Boiler; Coding; Dhw - Viessmann Vitoladens 300-W Installation And Service Instructions Manual

General
(cont.)
Coding in the delivered condition
Lock-out control
8F:0 Control in standard menu and ex-
tended menu enabled
Note
The relevant code is only enabled
when you exit the service menu.
Supply temperature setpoint with 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 set (in hours
run)
Service interval in months
23:0 No time set for burner service in-
terval
Service status
24:0 "Service" not shown on the dis-
play
Filling/venting
2F:0 Venting program/filling program
disabled

DHW

Coding
Coding in the delivered condition
DHW temperature setpoint reheating suppression
67:40 For solar DHW heating: set DHW
temperature 40 °C. Above the se-
lected set temperature reheating is
suppressed.
Possible change
8F:1 Operation blocked in standard menu
and extended menu
Emissions test mode can be ena-
bled.
8F:2 Operation enabled in standard
menu, but blocked in extended
menu
Emissions test mode can be ena-
bled.
9b:0 Set flow temperature for external de-
to mand adjustable from 0 to 127 °C
9b:127 (limited by boiler-specific parame-
ters)
Possible change
21:1 The number of hours run before the
to burner should be serviced is adjust-
21:100 able from 100 to 10,000 h
One adjusting step
23:1 Time interval adjustable from 1 to
to 24 months
23:24
24:1 "Service" shown on the display.
The address is set automatically and
must be reset manually after a serv-
ice.
2F:1 Venting program enabled
2F:2 Filling program enabled
Possible change
67:0 Set DHW temperature adjustable
to from 0 to 95 °C (limited by boiler-
67:95 specific parameters)
Code 1
≙
100 h
45