Viessmann Vitotwin 300-W Installation And Service Instructions For Contractors page 120

Service scans
Diagnostics
(cont.)
Function
"State relay output QX22
mixer extension 3"
"State relay output QX23
mixer extension 3"
Other scans
Information on energy generated and
used and on runtimes and intervals for
various components are displayed under
coding addresses 9104 to 9284. This
information is only partially relevant for
system operation.
See the operating instructions for the
Vitotwin 300-W for possible scans.
120
Code Operat-
ing lev-
el
9057 "F2"
9058 "F2"
From/ To/switching
switch- state
ing state
"Off" "On"
"Off" "On"
Unit