Viessmann Vitoligno 300-C Installation And Service Instructions Manual page 86

Codes
Code 1
(cont.)
Coding in the delivered condition
Start without delay, Set system temp
D6:-20 Start of additional heat generator
without delay
Condition:
Actual system temperature < set
system temperature minus selec-
ted value (here: 20 K)
Parallel operation
D7:1 Only with additional heat genera-
tors with own boiler circuit pump:
Parallel operation of both heat
generators is possible.
Heating
Key:
OT Outside temperature
RT Room temperature
K Kelvin (temperature differential)
Coding
Coding in the delivered condition
Remote control
A0:0 Available if a remote control unit is
connected.
Without remote control
Summer eco function room temperature
A5:5 With heating circuit pump logic
function (economy mode):
Heating circuit pump "OFF" when
the outside temperature (OT) is 1
K higher than the set room temper-
ature (RT
Parameter ad- Heating circuit pump "Off"
dress "A5": Summer eco function active
1 OT
2 OT
3 OT
4 OT
5 OT
6 OT
7 OT
to
to
15 OT
86
)
set
RT + 5 K
>
set
RT + 4 K
>
set
RT + 3 K
>
set
RT + 2 K
>
set
RT + 1 K
>
set
RT
>
set
RT 1 K
> −
set
RT 9 K
> −
set
Possible change
D6:-100 Adjustable value in K
to
D6:0
D7:0 Parallel operation of both boilers is
not possible.
Possible change
A0:1 With Vitotrol 200-A.
Recognised automatically.
A0:2 With Vitotrol 300-A.
Recognised automatically.
A0:3 With Vitotrol 350.
Recognised automatically.
A5:0 Without heating circuit pump logic
function
A5:1 With heating circuit pump logic func-
to tion
A5:15 See the following table: