Installation
Compress Hybrid 7000i AW – 6721833053 (2020/09)
12
5.4 Connecting the indoor unit to the outdoor unit
NOTICE
Residue in the pipework can damage the system.
Solids, metal/plastic filings, flux and thread tape residue and similar
material can get stuck in pumps, valves and heat exchangers.
▶ Keep foreign bodies from entering the pipework.
▶ Do not leave pipe parts and connections directly on the ground.
▶ When deburring, make sure that no residue remains in the pipe.
▶ Before connecting the heat pump and indoor unit, rinse the pipe
system to remove any foreign bodies.
NOTICE
Deformation due to heat!
If the temperature is too high, the insulation material in the indoor unit
deforms.
▶ Do not solder the piping to the indoor unit.
▶ Use clamp couplings to connect the pipes to the outdoor unit if
available.
▶ Size pipework as specified in the installation instructions for the
outdoor unit.
▶ Connect the flow of the outdoor unit to the heat transfer medium
outlet.
▶ Connect return to the outdoor unit to the heat transfer medium inlet.
Fig. 20 Connecting the indoor unit to the outdoor unit (schematic representation)
[1] Flow of the outdoor unit
[2] Return to outdoor unit
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