Viessmann VITODENS 222-F Installation And Service Instructions Manual page 79

General/Group "1"
Coding in the delivered condition
79:1 With LON communication
module: Control unit is
fault manager (only for
weather-compensated
control units)
7b:1 With LON communication
module: The control unit
transmits the time (only
for weather-compensa-
ted control units)
7F:1 Detached house (only for
weather-compensated
control units)
80:6 A fault message is dis-
played, providing a fault
is active for at least 30 s
81:1 Automatic summer/win-
ter time changeover
82:0 Operation with natural
gas
86:0 Do not adjust
87:0 Do not adjust
88:0 Temperature displayed in
°C (Celsius)
8A:175 Do not adjust!
(cont.)
Possible change
79:0
7b:0
7F:0
80:0
80:2
to
80:199
81:0
81:2
81:3
82:1
88:1
Code 2
Control unit is not fault
manager
Does not transmit time
Apartment building
Separate adjustment of
holiday program and time
program for DHW heating,
as option
Immediate fault message
The minimum fault duration
before a fault message is
issued is adjustable from
10 s to 995 s; one step ≙
5 s
Manual summer/winter
time changeover
Use of the radio clock
receiver (automatic recog-
nition)
With LON communication
module: The control unit
receives the time
Operation with LPG (only
adjustable if coding
address 11:9 has been
set)
Temperature displayed in
°F (Fahrenheit)
79