Viessmann Vitodens 200 Service Manual page 48

Coding
Code 2
(cont.)
Coding Internal
circulation
pump
21 ON
22 ON
23 ON
Coding in Function mode
the as
delivered
condition
Address:
value
Boiler/burner
38:0 Burner control unit state
(0 = burner control unit
OK)
52:0 Without flow tempera-
ture sensor for low loss
header
53:1 Function connection 28
of the internal exten-
sion: DHW circulation
pump
54:0 Without solar control
unit
48
Heating cir- Heating cir-
cuit pump cuit pump
Heating cir- Heating cir-
cuit without cuit with
mixer mixer
OFF Control funct. OFF
OFF OFF
OFF OFF
Coding
change
Address:
value
38:...
52:1
53:0
53:2
53:3
54:1
54:2
Cylinder loading pump
Control funct.
OFF
Possible change
Do not adjust
With flow temperature
sensor for low loss
header (automatic adjust-
ment upon recognition)
Function connection 28:
Central fault
Function connection 28:
External heating circuit
pump (heating circuit A1)
Function relay 2: External
cylinder loading pump
With Vitosolic 100
With Vitosolic 200 (auto-
matical adjustment on
recognition)