Viessmann VITODENS 343-F WS4A Installation And Service Instructions Manual page 75

Code 2
(cont.)
Coding in the delivered condition
77 :1 LON subscriber number 77 :2
79:1 Control unit is fault
manager
7b:1 Send time via LON
7F:1 Detached house
80:1 With 5 s delay for fault
message; message is
displayed if fault is pre-
sent for at least 5 s
81:1 Automatic summer/win-
ter time changeover
82:0 Operation with natural
gas
88 :0 Temperature displayed
in °Celsius
8A:175 Never adjust
90:128 Time constant for calcu-
lating the adjusted out-
side temperature
21.3 hours
Possible change
LON subscriber number,
to adjustable from 1 to 99:
77 :99 1-4 = Compact boiler
5 = Never adjust
10 - 98 = Vitotronic 200-H
99 = Vitocom
Note
Allocate each number
only once.
79:0 Control unit is not fault
manager
7b:0 Do not send time via LON
7F:0 Apartment block
Separate adjustment of
holiday program and time
program for DHW heat-
ing, as option
80:0 Without time delay
80:2 Time delay adjustable
to from 10 to 995; 1 step =
80:199 5 s
81:0 Manual summer/winter
time changeover
81:2 Radio clock module is
automatically detected
81:3 Accept time via LON
82:1 Operation with LPG (only
adjustable if coding ad-
dress 11:9 has been set;
see page 112)
88 :1 Temperature display in °
Fahrenheit
90:0 Fast (low values) or slow
to (high values) matching of
90:199 the flow temperature,
subject to the set value
when the outside tem-
perature changes;
1 step = 10 min
Coding
75