Technical data
173
Coding – Vitocontrol-S, VD2/CT3/CM2
Coding 2
(continued)
Coding in factory setting Possible change
General (continued)
7b: 1 Transmitting time via LON BUS 7b: 0 No transmission of time via LON BUS
7E: 0 Without flue gas cascade or with flue gas cascade
with negative draft
7E: 1 With flue gas cascade with positive draft
7F: 1 Detached house 7F: 0 Multi-occupancy house
80: 1
A fault message is issued,
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80: 0 Immediate fault message
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if a fault is active for at least 5 seconds
80: 2
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80:199
Minimum fault duration before displaying a fault
message is adjustable from 10 to 995 seconds;
1 setting step = 5 seconds
81: 1
Automatic daylight saving time changeover
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81: 0 Manual changeover - daylight saving time
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Please note:
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81: 2
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coding 81: 1 is set.
81: 3 Accept time via LON
8E: 4 Displaying and acknowledging faults:
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8E: 0 At programming unit
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At programming unit and all installed Vitotrol remote
control units
8E: 1 At programming unit and remote control – system /
boiler circuit A1
8E: 2 At programming unit and remote control – mixing
valve circuit M2
8E: 3 At programming unit and remote control – mixing
valve circuit M3
90:12
8
Time constant for calculating adjusted outdoor
temperature:
21.3 hours
90: 0
to
90:199
Fast (low values) or slow (high values) matching of
supply temperature subject to set value when
outdoor temperature changes;
1 setting step = 10 minutes
91: 0 Without heating program changeover
91: 1 With heating program changeover (connection via
plug aVD):
Changeover affects:
System circuit A1
91: 2 Mixing valve circuit M2
91: 3 System / Boiler circuit A1 and
mixing valve circuit M2
91: 4 Mixing valve circuit M3
91: 5 System / Boiler circuit A1 and
mixing valve circuit M3
91: 6 Mixing valve circuits M2 and M3
91: 7 All heating circuits (A1, M2, M3)
5351 340 v1.4