EFCO WV410 - Manual (Page 5)

EFCO CORPORATION 2/2014 PART NO. Y007 Page 5 of 21
WV410 WINDOW - INSTALLATION INSTRUCTIONS
Section IV – Size Formulas
A. Window and Glass Size Formulas
There are three (3) different configurations of the WV410 window system. Each of the
configurations will determine the horizontal dimensions of the glass and individual units.
Note: The storefront D.L.O. horizontal and vertical dimensions must be known to calculate the
sizes. Glass and window size formulas for the WV410 units are provided below for each
configuration. Refer to the information given that corresponds with the appropriate configuration.
RIBBON RUN VENTS
D.L.O. WIDTH
STOREFRONT
ST
OR
EF
R
O
NT
D.L.O
. HE
IG
H
T
DUAL VENTS SINGLE VENT
D.L.O. WIDTH
STOREFRONT
D.L.O. WIDTH
A B
STOREFRONT
C
Configuration “A”
Window Width = Storefront D.L.O. Width – 3/8”
Window Height = Storefront D.L.O. Height – 3/8”
Configuration “B”
Window Width = (Storefront D.L.O. Width – 1 3/8”)
2
Window Height = Storefront D.L.O. Height – 3/8”
Configuration “C”
Window Width = ( Storefront D.L.O. Width – 3/8”) – (Number of Intermediate Mullions x 1”)
Number of Windows
Window Height = Storefront D.L.O. – 3/8”
Standard Glazing
Glass Size Formula
Configurations “A”, “B”, & “C”
Glass width = Window width – 1 1/2”
Glass height = Window height – 1 1/2”
Structural Glazed
Glass Size Formula
Configuration “A”, “B”, & “C”
Glass width = Window Width – 1 1/2”
Glass Height = Window Height – 1 1/2”
* Drawings on this page are not to scale.