Technical data

170
Coding – Vitocontrol-S, VD2/CT3/CM2
Coding 2 (continued)
Coding in factory setting Possible change
Multi-boiler control (continued)
48: 35 Only for sequential type of control:
Control amplification of supply temperature set to 3.5 %/K
48: 1
to
48:199
Control amplification adjustable
from 0.1 to 19.9 %/K
1 setting step = 0.1 %/K
49: 40 Only for sequential type of control:
Control integral time of supply temperature set to 400 seconds
49: 1
to
49:199
Control integral time adjustable
from 10 to 1990 seconds
1 setting step = 10 seconds
General
4A: 0 Sensor aJA not installed 4A: 1 Sensor aJA installed
(e.g. temperature sensor T1);
will be recognised automatically
4b: 0 Sensor aJB not installed 4b: 1 Sensor aJB installed
(e.g. temperature sensor T2);
will be recognised automatically
4C: 0 Connection on plug sÖA1:
Heating circuit pump
4C: 1 Primary pump – DHW tank
heating system
4C: 2 Do not adjust
4C: 3 Do not adjust
4d: 1 Connection on plug sL:
Shunt pump
4d: 0 Common supply pump
4E: 0 Connection on plug gSA1:
3-way mixing valve for controlling return temperature
4E: 1 Three-way mixing valve
4F: 5
Time delay on activation shunt or common supply pump:
5
m
i
n
u
t
e
s
4F: 0 No pump time delay
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p
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p
:
5 minutes
4F: 1
to
4F: 60
Time delay adjustable
from 1 to 60 minutes
54: 0 Without solar control unit 54: 1 With Vitosolic 100;
will be recognised
automatically
54: 2 With Vitosolic 200;
will be recognised
automatically
55: 0 DHW heating,
differential ± 2.5˚C / 4.5˚F
55: 1 Adaptive DHW heating active
(speed of temperature rise for
DHW tank temperature is taken
into account during DHW
heating)
55: 2 DHW tank temperature control
with 2 DHW tank temperature
sensors
55: 3 DHW heating system
5351 340 v1.4