Helios AIR1-CO DX-Serie Montage- Und Betriebsvorschrift Seite 37

Installation and Operating Instructions
ATTENTION
NOTE
CHAPTER 3
SERVICE AND
MAINTENANCE
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DANGER
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WARNING
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NOTE
Change-over-unit AIR1-CO DX
8. Fasten the pipe bend below the condensate tray. Ensure that the pipe is water-tight (see Fig.24).
9. Cooling can produce condensate. The correct condensate connection to the sewage system must be ensured
before commissioning. A siphon is required for this purpose. The condensate must drip freely into the drain after
the siphon. The condensate line leading from the siphon must be fed into the waste water line with a downward
slope, dripping freely.
Ensure condensate outlet is frost-proof if necessary
10. Connect the change-over-unit DX to the flow and return pursuant to local regulations.
27 Commissioning of change-over-unit DX
Commissioning is described in the installation and operating instructions for the AIR1-SM DX control module
( 
art no 20 384)
31 Service and maintenance
Cleaning and maintenance work may only be carried out by an electrician.
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Danger to life
due to electric shock!
The AIR1 unit must be fully isolated from the mains power supply before all maintenance and installation work!
Danger of electric shock, moving parts (fans) and potentially hot surfaces of optional auxiliary heating registers
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Risk of personal injury and material damage!
Internal sheet metal parts have sharp edges and notches that can cause scratches/injuries during installation
and maintenance of the unit and/or accessories
– The installation and maintenance of the unit may only be carried out by qualified specialist personnel.
– Suitable protective equipment must be worn.
32 Cleaning the condensate tray
The condensate tray must be cleaned every 6 months
16
EN
Fig24