Electrical Connections - Viessmann Vitopend 100-W Installation And Service Instructions Manual

Electrical connections

5
D
A Fuse 2.5 A (slow)
B Power supply
C Ionisation cable
Low voltage plug
% Cylinder temperature sensor (if sup-
plied)
Power supply (on-site)
Danger
Incorrect core allocation can
result in serious injury and dam-
age to the appliance.
Never interchange cores "L" and
"N".
C
GAS PUMP FAN
D Potentiometer
E Accessories power supply (remove
jumper when connecting)
Plug 230 V~
sÖ Circulation pump (internal connec-
tion)
dG Gas solenoid valve (internal con-
nection)
a-Ö Flue gas fan (internal connection)
■ Install a circuit breaker in the power
supply line that simultaneously iso-
lates all non-earthed conductors from
the mains with at least 3 mm contact
separation.
■ Wire the power supply with a neutral
conductor.
Installation sequence
B A
LN1 LN
?
E
13