149
5790 733 - 07
Vitocrossal 300 CA3 Series 2.5 to 6.0 Installation/Service
Coding Level 2
“General” Group
(continued)
Coding in the factory set condition
Possible change
“Function output 157 at EA1 extension”
5c:0
Function output
aBJ
at EA1 extension:
Central fault message
5c:1
Feed pump
5c:2
No function
5c:3
Heating circuit pump, heating circuit without
mixing valve A1 (heating circuit 1), switched
to low speed (reduced mode).
5c:4
Heating circuit pump, heating circuit with
mixing valve M2 (heating circuit 2), switched
to low speed (reduced mode).
5c:5
Heating circuit pump, heating circuit with
mixing valve M3 (heating circuit 3), switched
to low speed (reduced mode).
“Function input DE1 at EA1 extension”
5d:0
No function
5d:1
Operating program changeover
5d:2
External demand with minimum set supply
temperature. Set value adjustment at coding
“9b” in the “General” group.
5d:3
External blocking
5d:4
External blocking with fault message.
5d:5
Fault message input.
5d:6
Brief operation, DHW recirculation pump (push
button function) Set DHW recirculation pump
runtime at coding “12” in the “General” group.
“Function input DE2 at EA1 extension”
5e:0
No function
5e:1
Operating program changeover
5e:2
External demand with minimum set supply
temperature Set value adjustment at coding
“9b” in the “General” group.
5e:3
External blocking
5e:4
External blocking with fault message.
5e:5
Fault message input
5e:6
Brief operation, DHW recirculation pump (push
button function) Set DHW recirculation pump
runtime at coding “12” in the “General” group.
