Operating instructions
Coding in the delivered condition Possible change
Boiler/burner
38:0 Status burner control
unit: Operational (no
fault)
38:≠0 Fault burner control unit
51:0 Internal circulation
pump is always started
when there is a heat de-
mand
51:1 When there is a heat de-
mand, the internal circu-
lation pump will only be
started when the burner
is operational. System
with heating water buffer
cylinder.
52:0 Without flow tempera-
ture sensor for low loss
header
52:1 With flow temperature
sensor for low loss head-
er (automatic adjustment
on connection)
53:1 Function connection sK
of the internal exten-
sion: DHW circulation
pump
53:0 Function connection sK:
Central fault
53:2 Function connection sK:
External heating circuit
pump (heating circuit A1)
53:3 Function connection sK:
External circulation pump
for cylinder heating
54:0 Without solar control
unit
54:1 With Vitosolic 100 (auto-
matic adjustment on con-
nection)
54:2 With Vitosolic 200 (auto-
matic adjustment on con-
nection)
DHW
56:0 Set DHW temperature
adjustable from 10 to
60 °C
56:1 Set DHW temperature
adjustable from 10 to
above 60 °C
Note
Maximum value subject
to boiler coding card.
Observe the max. per-
missible DHW tempera-
ture.
Code 2 (cont.)
45
Coding
5692 672 GB










