Operating instructions
108
Service scans
Temperatures, boiler coding card and brief scans (cont.)
Brief scans
F8 8 8 8 8 8
0
N/A LON user number Software
version
Communic−
ations
coprocessor
SNVT
configuration
0=Auto
1=Tool
1
N/A Subnet address/system no. Node address
2
N/A Number of LON users Software version
Communication module
LON
4
Software
version
Solar
control unit
Software
version
Remote
control
System
designs
(see coding
address
"00")
Software
version
Program−
ming unit
Software
version
Control unit
b
N/A Burner
0= Off
1=Stage1/
base
load
2=Stage2/
full load
N/A
d
Butterfly
valve
0= Off
1= Preheating
2= Control
closed
3= Control
4= Control
open
5= Open
6= Run−on
l
N/A N/A Output reduction
0=Off; 1 to 100
%
o
N/A Equipment recognition
hexadecimal: A0
decimal: 160
Test code for Viessmann
service engineer
5862730GB