Viessmann VITOPEND 200 Installation And Service Instructions Manual page 42

Initial start-up, inspection, maintenance
Further details regarding the individual steps
Required coding
Internal extension (accessories)
System version 4
One heating circuit without mixer A1, one heating circuit with mixer M2
and low loss header
!
Outside temperature sensor
(only for weather‐compensated
control units)
?
Flow temperature sensor
sÖ
Heating circuit pump
sK
Heating circuit pump for a heat-
ing circuit with mixer M2 (con-
nection via internal extension)
Required coding
Operation with LPG
Internal extension (accessories)
42
(cont.)
lH
Power supply
aVG KM BUS
A
Max. thermostat (underfloor
heating)
B
Extension kit for a heating circuit
with mixer M2
C
Vitotrol 300
53:2
1E:1
53:2