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• At this point, the unit should still be in its lowest elevation position, if not, please lower it to the lowest
position to properly size the flexible ducts to the facility connection.
• Locate the (2) 8” (20.32cm) diameter flexible vent ducts and (4) hose clamps shipped with the unit. These
are typically shipped in the knee space on the skid. Otherwise check in the sink.
• Slide the vent duct and clamp over the duct stubs on the top of the unit.
• Connect the opposing end to the facility vent stubs. With the unit still in its lowest elevation, the excess
flexible duct may be trimmed to fit. This will optimize flow performance throughout the elevation range by
reducing the chance of any bunching or kinking due to excess material.
• Tighten all hose clamps on the ducts.
3.1.9 Recirculating Ventilation (if equipped)
• No external ductwork is connected if the unit is equipped with a recirculating ventilation unit. The unit will
have a flat top and exhaust out the grill at the top of the unit.
• Potassium Permanganate Recirculation filters are loaded into the front grill. Check that all packaging and
wrap are removed from filters before use.
• Be sure to set your filter timer (REF 6.1.4) when installing new filters (REF 7.1.1).
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