Nibe FIGHTER 120, Installation And Maintenance Instructions Manual

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13 NIBE FIGHTER 120
For the Installer
Installation
Electrical connections
All electrical equipment is connected at the factory.
Installation must be carried out in accordance with cur-
rent norms and directives.
The heat pump is connected to an earthed socket with
the factory installed power cord that is supplied with
connection plug. 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 the heat pump before insulation testing the
house wiring.
Sensor connection
Q
Connected the enclosed sensors to the round sleeves
that are hanging on the reverse of the air treatment
section. If the sensor cables have to be lengthened,
a two-wire cable with an area of at least 0,5 mm
2
should be used.
Q
Place the sensor marked ”Top sensor 1” in sub-
merged tube (87) and the sensor marked ”Bottom
sensor 2” in submerged tube (88) in the hot water
heater.
LEK
73
88
87
96
75 74
LEK
”Top sensor 1” ”Bottom sensor 2”
The heat pump’s switch(8) must
not be moved to position 1 until
the water heater has been filled.
Otherwise there is a risk of damag-
ing the heat pump’s components.
NOTE!
Circulation pump connection
Install the supplied circulation pump close to the heater,
as low as possible. Connect the pump in the supplied
connector (105), which is connected to FIGHTER 120.
The connector must be installed in close proximity to
FIGHTER 120. Connect according to the colour codes on
the conductors at the respective cable.