System design 4
With/without DHW heating with one heating circuit without mixer A1 with
separate heating circuit pump and one heating circuit with mixer M2
!
Outside temperature sensor
?
Flow temperature sensor
%
Cylinder temperature sensor
sÖ
Heating circuit pump
sK
Heating circuit pump for one
heating circuit without mixer
(connection via internal exten-
sion)
or
sÖ
Heating circuit pump for one
heating circuit without mixer
(connection via external exten-
sion)
lH
Power supply (extension kit)
aVG
KM BUS
A
Internal extension H1 or H2
or
External extension H1
B
Maximum thermostat (underfloor
heating)
C
Extension kit for a heating circuit
with mixer
Required coding
Address
Function relay of the internal extension: Heating circuit
pump
53:2
Operation with natural gas (as delivered condition)
or
82:0
Further details regarding the individual steps
(cont.)
28
Initial start-up, inspection, maintenance
5692
569
GB
Summary of Contents for Vitodens 300
Page 111: ...Parts lists cont 111 Parts lists 5692 569 GB...
Page 112: ...Parts lists cont 112 Parts lists 5692 569 GB...
Page 113: ...Parts lists cont 113 Parts lists 5692 569 GB...
Page 114: ...Parts lists cont 114 Parts lists 5692 569 GB...
Page 115: ...Parts lists cont 115 Parts lists 5692 569 GB...
Page 127: ...127 5692 569 GB...
