Viessmann VITOTRONIC 300-K Operations Instructions Page 42

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Vitotronic 200 and 300-K Installation and Service
5693 976 - 04
42
“Heating Circuit 1, Heating Circuit 2, Heating Circuit 3” Group (continued)
Coding in the factory set condition Possible change
Min. supply temperature heating circuit
C5:20 Electronic minimum supply temperature
limit
C5:1
to
C5:127
Minimum limit adjustable from 34 to 260°F
(1 to 127°C) (limited by boiler-specific
parameters)
Max. supply temperature heating circuit
C6:75 Electronic maximum supply temperature
limit set to 167°F (75°C)
C6:10
to
C6:127
Maximum limit adjustable from 50 to 260°F
(10 to 127°C) (limited by boiler-specific
parameters)
Heating program - changeover
D5:0 External heating program changeover
changes to “Constant operation with
reduced room temperature” or “Standby
mode”
D5:1 The external heating program changeover
changes to “Constant operation with standard
room temperature” (subject to coding address
3A, 3B and 3C)
Ext. heating program changeover to heating circuit
D8:0 No heating program changeover via
extension EA1
D8:1 Heating program changeover via input DE1
at extension EA1
D8:2 Heating program changeover via input DE2
at extension EA1
D8:3 Heating program changeover via input DE3
at extension EA1
Slab curing function (Not used)
F1:0 Slab curing function disabled. (Not used) F1:1
to
F1:6
Slab curing function adjustable in accordance
with 6 optional temperature/time profiles
(Not used)
F1:15 Constant supply temperature 68°F (20°C)
Party mode time limit
F2:8 Time limit for party mode or external
heating program changeover via
pushbutton: 8 h
*2
F2:0 No time limit for party mode
*2
F2:1
to
F2:12
Time limit adjustable from 1 to 12 h
*2
*2
Party mode ends automatically in the “Heating and DHW” program, when the system changes over to operation
with standard room temperature.
Coding 1 Vitotronic 300-K
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