2 x Safety
FA ROTEX HPSU compact (V5) •
9
2.4.3 Working on cooling systems (heat
pump)
The ROTEX HPSU compact requires fluorinated
greenhouse gas for its function.
Ɣ Always wear safety goggles and protective
gloves.
Ɣ When working on the refrigerant circuit,
ensure that the workplace is well ventilated.
Ɣ Never carry out work on the coolant circuit in
closed rooms or work pits.
Ɣ Do not let refrigerant come into contact with
open fire, embers or hot objects.
Ɣ Never allow refrigerant to escape into the
atmosphere (high pressure at the point of the
leak).
Ɣ When removing the service pipes from the
filling connections, never hold the connections
in the direction of your body. Residual refrig-
erant could escape.
Ɣ Components and spare parts must at least
satisfy the technical requirements defined by
the manufacturer.
2.4.4 Site of installation
For safe and fault-free operation, it is necessary
that the installation location of the ROTEX HPSU
compact fulfils certain criteria. Related infor-
mation can be found in chapter 4.2.
Information on the installation site of other com-
ponents can be found in the associated docu-
mentation supplied with them.
2.4.5 Heating system and sanitary
connection
Ɣ Create a heating system according to the
safety requirements of EN 12828.
Ɣ With sanitary connection, you must observe;
– EN 1717 - Protection of domestic water
from contamination in domestic water
installations and general requirements con-
cerning safety equipment for the prevention
of domestic water contamination by back-
flow
– EN 806 - Technical regulations for domes-
tic water installations (TRWI)
– and, in addition, the country-specific legal
regulations.
The connection of a solar installation, an electric
heating rod or an alternative heat generator may
cause the storage temperature to exceed 60 °C.
Ɣ For this reason you should fit scalding
protection (e.g. VTA32 15 60 15 + Screw
connection set 1" 15 60 16).
If the ROTEX HPSU compact is connected to a
heating system with steel pipes, radiators or non-
diffusion-proof floor heating pipes, slurry and
swarf could enter the hot water storage tank and
cause blockages, local overheating or corrosion.
Ɣ To prevent possible damage, fit a dirt filter or
sludge separator into the heating return flow
of the system.
– SAS 1 (
15 60 21)
Ɣ The dirt filter must be cleaned at regular
intervals.
For work on stationary refrigeration
systems (heat pumps) and air condi-
tioning systems, proof of expertise is re-
quired in the European Community ac-
cording to the F-Gases Directive (EC)
No. 303/2008.
– up to 3 kg coolant fill quantity:
Expert certificate category II
– 3 kg coolant fill quantity or over:
Expert certificate category I
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