Viessmann WB2-44 - Overview of Coding Addresses

Additional Information
52
Control Unit for Weather-Responsive Operation
with programming unit
(continued)
Overview of coding addresses
Coding addresses not discussed in this section must not be
changed.
See page 50 for information of how to access coding addresses.
Coding (factory
default setting)
Address: Value
Function mode Coding
change
Address: Value
Possible change
000:000 One heating circuit without mixing valve,
system without domestic hot water heat-
ing
000:001
*1
000:002
*2
000:003
*1, 2
One heating circuit without mixing valve,
system with domestic hot water heating
One heating circuit with mixing valve,
system without domestic hot water heating
One heating circuit with mixing valve,
system with domestic hot water heating
001:000 Do not change
003:001 DHW
tank
With priority switching over
heating circuit pump(s)
003:000 Without priority switching over heating circuit
pump(s)
004:000 Do not change
005:001 Heating
circuit
pump
With heating circuit pump
logic function
005:000 Without heating circuit pump logic function
006:001 Heating
circuit
pump
Heating circuit pump speed in
reduced range as per
coding address ”044:...”
006:000 Heating circuit pump speed in reduced range
as per coding address ”046:...”
007:000 DHW
tank
Setting range of domestic hot
water temperature
50 to 140 ºF/10 to 60 ºC
007:001 Setting range of domestic hot water tempera-
ture 50 to 158 ºF/10 to 70 ºC
Note max. tank water temperature.
IMPORTANT
IMPORTANT
Do not adjust domestic hot water
temperature more than 140 ºF/
60 ºC.
008:000 Do not change
009:000 Program-
ming unit
Display of boiler water
temperature
009:001 Display of outdoor temperature
010:000 Do not change
011:000 External call for heat or external
switching of heating program blocked
011:001 External call for heat or external switching of
heating program active at X4.1 - X4.2
012:000 Do not change
013:000 Heating
circuit
pump
Heating circuit pump without
variable speed operation (e.g.
as temporary measure for
servicing)
013:001 With variable speed heating circuit pump (au-
tomatic
recognition)
014:000
*3
Heating
circuit
Party button ”g” effective
for heating circuit B
014:001
*3
Party button ”g” effective for heating circuit
A and heating circuit B
015:001 Do not change
*1
Coding for systems with domestic hot water heating is automatically recognized.
*2
These codings also apply on systems with one heating circuit without mixing valve and one heating circuit with mixing valve.
*3
Only on heating system types ”000:002” and ”000:003” (heating systems with one heating circuit with mixing valve).
5285 961 v1.3