Viessmann VITODENS 222-F Service Instructions Manual page 50

Code 2
General
(continued)
Value address System version
00: ...
8 5
10 5
Coding in the factory setting
11:≠ 9
25:1
32:0
33:1
34:0
35:0
36:0
50
Description
One heating circuit with mixing valve M2 (heating circuit 2) and
one heating circuit with mixing valve M3 (heating circuit 3),
(code is adjusted automatically).
One heating circuit without mixing valve A1 (heating circuit 1),
one heating circuit with mixing valve M2 (heating circuit 2) and
one heating circuit with mixing valve M3 (heating circuit 3),
(code is adjusted automatically).
No access to the coding
addresses for the combustion
controller parameters
With outside temperature
sensor (automatic recognition)
Without extension AM1
Function output A1 at
extension AM1: Heating
circuit pump
Function output A2 at
extension AM1: DHW
circulation pump
Without extension EA1
Function, output aBJ at
extension EA1: Fault message
Vitodens 222-F B2TA 19 and 35 Service
Possible change
11:9 Access open to the coding
addresses for the combustion
controller parameters.
25:0 Without outside temperature
sensor (for constant temperature
control units)
32:1 With extension AM1 (automatic
recognition).
33:0 Function output A1: DHW
circulation pump.
33:2 Function output A1: Circulation
pump for DHW tank heating.
34:1 Function output A2: Heating
circuit pump.
34:2 Function output A2: Circulation
pump for DHW tank heating.
35:1 With extension EA1 (automatic
recognition).
36:1
Function output aBJ: Feed pump.
36:2
Function output aBJ: DHW
recirculation pump.