Viessmann Vitocrossal 300 CA3 2.5 Installation And Service Instructions Manual page 151

Vitocrossal 300 CA3 Series 2.5 to 6.0 Installation/Service
"General" Group
Coding in the factory set condition
"With LON communication module"
79:1 Control unit is fault manager.
"Central control of heating circuits"
7a:0 Without central control of heating
circuits.
"LON communication module: Time"
7b:1 Control unit transmits the time.
"Detached house/apartment building"
7f:1 Detached house
"Fault message"
80:6 A fault message is issued if a fault
occurs for at least 30 sec.
"Automatic summer/wintertime changeover"
81:1 Automatic summer/wintertime
changeover.
"Summer time starts: Month"
82:3 March
(continued)
Possible change
79:0 Control unit is not fault manager
IMPORTANT
Must be set for boiler section 2/boiler section 3,
see page 87.
7a:1 With central control 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
IMPORTANT
Must be set for boiler section 2/boiler section 3,
see page 87.
7F:0 Apartment building
Separate adjustment of holiday program
and time program for DHW heating possible.
80:0 Immediate fault message.
80:2 Adjustable from
to 10 to 995 sec,
80:199 1 step
81:0 Manual summer/wintertime changeover
81:2 Do not adjust!
81:3 With LON communication module:
The control unit receives the time.
82:1 January to December
to
82:12
Coding Level 2
5 sec.
151