Carrier 52S Architects And Engineers' Manual

Also see for 52S series: Service technician guide Installation, operating and maintenance instructions Installation, operating and maintenance instructions Installation instructions

Carrier 52S Architects And Engineers' Manual Manual pdf 26 page image

26DIMENSION DRAWINGS AND INSTALLATIONDATA — NEW CONSTRUCTION (cont)NOTES:1. Unit sleeve and sleeve extension (field fabricated) should beconnected before installing in wall opening.2. Sleeve extension is water bearing. It must be watertight wheninstalled against unit sleeve. Use quality grade sealant on allbutting flanges. Attach both sections with bolts and nuts orself-tapping screws installed from unit sleeve to extension. Cutdrain slots in front and rear flanges of extension to line up withdrain openings in unit sleeve.3. Install 2 center baffles inside sleeve extension to prevent recir-culation of outdoor air circuit. These baffles should make atight seal between the outdoor coil and the outdoor grille.4. Leave 3 / 8 -in. roomside projection of extension and 1 / 4 -in.outdoor projection of sleeve. This allows for unit casingclearance to finished wall plus ample edging to apply weathersealant between unit sleeve/extension assembly and wallopening.5. Paint sleeve extension and seal corner and lap joints; clearall drain holes of excess sealant, paint, etc., to permit freedrainage.6. Install quality flashing under unit sleeve and extension usingquality sealant between flashing and wall.7. Install unit casing/extension assembly following standardpractices. Seal assembly to wall on all 4 sides, indoors andoutdoors.8. Make provision for a condensate drain extension tube for rout-ing excess condensate from the wall sleeve through the sleeveextension to the building exterior.9. Attach grille to the outside of the sleeve extension (using field-supplied fasteners).10. Seal any gaps between grille and sleeve extension on allsides.Wall Sleeve and Sleeve Extension (All Models; Field Fabricated)Typical Curtain Wall Installation (All Models)