Installing ARK-1
NOTICE!
Risk of damage due to incorrect use.
Do not use the ARK-1 non-return damper in
external walls or as an exhaust air or fresh air
damper.
Fig. 8: Horizontal airflow
Fig. 9: Vertical airflow
Fig. 10: Wall installation without installation sub-
frame (ARK-1 shown)
①
Blade movement area must be kept clear
Fig. 11: Duct installation (ARK-1 shown)
①
Blade movement area must be kept clear
Installation
Non-return dampers Types UL, KUL, WG-KUL, ARK, ARK-1
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