Viessmann Vitodens 333 Service Instructions Manual page 28

Initial start-up, inspection, maintenance
Further details regarding the individual steps
Required coding
Operation with LPG
System version 2
One heating circuit with mixer M2 and a low loss header
!
Outside temperature sensor
?
Flow temperature sensor
sÖ
Heating circuit pump
lH
Power supply (extension kit)
aVG KM BUS
Required coding
Operation with LPG
System with only one heating circuit with mixer and DHW heating
28
(cont.)
A
Low loss header
B
Extension kit for a heating circuit
with mixer
C
Maximum temperature thermo-
stat (underfloor heating)
1E:1
1E:1
00:4