Nibe Fighter 1210 Installation And Maintenance Instructions Manual Download Page 16

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Pipe connections

FIGHTER 1210

For the Installer

Factors to be taken into account when designing the
collector layout are geographical position, type of
rock/soil and cover factor of the heat pump.
When installing the collector hose ensure it rises con-
stantly towards the heat pump to avoid air pockets. If
this is not possible, install high points to vent the air.
All collector pipes in heated rooms must be insulated
against condensation. The level vessel (NK) must be
installed as the highest point in the collector system
and on the incoming pipe before the brine pump. Note
that condensation may drip from the level vessel.
Position the vessel so that this does not harm other
equipment.
As the temperature of collector system can fall below
0 °C it must be protected against freezing down to
-15 °C. One litre of ready mixed brine per meter of col-
lector hose (applies when using PEM-hose 40 x 2.4
PN 6.3) is used as a guide value when making the
volume calculation.
Details of the antifreeze used must be shown on the
level vessel.
The collector circuit may be connected from the left or
from the right. The lower side panels are swapped
over to suit the chosen connection option. The
enclosed connecting pipes for the brine, are secured
using the clips in the punched tabs that are folded
down on the side in question.
Shut-off valves should be installed as close to the
heat pump as possible. Fit the supplied particle filter
on the incoming pipe.
In the case of connection to an open groundwater
system, an intermediate frost-protected circuit must
be provided, because of the risk of dirt and freezing in
the evaporator. This requires an additional heat
exchanger.

Pipe installation must be carried out in accordance
with current norms and directives. The heat pump can
only operate up to a return temperature of about 50 °C
and an outgoing temperature of about 60 °C from the
heat pump. Since the FIGHTER 1210 is not fitted with
shut-off valves, these must be fitted outside of the
heat pump to make future servicing easier.

During assembly of FLM 30 the pipes for the heat
medium and water heater and possibly hot water cir-
culation are routed backwards. The distance between
FIGHTER 1210 and the wall ought to be 50 mm.

General

Pipe connections for the heat medium side are made
at the top. All required safety devices, shut-off valves
(as close to the heat pump as possible), and particle
filter (supplied) are fitted.

When connecting to a system with thermostats on all
radiators, a relief valve must be fitted, or some of the
thermostats must be removed to ensure sufficient
flow.

Pipe connections (heating

medium)

Pipe connections (collector)

The water heater must be fitted with the necessary
valve equipment.
The heat pump should be supplemented with an elec-
tric water heater if a bubble pool or other significant
consumer of hot water is installed.

Pipe connections (water heater)

Level vessel

Particle filter

SÄV

Safety valve

Köldb in

Köldb ut

EXP

Cirk.pump

Värmepump

Varmvatten

Tillsatsvärme