Air Ducting, Ventilation Circuit; Optional Outside Air Pre-Filter; Further Information On External Application - Helios AIR1 RH 1500 Montage- Und Betriebsvorschrift

Installation and Operating Instructions
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NOTE
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DANGER
ATTENTION
Central ventilation units AIR1 RH

2 .1 .7 Air ducting, ventilation circuit

When designing the ductwork, use the shortest possible runs. Airtight connections and changeovers must be ensured
for the best possible heat recovery.
Outside and outgoing air pipes are to be insulated in an appropriate way to reduce condensation.
If supply and extract air ductwork runs through unheated rooms, insulation must be provided to reduce heat losses.
All fire protection regulations must be observed!

2 .1 .8 Optional outside air pre-filter

The pre-filter ePM10 50 % (optional) is used to prevent the contamination of the fine filter.
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Danger to life due to electric shock
The unit must be fully isolated from the mains power supply before all maintenance and cleaning work!
Risk due to electric shock, moving parts (fan) and hot surfaces .
1. Remove filter lock (see Fig. 19).
2. Move filter lock as shown below (see Fig. 20).
3. The filter class must be adjusted in the commissioning assistant (see section 2.3).

2 .1 .9 Further information on external application

Risk of material damage!
If the unit is used outdoors, it must be ensured that the necessary equipment has been installed.
Fig .18
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Fig .19
Fig .20