Technical data

Coding
46
Coding Level 2 (continued)
Overview of coding addresses (continued)
Coding (factory default setting) Possible change
General
9F:8 Differential temperature 8 K; only in
conjunction with the mixing valve circuit
9F:0
to
9F:40
Differential temperature adjustable from 0 to
40 K (0 to 72°F)
Boiler circuit, mixing valve circuit
A0:0 Without remote control
A0:1 With Vitotrol 200 (automatic recognition)
A
0
:
0
W
i
t
h
o
u
t
r
e
m
o
t
e
c
o
n
t
r
o
l
A0:2 With Vitotrol 300 (automatic recognition)
DHW priority (heating circuit without mixing valve, A1)
A2:2 DHW priority to heating circuit pump A2:0 Without DHW priority to heating circuit pump
DHW priority (heating circuit with mixing valve, M2)
A2:2 DHW priority applicable to heating circuit
pump and mixing valve
A2:0 Without DHW priority applicable to heating
circuit pump and mixing valve
p
u
m
p
a
n
d
m
i
x
i
n
g
v
a
l
v
e
A2:1 DHW priority only applicable to mixing valve
A2:3
to
A2:15
Reduced priority applied to mixing valve (the
heating circuit receives a reduced amount of
energy)
A3:2 Outdoor temperature below 34°F / 1°C:
Heating circuit pump ”ON”
Outdoor temperature above 37°F / 3°C:
Heating circuit pump ”OFF”
A3:-9
to
A3:15
Heating circuit pump ”ON/OFF” (see the
following table)
Parameter
c
o
d
i
n
g
a
d
d
r
e
s
s
Heating circuit pump
c
o
d
i
n
g
a
d
d
r
e
s
s
A3:...
”ON” at ”OFF” at
-9 14°F / -10°C 18°F / -8°C
-8 16°F / -9°C 20°F / -7°C
-7 18°F / -8°C 21°F / -6°C
-6 20°F / -7°C 23°F / -5°C
-5 21°F / -6°C 25°F / -4°C
-4 23°F / -5°C 27°F / -3°C
-3 25°F / -4°C 28°F / -2°C
-2 27°F / -3°C 30°F / -1°C
-1 28°F / -2°C 32°F / 0°C
0 30°F / -1°C 34°F / 1°C
1 32°F / 0°C 36°F / 2°C
2 to 15 34 to 57°F /
1 to 14°C
37 to 61°F /
3 to 16°C
5418 911 v1.6
When selecting a value below 34°F /
1°C, there is a risk of pipes outside
the thermal envelope of the building
being damaged by frost.
The standby mode, in particular,
should be taken into consideration,
e.g. during holidays.
WARNING