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Summary of Contents for AQC QDuct
- Page 1 Installation Instructions...
- Page 2 This document should be printed and readily available at the installation site. QDuct® is a user- friendly system that will save installation time and labor. Installation videos, code documentation and this guide are provided on www.aqcind.com. GENERAL QDuct is the most advanced and innovative pre-insulated exterior HVAC duct system designed for superior AHU energy efficiency and built to endure external applications and other extreme conditions.
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Page 3: Duct Supports
IDENTIFYING QDUCT SECTIONS To ease the installation, each QDuct system is shipped with a project specific drawing and list of material. The drawing is numbered for each part. Each QDuct part is numbered to match the drawing and the list of material. AQC recommends installing QDuct from the unit outward. - Page 4 3/8”. Step 2: • he QDuct is designed for a 3” overlap of the interior and exterior layers for a male-female style connection. • Press and hold the interlocking sections of duct together. Maintain full pressure from both sides until the sealant is visibly seeping out of the joint both externally and internally.
- Page 5 Step 4: • Apply the AQC provided UL 181 tape over the tiger clips and exterior of the duct joint. Center the tape over the duct joint. • Use a squeegee to apply friction to the tape to allow the tape to seal properly to the duct.
- Page 6 CONNECTING QDUCT SECTIONS, CONT. Step 5: • Apply the AQC provided exterior jacketing over the tape, tiger clips and duct joint. • Center the jacketing over the duct joint. • The overlap of the jacketing should be on the bottom or side of the duct. If side, it should overlap facing down to maximize water shedding.
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Page 7: Qduct ® Branch Connection
• Use a flat bar to remove the cut panel from the main trunk line. • All exposed joint openings must be taped using the AQC provided UL 181 tape before making a connection. • Refer to Connecting QDuct® Sections included on pages 3-5 of this document. - Page 8 After a minimum of 24 hours has passed since the last sealed connection was made, the system can be tested to 1” static pressure for 5 minutes. The QDuct Sealant must fully cure (requires 7 days) if a higher static pressure is required.
- Page 9 Apply additional sealant to fill any observed voids. • To secure the QDuct to the roof curb, install a piece of hanger strap around the top of the duct and fasten the hanger strap to the roof curb with screws.
- Page 10 Once QDuct enters the envelope of the building you may want to transition to Pal Duct™. To connect to Pal Duct, use the AQC provided UL181 tape to cover the cut edge of the QDuct system. Use UL181 tape to cover the cut edge of the mating Pal Duct section. Apply a continuous 3/8” bead of QDuct®...
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Page 11: Warranty
Warranty does not cover any QDuct Product that has been installed in a manner not consistent with the QDuct Product instructions. The Limited Warranty set forth above is the only warranty AQC makes for QDuct Products and is in lieu of all warranties express, implied or statutory, including, without limitation, warranties of merchantability, fitness for a particular purpose and infringement, and warranties arising from course of dealing, usage of trade or otherwise.
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