Helios AIR1-CO DX-Serie Montage- Und Betriebsvorschrift Seite 42

Installation and Operating Instructions
EN
Change-over-unit AIR1-CO DX
assembly� Only use the change-over-unit DX if the pressure is correct� Pressure that is too low indicates a
possible leakage�
Assembly area
A: Minimum distance for servicing the change-over-unit DX.
– for ventilation units AIR1 XC
The following criteria must be observed when installing the unit to ensure easy accessibility for maintenance and main-
tenance work (Fig.13).
A
Left version
When using the change-over-unit DX below, the corresponding AIR1 XC unit must be suspended lower from the ceiling
(see table, Fig.14).
H

– for ventilation units AIR1 XHP
When installing the unit, the following criteria must be observed when installing the unit to ensure easy accessibility for
maintenance and maintenance work (Fig.15).
Right version
A
A
Right version
Left version
A
15
Fig�13
Type A (mm)
AIR1-CO DX XC 500 335
AIR1-CO DX XC 700 390
AIR1-CO DX XC 1400 440
490
AIR1-CO DX XC 2200
590
AIR1-CO DX XC 3200
Fig�14
Type H (mm)
AIR1-CO DX XC 700 35
AIR1-CO DX XC 1400 40
Fig�15
Type A (mm)
AIR1-CO DX XHP 750 1060
AIR1-CO DX XHP 1000 1660
AIR1-CO DX XHP 1500 1881
AIR1-CO DX XHP 2500 1865