Electrical Connection - Nibe VST 05 Montageanweisung

GB
Function
During hot water demand the charge flow is guided
to the hot water accumulator using the reversing valve
(QN10). In other cases the charge flow is controlled
through the remaining parts of the system, for example
the heating system.
Mounting
The reversing valve (QN10) is always installed between
the heat source and the hot water accumulator/rest of
the system. In the starting mode, without control volt­
age, the reversing valve must be open to the rest of the
system. When control voltage is applied the reversing
valve opens to the hot water accumulator.
Installing the valve motor
Secure the valve motor (A) with a preinstalled
1.
spring on the valve. See image below.
Press the valve motor down until a click is heard.
2.
The motor is then locked to the valve.
Dismantling
Pull out the spring (B) and remove the components.
■
See image below.
4

Electrical connection

NOTE!
Electrical installation and service must
be carried out under the supervision of a
qualified electrician. Cut the current with
the circuit breaker before carrying out
any servicing. Electrical installation and
wiring must be carried out in accordance
with the stipulations in force.
The valve motor is connected according to the following
diagram.
A
For more information about electrical connections, see
relevant Installation manual/Assembly and maintenance
instructions for the system the reversing valve is to be
connected to.
B
VST 05
Brown
M Blue
~
1
Black
L
NEUTRAL
Control phase