Electrical connections
13
Sensors
Outdoor temperature sensor
The outdoor temperature sensor should
be mounted 6.6 to 8.2 ft./2 to 2.5 m
above ground on the north or
northwest wall of the building and for
buildings with multiple floors, in the
upper part of the second floor.
The sensor must not be placed above
windows, doors, air vents or
immediately underneath a balcony or
drainage pipes.
The outdoor temperature sensor must
not be plastered or painted over. If
mounting on an unplastered wall, allow
room for plaster or remove sensor
before plastering wall.
1.
Remove sensor housing.
2.
Secure wall-mount base to wall (cable
inlet opening to the bottom).
3.
Pass cabling through openings in the
electrical connection section and the
supplied cable bushing.
Do not run cable next to line voltage
cables.
4.
Connect cable wires to terminal.
Cable: max. 115 ft./35 m long, AWG
copper.
5.
Mount outdoor temperature sensor
housing.
6.
Connect the cable wires from the
outdoor temperature sensor to
terminals ”1” and ”2” on plug
(the
wires are interchangeable).
7.
Insert plug
into socket ”1” and
apply strain relief to the cable.
Outdoor temperature sensor
5
3
0
3
2
6
9
v
1
.3
2.
5.
1.
4.
3.
IMPORTANT
IMPORTANT
Summary of Contents for Vitotronic 300 KW3
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