Viessmann Vitoligno 300-P Service Instructions For Contractors page 74

Service scans
Temperatures, boiler coding card and brief...
Digital outputs 2
Position
A Heating Lambda probe
B
Air damper drive, secondary air
C Air damper drive, primary air
D Flue gas fan
Brief scan
Diagnosis
Brief scan ...
0 0 0 0
A B
Display
Brief scan
1 Device recognition,
control unit
2 Software version,
combustion controller
3 Extension kit, heating
circuit 1
– –: not available
02: Internal mixer
4 Software version
Extension kit, heating
circuit 2
74
0 0
C
A
Software version,
control unit
Device recognition,
programming unit
Software version
Extension kit, heating
circuit 1
Solar control unit
– –: Without solar
00: Internal solar
61: Vitosolic 100
62: Vitosolic 200
Status
0
OFF
Damper in idle
state
Damper in idle
state
OFF
B
control unit
control unit on
output 52
(cont.)
1
ON
Damper moving
Damper moving
ON
C
Identification, combus-
tion controller
Software version,
programming unit
Extension kit, heating
circuit 2
– –: not available
00: Solar circuit
02: Internal mixer
Software version
Solar control unit