86
Coding in the delivered condition
Possible change
3F:2
Boiler circuit pump is star-
ted on "External demand"
signal
4b:0
Function input
lH
: Room
thermostat (Vitotrol 100)
for constant temperature
control
4b:1
External demand
4b:2
External blocking
51:0
System with low loss
header:
Boiler circuit pump is al-
ways started when there
is a heat demand
51:1
System with low loss head-
er:
When there is heat de-
mand, the boiler circuit
pump will only be started if
the burner is running.
Circulation pump is switch-
ed off when run-on time ex-
pires.
51:2
System with heating water
buffer cylinder:
When there is heat de-
mand, the boiler circuit
pump will only be started if
the burner is running.
Circulation pump is switch-
ed off when run-on time ex-
pires.
52:0
Without flow temperature
sensor for low loss head-
er
52:1
With flow temperature sen-
sor for low loss header (au-
tomatic recognition)
53:1
Function connection
sK
of the internal extension:
DHW circulation pump
53:0
Function connection
sK
:
Central fault message
53:2
Function connection
sK
:
External heating circuit
pump (heating circuit 1)
53:3
Function connection
sK
:
External circulation pump
for cylinder heating
54:0
Without solar thermal
system
54:1
With Vitosolic 100 (auto-
matic recognition)
54:2
With Vitosolic 200 (auto-
matic recognition)
Code 2
General/group "1"
(cont.)
5623 520 GB