Viessmann VITODENS 222-F Service Instructions Manual page 43

Vitodens 222-F B2TA 19 and 35 Service
General
(continued)
Coding in the factory set mode
Internal circulation pump function
51:0
Participant no.
77:1
Detached house/apartment building
7F:1
Lock out controls
8F:0
Set supply temperature for external demand
9B:70
Internal circulation pump always
starts when there is a heat
demand
LON participant number
Detached house
Operation in the standard menu
and extended menu enabled.
Note: The respective code is
only activated when you
exit the service menu.
Set supply temperature for
external demand 158° F (70° C)
Possible change
51:1
51:2
77:2
to
77:99
7F:0
8F:1
8F:2
9B:0
to
9B:127
Code 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.
System with heating water
buffer 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.
LON participant number,
adjustable from 1 to 99:
1 = Boiler
10 - 98 = Vitotronic 200-H
99= Vitocom
Note: Allocate each number
only once.
Apartment building
Separate adjustment of holiday
program and time program for
DHW heating possible.
Operation in standard menu
and extended menu blocked.
Emissions test mode can be
enabled.
Operation enabled in the
standard menu and blocked
in the extended menu.
Emissions test mode can be
enabled.
Set supply temperature for
external demand adjustable
from 32 to 260° F (0 to
127°C) (limited by boiler-
specific parameters).
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