Cold and hot water
Connecting cold and hot water
There must be a mixing valve if the temperature can ex-
ceed 60 °C.
Connecting hot water circulation
HA - WH5 FS
200 & 300 hav
e
a
connection
that
allows
hot
water
circulation.
To reduce the risk of bacterial growth in systems with
hot water circulation, the temperature of the circulating
water should not fall below 50 °C. There should not be
any non-circulatory hot water pipes. Adjust the hot water
system so that the temperature does not fall below 50°C
at the ends of the system.
Docking
HA - WH5 FS
200 & 300 can
be
connected
in
several
different
ways,
one
of
which
is
shown
here.
Further
option
information
is
available
at
www.nibe.
eu
and
in
the
respective
assembly
instructions
for
the
heat
pumps
used.
Chapter 4 |
Pipe connections
13
Symbol key
Meaning
Symbol
Venting valve
valve
Non-return valve
Mixing valve
Safety valve
Drain off
Temperature sensor
Circulation pump
Particle
Motorized valve
Inlet
valve
s according to local legislation
/ Three way valve