Aircommand Sparrow Mk4 Instrukcja obsługi - Strona 8
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8. Attach Duct to Unit
• Raise the brace assembly and slip the black
plastic duct over the outside of the fan
outlet underneath the rooftop unit. Ensure
that the notch cut in the plastic ductwork
aligns with the fans power cable (Fig 12).
When attaching the duct to the unit take
care to ensure it forms a tight, unbroken seal
that doesn't allow cold air to escape.
• Engage and tighten the four M8 bolts with
the threaded inserts in the rooftop unit.
• Recommended tightening torque of the
bolts is 7 N.m (5.2 lbf-ft).
• As the bolts are tightened ensure that the
hold down bars slot into their recesses in
the brace (Fig 11).
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Fig 11: Raise the duct assembly up to the roof hole, ensuring the black plastic
duct work forms a tight fi t around the evaporator fan underneath the unit.
Then engage the four M8 bolts, taking care to ensure the hold down bars
slot into their recesses.
Fig 12: Highlights how the notch on the plastic duct slots over the wire from
the inside fan.