Viessmann Vitodens 333 Service Instructions Manual page 32

Initial start-up, inspection, maintenance
Further details regarding the individual steps
System version 4
One heating circuit without mixer A1, one heating circuit with mixer M2
and system separation
! Outside temperature sensor
? Flow temperature sensor
sÖ Heating circuit pump
lH Power supply (extension kit)
aVG KM BUS
Required coding
Operation with natural gas (delivered condition)
or
Operation with LPG
32
(cont.)
A Extension kit for one heating cir-
cuit with mixer
B Maximum thermostat (underfloor
heating)
C Heat exchanger for system
separation
Address
82:0
82:1