Dhw/Group "3 - Viessmann VITODENS 200-W Service Instructions Manual

Code 2
Boiler/Group "2"
Coding in the delivered condition
2E:0 Without external exten-
sion H1 or H2
2F:0 Venting program/fill pro-
gram disabled
30:1 Internal variable speed
circulation pump (auto-
matic adjustment)
31:... Set speed in % of the
internal circulation pump
when operated as boiler
circuit pump, specified by
the boiler coding card
38:0 Status burner control unit:
Operational (no fault)

DHW/Group "3"

Select "DHW" for weather-compensated control units (see page 55).
Select "3" for constant temperature control units (see page 55).
66
(cont.)
Possible change
2E:1
2F:1
2F:2
30:0
31:0
to
31:100
38:≠0
With external extension H1
or H2 (automatic recogni-
tion)
Venting program enabled
Fill program enabled
Internal circulation pump
without variable speed
(e.g. temporarily for serv-
ice)
Set speed adjustable from
0 to 100 %
Status burner control unit:
Fault