Inserting Cables/Leads And Applying Strain Relief; Connecting The Sensors; Fitting And Connecting An Outside Temperature Sensor - Viessmann VITOTRONIC 200 Installation And Service Instructions Manual

Electrical connections
Overview of electrical connections
Plug
fA
lH
X12

Inserting cables/leads and applying strain relief

Blank off unnecessary apertures in the lower part of
the control unit with cable grommets (not cut out).
Cable with cast-on cable entry
2.

Connecting the sensors

Low voltage connections at the PCB (see page 15)
Plug
!
§
%
)
aG

Fitting and connecting an outside temperature sensor

Fitting location for outside temperature sensor
■ North or north-westerly wall, 2 to 2.5 m above
ground level; in multi storey buildings, in the upper
half of the second floor.
■ Not above windows, doors or ventilation outlets.
Not immediately below balconies or gutters.
■
Never render over.
■
16
(cont.)
Component
Burner
Power supply for accessories
External burner start, stage 1
3.
1.
Component
Outside temperature sensor/radio clock receiver (accessories)
Boiler water temperature sensor
Cylinder temperature sensor
Buffer temperature sensor (accessories)
Flue gas temperature sensor (accessories)
Cable without cast-on cable entry
1.
2.
Outside temperature sensor connection
2-core lead, length up to 35 m with a cross-section of
2
1.5 mm