Viessmann VITOTRONIC 200 Installation And Service Instructions Manual page 82

Coding 2 Vitotronic 300-K
"General" Group
Coding in the factory set condition
"Connection at plug sÖA1"
4c:0
Connection at plug sÖA1:
heating circuit pump.
"Delay off time, shunt or distribution pump"
4f:5 Distribution pump delay off time 5 min.
"ON integral threshold value of external heat"
50:10 On integral threshold value of external
heat set to 10 K x min.
"OFF integral threshold value of external heat"
51:255 OFF integral threshold value of external
heat set to 255 K x min.
"Solar thermal system"
54:0 Without solar thermal system
"EA1 extension"
5b:0 Without extension EA1.
"Function output aBJ at EA1 extension"
5c:0
Function output aBJ at extension EA1:
central fault message.
"Function input DE1 at EA1 extension"
5d:0 Function input DE1 at extension EA1:
No function.
82
(continued)
Vitotronic 200, HO1B and 300-K, MW2C Installation/Service
Possible change
4c:1 Primary pump, primary store system.
4f:0 No pump delay off.
4f:1 Delay off time adjustable from 1 to 60 min.
to
4f:60
50:1 On integral threshold value of external heat adjustable
to from 1 to 255 K x min.
50:255
51:1 OFF integral threshold value of external heat adjustable
to from 1 to 255 K x min.
51:255
54:1 With Vitosolic 100 (automatic recognition)
54:2 With Vitosolic 200 (automatic recognition)
54:3 With solar control module SM1 without auxiliary
function (automatic recognition)
54:4 With solar control module SM1 with auxiliary function,
e.g. central heating backup (automatic recognition)
5b:1 With extension EA1; automatic recognition.
5c:1 Accessories pump.
5c:2 No function.
5c:3 Heating circuit pump A1 is switched to low speed
(reduced mode).
5c:4 Heating circuit pump M2 is switched to low speed
(reduced mode).
5c:5 Heating circuit pump M3 is switched to low speed
(reduced mode).
5d:1 Operating program changeover.
5d:2 External demand with minimum set supply temperature.
Setting of the set value in coding address "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 (pushbutton
function). Setting of runtime for DHW recirculation
pump in coding address "12" in the "General" group.