Boiler - Viessmann VITOLADENS 300-W Installation And Service Instructions Manual

General
(cont.)
Coding in the delivered condition
Lock out controls
8F:0 Operation in the standard
menu and extended
menu enabled.
Note
The respective code is
only activated when you
exit the service menu
Set flow temperature for external demand
9b:70 Set flow temperature for
external demand 70 °C

Boiler

Coding
Coding in the delivered condition
Burner service in 100 hours
21:0 No service interval (hours
run) selected
Service interval in months
23:0 No interval for burner
service
Possible change
8F:1 Operation in standard
menu and extended menu
blocked.
Emissions test mode can
be enabled
8F:2 Operation enabled in the
standard menu and
blocked in the extended
menu.
Emissions test mode can
be enabled
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
23:1 Interval adjustable from 1
to to 24 months.
23:24
Code 1
57