Specifications
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Page ______ of ______Revised: 3 July, 2013LC994 - 45
TSM Series 60Hz - HFC-410A Submittal Data Eng/I-P
Riser Extension Defi nitions and Sizing
Riser Extension Length: Start with the fl oor to fl oor Dim. (FF) From this
subtract the room riser height and tail piece length. Then add 4" (102) for the
two joint overlaps.
Riser Extension Length = FF - (RRH + RT) + 4" (102).
Riser Tail Piece (RT): Length of riser extending down from the cabinet. Riser tail
piece must extend a minimum of 5" (127) below slab.
Room Riser Height (RRH): Cabinet height + 3" (76).
Floor To Floor Height (FF): Distance from top of unit slab to top of above slab.
Slab thickness (ST); Slab thickness plus and additional material added to slab
prior to setting cabinets.
Special care must be taken in sizing riser lengths and tail piece lengths when:
A) Riser extensions are used.
B) Floor to fl oor heights vary.
C) Slab thickness varies from fl oor to fl oor.
3"(76)
2"
(51)
Room Riser
Height
(RRH)
91 (2311)
Joint Overlap
Riser
Extension
Above Slab
Slab
below
(FF) = 120
(3048)
Swage
“A”
“B”
RT
13 (330)
Notes:
1. Example shown - riser extensions would be
ordered with “A” and assembled between
“A” and “B”.
2. Riser “A” Top and Riser “B” bottom must
be the same diameter. Extensions cannot
transition.
3. Extensions are shipped loose, bulk shipped
to minimize shipping cost.
4. Dimensions are inches (mm).
Example: Cabinet = 88
Floor to fl oor (FF) = 120" (3048)
Room Riser Height (RRH) = 91" (2311)
RT = 13" (330).
Riser Extension: 120" - (13" + 91") + 4" = 20".
3048 - (330 + 2311) + 102 = 508 mm.
Slab
Thickness
FF
RT
RRH
Unit
"B"
Unit
"A"
2"
(51)
Joint Overlap