System design 3
With/without DHW heating with one heating circuit without mixer A1 and
one heating circuit with mixer M2 and system separation
!
Outside temperature sensor
?
Flow temperature sensor
%
Cylinder temperature sensor
sÖ
Heating circuit pump
lH
Power supply (extension kit)
aVG
KM BUS
A
Maximum thermostat (underfloor
heating)
B
Extension kit for a heating circuit
with mixer
C
Heat exchanger for system
separation
Required coding
Address
Operation with natural gas (as delivered condition)
or
82:0
Operation with LPG
82:1
Further details regarding the individual steps
(cont.)
27
Initial start-up, inspection, maintenance
5692
569
GB
Summary of Contents for Vitodens 300
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