Viessmann VITOTRONIC300 Installation And Service Instructions Manual page 102

Code 2
"General" Group
Coding in the factory set condition
78:1 LON communication enabled.
79:1 With LON communication module:
Control unit is fault manager.
7A:0 Without central control of heating circuits.
7b:1 With LON communication module:
Control unit transmits the time.
7F:1 Detached house.
80:6 A fault message is displayed if a fault occurs
for at least 30 sec.
81:1 Automatic summer/wintertime changeover.
82:3 Summer time starts:
March
83:5 Summer time starts:
Week 5 of the selected month.
84:7 Summer time starts:
Last Sunday of the selected month.
85:10 Wintertime starts:
October.
86:5 Wintertime starts:
Week 5 of the selected month.
87:7 Summer time starts:
Last Sunday of the selected month.
102
(continued)
Vitotronic 300, GW2B Installation and Service
Possible change
78:0 LON communication disabled.
79:0 Control unit is not fault manager.
7A:1 With central control (see page 82):
Heating circuit without mixing valve A1
(heating circuit 1).
7A:2 Heating circuit with mixing valve M2
(heating circuit 2).
7A:3 Heating circuit with mixing valve M3
(heating circuit 3).
7b:0 No time transmission.
7F:0 Apartment building.
Separate adjustment of holiday program
and time program for DHW heating possible.
80:0 Immediate fault message.
80:2 The minimum fault duration until a fault
to message is issued is adjustable from 10
80:199 to 995 sec.;
1 step 5 sec.
81:0 Manual summer/wintertime changeover.
81:2 Use of the radio clock receiver
(automatic recognition).
81:3 With LON communication module:
The control unit receives the time.
82:1 January to December
to
82:12
83:1 Week 1 to week 5 of the selected month
to
83:5
84:1 Monday to Sunday
to
84:7
85:1 January to December
to
85:12
86:1 Week 1 to week 5 of the selected month
to
86:5
87:1 Monday to Sunday
to
87:7