CaptiveAire DW - Table of Contents

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Table of Contents
WARRANTY ................................................................................................................................................4
LISTINGS ....................................................................................................................................................5
CLASSIFICATIONS .....................................................................................................................................5
APPLICATION .............................................................................................................................................6
Grease Ducts ........................................................................................................................................6
Chimneys ..............................................................................................................................................7
Clearances ............................................................................................................................................8
MECHANICAL ...........................................................................................................................................10
Joint Sealant ....................................................................................................................................... 10
Grease Duct and Chimney Joint Assembly .........................................................................................11
Double Wall Adjustable Duct, Chimney and Transition Plate .............................................................12
Double Wall Adjustable Duct, Chimney Standard Installation .............................................................14
Double Wall Offset Distance ............................................................................................................... 16
Factory and Field (Bolted and Welded) Risers ...................................................................................17
Duct Drains .........................................................................................................................................19
Manifold Tee .......................................................................................................................................19
Access Door (Tee Cap) Assembly ......................................................................................................20
Transition Plate ...................................................................................................................................21
Chimney Adapter Plate ....................................................................................................................... 22
Prevention of Grease Accumulation in Horizontal Grease Duct ......................................................... 23
Alignment & Bracing of Grease Duct ..................................................................................................23
Double Wall Horizontal Support and Support Spacing ....................................................................... 23
Vertical Support & Vertical Support Spacing .......................................................................................25
Double Wall Vertical Support (Wood, Steel, Concrete) .......................................................................29
Double Wall Vertical Ceiling Support ..................................................................................................32
Double Wall Vertical Floor Support (Wood, Concrete, Steel) .............................................................33
Vertical Support Floor and Curb ..........................................................................................................37
Through Penetration and Fire Stops ...................................................................................................38
Annular Distance – Fire Stop ..............................................................................................................39
Annular Distance – 2R Type HT Clearance ......................................................................................
..39
Floor and Ceiling Fire Stop Installation ...............................................................................................41
Wall Fire Stop Installation ................................................................................................................... 42
Grease Duct Assembly .......................................................................................................................43
Chimney Assembly .............................................................................................................................46
Methods Used to Test Duct After Assembly .......................................................................................49
Method 1 – Light Test per IMC 506.3.2.5 ............................................................................... 49
Method 2 – Smoke Test .........................................................................................................49
Method 3 – Pressure Testing per SMACNA’s HVAC Air Duct Leakage ................................49
GENERAL DUCT WEIGHTS .....................................................................................................................50
CLEANING & MAINTENANCE RECORD .................................................................................................52