FloAire Non-Welded Grease Duct Systems - Manual (Page 2)

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TABLE OF CONTENTS
WARRANTY ............................................................................................................................................ 3
LISTINGS ................................................................................................................................................ 4
APPLICATION ......................................................................................................................................... 4
MECHANICAL ......................................................................................................................................... 5
Joint Sealant ....................................................................................................................................... 5
Sealant Features ............................................................................................................................. 5
Table 1 – Sealant Usage Chart ....................................................................................................... 5
Grease Duct Standard Connection ...................................................................................................... 6
Fig.1 – Joint Assembly .................................................................................................................... 6
Collar & Adjustable Duct Connections ................................................................................................. 7
Fig. 2 – Adjustable Duct Overlap ..................................................................................................... 7
Collar & Adjustable Duct Vertical Installation ........................................................................................ 7
Table 2 – Minimum Overlap ............................................................................................................. 7
Fig. 2a – Adjustable Duct Overlap ................................................................................................... 7
Fig. 2b – Collar & Adjustable Duct Installation.................................................................................. 8
Risers – Factory & Field (Bolted & Welded) Risers .............................................................................. 8
Fig. 3 – Field Installed Riser - Bolted ............................................................................................... 9
Fig. 4 – Duct Drain .......................................................................................................................... 9
Duct Drains ......................................................................................................................................... 9
Grease Manifold Tee ........................................................................................................................... 9
Fig. 5 - Grease Manifold Tee Position .............................................................................................. 9
Access Door (Tee Cap) Assembly ..................................................................................................... 10
Fig. 6 – Access Door Assembly ..................................................................................................... 10
Fan Adapter Plate ............................................................................................................................. 11
Fig. 7 – Fan Adapter Plate ............................................................................................................. 11
Prevention of Grease Accumulation in Horizontal Grease Duct .......................................................... 11
Alignment & Bracing of Grease Duct .................................................................................................. 11
Table 3 – Horizontal Support Spacing ........................................................................................... 11
Horizontal Support & Support Spacing .......................................................................................... 11
Fig. 8 – Horizontal Support Details ................................................................................................ 12
Wall Guide Support & Support Vertical Spacing ............................................................................. 12
Table 4 – Vertical Support Spacing................................................................................................ 12
Fig. 9 – Vertical Support Details .................................................................................................... 13
Grease Duct Assembly Examples ...................................................................................................... 14
Fig. 10 - Grease Duct Installation Guide ........................................................................................ 14
Fig. 11 - Grease Duct Installation Guide ........................................................................................ 15
Fig. 12 - Grease Duct Installation Guide ........................................................................................ 16
CLEARANCES ...................................................................................................................................... 17
Table 5 – Clearance – Grease Duct ................................................................................................... 17
Zero Clearances to Combustibles ...................................................................................................... 18
METHODS USED TO TEST DUCT AFTER ASSEMBLY ....................................................................... 18
Method 1 – Light Test per IMC 506.3.3.1 ........................................................................................... 18
Method 2 – Smoke Test .................................................................................................................... 18
GENERAL DUCT WEIGHT ................................................................................................................... 18
Formula 1 – 20 Gauge Duct............................................................................................................... 18
Formula 2 – 18 Gauge Duct............................................................................................................... 18
NOTES .................................................................................................................................................. 19
CLEANING & MAINTENANCE RECORD .............................................................................................. 20