3 connecting exhaust to air vent – INFICON Sensistor ILS500 Leak Detection System User Manual
Page 29

Setup
29
ninb63e1-f (1410)
6.3.3
Connecting Exhaust to Air Vent
Exhaust Recommendation
•
The exhaust gas should be directed out of the building.
It is best placed on the roof of the building, far away from the fresh air intake of the
test station.
•
It is recommend that a dedicated duct is installed. Install an electric duct fan and an
optional wind extractor.
•
It is not recommended to use the general ventilation system to ventilate the exhaust.
If the ventilation system is equipped with energy recirculation there is a big risk that
large amounts of tracer gas will be carried back to the test room thus disturbing the
testing.
1
ILS500
2
Exhaust Hose
3
Bleed Air
2
3
1
Max 10 m (30 ft.)
Ø
≥
25 mm (1 in.)
Ø
≥
100 mm (4 in.)
Min 2 m (6.5 ft.)
Notice
Inadequate exhaust installation is the most common reason for problems
with tracer gas leak testing.
Too narrow or too long exhaust line will result in reduced evacuation
capacity and thereby increased cycle time.
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