Viessmann Vitocal 350-A Installation And Service Instructions Manual page 128

Commissioning, inspection, maintenance
Further details regarding the individual steps
LON system number and LON sub-
scriber number
Set the LON system number, LON sub-
scriber number and other functions at the
"Contractor" setting level (see from
page 200).
Setting other LON subscrib-
ers:
See service instructions of further
LON subscribers (e.g. Vitocom)
and the following table.
Example: Single boiler system and Vitocom
Heat pump control unit
LON
LON communication module installed
Parameter setting: "LON module installed" set to
"Yes"
Subscriber no. 1
Parameter setting: "Subscriber number" set to "1"
Viessmann system number
Parameter setting: "System number" set to "1"
Control unit is fault manager
Parameter setting: "Fault manager" set to "Yes"
Control unit transmits the time
Parameter setting: "Time" set to "2"
Control unit transmits outside temperature
Parameter setting: "Outside temperature" set to
"2"
LON subscriber fault monitoring
Parameter setting: "Receive heartbeat" set to "20"
128
(cont.)
Note
In the same LON system, one number
can only be allocated once.
Only one control unit per system may
be programmed as the fault manager.
Vitocom
—
Subscriber no. 99
—
Device is fault manager
Device receives the time
—
—