Overview Of Electrical Connections - Viessmann vitotronic 200-h Installation And Service Instructions Manual

Installation Sequence Installation Sequence

Overview of Electrical Connections

Extension for heating circuits 2 and 3 with mixing valve
(with accessory extension module, supplied separately)
? M2/M3 Supply temperature sensor
sÖ M2/M3 Heating circuit pump
gS M2/M3 Mixing valve motor
Main PCB, LV
Outside temperature sensor
!
Supply temperature sensor
§/?
%A DHW tank temperature sensor
DHW tank temperature sensor 2
%B
(optional accessory not used)
aJB Return temperature sensor
(optional accessories not used)
aVD External hook-up
KM BUS participant (accessory)
aVG
LON LON BUS, connecting cable for data exchange
with other Vitotronic control units
14
Vitotronic 200-H, HK1B Installation and Service
Main PCB 120 V~
sÖM1 Heating circuit pump
or
Primary pump, primary store system
Circulation pump for DHW tank heating
sA
(accessory)
sK DHW re-circulation pump (on site)
Power supply
fÖ
gÖ Central fault message
gSM1 Mixing valve motor
or
Motor for 3-way mixing valve, primary store
system
Power supply connection for accessories
aBH