Technical data

Vitodens 200-W B2HA 19, 28, 35 Service
5683 702 - 07
40
General (continued)
Coding in the factory set mode Possible change
Internal circulation pump function
51:0 System with low loss header:
Internal circulation pump always
starts when there is a heat
demand
51:1 System with low loss header:
When there is a heat demand,
the internal circulation pump
is only started if the burner is
operational.
Circulation pump is switched
off when run-on time expires.
51:2 System with heating water
buffer DHW tank:
When there is a heat demand,
the internal circulation pump
is only started if the burner is
operational.
Circulation pump is switched
off when run-on time expires.
Participant no.
77:1 LON participant number 77:2
to
77:99
LON participant number,
adjustable from 1 to 98:
1 - 4 = Boiler
5 = Cascade
10 - 98 = Vitotronic 200-H
Note: Allocate each number
only once.
Detached house/apartment building
7F:1 Detached house 7F:0 Apartment building
Separate adjustment of holiday
program and time program for
DHW heating possible.
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.
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.
Set flow temperature for external demand
9B:70 Set flow temperature for
external demand 158° F (70° C)
9B:0
to
9B:127
Set flow temperature for
external demand adjustable
from 32 to 260° F (0 to
127°C) (limited by boiler-
specific parameters).
Coding 1