: Value
New coding
Address:
Value
Possible change
88: 0
General
Temperatures displayed in
Celsius
88: 1
Temperatures displayed in Fahrenheit
89: 1
General
Automatic participant
recognition on KM-BUS
89: 0
No participant reognition
8A: 175
General
Display of codings which
can be set for the system
type concerned
8A: 176
All codings displayed regardless of system type
and equipment installed
8E: 4
General
8E: 0
Display and
acknowledgment of faults:
on the programming unit and 8E: 1
all Vitotrol remote controls
installed
Only on the programming unit of the control
unit
8E: 2
On the programming unit of the control unit
and on the remote control for mixing valve
circuit M2
8E: 3
On the programming unit of the control unit
and on the remote control for mixing valve
circuit M3
On the programming unit of the control unit
and on the remote control for system circuit
A1
90: 128
General
Time constant for
calculating the outdoor
temperature change
21.3 hours
90: 0
to
90: 199
Fast matching (lower values) or slow matching
(higher values) of the supply temperature to
the change in the outdoor temperature
according to the selected value;
1 increment = 10 minutes
91: 0
General
Without changeover of the
heating program
91: 1
91: 2
With changeover of the heating program
(connection via plug aVD):
Changeover effective for: System circuit A1
Mixing valve circuit M2
91: 3
System circuit A1 and mixing valve circuit M2
91: 4
Mixing valve circuit M3
91: 5
System circuit A1 and mixing valve circuit M3
91: 6
Mixing valve circuits M2 and M3
91: 7
All heating circuits (A1, M2, M3)
93: 1
Central fault indication in emissions test
mode/service display effective for central fault
92: 165
General
Do not adjust!
Will only display if coding
address “8A: 176” is set
Central fault indication in
emissions test mode/service
display not effective for
central fault
93: 0
General
94: 0
General
Without plug-in adaptor for
external safety equipment
94: 1
With plug-in adaptor for external safety
equipment; recognized automatically
96: 1
General
With mixing valve extension
circuit board
96: 0
Without mixing valve extension circuit board
125