Efco WV410 User Manual download pdf (Page 6)

EFCO CORPORATION 2/2014 PART NO. Y007 Page 6 of 21

WV410 WINDOW - INSTALLATION INSTRUCTIONS

Section IV- Size Formulas

B. Egress Formulas

Egress openings must be figured based on the clear opening after the vent is opened to the 90

degree position. See the figures and equations below for window sizes at the egress opening.

Use standard window sizing requirements as shown on Page 5 once the egress has been used to

determine the storefront D.L.O. size.

Egress Windows must use LA01 Arms Only!

STOREFRONT D.L.O.

EGRESS OPENING =

STOREFRONT D.L.O. - 3 3/8"

STOREFONT

D.L.O.

EGRESS OPENING =

STOREFRONT D.L.O. - 8 3/8"

Storefront D.L.O. width – 8 3/8” = 90 degree clear opening width

Storefront D.L.O. height – 3 3/8” = Egress clear opening height

* Drawings on this page are not to scale.

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Efco WV410 User Manual Page 6