Viessmann VITODENS 200-W Installation Instructions Manual page 14

Electrical connections
230 V~ plugs
sÖ Boiler circuit pump
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 that simultaneously
isolates all non-earthed conduc-
tors 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 connection of
accessories to the power supply
must not be carried out at the
control unit. The power supply
connection for accessories can
be made immediately at the
control unit, if the boiler is
installed outside wet areas. This
connection is directly controlled
with the system ON/OFF switch
(max. 3 A).
Vitotrol 100
For the connection of the differ-
ent types, see page 14 and the
separate installation instruc-
tions.
14
(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 lead, max. 35 m length
with a cross-section of
1.5 mm
? Flow temperature sensor for low
loss header (supplied with the
heating circuit connection set)
% Cylinder temperature sensor
(part of the DHW cylinder con-
nection set).
Connection to cables with plugs
outside of the control unit.
aVG KM BUS subscriber (acces-
sories)
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