General
All electrical equipment is connected at the factory.
Installation must be carried out in accordance with
current standards and directives.
When working behind screwed covers, the circuit fuse
must be removed or the connection plug pulled out.
Work behind screwed covers may only be carried out
under the supervision of a qualified electrician.
■
Disconnect F110 before insulation testing the house
wiring.
■
For electrical wiring diagram for F110, see page 42.
■
Signal cables to external connections must not be
laid close to high current cables.
■
Signal cables to external connections are four core,
at least 0.35 mm
2
.
■
If the supply cable is damaged, it must be replaced
by qualified persons.
NOTE
The supply cable must not be connected until
the boiler has been filled. Internal components
can be damaged.
NOTE
Electrical installation and service must be car-
ried out under the supervision of a qualified
electrician. Electrical installation and wiring
must be carried out in accordance with the
stipulations in force.
Temperature limiter
The temperature limiter (FD1) cuts the power to the
electric additional heat if the temperature reaches
above 95 °C and is reset manually.
Resetting
The temperature limiter (FD1) can be accessed from
behind the front hatch inside the plastic cover.
1.
Cut the current to the heat pump before starting
work.
2.
Remove the front hatch, see page. 8 for instruc-
tion.
3.
Remove the knob for the thermostat (BT35) and
the plastic cover.
4.
Press the button on the temperature limiter lightly.
Connections
Power connection
NOTE
To prevent interference, unscreened commu-
nication and/or sensor cables to external con-
nections must not be laid closer than 20 cm
from high voltage cables.
F110 is connected to an earthed socket with the factory
installed power cord, which is supplied with connection
plug.
NIBE™ F110Chapter 5 | Electrical connections18
5 Electrical connections
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