Legrand WKD Pro Series Modular Afterset - Manual (Page 5)

PRESET INSERT INSTALLATION DETAILS
To Field Installed Presets:
1. Be certain correct preset height is selected.
2. Position preset so that hooks on bottom of preset drop into openings on duct.
3. Push down evenly and slide forward. Knockout tab should snap into opening.
To Remove Mudcap:
1. Strike a 1/4" flat blade screwdriver along the side of the mudcap to deflect the top edge.
2. Use a screwdriver to pry out mudcap.
To Install Alignment Plates:
1. Install plates at first set of presets on each length of duct before securing supports and couplings.
2. All presets must be aligned within 1/8" [3.2mm].
S P PRESET CUBIC
SYSTEM PRESET CATALOG INCHES
DEPTH HEIGHT NUMBER VOLUME
2 1/4" [57mm] 7/8" [22.2mm] 419-1 13.7
2 3/4" [70mm] 1 3/8" [34.0mm] 419-11/2 22.6
3 1/4" [83mm] 1 7/8" [47.0mm] 419-2 31.2
3 3/4" [95mm] 2 3/8" [61.0mm] 419-21/2 39.8
4 1/4" [73mm] 2 7/8" [73.0mm] 419-3 48.3
S P PRESET CUBIC
SYSTEM PRESET CATALOG INCHES
DEPTH HEIGHT NUMBER VOLUME
2 1/2" [64mm] 7/8" [22.2mm] 419-1 13.7
3" [76mm] 1 3/8" [34.0mm] 419-11/2 22.6
3 1/2" [89mm] 1 7/8" [47.0mm] 419-2 31.2
4" [102mm] 2 3/8" [61.0mm] 419-21/2 39.8
4 1/2" [115mm] 2 7/8" [73.0mm] 419-3 48.3
#2 DUCT SYSTEMS ONLY #4 DUCT SYSTEMS ONLY
Galvanized Steel
Mudcap
Pry Out Here
Die Cast Preset
(See Chart)
NOTE: Three Duct Systems are Similar.
Alignment Plate
3.3 Sq. In. 8.5 Sq. In.
P
S
1 1/2"
[38mm]
1/8" [3.2mm] Concrete over Preset
1 11/16"
[43mm]
Galvanized Steel
Mudcap
Pry Out Here
Die Cast Preset
(See Chart)
NOTE: Important!
Tighten Bonding
Screw when Preset
is activated.
3.3 Sq. In.
1/8" [3.2mm] Concrete over Preset
P
S
1 1/4"
[32mm]
Add 1/4" [6.4mm] to System when
using both #2 and #4 Duct.
Minimum 1 1/2" [38mm] Concrete
required below duct or solid surface.