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RTC 13e - www.regulus.eu
4.5. Pipe connection
The hydraulic connection of the heat pump may only be carried out by a qualified specialist.
The horizontal sections of the
connecting pipe shall always be routed
so that they can be air bled. Pipes
laid in the exterior of the building shall
be provided with thermal insulation
resistant to moisture with a minimum
thickness of 19 mm. Indoors the piping
shall be provided with insulation at
least 13 mm thick. For cooling, it is
necessary to use special pipe insulation
that prevents condensation on the pipe
surface.
In the case of cooling into the
underfloor system, condensation
can occur on the floor if too low
temperatures are used (or in too
humid environment). Therefore,
consult experts in this case to avoid
damage to the property.
Compensators (included in supply) shall be fitted to the heat pump connecting pipes (G 1“ M)
to increase the frost protection of the plate heat exchanger of the heat pump.
To limit the transmission of vibrations to the house structure, it is recommended to connect
the heat pump using braided diffusion-tight hoses of suitable length in such a way that they
run loose in a slight bend. Hoses are included in the delivery only for heat pumps supplied
as a Special Offer, otherwise they must be ordered separately. Braided diffusion-tight hoses
with F/F or M/F threads for RTC 13e heat pumps can be ordered in lengths of 300, 500, 700
and 1000 mm. When installing compensators and braided hoses, follow the instructions in the
separate Installation Manuals that will come with these products.
Continue after the braided hose with copper, stainless steel or other pipes of suitable size.
The appropriate dimension of the pipe is prescribed by the heating designer, the dimension
specified by him is binding and must be observed during installation. Below are only indicative
recommended pipe dimensions:
Distance
(total length of piping)
< 30 m
30 - 40 m
> 40 m
Indicative recommended
pipe diameter
Cu 28x1.5 (DN25) Cu 35x1.5 (DN32) Calculation needed
For the correct operation of the device, it is necessary to keep the minimum flow through the
heat pump at the level of
min. 1100 l/h.
In heating systems, use treated water that is properly filtered and free of all impurities.
In particular, it is important that the heating water does not contain more than 300 ppm
of chlorides and that the pH value is between 6 and 8.
Make sure that the filter with magnet is installed.
Avoid using zinc-plated parts that can cause excessive corrosion of the system.
413
flow,
hot out
return,
cold in
condensate drain
