40
Coding
Coding 1
(cont.)
Summary
Coding in the factory default setting Possible change
77: 10
LON participant number 77: 1
to
77: 99
LON participant number adjustable from 1 to 99
Please note!
Allocate each number only once.
A2: 2 With viessmann 2-wire BUS communication
module:
DHW priority control for heating circuit pump and
A2: 0 Without DHW priority
mixing valve
A2: 1 The mixing valve and the heating circuit pump
runs, while the DHW tank is being loaded
A2: 3
to
A2: 15
No function
A5: 5 With heating circuit pump logic function A5: 0 Without heating circuit pump function
C5: 20 Electronic minimum supply temperature 20ºC /
68ºF
(only during operation with standard room
temperature)
C5: 1
to
C5:127
Minimum limit adjustable from 1 to 127ºC / 34 to
261ºF
C6: 75 Electonic maximum supply temperature 75 ºC /
167 ºF
C6: 10
to
C6:127
Maximum limit adjustable from 10 to 127ºC / 50
to 261ºF
CA: 0 Rotational direction
Mixing valve actuator
CA: 1 Rotational direction reversed
5285 967 v1.2