Boiler"/Group 2 - Viessmann Vitodens 200-W Installation And Service Instructions For Contractors

"General"/Group 1
(cont.)
Coding in the delivered condition
82:0 Operation with natural gas
86:... Never adjust
87:... Never adjust
88:0 Temperature displayed in °C (Cel-
sius)
8A:175 Never adjust
8F:0 All controls active
90:128 Time constant for calculating ad-
justed outside temperature 21.3 h
94:0 Without OpenTherm extension
95:0 Without communication interface
Vitocom 100, type GSM
97:0 With LON communication module:
The outside temperature of the
sensor connected to the control
unit is utilised internally (only for
weather-compensated control
units)
98:1 Viessmann system number (in
conjunction with monitoring several
systems via Vitocom 300)
99:0 Never adjust
9A:0 Never adjust
9b:70 Set flow temperature for external
demand 70 °C
9C:20 Monitoring LON subscribers
If there is no response from a sub-
scriber after 20 min, the values
specified inside the control unit are
used. Only then will a fault mes-
sage be issued (only for weather-
compensated control units)
9F:8 Differential temperature 8 K; only
in conjunction with the mixer circuit
(only for weather-compensated
control units)

"Boiler"/Group 2

Select "Boiler" for weather-compensated control units
(see page 52).
Possible change
82:1 Operation with LPG (only adjustable
if coding address 11:9 has been set)
88:1 Temperature displayed in °F (Fah-
renheit)
8F:1 All controls locked out
8F:2 Only standard settings can be con-
trolled
90:1 Fast (low values) or slow (high val-
to ues) matching of the flow tempera-
90:199 ture, subject to the set value when
the outside temperature changes;
1 step
94:1 With OpenTherm extension (auto-
matic recognition)
95:1 With communication interface
Vitocom 100, type GSM (automatic
recognition)
97:1 Control unit receives outside tem-
perature
97:2 The control unit transmits the out-
side temperature to the
Vitotronic 200-H
98:1 System number adjustable from 1 to
to 5
98:5
9b:0 Set flow temperature for external de-
to mand adjustable from 0 to 127 °C
9b:127 (limited by boiler-specific parame-
ters)
9C:0 No monitoring
9C:5 Time adjustable from 5 to 60 min
to
9C:60
9F:0 Differential temperature adjustable
to from 0 to 40 K
9F:40
Select "2" for constant temperature control unit (see
page 52).
Code 2
≙
10 min
57