ENGLISH
WWW.STIEBEL-ELTRON.COM WPL 10 ACS | 11
INSTALLATION
MOUNTING
26�03�01�1550
Remove the transport locks (threaded rods) from the
compressor.
1
26�03�01�1759
1 Sound insulation
Position the cover on the appliance.
Secure the cover with the four screws.
10.2 Heating water connection
The heat pump heating system must be installed by a qualified
contractor in accordance with the water installation drawings that
are part of the technical documents.
Thoroughly flush the pipework before connecting the heat
pump. Foreign matter, such as welding pearls, rust, sand
or sealant will impair the operational reliability of the heat
pump and can result in the heat pump condenser becoming
blocked.
10.3 Flow and return connection
!
Damage to the appliance and the environment
Insulate the heating flow and return lines with vapour
diffusion-proof material.
Fit an anti-vibration mount at least 1 m long to the connectors.
Structure-borne noise is substantially prevented by the anti-vibra-
tion construction of the heat pump and by the flexible pressure
hoses, which act as anti-vibration mounts.
Take the position of the heating flow and return from the fol-
lowing figure:
26�03�01�1552
1
2
1 Heating circuit flow
2 Heating circuit return
Connect the heat pump to the heating circuit. Check for
tightness.
10.4 Oxygen diffusion
!
Damage to the appliance and the environment
In underfloor heating systems, avoid open heating sys-
tems or the installation of steel pipes in conjunction with
plastic pipes that are permeable to oxygen.
Steel components, such as radiators and pipes, can corrode if
plastic underfloor heating system pipes, which are permeable to
oxygen, are used.
The products of corrosion, e.g. rusty sludge, can settle inside the
heat pump condenser and result in a lower output by reducing
the cross-section, or in a shutdown being activated by the high
pressure limiter.
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