Viessmann VITODENS 200-W Service Instructions Manual page 42

Code 1
General/Group 1
Coding in the delivered condition
Detached house/apartment building
7F:1 Detached house (only for
weather-compensated
control units)
Lock out controls
8F:0 All control elements
active
Set flow temperature for ext. demand
9b:70 Set flow temperature for
external demand 70 °C
Boiler/Group 2
"Boiler" - select for weather-compensated control units (see page 39).
"2" - select for constant temperature control units (see page 39).
Coding
Coding in the delivered condition
Single/multi-boiler system
01:1 Do not adjust (only for
constant temperature
control units)
Burner service in 100 hours
21:0 No service interval (hours
run) selected
42
(cont.)
Possible change
7F:0 Apartment building
Separate adjustment of
holiday program and time
program for DHW heating,
as option
8F:1 All control elements locked
out
8F:2 Only standard settings can
be controlled
9b:0 Set flow temperature for
to external demand adjusta-
9b:127 ble from 0 to 127 °C (limited
by boiler-specific parame-
ters)
Possible change
21:1 The number of hours run
to before the burner should
21:100 be serviced is adjustable
from 100 to 10 000 h
One adjusting step ≙
100 h