Boiler - Viessmann Vitocrossal 300 Service Instructions For Contractors

Code 1
General
(cont.)
Coding in the delivered condition
Subscriber no.
77:1 LON subscriber number,
if a LON communication
module is installed
Detached house/apartment building
7F:1 Detached house
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

Coding
Coding in the delivered condition
Single/multi boiler system
01:1 Never adjust
58
Possible change
77:2 LON subscriber number,
to adjustable from 1 to 99:
77:99 1 = Boiler
2 - 5 = Never adjust
10 - 98 = Vitotronic 200-H
99 = Vitocom
Note
Assign each number only
once.
7F:0 Apartment building
Separate adjustment of
holiday program and time
program for DHW heating
possible
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