Factory Direct Hardware Von Duprin 2227EOF4 - Manual (Page 13)

911334_00(7) Page 13 of 16
LHR
TEMPLATE #1 (LHR)
2227/2227-F Device
Refer to Step #2 when
using this template
Template to scale
of device CL
2-3/16” backset
7/8” dia., inside,
for K, L, and TP
trim only
5/8”
5/8”
1-11/16”
1-11/16”
For wood fire doors with metal
edge, increase backset so device
center case clears metal edge.
NOTE
!
Mounting holes,
4 places,
see schedule below
Mounting Hole Schedule
Surface Mount
Metal Door: #25 drill and #10-24 tap, inside
Wood Door: 1/8” dia. drill x 1” deep (pilot hole)
Outside Trim
Metal Door: 1/4” dia. drill, inside
Wood Door: 13/32” dia. drill, thru
Sex Bolts
Metal Door: 1/4” dia. drill, inside, and
13/32” dia. drill, outside
Wood Door: 13/32” dia drill, thru
To edge of LHR
door (if edge of
door is beveled,
measure from high
edge of bevel)
of device
CL