Nibe FIGHTER 2010 Series, Installation And Maintenance Instructions Manual, Page: 15 / 36

Electrical connection 13
For the Installer
FIGHTER 2010
R
LEK
9
30
NOTE!
Electrical installation and service must
be carried out under the supervision of
a qualified electrician in accordance
with the stipulations in force.
NOTE!
The live external control must be taken
into consideration when connecting.
The routing of cables for heavy current and signals
should be made out through the cable glands on the
heat pump's left-hand side, seen from the front.
The terminal block (9) for the incoming supply is
accessed by removing the 6 screws on the plastic cover
and the 3 screws (TORX 20) on the electrical box.
■
A heat pump must not be connected without the per-
mission of the electricity supplier and must be con-
nected under the supervision of a qualified electri-
cian.
■
If a miniature circuit breaker is used this should have
a motor characteristic “D” (compressor operation).
For MCB size see Technical Specifications.
■
The FIGHTER 2010 does not include an isolator
switch on the incoming electrical supply. The instal-
lation must be preceded by a circuit-breaker with at
least a 3 mm breaking gap.
■
If an insulation test is to be carried out in the buil-
ding, disconnect the heat pump.
■
Connect the heat pump to the terminal strip (9), 400
V 3-phase, n earth via a distribution board
with fuses.
■
The signal cable for the thermostats is connected to
terminal (30) on the relay card (29). Cable type:
unscreened LiYY, screened LiYCY. Cable area, at
least 0.22 mm
2 with cable lengths less than 50 m.
Alternatively the relevant signal cable is connected
from terminal (44) on the control card (34) to SMO10
or VVM 240.
■
The circulation pump for FIGHTER 2010 is connec-
ted to a separate supply or on terminal block (11).
NOTE! There is a risk of freezing when the circu-
lation pump is connected to the terminal block
(11) and FIGHTER 2010 is deenergized.
■
A common alarm can be connected to terminal
(11).
Connection
Electrical installation
9
komm a nde m a tning 3 x 400 V
L2 L 3 N L1
11
Re1
X29
4
X29
5
N
X29
6
29
3 4 1 2 5 6
LEK
29
30
34
11
44
13
9
Circulation pump (accessory)
Common alarm
Incoming electrical supply