Nibe VPA 300 User's And Installer's Manual page 16

Electrical installation
NOTE
Electrical installation and service must be carried
out under the supervision of a qualified electri-
cian, and in accordance with applicable electrical
safety regulations.
VPA 300/200 can be supplemented with an immersion
heater with a maximum output of 3 kW.
The immersion heater is supplemented with junction
box type K11 (2-pole thermostat, 3-pole temperature
limiter). Do not modify or reconnect!
A separate supply from group central is routed to the
immersion heater.
Sensors
VPA 300/200 can be supplemented with one hot water
sensor, for display and control. The sensor is positioned
in the pocket tube for the sensor (UA1).
Use the sensors provided with the heat pump/control
module. When no heat sensors have been provided these
must be ordered from the manufacturer of the heat
pump/ control module.
16 Chapter 3 | For the Installer
Temperatur limiter
Power supply to temperature limiter (FQ10) is 230 V.
Connect temperature limiter electrically to the solenoid
valve for the heat source.
Put the sensor in the pocket tube (UA2).
Connection temperature limiter
Supply cable
230 V
NOTE
The water heater must be completely filled with
water before it is connected on the electrical
side.
K
E
L
Temp. limiter
Terminal block
Cable from
solenoid valve
VPA 300/200