Technical data

Additional information
127
Coding 2 (continued)
Overview of all codings (continued)
Coding as per
factory setting
Address: Value
Function New coding
Address:
Value
Possible change
9C: 20 General Monitoring of LON
participants
I
f
a
p
a
r
t
i
c
i
p
a
n
t
d
o
e
s
n
o
t
9C: 0 No monitoring
I
f
a
p
a
r
t
i
c
i
p
a
n
t
d
o
e
s
n
o
t
answer back, default values
set within the control unit
are used for the first 20
minutes. The an error
message is transmitted
9C: 1
to
9C: 60
Time selectable
from 1 to 60 minutes
9d: 0 General Without Input module 0-10V 9d: 1 With Input module; automatically recognized
9F: 8 General Differential temperature 8 K
only in conjunction with
mixing valve circuit
05: 0
to
05: 40
Differential temperature selectable from 0 to
40 K
A0: 0 Boiler
circuit/
m
i
x
i
n
g
Without remote control
A0: 1 With Vitotrol 200 remote control
m
i
x
i
n
g
valve
circuit
A0: 2 With Vitotrol 300 remote control
A2: 2 Boiler
circuit/
m
i
x
i
n
g
With DHW tank priority
control over heating circuit
p
u
m
p
a
n
d
m
i
x
i
n
g
v
a
l
v
e
A2: 0 Without DHW tank priority control over heating
circuit pump and mixing valve
c
i
r
c
u
i
t
/
mixing
valve
circuit
c
o
n
t
r
o
l
o
v
e
r
h
e
a
t
i
n
g
c
i
r
c
u
i
t
pump and mixing valve
A2: 1
*1
The mixing valve is closed and the heating
circuit pump is ON when the DHW tank is
being heated
A2: 3
*1
to
A2: 15
Reduced DHW tank priority over mixing valve;
i.e. the heating circuit is supplied with a
reduced amount of heat
A3: 2 Boiler
circuit/
mixing
valve
circuit
T
h
e
h
e
a
t
i
n
g
c
i
r
c
u
i
t
p
u
m
p
i
s
switched on at outdoor
temperatures below 1 °C /
34 °F.
The heating circuit pump is
switched off at outdoor
temperatures above 3 °C /
37 °F.
Safety instruction:
At settings below 1°C /
34°F there is a risk that
piping outdside the
insulation of the building
may freeze, e.g. pipes in
the roof space, to the
garage,in radiator alcoves
,
etc. Pay particular
attention to the standby
mode, e.g. during holiday
periods.
A3: –9
A3: –8
A3: –7
A3: –6
A3: –5
A3: –4
A3: –3
A3: –2
A3: –1
A3: –0
A3: –1
A3: –2
.
.
.
A3: 15
Heating circuit pump
See conversion chart at back of manual for °F
ON at OFF at
–10°C –8°C
–19°C –7°C
–18°C –6°C
–17°C –5°C
–16°C –4°C
–15°C –3°C
–14°C –2°C
–13°C –1°C
–12°C –0°C
–11°C –1°C
–10°C –2°C
–11°C –3°C
-1. -1 .
-1. -1 .
-1. -1 .
-14°C 16°C
A4: 0 Boiler
circuit/
mixing
valve
circuit
With frost protection A4: 1 No frost protection.
Setting only possible when coding
”A3: –9” is set.
Please note:
See safety instruction above.
5285 941 v.1.5