Viessmann VITODENS 200 Installation Instructions Manual page 12

Electrical connections
B Vitotrol 100 UTD (only for con-
stant temperature control units)
Remove jumper when making this
connection.
C Vitotrol 100 UTA (only for constant
temperature control units)
Remove jumper when making this
connection.
230 V~ plugs
fÖ Power supply
Danger
Incorrect core terminations
can cause severe injuries
and damage to the equip-
ment.
Take care not to inter-
change wires "L1" and "N".
& Install an isolator in the power
supply line which simulta-
neously separates all non-
earthed conductors from the
mains with at least 3 mm contact
separation.
& Max. fuse rating 16 A.
lH
& Power supply accessories (230
V ~ 50 Hz). Where the boiler is
installed in a wet area, the con-
nection of accessories to the
power supply must not be car-
ried out at the control unit. The
power supply connection for
accessories can be made imme-
diately at the control unit, if the
boiler is installed outside wet
areas. This connection is
directly controlled with the sys-
tem ON/OFF switch (max. 3 A).
& Vitotrol 100 UTA
& Vitotrol 100 UTD
12
(cont.)
Low voltage plugs
!
Outside temperature sensor
(only for weather-compensated
control units).
Installation:
& North or north-western 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 balco-
nies or gutters
& Never render over
& 2-core cable, max. 35 m length
with a cross-section of
1.5 mm
?
Flow temperature sensor for low
loss header (accessories)
%
Cylinder temperature sensor
(part of the DHW cylinder con-
nection set).
aVG KM BUS user (accessories)
& Vitotrol 200 or 300 remote con-
trol
& Vitocom 100
& Extension kit for a heating cir-
cuit with mixer
& Vitosolic
& External extension H1 or H2
2