Viessmann FB2B Installation And Service Instructions Manual page 77

General
(cont.)
Value System
address version
00: ...
2 1
4 2
6 3, 4
8 5
10 5
Coding in the delivered condition
No access to the coding
11:≠9
addresses for the com-
bustion controller param-
eters
32:0 Without extension AM1
33:1 Function output A1 at
extension AM1: Heating
circuit pump
34:0 Function output A2 at
extension AM1: DHW cir-
culation pump
35:0 Without extension EA1
36:0 Function output aBJ at
extension EA1: Fault
message
Description
One heating circuit without mixer A1 (heating circuit 1), with
DHW heating (code is adjusted automatically)
One heating circuit with mixer M2 (heating circuit 2), with
DHW heating
One heating circuit without mixer A1 (heating circuit 1) and
one heating circuit with mixer M2 (heating circuit 2), with DHW
heating (code is adjusted automatically)
One heating circuit with mixer M2 (heating circuit 2) and one
heating circuit with mixer M3 (heating circuit 3), with DHW
heating
One heating circuit without mixer A1 (heating circuit 1), one
heating circuit with mixer M2 (heating circuit 2) and one heat-
ing circuit with mixer M3 (heating circuit 3), with DHW heating
(code is adjusted automatically)
Possible change
11:9
32:1
33:0
33:2
34:1
34:2
35:1
36:1
36:2
Code 2
Access open to the coding
addresses for the combus-
tion controller parameters
With extension AM1 (auto-
matic recognition)
Function output A1: DHW
circulation pump
Function output A1: Circu-
lation pump for cylinder
heating
Function output A2: Heat-
ing circuit pump
Function output A2: Circu-
lation pump for cylinder
heating
With extension EA1 (auto-
matic recognition)
Function output aBJ: Feed
pump
Function output aBJ: DHW
circulation pump
77