Viessmann VITOTRONIC 050 - Page 46

46
Coding
Coding 2 (cont.)
Coding in the factory default setting Possible change
General (cont.)
b5 : 0 With remote control:
Without room temperature dependent
heating circuit pump logic function b5 : 1 Heating circuit pump OFF, if
actual room temperature
(RT
act
) is 1.5°C / 3°F higher
than set room temperature
(RT
set
)
RT
act
> RT
set
+ 1°C / 2°F
Heating circuit pump ON, if the
actual room temperature (RT
act
)
is 0.5 K higher than desired
room temperature (RT
set
)
RT
act
< RT
set
+ 0.5 °C / 1°F
b6 : 0 With remote control unit and for the heating
circuit with room temperature connections
must be encoded:
Without quick heat-up/quick setback
b6 : 1 With quick heat-up/fast setback
b7 : 0 With remote control unit and for the heating
circuit with room temperature connections
m
u
s
t
b
e
e
n
c
o
d
e
d
:
b7 : 1 With start-up optimization (max. offset 2
hours 30 minutes)
c
i
r
c
u
i
t
w
i
t
h
r
o
o
m
t
e
m
p
e
r
a
t
u
r
e
c
o
n
n
e
c
t
i
o
n
s
must be encoded:
Without start-up optimization
b7 : 2 With start-up optimization (max. offset 15
hours 50 minutes)
b8 : 10 With remote control unit and for the heating
circuit with room temperature connections
must be encoded:
Heat-up gradient
Start-up time optimization
10 minutes/Kelvin
b8 : 11
to
b8 : 255
Heat-up gradient adjustable from
11 to 255 minutes/Kelvin (1 Kelvin = 1 °C)
b9 : 0 With remote control unit and for the heating
circuit with room temperature connections
must be encoded:
Without learning start-up optimization
b9 : 1 With learning start-up optimization
C0 : 0 With remote control unit and for the heating
circuit with room temperature connections
must be encoded:
W
i
t
h
o
u
t
s
t
a
r
t
-
u
p
o
p
t
i
m
i
z
a
t
i
o
n
C0 : 1 With shutdown time optimization (max. offset
1 hour)
m
u
s
t
b
e
e
n
c
o
d
e
d
:
Without start-up optimization
C0 : 2 With shutdown time optimization (max. offset
2 hours)
C1 : 0 With remote control unit and for the heating
circuit with room temperature connections
must be encoded:
Without start-up optimization
C1 : 1
to
C1 : 12
With shutdown time optimization (max. offset
10 to 120 minutes)
1 increment = 10 minutes
C2 : 0 With remote control unit and for the heating
circuit with room temperature connections
must be encoded:
Without learning start-up optimization
C2 : 1 With learning start-up optimization
C3 : 125 Mixing valve operating time 125 seconds C3 : 10
to
C3 : 255
Operating time adjustable from
10 to 255 seconds
5285 967 v1.2